diff --git a/.github/workflows/lint_and_test_collector.yml b/.github/workflows/lint_and_test_collector.yml new file mode 100644 index 0000000000..63909e0ae4 --- /dev/null +++ b/.github/workflows/lint_and_test_collector.yml @@ -0,0 +1,72 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. +--- +# workflow name +name: Golang Lint and Unit Test - collector + +# on events +on: + # run on each pull request + pull_request: + types: [ synchronize, reopened, opened ] + branches: + - master + - 'v[0-9]+.*' # release branch + - ci-test # testing branch for github action + - '*dev' + paths: + - collector/** + + # for manually triggering workflow + workflow_dispatch: + +# workflow tasks +jobs: + lint: + name: Lint + runs-on: ubuntu-20.04 + steps: + - name: Checkout + uses: actions/checkout@v3 + with: + fetch-depth: 1 + - name: Set up Go + uses: actions/setup-go@v4 + with: + go-version: 1.14 + cache: false + - name: Lint + uses: golangci/golangci-lint-action@v3 + with: + version: v1.29 + working-directory: ./collector + + build: + name: Build + runs-on: ubuntu-20.04 + steps: + - name: Checkout + uses: actions/checkout@v3 + with: + fetch-depth: 1 + - name: Set up Go + uses: actions/setup-go@v2 + with: + go-version: 1.14 + - name: Build + working-directory: ./collector + run: make diff --git a/.github/workflows/module_labeler_conf.yml b/.github/workflows/module_labeler_conf.yml index d5648edf96..ad23e4bf08 100644 --- a/.github/workflows/module_labeler_conf.yml +++ b/.github/workflows/module_labeler_conf.yml @@ -19,6 +19,8 @@ github: - .github/**/* admin-cli: - admin-cli/**/* +collector: + - collector/**/* docker: - docker/**/* go-client: diff --git a/.gitignore b/.gitignore index 2bfd1ed34d..a3f73b6488 100644 --- a/.gitignore +++ b/.gitignore @@ -271,3 +271,6 @@ thirdparty/output/ #macOS .DS_Store + +#collector +collector/collector diff --git a/collector/Makefile b/collector/Makefile new file mode 100644 index 0000000000..7fab99e04e --- /dev/null +++ b/collector/Makefile @@ -0,0 +1,24 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +build: + go mod tidy + go mod verify + go build -o collector + +fmt: + go fmt ./... diff --git a/collector/README.md b/collector/README.md new file mode 100644 index 0000000000..7f8b09ac2d --- /dev/null +++ b/collector/README.md @@ -0,0 +1,28 @@ + + +# Pegasus Collector + +[中文文档] + +Collector is a part of the Pegasus ecosystem that serves as: + +1. the service availability detector +2. the hotkey detector +3. the capacity units recorder diff --git a/collector/aggregate/aggregatable.go b/collector/aggregate/aggregatable.go new file mode 100644 index 0000000000..7ff8c5fb3a --- /dev/null +++ b/collector/aggregate/aggregatable.go @@ -0,0 +1,92 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +var v1Tov2MetricsConversion = map[string]string{ + "replica*app.pegasus*get_qps": "get_qps", + "replica*app.pegasus*multi_get_qps": "multi_get_qps", + "replica*app.pegasus*put_qps": "put_qps", + "replica*app.pegasus*multi_put_qps": "multi_put_qps", + "replica*app.pegasus*remove_qps": "remove_qps", + "replica*app.pegasus*multi_remove_qps": "multi_remove_qps", + "replica*app.pegasus*incr_qps": "incr_qps", + "replica*app.pegasus*check_and_set_qps": "check_and_set_qps", + "replica*app.pegasus*check_and_mutate_qps": "check_and_mutate_qps", + "replica*app.pegasus*scan_qps": "scan_qps", + "replica*eon.replica*backup_request_qps": "backup_request_qps", + "replica*app.pegasus*duplicate_qps": "duplicate_qps", + "replica*app.pegasus*dup_shipped_ops": "dup_shipped_ops", + "replica*app.pegasus*dup_failed_shipping_ops": "dup_failed_shipping_ops", + "replica*app.pegasus*get_bytes": "get_bytes", + "replica*app.pegasus*multi_get_bytes": "multi_get_bytes", + "replica*app.pegasus*scan_bytes": "scan_bytes", + "replica*app.pegasus*put_bytes": "put_bytes", + "replica*app.pegasus*multi_put_bytes": "multi_put_bytes", + "replica*app.pegasus*check_and_set_bytes": "check_and_set_bytes", + "replica*app.pegasus*check_and_mutate_bytes": "check_and_mutate_bytes", + "replica*app.pegasus*recent.read.cu": "recent_read_cu", + "replica*app.pegasus*recent.write.cu": "recent_write_cu", + "replica*app.pegasus*recent.expire.count": "recent_expire_count", + "replica*app.pegasus*recent.filter.count": "recent_filter_count", + "replica*app.pegasus*recent.abnormal.count": "recent_abnormal_count", + "replica*eon.replica*recent.write.throttling.delay.count": "recent_write_throttling_delay_count", + "replica*eon.replica*recent.write.throttling.reject.count": "recent_write_throttling_reject_count", + "replica*app.pegasus*disk.storage.sst(MB)": "sst_storage_mb", + "replica*app.pegasus*disk.storage.sst.count": "sst_count", + "replica*app.pegasus*rdb.block_cache.hit_count": "rdb_block_cache_hit_count", + "replica*app.pegasus*rdb.block_cache.total_count": "rdb_block_cache_total_count", + "replica*app.pegasus*rdb.index_and_filter_blocks.memory_usage": "rdb_index_and_filter_blocks_mem_usage", + "replica*app.pegasus*rdb.memtable.memory_usage": "rdb_memtable_mem_usage", + "replica*app.pegasus*rdb.estimate_num_keys": "rdb_estimate_num_keys", + "replica*app.pegasus*rdb.bf_seek_negatives": "rdb_bf_seek_negatives", + "replica*app.pegasus*rdb.bf_seek_total": "rdb_bf_seek_total", + "replica*app.pegasus*rdb.bf_point_positive_true": "rdb_bf_point_positive_true", + "replica*app.pegasus*rdb.bf_point_positive_total": "rdb_bf_point_positive_total", + "replica*app.pegasus*rdb.bf_point_negatives": "rdb_bf_point_negatives", +} + +var aggregatableSet = map[string]interface{}{ + "read_qps": nil, + "write_qps": nil, + "read_bytes": nil, + "write_bytes": nil, +} + +// aggregatable returns whether the counter is to be aggregated on collector, +// including v1Tov2MetricsConversion and aggregatableSet. +func aggregatable(pc *partitionPerfCounter) bool { + v2Name, found := v1Tov2MetricsConversion[pc.name] + if found { // ignored + pc.name = v2Name + return true // listed above are all aggregatable + } + _, found = aggregatableSet[pc.name] + return found +} + +// AllMetrics returns metrics tracked within this collector. +// The sets of metrics from cluster level and table level are completely equal. +func AllMetrics() (res []string) { + for _, newName := range v1Tov2MetricsConversion { + res = append(res, newName) + } + for name := range aggregatableSet { + res = append(res, name) + } + return res +} diff --git a/collector/aggregate/aggregator.go b/collector/aggregate/aggregator.go new file mode 100644 index 0000000000..7e0cf50b22 --- /dev/null +++ b/collector/aggregate/aggregator.go @@ -0,0 +1,173 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "fmt" + "time" + + "github.com/apache/incubator-pegasus/go-client/idl/admin" + log "github.com/sirupsen/logrus" + "github.com/spf13/viper" + "gopkg.in/tomb.v2" +) + +// TableStatsAggregator aggregates the metric on each partition into table-level metrics. +// It's reponsible for all tables in the pegasus cluster. +// After all TableStats have been collected, TableStatsAggregator sums them up into a +// ClusterStats. Users of this pacakage can use the hooks to watch every changes of the stats. +type TableStatsAggregator interface { + Aggregate() (map[int32]*TableStats, *ClusterStats, error) + + Close() +} + +// NewTableStatsAggregator returns a TableStatsAggregator instance. +func NewTableStatsAggregator(metaAddrs []string) TableStatsAggregator { + return &tableStatsAggregator{ + tables: make(map[int32]*TableStats), + client: NewPerfClient(metaAddrs), + } +} + +type tableStatsAggregator struct { + tables map[int32]*TableStats + allStats *ClusterStats + + client *PerfClient +} + +// Start looping for metrics aggregation +func Start(tom *tomb.Tomb) { + aggregateInterval := viper.GetDuration("metrics.report_interval") + ticker := time.NewTicker(aggregateInterval) + + metaAddr := viper.GetString("meta_server") + iAg := NewTableStatsAggregator([]string{metaAddr}) + ag := iAg.(*tableStatsAggregator) + + for { + select { + case <-tom.Dying(): // check if context cancelled + return + case <-ticker.C: + } + + _, _, err := ag.Aggregate() + if err != nil { + log.Error(err) + } + + // produce stats for the hooks + var batchTableStats []TableStats + for _, table := range ag.tables { + batchTableStats = append(batchTableStats, *table) + } + ag.aggregateClusterStats() + hooksManager.afterTableStatsEmitted(batchTableStats, *ag.allStats) + } +} + +func (ag *tableStatsAggregator) Aggregate() (map[int32]*TableStats, *ClusterStats, error) { + err := ag.updateTableMap() + if err != nil { + return nil, nil, fmt.Errorf("failed to aggregate: %s", err) + } + + // TODO(wutao1): reduce meta queries for listing nodes + partitions, err := ag.client.GetPartitionStats() + if err != nil { + return nil, nil, fmt.Errorf("failed to aggregate: %s", err) + } + for _, p := range partitions { + ag.updatePartitionStat(p) + } + + for _, table := range ag.tables { + table.aggregate() + } + + return ag.tables, ag.allStats, nil +} + +func (ag *tableStatsAggregator) Close() { + ag.client.Close() +} + +func (ag *tableStatsAggregator) aggregateClusterStats() { + ag.allStats = &ClusterStats{ + Stats: make(map[string]float64), + Timestamp: time.Now(), + } + for _, table := range ag.tables { + for k, v := range table.Stats { + ag.allStats.Stats[k] += v + } + } +} + +// Some tables may disappear (be dropped) or first show up. +// This function maintains the local table map +// to keep consistent with the pegasus cluster. +func (ag *tableStatsAggregator) updateTableMap() error { + tables, err := ag.client.listTables() + if err != nil { + return err + } + ag.doUpdateTableMap(tables) + return nil +} + +func (ag *tableStatsAggregator) doUpdateTableMap(tables []*admin.AppInfo) { + currentTableSet := make(map[int32]*struct{}) + for _, tb := range tables { + currentTableSet[tb.AppID] = nil + if _, found := ag.tables[tb.AppID]; !found { + // non-exisistent table, create it + ag.tables[tb.AppID] = newTableStats(tb) + log.Infof("found new table: %+v", tb) + + // TODO(wutao1): some tables may have partitions splitted, + // recreate the tableStats then. + } + } + for appID, tb := range ag.tables { + // disappeared table, delete it + if _, found := currentTableSet[appID]; !found { + log.Infof("remove table from collector: {AppID: %d, PartitionCount: %d}", appID, len(tb.Partitions)) + delete(ag.tables, appID) + + hooksManager.afterTableDropped(appID) + } + } +} + +// Update the counter value. +func (ag *tableStatsAggregator) updatePartitionStat(pc *PartitionStats) { + tb, found := ag.tables[pc.Gpid.Appid] + if !found { + // Ignore the perf-counter because there's currently no such table + return + } + part, found := tb.Partitions[int(pc.Gpid.PartitionIndex)] + if !found { + log.Errorf("no such partition %+v", pc.Gpid) + return + } + *part = *pc +} diff --git a/collector/aggregate/aggregator_test.go b/collector/aggregate/aggregator_test.go new file mode 100644 index 0000000000..4b73e92130 --- /dev/null +++ b/collector/aggregate/aggregator_test.go @@ -0,0 +1,97 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "testing" + + "github.com/apache/incubator-pegasus/go-client/idl/admin" + "github.com/apache/incubator-pegasus/go-client/idl/base" + "github.com/stretchr/testify/assert" +) + +func TestUpdateLocalTableMap(t *testing.T) { + ag := &tableStatsAggregator{ + client: NewPerfClient([]string{"127.0.0.1:34601"}), + tables: make(map[int32]*TableStats), + } + err := ag.updateTableMap() + assert.Nil(t, err) + assert.Equal(t, len(ag.tables), 2) + assert.Equal(t, len(ag.tables[1].Partitions), 4) // test + assert.Equal(t, len(ag.tables[2].Partitions), 8) // stat + + tables := []*admin.AppInfo{ + {AppID: 1, AppName: "stat", PartitionCount: 4}, + {AppID: 2, AppName: "test", PartitionCount: 8}, + {AppID: 3, AppName: "new_table", PartitionCount: 16}, + } + ag.doUpdateTableMap(tables) + assert.Equal(t, len(ag.tables), 3) + assert.Equal(t, len(ag.tables[3].Partitions), 16) + + tables = []*admin.AppInfo{ + {AppID: 1, AppName: "stat", PartitionCount: 4}, + } + ag.doUpdateTableMap(tables) + assert.Equal(t, len(ag.tables), 1) + assert.Equal(t, len(ag.tables[1].Partitions), 4) +} + +func TestUpdatePartitionStats(t *testing.T) { + ag := &tableStatsAggregator{ + tables: make(map[int32]*TableStats), + } + tables := []*admin.AppInfo{ + {AppID: 1, AppName: "stat", PartitionCount: 4}, + } + ag.doUpdateTableMap(tables) + + pc := decodePartitionPerfCounter("replica*app.pegasus*recent.abnormal.count@1.2", 100) + assert.NotNil(t, pc) + + ag.updatePartitionStat(&PartitionStats{ + Gpid: base.Gpid{Appid: 1, PartitionIndex: 2}, + Addr: "127.0.0.1:34601", + Stats: map[string]float64{ + "replica*app.pegasus*recent.abnormal.count": 100, + }, + }) + + part := ag.tables[1].Partitions[2] + assert.Contains(t, part.Stats, pc.name) + assert.Equal(t, part.Stats[pc.name], float64(100)) + assert.Equal(t, part.Addr, "127.0.0.1:34601") +} + +func TestAggregate(t *testing.T) { + ag := NewTableStatsAggregator([]string{"127.0.0.1:34601"}) + tableStats, allStat, err := ag.Aggregate() + assert.Nil(t, err) + assert.Greater(t, len(allStat.Stats), 0) + + assert.Equal(t, len(tableStats), 2) + + // ensure len(tableStats) == len(partitionStats) == len(clusterStats) + for _, tb := range tableStats { + assert.Equal(t, len(tb.Stats), len(allStat.Stats)) + for _, p := range tb.Partitions { + assert.Equal(t, len(p.Stats), len(allStat.Stats)) + } + } +} diff --git a/collector/aggregate/history.go b/collector/aggregate/history.go new file mode 100644 index 0000000000..27e6d10ee1 --- /dev/null +++ b/collector/aggregate/history.go @@ -0,0 +1,111 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "container/list" + "sync" +) + +const ( + historyMaxCapacity = 10 +) + +// threadSafeHistory is a time-ordered queue of stats. +type threadSafeHistory struct { + lock sync.RWMutex + + stats *list.List + capacity int +} + +// Emit a TableStats to the history. Will remove the oldest record from history. +func (h *threadSafeHistory) emit(stat interface{}) { + h.lock.Lock() + defer h.lock.Unlock() + + if h.stats.Len() == h.capacity { + h.stats.Remove(h.stats.Front()) + } + h.stats.PushBack(stat) +} + +func newHistory(capacity int) *threadSafeHistory { + return &threadSafeHistory{ + stats: list.New(), + capacity: capacity, + } +} + +type historyStore struct { + lock sync.RWMutex + + tables map[int]*threadSafeHistory + cluster *threadSafeHistory +} + +var globalHistoryStore = &historyStore{ + tables: make(map[int]*threadSafeHistory), + cluster: newHistory(historyMaxCapacity), +} + +// SnapshotClusterStats takes a snapshot from the history. The returned array is ordered by time. +func SnapshotClusterStats() []ClusterStats { + s := globalHistoryStore + + s.lock.RLock() + defer s.lock.RUnlock() + + var result []ClusterStats + l := s.cluster.stats + for e := l.Front(); e != nil; e = e.Next() { + stat, _ := e.Value.(*ClusterStats) + result = append(result, *stat) + } + return result +} + +func init() { + initHistoryStore() +} + +func initHistoryStore() { + AddHookAfterTableStatEmitted(func(stats []TableStats, allStat ClusterStats) { + s := globalHistoryStore + + s.lock.Lock() + defer s.lock.Unlock() + for _, stat := range stats { + history, found := s.tables[stat.AppID] + if !found { + history = newHistory(historyMaxCapacity) + s.tables[stat.AppID] = history + } + history.emit(&stat) + } + s.cluster.emit(&allStat) + }) + + AddHookAfterTableDropped(func(appID int) { + s := globalHistoryStore + + s.lock.Lock() + defer s.lock.Unlock() + delete(s.tables, appID) + }) +} diff --git a/collector/aggregate/history_test.go b/collector/aggregate/history_test.go new file mode 100644 index 0000000000..e4bbbfa06d --- /dev/null +++ b/collector/aggregate/history_test.go @@ -0,0 +1,40 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "testing" + "time" + + "github.com/stretchr/testify/assert" +) + +func TestHistory(t *testing.T) { + hooksManager = tableStatsHooksManager{} + initHistoryStore() + + for i := 0; i < historyMaxCapacity*2; i++ { + hooksManager.afterTableStatsEmitted([]TableStats{}, + ClusterStats{Stats: map[string]float64{"write": 100.0 * float64(i)}, Timestamp: time.Now()}) + } + clusterStats := SnapshotClusterStats() + assert.Equal(t, len(clusterStats), historyMaxCapacity) + for i := 0; i < historyMaxCapacity; i++ { + assert.Equal(t, clusterStats[i].Stats["write"], float64(historyMaxCapacity+i)*100.0) + } +} diff --git a/collector/aggregate/hook.go b/collector/aggregate/hook.go new file mode 100644 index 0000000000..e20af348ae --- /dev/null +++ b/collector/aggregate/hook.go @@ -0,0 +1,69 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import "sync" + +// HookAfterTableStatEmitted is a hook of event that new TableStats are generated. +// Each call of the hook handles a batch of tables. +type HookAfterTableStatEmitted func(stats []TableStats, allStats ClusterStats) + +// AddHookAfterTableStatEmitted adds a hook of event that a new TableStats is generated. +func AddHookAfterTableStatEmitted(hk HookAfterTableStatEmitted) { + m := &hooksManager + m.lock.Lock() + defer m.lock.Unlock() + m.emittedHooks = append(m.emittedHooks, hk) +} + +// HookAfterTableDropped is a hook of event that a table is dropped. +type HookAfterTableDropped func(appID int) + +// AddHookAfterTableDropped adds a hook of event that a table is dropped. +func AddHookAfterTableDropped(hk HookAfterTableDropped) { + m := &hooksManager + m.lock.Lock() + defer m.lock.Unlock() + m.droppedHooks = append(m.droppedHooks, hk) +} + +type tableStatsHooksManager struct { + lock sync.RWMutex + emittedHooks []HookAfterTableStatEmitted + droppedHooks []HookAfterTableDropped +} + +func (m *tableStatsHooksManager) afterTableStatsEmitted(stats []TableStats, allStat ClusterStats) { + m.lock.RLock() + defer m.lock.RUnlock() + + for _, hook := range m.emittedHooks { + hook(stats, allStat) + } +} + +func (m *tableStatsHooksManager) afterTableDropped(appID int32) { + m.lock.RLock() + defer m.lock.RUnlock() + + for _, hook := range m.droppedHooks { + hook(int(appID)) + } +} + +var hooksManager tableStatsHooksManager diff --git a/collector/aggregate/hook_test.go b/collector/aggregate/hook_test.go new file mode 100644 index 0000000000..a1a853314b --- /dev/null +++ b/collector/aggregate/hook_test.go @@ -0,0 +1,51 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "testing" + "time" + + "github.com/stretchr/testify/assert" +) + +func TestAddHook(t *testing.T) { + var actualTableStats []TableStats + var actualClusterStats ClusterStats + AddHookAfterTableStatEmitted(func(stats []TableStats, allStats ClusterStats) { + actualTableStats = stats + actualClusterStats = allStats + }) + + t1 := TableStats{TableName: "test", Stats: map[string]float64{"write": 512.0}, Timestamp: time.Now()} + t2 := TableStats{TableName: "stat", Stats: map[string]float64{"write": 256.0}, Timestamp: time.Now()} + all := ClusterStats{Stats: map[string]float64{"write": 768.0}} + + ch := make(chan interface{}) + go func() { + hooksManager.afterTableStatsEmitted([]TableStats{t1, t2}, all) + ch <- nil + }() + <-ch + + assert.EqualValues(t, actualTableStats, []TableStats{t1, t2}) + assert.EqualValues(t, actualClusterStats, all) + + // clear up + hooksManager = tableStatsHooksManager{} +} diff --git a/collector/aggregate/perf_client.go b/collector/aggregate/perf_client.go new file mode 100644 index 0000000000..26739c116d --- /dev/null +++ b/collector/aggregate/perf_client.go @@ -0,0 +1,237 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "context" + "fmt" + "sync" + "time" + + "github.com/apache/incubator-pegasus/go-client/idl/admin" + "github.com/apache/incubator-pegasus/go-client/idl/base" + "github.com/apache/incubator-pegasus/go-client/session" + log "github.com/sirupsen/logrus" + batchErr "k8s.io/apimachinery/pkg/util/errors" +) + +// PerfClient manages sessions to all replica nodes. +type PerfClient struct { + meta *session.MetaManager + + nodes map[string]*PerfSession +} + +// GetPartitionStats retrieves all the partition stats from replica nodes. +// NOTE: Only the primaries are counted. +func (m *PerfClient) GetPartitionStats() ([]*PartitionStats, error) { + m.updateNodes() + + partitions, err := m.preparePrimariesStats() + if err != nil { + return nil, err + } + + nodeStats, err := m.GetNodeStats("@") + if err != nil { + return nil, err + } + + for _, n := range nodeStats { + for name, value := range n.Stats { + perfCounter := decodePartitionPerfCounter(name, value) + if perfCounter == nil { + continue + } + if !aggregatable(perfCounter) { + continue + } + part := partitions[perfCounter.gpid] + if part == nil || part.Addr != n.Addr { + // if this node is not the primary of this partition + continue + } + + part.Stats[perfCounter.name] = perfCounter.value + } + } + + var ret []*PartitionStats + for _, part := range partitions { + extendStats(&part.Stats) + ret = append(ret, part) + } + return ret, nil +} + +// getPrimaries returns mapping of [partition -> primary address] +func (m *PerfClient) getPrimaries() (map[base.Gpid]string, error) { + tables, err := m.listTables() + if err != nil { + return nil, err + } + ctx, cancel := context.WithTimeout(context.Background(), time.Second*10) + defer cancel() + + result := make(map[base.Gpid]string) + var mu sync.Mutex + var funcs []func() error + + for _, table := range tables { + tb := table + funcs = append(funcs, func() (subErr error) { + tableCfg, err := m.meta.QueryConfig(ctx, tb.AppName) + if err != nil { + return fmt.Errorf("failed on table(%s): %s", tb.AppName, err) + } + mu.Lock() + for _, p := range tableCfg.Partitions { + result[*p.Pid] = p.Primary.GetAddress() + } + mu.Unlock() + return nil + }) + } + return result, batchErr.AggregateGoroutines(funcs...) +} + +func (m *PerfClient) preparePrimariesStats() (map[base.Gpid]*PartitionStats, error) { + primaries, err := m.getPrimaries() + if err != nil { + return nil, err + } + partitions := make(map[base.Gpid]*PartitionStats) + for p, addr := range primaries { + partitions[p] = &PartitionStats{ + Gpid: p, + Stats: make(map[string]float64), + Addr: addr, + } + } + return partitions, nil +} + +// NodeStat contains the stats of a replica node. +type NodeStat struct { + // Address of the replica node. + Addr string + + // perfCounter's name -> the value. + Stats map[string]float64 +} + +// GetNodeStats retrieves all the stats matched with `filter` from replica nodes. +func (m *PerfClient) GetNodeStats(filter string) ([]*NodeStat, error) { + m.updateNodes() + + // concurrently send RPC for perf-counters. + var results []*NodeStat + var funcs []func() error + var mu sync.Mutex + + for _, node := range m.nodes { + n := node + funcs = append(funcs, func() (subErr error) { + stat := &NodeStat{ + Addr: n.Address, + Stats: make(map[string]float64), + } + perfCounters, err := n.GetPerfCounters(filter) + if err != nil { + return fmt.Errorf("failed on node(%s): %s", n.Address, err) + } + for _, p := range perfCounters { + stat.Stats[p.Name] = p.Value + } + + mu.Lock() + results = append(results, stat) + defer mu.Unlock() + return nil + }) + } + return results, batchErr.AggregateGoroutines(funcs...) +} + +func (m *PerfClient) listNodes() ([]*admin.NodeInfo, error) { + ctx, cancel := context.WithTimeout(context.Background(), time.Second*5) + defer cancel() + resp, err := m.meta.ListNodes(ctx, &admin.ListNodesRequest{ + Status: admin.NodeStatus_NS_ALIVE, + }) + if err != nil { + return nil, err + } + return resp.Infos, nil +} + +func (m *PerfClient) listTables() ([]*admin.AppInfo, error) { + ctx, cancel := context.WithTimeout(context.Background(), time.Second*5) + defer cancel() + resp, err := m.meta.ListApps(ctx, &admin.ListAppsRequest{ + Status: admin.AppStatus_AS_AVAILABLE, + }) + if err != nil { + return nil, err + } + return resp.Infos, nil +} + +// updateNodes +func (m *PerfClient) updateNodes() { + nodeInfos, err := m.listNodes() + if err != nil { + log.Error("skip updating nodes due to list-nodes RPC failure: ", err) + return + } + + newNodes := make(map[string]*PerfSession) + for _, n := range nodeInfos { + addr := n.Address.GetAddress() + node, found := m.nodes[addr] + if !found { + newNodes[addr] = NewPerfSession(addr) + } else { + newNodes[addr] = node + } + } + for n, client := range m.nodes { + // close the unused connections + if _, found := newNodes[n]; !found { + client.Close() + } + } + m.nodes = newNodes +} + +// Close release the resources. +func (m *PerfClient) Close() { + m.meta.Close() + + for _, n := range m.nodes { + n.Close() + } +} + +// NewPerfClient returns an instance of PerfClient. +func NewPerfClient(metaAddrs []string) *PerfClient { + return &PerfClient{ + meta: session.NewMetaManager(metaAddrs, session.NewNodeSession), + nodes: make(map[string]*PerfSession), + } +} diff --git a/collector/aggregate/perf_client_test.go b/collector/aggregate/perf_client_test.go new file mode 100644 index 0000000000..264eb60b31 --- /dev/null +++ b/collector/aggregate/perf_client_test.go @@ -0,0 +1,49 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "testing" + + "github.com/apache/incubator-pegasus/go-client/idl/base" + "github.com/stretchr/testify/assert" +) + +func TestPerfClientGetNodeStats(t *testing.T) { + pclient := NewPerfClient([]string{"127.0.0.1:34601"}) + nodes, err := pclient.GetNodeStats("@") + assert.Nil(t, err) + assert.Greater(t, len(nodes), 0) + assert.Greater(t, len(nodes[0].Stats), 0) + for _, n := range nodes { + assert.NotEmpty(t, n.Addr) + } +} + +func TestPerfClientGetPartitionStats(t *testing.T) { + pclient := NewPerfClient([]string{"127.0.0.1:34601"}) + partitions, err := pclient.GetPartitionStats() + assert.Nil(t, err) + assert.Greater(t, len(partitions), 0) + assert.Greater(t, len(partitions[0].Stats), 0) + for _, p := range partitions { + assert.NotEmpty(t, p.Addr) + assert.NotEqual(t, p.Gpid, base.Gpid{Appid: 0, PartitionIndex: 0}) + assert.NotEmpty(t, p.Stats) + } +} diff --git a/collector/aggregate/perf_counter_decoder.go b/collector/aggregate/perf_counter_decoder.go new file mode 100644 index 0000000000..f89e31840b --- /dev/null +++ b/collector/aggregate/perf_counter_decoder.go @@ -0,0 +1,62 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "strconv" + "strings" + + "github.com/apache/incubator-pegasus/go-client/idl/base" +) + +type partitionPerfCounter struct { + name string + gpid base.Gpid + value float64 +} + +// decodePartitionPerfCounter implements the v1 version of metric decoding. +func decodePartitionPerfCounter(name string, value float64) *partitionPerfCounter { + idx := strings.LastIndex(name, "@") + gpidStr := name[idx+1:] + appIDAndPartitionID := strings.Split(gpidStr, ".") + if len(appIDAndPartitionID) != 2 { + // special case: in some mis-desgined metrics, what follows after a '@' may not be a replica id + return nil + } + appIDAndPartitionID = appIDAndPartitionID[:2] // "AppID.PartitionIndex" + appID, err := strconv.Atoi(appIDAndPartitionID[0]) + if err != nil { + return nil + } + partitionIndex, err := strconv.Atoi(appIDAndPartitionID[1]) + if err != nil { + return nil + } + return &partitionPerfCounter{ + name: name[:idx], // strip out the replica id + gpid: base.Gpid{ + Appid: int32(appID), + PartitionIndex: int32(partitionIndex), + }, + value: value, + } +} + +// TODO(wutao1): implement the v2 version of metric decoding according to +// https://github.com/apache/incubator-pegasus/blob/master/rfcs/2020-08-27-metric-api.md diff --git a/collector/aggregate/perf_counter_decoder_test.go b/collector/aggregate/perf_counter_decoder_test.go new file mode 100644 index 0000000000..e910cd9f8b --- /dev/null +++ b/collector/aggregate/perf_counter_decoder_test.go @@ -0,0 +1,61 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "testing" + + "github.com/apache/incubator-pegasus/go-client/idl/base" + "github.com/stretchr/testify/assert" +) + +func TestDecodePartitionPerfCounter(t *testing.T) { + tests := []struct { + name string + + isNil bool + counterName string + appID int32 + partitionIndex int32 + }{ + {name: "replica*app.pegasus*get_latency@2.5.p999", isNil: true}, + + // server-level counter, does not contain gpid. + {name: "replica*eon.replica*table.level.RPC_RRDB_RRDB_CHECK_AND_MUTATE.latency(ns)@temp", isNil: true}, + { + name: "replica*eon.replica*table.level.RPC_RRDB_RRDB_MULTI_PUT.latency(ns)@temp.p999", + isNil: true, + }, + + { + name: "replica*app.pegasus*recent.abnormal.count@1.2", + counterName: "replica*app.pegasus*recent.abnormal.count", + appID: 1, + partitionIndex: 2, + }, + } + + for _, tt := range tests { + pc := decodePartitionPerfCounter(tt.name, 1.0) + assert.Equal(t, pc == nil, tt.isNil, tt.name) + if pc != nil { + assert.Equal(t, pc.name, tt.counterName) + assert.Equal(t, pc.gpid, base.Gpid{Appid: tt.appID, PartitionIndex: tt.partitionIndex}) + } + } +} diff --git a/collector/aggregate/perf_session.go b/collector/aggregate/perf_session.go new file mode 100644 index 0000000000..9e0665ac60 --- /dev/null +++ b/collector/aggregate/perf_session.go @@ -0,0 +1,91 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "context" + "fmt" + "time" + + "github.com/apache/incubator-pegasus/go-client/admin" + "github.com/apache/incubator-pegasus/go-client/session" + "github.com/tidwall/gjson" +) + +// PerfSession is a client to get perf-counters from a Pegasus ReplicaServer. +type PerfSession struct { + session.NodeSession + + Address string +} + +// PerfCounter is a Pegasus perf-counter. +type PerfCounter struct { + Name string + Value float64 +} + +func (p *PerfCounter) String() string { + return fmt.Sprintf("{Name: %s, Value: %f}", p.Name, p.Value) +} + +// NewPerfSession returns an instance of PerfSession. +func NewPerfSession(addr string) *PerfSession { + return &PerfSession{ + Address: addr, + NodeSession: session.NewNodeSession(addr, session.NodeTypeReplica), + } +} + +// WrapPerf returns an instance of PerfSession using an existed session. +func WrapPerf(addr string, session session.NodeSession) *PerfSession { + return &PerfSession{ + Address: addr, + NodeSession: session, + } +} + +// GetPerfCounters retrieves all perf-counters matched with `filter` from the remote node. +func (c *PerfSession) GetPerfCounters(filter string) ([]*PerfCounter, error) { + ctx, cancel := context.WithTimeout(context.Background(), time.Second*10) + defer cancel() + rc := &admin.RemoteCommand{ + Command: "perf-counters-by-substr", + Arguments: []string{filter}, + } + + result, err := rc.Call(ctx, c.NodeSession) + if err != nil { + return nil, err + } + resultJSON := gjson.Parse(result) + perfCounters := resultJSON.Get("counters").Array() + var ret []*PerfCounter + for _, perfCounter := range perfCounters { + ret = append(ret, &PerfCounter{ + Name: perfCounter.Get("name").String(), + Value: perfCounter.Get("value").Float(), + }) + } + return ret, nil +} + +// Close terminates the session to replica. +func (c *PerfSession) Close() { + c.NodeSession.Close() +} diff --git a/collector/aggregate/table_stats.go b/collector/aggregate/table_stats.go new file mode 100644 index 0000000000..62d9b7d108 --- /dev/null +++ b/collector/aggregate/table_stats.go @@ -0,0 +1,134 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package aggregate + +import ( + "time" + + "github.com/apache/incubator-pegasus/go-client/idl/admin" + "github.com/apache/incubator-pegasus/go-client/idl/base" +) + +// PartitionStats is a set of metrics retrieved from this partition. +type PartitionStats struct { + Gpid base.Gpid + + // Address of the primary where this partition locates. + Addr string + + // perfCounter's name -> the value. + Stats map[string]float64 +} + +// TableStats has the aggregated metrics for this table. +type TableStats struct { + TableName string + AppID int + + Partitions map[int]*PartitionStats + + // the time when the stats was generated + Timestamp time.Time + + // The aggregated value of table metrics. + // perfCounter's name -> the value. + Stats map[string]float64 +} + +// ClusterStats is the aggregated metrics for all the TableStats in this cluster. +// For example, 3 tables with "write_qps" [25, 70, 100] are summed up to +// `Stats: {"write_qps" : 195}`. +type ClusterStats struct { + Timestamp time.Time + + Stats map[string]float64 +} + +func newTableStats(info *admin.AppInfo) *TableStats { + tb := &TableStats{ + TableName: info.AppName, + AppID: int(info.AppID), + Partitions: make(map[int]*PartitionStats), + Stats: make(map[string]float64), + Timestamp: time.Now(), + } + for i := 0; i < int(info.PartitionCount); i++ { + tb.Partitions[i] = &PartitionStats{ + Gpid: base.Gpid{Appid: int32(info.AppID), PartitionIndex: int32(i)}, + Stats: make(map[string]float64), + } + } + return tb +} + +func (tb *TableStats) aggregate() { + tb.Timestamp = time.Now() + for _, part := range tb.Partitions { + for name, value := range part.Stats { + tb.Stats[name] += value + } + } +} + +func aggregateCustomStats(elements []string, stats *map[string]float64, resultName string) { + aggregated := float64(0) + for _, ele := range elements { + if v, found := (*stats)[ele]; found { + aggregated += v + } + } + (*stats)[resultName] = aggregated +} + +// Extends the stat with read_qps/read_bytes/write_qps/write_bytes. +func extendStats(stats *map[string]float64) { + var reads = []string{ + "get", + "multi_get", + "scan", + } + var readQPS []string + for _, r := range reads { + readQPS = append(readQPS, r+"_qps") + } + var readBytes []string + for _, r := range reads { + readBytes = append(readBytes, r+"_bytes") + } + aggregateCustomStats(readQPS, stats, "read_qps") + aggregateCustomStats(readBytes, stats, "read_bytes") + + var writes = []string{ + "put", + "remove", + "multi_put", + "multi_remove", + "check_and_set", + "check_and_mutate", + } + var writeQPS []string + for _, w := range writes { + writeQPS = append(writeQPS, w+"_qps") + } + var writeBytes []string + for _, w := range writes { + writeBytes = append(writeBytes, w+"_bytes") + } + aggregateCustomStats(writeQPS, stats, "write_qps") + aggregateCustomStats(writeBytes, stats, "write_bytes") +} diff --git a/collector/avail/detector.go b/collector/avail/detector.go new file mode 100644 index 0000000000..1e23a62105 --- /dev/null +++ b/collector/avail/detector.go @@ -0,0 +1,124 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package avail + +import ( + "context" + "sync/atomic" + "time" + + "github.com/apache/incubator-pegasus/go-client/pegasus" + log "github.com/sirupsen/logrus" +) + +// Detector periodically checks the service availability of the Pegasus cluster. +type Detector interface { + + // Start detection until the ctx cancelled. This method will block the current thread. + Start(ctx context.Context) error +} + +// NewDetector returns a service-availability detector. +func NewDetector(client pegasus.Client) Detector { + return &pegasusDetector{client: client} +} + +type pegasusDetector struct { + // client reads and writes periodically to a specified table. + client pegasus.Client + detectTable pegasus.TableConnector + + detectInterval time.Duration + detectTableName string + + // timeout of a single detect + detectTimeout time.Duration + + detectHashKeys [][]byte + + recentMinuteDetectTimes uint64 + recentMinuteFailureTimes uint64 + + recentHourDetectTimes uint64 + recentHourFailureTimes uint64 + + recentDayDetectTimes uint64 + recentDayFailureTimes uint64 +} + +func (d *pegasusDetector) Start(rootCtx context.Context) error { + var err error + ctx, cancel := context.WithTimeout(rootCtx, 10*time.Second) + defer cancel() + d.detectTable, err = d.client.OpenTable(ctx, d.detectTableName) + if err != nil { + return err + } + + ticker := time.NewTicker(d.detectInterval) + for { + select { + case <-rootCtx.Done(): // check if context cancelled + return nil + case <-ticker.C: + return nil + default: + } + + // periodically set/get a configured Pegasus table. + d.detect(ctx) + } +} + +func (d *pegasusDetector) detect(rootCtx context.Context) { + // TODO(yingchun): doesn't work, just to mute lint errors. + d.detectPartition(rootCtx, 1) +} + +func (d *pegasusDetector) detectPartition(rootCtx context.Context, partitionIdx int) { + d.incrDetectTimes() + + go func() { + ctx, cancel := context.WithTimeout(rootCtx, d.detectTimeout) + defer cancel() + + hashkey := d.detectHashKeys[partitionIdx] + value := []byte("") + + if err := d.detectTable.Set(ctx, hashkey, []byte(""), value); err != nil { + d.incrFailureTimes() + log.Errorf("set partition [%d] failed, hashkey=\"%s\": %s", partitionIdx, hashkey, err) + } + if _, err := d.detectTable.Get(ctx, hashkey, []byte("")); err != nil { + d.incrFailureTimes() + log.Errorf("get partition [%d] failed, hashkey=\"%s\": %s", partitionIdx, hashkey, err) + } + }() +} + +func (d *pegasusDetector) incrDetectTimes() { + atomic.AddUint64(&d.recentMinuteDetectTimes, 1) + atomic.AddUint64(&d.recentHourDetectTimes, 1) + atomic.AddUint64(&d.recentDayDetectTimes, 1) +} + +func (d *pegasusDetector) incrFailureTimes() { + atomic.AddUint64(&d.recentMinuteFailureTimes, 1) + atomic.AddUint64(&d.recentHourFailureTimes, 1) + atomic.AddUint64(&d.recentDayFailureTimes, 1) +} diff --git a/collector/config.yml b/collector/config.yml new file mode 100644 index 0000000000..b89993d6c9 --- /dev/null +++ b/collector/config.yml @@ -0,0 +1,45 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance +# with the License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, +# software distributed under the License is distributed on an +# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +# KIND, either express or implied. See the License for the +# specific language governing permissions and limitations +# under the License. + +# the cluster that this collector is binding +cluster_name : "onebox" + +# the meta server addresses of the cluster. +meta_servers: + - 127.0.0.1:34601 + - 127.0.0.1:34602 + +# local server port +port : 34101 + +metrics: + # use falcon as monitoring system. + sink : falcon + report_interval : 10s + +prometheus: + # the exposed port for prometheus exposer + exposer_port : 1111 + +falcon_agent: + # the host IP of falcon agent + host : "127.0.0.1" + port : 1988 + http_path : "/v1/push" + +available_detect: + table_name : test diff --git a/collector/go.mod b/collector/go.mod new file mode 100644 index 0000000000..7288f318d4 --- /dev/null +++ b/collector/go.mod @@ -0,0 +1,47 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +module github.com/pegasus-kv/collector + +go 1.13 + +require ( + github.com/ajg/form v1.5.1 // indirect + github.com/apache/incubator-pegasus/go-client v0.0.0-20220526071020-be5634371701 + github.com/fasthttp-contrib/websocket v0.0.0-20160511215533-1f3b11f56072 // indirect + github.com/google/go-querystring v1.0.0 // indirect + github.com/imkira/go-interpol v1.1.0 // indirect + github.com/k0kubun/colorstring v0.0.0-20150214042306-9440f1994b88 // indirect + github.com/kataras/iris/v12 v12.1.8 + github.com/mattn/go-isatty v0.0.12 // indirect + github.com/moul/http2curl v1.0.0 // indirect + github.com/prometheus/client_golang v1.8.0 + github.com/sergi/go-diff v1.1.0 // indirect + github.com/sirupsen/logrus v1.7.0 + github.com/spf13/viper v1.7.1 + github.com/stretchr/testify v1.6.1 + github.com/tidwall/gjson v1.14.0 + github.com/valyala/fasthttp v1.16.0 // indirect + github.com/xeipuuv/gojsonschema v1.2.0 // indirect + github.com/yalp/jsonpath v0.0.0-20180802001716-5cc68e5049a0 // indirect + github.com/yudai/gojsondiff v1.0.0 // indirect + github.com/yudai/golcs v0.0.0-20170316035057-ecda9a501e82 // indirect + github.com/yudai/pp v2.0.1+incompatible // indirect + gopkg.in/natefinch/lumberjack.v2 v2.0.0 + gopkg.in/tomb.v2 v2.0.0-20161208151619-d5d1b5820637 + k8s.io/apimachinery v0.0.0-20191123233150-4c4803ed55e3 +) diff --git a/collector/go.sum b/collector/go.sum new file mode 100644 index 0000000000..6efe8418bf --- /dev/null +++ b/collector/go.sum @@ -0,0 +1,739 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= +cloud.google.com/go v0.44.2/go.mod 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b/collector/hotspot/algo.go @@ -0,0 +1,18 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package hotspot diff --git a/collector/main.go b/collector/main.go new file mode 100644 index 0000000000..d3d45d26c2 --- /dev/null +++ b/collector/main.go @@ -0,0 +1,99 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package main + +import ( + "errors" + "fmt" + "os" + "os/signal" + "runtime" + "strings" + "syscall" + + "github.com/pegasus-kv/collector/aggregate" + "github.com/pegasus-kv/collector/usage" + "github.com/pegasus-kv/collector/webui" + log "github.com/sirupsen/logrus" + "github.com/spf13/viper" + "gopkg.in/natefinch/lumberjack.v2" + "gopkg.in/tomb.v2" +) + +// callerPrettifier simplifies the caller info +func callerPrettifier(f *runtime.Frame) (function string, file string) { + function = f.Function[strings.LastIndex(f.Function, "/")+1:] + file = fmt.Sprint(f.File[strings.LastIndex(f.File, "/")+1:], ":", f.Line) + return function, file +} + +// setupSignalHandler setup signal handler for collector +func setupSignalHandler(shutdownFunc func()) { + closeSignalChan := make(chan os.Signal, 1) + signal.Notify(closeSignalChan, + syscall.SIGHUP, + syscall.SIGINT, + syscall.SIGTERM, + syscall.SIGQUIT) + + go func() { + sig := <-closeSignalChan + log.Infof("got signal %s to exit", sig.String()) + shutdownFunc() + }() +} + +func main() { + // initialize logging + log.SetFormatter(&log.TextFormatter{ + DisableColors: true, + FullTimestamp: true, + CallerPrettyfier: callerPrettifier, + }) + log.SetOutput(&lumberjack.Logger{ // rolling log + Filename: "./pegasus.log", + MaxSize: 50, // MegaBytes + MaxAge: 2, // days + LocalTime: true, + }) + log.SetReportCaller(true) + + // TODO(wutao1): use args[1] as config path + viper.SetConfigFile("config.yml") + viper.SetConfigType("yaml") + if err := viper.ReadInConfig(); err != nil { + log.Fatal("failed to read config: ", err) + return + } + + webui.StartWebServer() + + tom := &tomb.Tomb{} + setupSignalHandler(func() { + tom.Kill(errors.New("collector terminates")) // kill other goroutines + }) + tom.Go(func() error { + aggregate.Start(tom) + return nil + }) + tom.Go(func() error { + usage.NewTableUsageRecorder().Start(tom) + return nil + }) + <-tom.Dead() // gracefully wait until all goroutines dead +} diff --git a/collector/metrics/falcon_sink.go b/collector/metrics/falcon_sink.go new file mode 100644 index 0000000000..4ccaedfcbf --- /dev/null +++ b/collector/metrics/falcon_sink.go @@ -0,0 +1,144 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package metrics + +import ( + "bytes" + "encoding/json" + "errors" + "fmt" + "net/http" + "time" + + "github.com/pegasus-kv/collector/aggregate" + log "github.com/sirupsen/logrus" + "github.com/spf13/viper" +) + +type falconConfig struct { + falconAgentHost string + falconAgentPort uint32 + falconAgentHTTPPath string + + clusterName string + port uint32 + metricsReportInterval time.Duration +} + +type falconSink struct { + cfg *falconConfig +} + +type falconMetricData struct { + Endpoint string // the cluster name + Metric string // metric name + Timestamp int64 // the reporting time in unix seconds + Step int32 // the reporting time interval in seconds + Value float64 // metric value + CounterType string // GAUGE or COUNTER + Tags string +} + +func newFalconSink() *falconSink { + sink := &falconSink{} + sink.cfg = &falconConfig{ + falconAgentHost: viper.GetString("falcon_agent.host"), + falconAgentPort: viper.GetUint32("falcon_agent.port"), + falconAgentHTTPPath: viper.GetString("falcon_agent.http_path"), + clusterName: viper.GetString("cluster_name"), + port: viper.GetUint32("port"), + metricsReportInterval: viper.GetDuration("metrics.report_interval"), + } + return sink +} + +func (m *falconMetricData) setData(name string, value float64, tags map[string]string) { + m.Metric = name + m.Value = value + m.Timestamp = time.Now().Unix() + + firstTag := true + for k, v := range tags { + if firstTag { + firstTag = false + } else { + m.Tags += "," + } + m.Tags += k + "=" + v + } +} + +func (m *falconMetricData) toJSON() []byte { + result, err := json.Marshal(m) + if err != nil { + log.Fatal("failed to marshall falcon metric to json: ", err) + } + return result +} + +type falconDataSerializer struct { + buf *bytes.Buffer + + mdata *falconMetricData +} + +func (s *falconDataSerializer) serialize(stats []aggregate.TableStats, allStats aggregate.ClusterStats) { + s.buf.WriteString("[") + for _, table := range stats { + for name, value := range table.Stats { + s.mdata.setData(name, value, map[string]string{ + "entity": "table", + "table": name, + }) + } + s.buf.Write(s.mdata.toJSON()) + } + for name, value := range allStats.Stats { + s.mdata.setData(name, value, map[string]string{ + "entity": "cluster", + }) + s.buf.Write(s.mdata.toJSON()) + } +} + +func (sink *falconSink) Report(stats []aggregate.TableStats, allStats aggregate.ClusterStats) { + serializer := &falconDataSerializer{ + buf: bytes.NewBuffer(nil), + } + serializer.mdata = &falconMetricData{ + Endpoint: sink.cfg.clusterName, + Step: int32(sink.cfg.metricsReportInterval.Seconds()), + CounterType: "GAUGE", + } + serializer.serialize(stats, allStats) + sink.postHTTPData(serializer.buf.Bytes()) +} + +func (sink *falconSink) postHTTPData(data []byte) { + url := fmt.Sprintf("http://%s:%d/%s", sink.cfg.falconAgentHost, sink.cfg.falconAgentPort, sink.cfg.falconAgentHTTPPath) + resp, err := http.Post(url, "application/x-www-form-urlencoded", bytes.NewReader([]byte(data))) + if err == nil && resp.StatusCode != http.StatusOK { + err = errors.New(resp.Status) + } + if err != nil { + log.Errorf("failed to post metrics to falcon agent: %s", err) + return + } + + defer resp.Body.Close() +} diff --git a/collector/metrics/prometheus_sink.go b/collector/metrics/prometheus_sink.go new file mode 100644 index 0000000000..e37fbc33d6 --- /dev/null +++ b/collector/metrics/prometheus_sink.go @@ -0,0 +1,110 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package metrics + +import ( + "sync" + + "github.com/pegasus-kv/collector/aggregate" + "github.com/prometheus/client_golang/prometheus" +) + +type prometheusMetricFamily struct { + metrics map[string]prometheus.Gauge +} + +func (f *prometheusMetricFamily) set(name string, value float64) { + f.metrics[name].Set(value) +} + +type prometheusSink struct { + tableMap map[int]*prometheusMetricFamily + + tableLock sync.RWMutex + + clusterMetric *prometheusMetricFamily + + allTrackedMetrics []string +} + +func newPrometheusSink() *prometheusSink { + sink := &prometheusSink{ + tableMap: make(map[int]*prometheusMetricFamily), + allTrackedMetrics: aggregate.AllMetrics(), + } + sink.clusterMetric = sink.newClusterMetricFamily() + + aggregate.AddHookAfterTableDropped(func(appID int) { + // remove the metrics family belongs to the table + sink.tableLock.Lock() + for _, gauge := range sink.tableMap[appID].metrics { + prometheus.Unregister(gauge) + } + delete(sink.tableMap, appID) + sink.tableLock.Unlock() + }) + return sink +} + +func (sink *prometheusSink) Report(stats []aggregate.TableStats, allStats aggregate.ClusterStats) { + for _, table := range stats { + sink.tableLock.Lock() + defer sink.tableLock.Unlock() + + var mfamily *prometheusMetricFamily + var found bool + if mfamily, found = sink.tableMap[table.AppID]; !found { + mfamily = sink.newTableMetricFamily(table.TableName) + // insert table metrics family + sink.tableMap[table.AppID] = mfamily + } + fillStatsIntoGauges(table.Stats, mfamily) + } + fillStatsIntoGauges(allStats.Stats, sink.clusterMetric) +} + +func fillStatsIntoGauges(stats map[string]float64, family *prometheusMetricFamily) { + for name, value := range stats { + family.set(name, value) + } +} + +func (sink *prometheusSink) newTableMetricFamily(tableName string) *prometheusMetricFamily { + return sink.newMetricFamily(map[string]string{"table": tableName, "entity": "table"}) +} + +func (sink *prometheusSink) newClusterMetricFamily() *prometheusMetricFamily { + return sink.newMetricFamily(map[string]string{"entity": "cluster"}) +} + +func (sink *prometheusSink) newMetricFamily(labels map[string]string) *prometheusMetricFamily { + mfamily := &prometheusMetricFamily{ + metrics: make(map[string]prometheus.Gauge), + } + for _, m := range sink.allTrackedMetrics { + // create and register a gauge + opts := prometheus.GaugeOpts{ + Name: m, + ConstLabels: labels, + } + gauge := prometheus.NewGauge(opts) + prometheus.MustRegister(gauge) + mfamily.metrics[m] = gauge + } + return mfamily +} diff --git a/collector/metrics/sink.go b/collector/metrics/sink.go new file mode 100644 index 0000000000..fbe590e86b --- /dev/null +++ b/collector/metrics/sink.go @@ -0,0 +1,53 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package metrics + +import ( + "github.com/pegasus-kv/collector/aggregate" + log "github.com/sirupsen/logrus" + "github.com/spf13/viper" +) + +// Sink is the destination where the metrics are reported to. +type Sink interface { + + // Report the snapshot of metrics to the monitoring system. The report can possibly fail. + Report(stats []aggregate.TableStats, allStats aggregate.ClusterStats) +} + +// NewSink creates a Sink which reports metrics to the configured monitoring system. +func NewSink() Sink { + var sink Sink + cfgSink := viper.Get("metrics.sink") + if cfgSink == "falcon" { + sink = newFalconSink() + } else if cfgSink == "prometheus" { + sink = newPrometheusSink() + } else { + log.Fatalf("invalid metrics_sink = %s", cfgSink) + return nil + } + + aggregate.AddHookAfterTableStatEmitted(func(stats []aggregate.TableStats, allStats aggregate.ClusterStats) { + go func() { + sink.Report(stats, allStats) + }() + }) + + return sink +} diff --git a/collector/templates/index.html b/collector/templates/index.html new file mode 100644 index 0000000000..fc3de7aa15 --- /dev/null +++ b/collector/templates/index.html @@ -0,0 +1,80 @@ + + + + + + + + + + Pegasus Collector + + + + +
+
+

Cluster Stats

+ + + + + {{range .PerfIDs}} + + {{end}} + + + + {{range .PerfCounters}} + + + {{range .Values}} + + {{end}} + + {{end}} + +
Perf-Counter{{.}}
{{.PerfCounter}}{{.}}
+
+
+

Tables

+ + + + + + + + + {{range .Tables}} + + + + {{end}} + +
Table NameLink
{{.TableName}}
+
+
+ + \ No newline at end of file diff --git a/collector/usage/usage_recorder.go b/collector/usage/usage_recorder.go new file mode 100644 index 0000000000..6a6784d39f --- /dev/null +++ b/collector/usage/usage_recorder.go @@ -0,0 +1,115 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package usage + +import ( + "context" + "fmt" + "time" + + "github.com/apache/incubator-pegasus/go-client/pegasus" + "github.com/pegasus-kv/collector/aggregate" + log "github.com/sirupsen/logrus" + "github.com/spf13/viper" + "gopkg.in/tomb.v2" +) + +// TableUsageRecorder records the usage of each table into a Pegasus table. +// The usage statistics can be used for service cost calculation. +type TableUsageRecorder interface { + + // Start recording until the ctx cancelled. This method will block the current thread. + Start(tom *tomb.Tomb) +} + +// NewTableUsageRecorder returns an instance of TableUsageRecorder +func NewTableUsageRecorder() TableUsageRecorder { + return &tableUsageRecorder{ + usageStatApp: viper.GetString("usage_stat_app"), + } +} + +type tableUsageRecorder struct { + client pegasus.Client + table pegasus.TableConnector + + usageStatApp string +} + +func (rec *tableUsageRecorder) Start(tom *tomb.Tomb) { + if rec.usageStatApp == "" { + // if no stat app is specified, usage recorder is considered as disabled. + return + } + + metaServer := viper.GetString("meta_server") + rec.client = pegasus.NewClient(pegasus.Config{MetaServers: []string{metaServer}}) + for { + var err error + rec.table, err = rec.client.OpenTable(tom.Context(context.TODO()), rec.usageStatApp) + if err != nil { + // retry indefinitely + log.Errorf("failed to open table: %s", err.Error()) + sleepWait(tom, 15*time.Second) + continue + } + break + } + + aggregate.AddHookAfterTableStatEmitted(func(stats []aggregate.TableStats, allStat aggregate.ClusterStats) { + rootCtx := tom.Context(context.TODO()) + for _, s := range stats { + rec.writeTableUsage(rootCtx, &s) + } + }) +} + +func sleepWait(tom *tomb.Tomb, waitTime time.Duration) { + ticker := time.NewTicker(waitTime) + select { + case <-tom.Dying(): + return + case <-ticker.C: + } +} + +func (rec *tableUsageRecorder) writeTableUsage(ctx context.Context, tb *aggregate.TableStats) { + hashKey := []byte(fmt.Sprintf("%d", tb.Timestamp.Unix())) + sortkey := []byte("cu") + + readCU := tb.Stats["recent_read_cu"] + writeCU := tb.Stats["recent_write_cu"] + value := []byte(fmt.Sprintf("{\"%d\":[%f, %f]}", tb.AppID, readCU, writeCU)) + + go func() { + maxRetryCount := 10 + for maxRetryCount > 0 { + // TODO(wutao): set rpc timeout + err := rec.table.Set(ctx, hashKey, sortkey, value) + if err == nil { + break + } + log.Errorf("failed to write cu [timestamp: %s, appid: %d, readcu: %f, writecu: %f]", + tb.Timestamp.Local().String(), + tb.AppID, + readCU, + writeCU) + maxRetryCount-- + } + }() +} diff --git a/collector/webui/index.go b/collector/webui/index.go new file mode 100644 index 0000000000..0c0d26ff4b --- /dev/null +++ b/collector/webui/index.go @@ -0,0 +1,84 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package webui + +import ( + "github.com/kataras/iris/v12" + "github.com/pegasus-kv/collector/aggregate" +) + +var indexPageClusterStats = []string{ + "write_bytes", + "read_bytes", + "write_qps", + "read_qps", +} + +func renderIndexClusterCharts(ctx iris.Context) { + type perfCounterHTML struct { + PerfCounter string + Values []float64 + } + var PerfCounters []*perfCounterHTML + + snapshots := aggregate.SnapshotClusterStats() + for _, s := range indexPageClusterStats { + PerfCounters = append(PerfCounters, &perfCounterHTML{ + PerfCounter: s, + }) + p := PerfCounters[len(PerfCounters)-1] + for _, snapshot := range snapshots { + if v, found := snapshot.Stats[s]; found { + p.Values = append(p.Values, v) + } + } + } + ctx.ViewData("PerfCounters", PerfCounters) + + var PerfIDs []string + for _, sn := range snapshots { + PerfIDs = append(PerfIDs, sn.Timestamp.Format("15:04:00")) + } + ctx.ViewData("PerfIDs", PerfIDs) +} + +func indexHandler(ctx iris.Context) { + renderIndexClusterCharts(ctx) + + // metaClient := client(viper.GetString("meta_server")) + // tables, err := metaClient.ListTables() + // if err != nil { + // ctx.ResponseWriter().WriteString("Failed to list tables from MetaServer") + // ctx.StatusCode(iris.StatusInternalServerError) + // return + // } + // type tableHTMLRow struct { + // TableName string + // Link string + // } + // var Tables []tableHTMLRow + // for _, tb := range tables { + // Tables = append(Tables, tableHTMLRow{TableName: tb.TableName}) + // } + // ctx.ViewData("Tables", Tables) + + err := ctx.View("index.html") + if err != nil { + return + } +} diff --git a/collector/webui/tables.go b/collector/webui/tables.go new file mode 100644 index 0000000000..04bb5b10e3 --- /dev/null +++ b/collector/webui/tables.go @@ -0,0 +1,47 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package webui + +import ( + "github.com/kataras/iris/v12" +) + +func tablesHandler(ctx iris.Context) { + // metaClient := client.NewMetaClient(viper.GetString("meta_server")) + // tables, err := metaClient.ListTables() + // if err != nil { + // ctx.ResponseWriter().WriteString("Failed to list tables from MetaServer") + // ctx.StatusCode(iris.StatusInternalServerError) + // return + // } + + // type tableHTMLRow struct { + // TableName string + // Link string + // } + // var Tables []tableHTMLRow + // for _, tb := range tables { + // Tables = append(Tables, tableHTMLRow{TableName: tb.TableName}) + // } + // ctx.ViewData("Tables", Tables) + + err := ctx.View("tables.html") + if err != nil { + return + } +} diff --git a/collector/webui/webserver.go b/collector/webui/webserver.go new file mode 100644 index 0000000000..8c13dda9cf --- /dev/null +++ b/collector/webui/webserver.go @@ -0,0 +1,61 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package webui + +import ( + "context" + "time" + + "github.com/kataras/iris/v12" + "github.com/prometheus/client_golang/prometheus/promhttp" +) + +// StartWebServer starts an iris-powered HTTP server. +func StartWebServer() { + app := iris.New() + app.Get("/", indexHandler) + app.Get("/tables", tablesHandler) + app.Get("/metrics", func(ctx iris.Context) { + handler := promhttp.Handler() + handler.ServeHTTP(ctx.ResponseWriter(), ctx.Request()) + }) + + iris.RegisterOnInterrupt(func() { + // gracefully shutdown on interrupt + timeout := 5 * time.Second + ctx, cancel := context.WithTimeout(context.Background(), timeout) + defer cancel() + err := app.Shutdown(ctx) + if err != nil { + return + } + }) + + // Register the view engine to the views, + // this will load the templates. + tmpl := iris.HTML("./templates", ".html") + tmpl.Reload(true) + app.RegisterView(tmpl) + + go func() { + err := app.Listen(":8080") + if err != nil { + return + } + }() +}