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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| // | ||
| // DISCLAIMER | ||
| // | ||
| // Copyright 2024 ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Licensed 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. | ||
| // | ||
| // Copyright holder is ArangoDB GmbH, Cologne, Germany | ||
| // | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "github.com/spf13/cobra" | ||
|
|
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| "github.com/arangodb/kube-arangodb/pkg/scheduler" | ||
| ) | ||
|
|
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| func init() { | ||
| cmd := &cobra.Command{ | ||
| Use: "scheduler", | ||
| } | ||
|
|
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| if err := scheduler.InitCommand(cmd); err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
|
||
| cmdMain.AddCommand(cmd) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| // | ||
| // DISCLAIMER | ||
| // | ||
| // Copyright 2024 ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Licensed 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. | ||
| // | ||
| // Copyright holder is ArangoDB GmbH, Cologne, Germany | ||
| // | ||
|
|
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| package logging | ||
|
|
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "strings" | ||
| "sync" | ||
|
|
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| "github.com/rs/zerolog" | ||
| "github.com/spf13/cobra" | ||
|
|
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| "github.com/arangodb/kube-arangodb/pkg/util/errors" | ||
| ) | ||
|
|
||
| const ( | ||
| defaultLogLevel = "info" | ||
| ) | ||
|
|
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| var ( | ||
| enableLock sync.Mutex | ||
| enabled bool | ||
|
|
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| cli struct { | ||
| format string | ||
| levels []string | ||
| sampling bool | ||
| } | ||
| ) | ||
|
|
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| func Init(cmd *cobra.Command) error { | ||
| f := cmd.PersistentFlags() | ||
|
|
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| f.StringVar(&cli.format, "log.format", "pretty", "Set log format. Allowed values: 'pretty', 'JSON'. If empty, default format is used") | ||
| f.StringArrayVar(&cli.levels, "log.level", []string{defaultLogLevel}, fmt.Sprintf("Set log levels in format <level> or <logger>=<level>. Possible loggers: %s", strings.Join(Global().Names(), ", "))) | ||
| f.BoolVar(&cli.sampling, "log.sampling", true, "If true, operator will try to minimize duplication of logging events") | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func Enable() error { | ||
| enableLock.Lock() | ||
| defer enableLock.Unlock() | ||
|
|
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| if enabled { | ||
| return errors.Errorf("Logger already enabled") | ||
| } | ||
|
|
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| levels, err := ParseLogLevelsFromArgs(cli.levels) | ||
| if err != nil { | ||
| return errors.WithMessagef(err, "Unable to parse levels") | ||
| } | ||
|
|
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| // Set root logger to stdout (JSON formatted) if not prettified | ||
| if strings.ToUpper(cli.format) == "JSON" { | ||
| Global().SetRoot(zerolog.New(os.Stdout).With().Timestamp().Logger()) | ||
| } else if strings.ToLower(cli.format) != "pretty" && cli.format != "" { | ||
| return errors.Errorf("Unknown log format: %s", cli.format) | ||
| } | ||
| Global().Configure(Config{ | ||
| Levels: levels, | ||
| Sampling: cli.sampling, | ||
| }) | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| // | ||
| // DISCLAIMER | ||
| // | ||
| // Copyright 2024 ArangoDB GmbH, Cologne, Germany | ||
| // | ||
| // Licensed 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. | ||
| // | ||
| // Copyright holder is ArangoDB GmbH, Cologne, Germany | ||
| // | ||
|
|
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| package scheduler | ||
|
|
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| import ( | ||
| "context" | ||
| "os" | ||
| "strings" | ||
|
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| "github.com/spf13/cobra" | ||
| "sigs.k8s.io/yaml" | ||
|
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| "github.com/arangodb/kube-arangodb/pkg/logging" | ||
| "github.com/arangodb/kube-arangodb/pkg/util" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/constants" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/errors" | ||
| "github.com/arangodb/kube-arangodb/pkg/util/kclient" | ||
| ) | ||
|
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| func InitCommand(cmd *cobra.Command) error { | ||
| var c cli | ||
| return c.register(cmd) | ||
| } | ||
|
|
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| type cli struct { | ||
| Namespace string | ||
|
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| Labels []string | ||
| Envs []string | ||
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| Profiles []string | ||
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| Container string | ||
|
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| Image string | ||
| } | ||
|
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| func (c *cli) asRequest(args ...string) (Request, error) { | ||
| var r = Request{ | ||
| Labels: map[string]string{}, | ||
| Envs: map[string]string{}, | ||
| } | ||
|
|
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| for _, l := range c.Labels { | ||
| p := strings.SplitN(l, "=", 2) | ||
| if len(p) == 1 { | ||
| r.Labels[p[0]] = "" | ||
| logger.Debug("Label Discovered: %s", p[0]) | ||
| } else { | ||
| r.Labels[p[0]] = p[1] | ||
| logger.Debug("Label Discovered: %s=%s", p[0], p[1]) | ||
| } | ||
| } | ||
|
|
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| for _, l := range c.Envs { | ||
| p := strings.SplitN(l, "=", 2) | ||
| if len(p) == 1 { | ||
| return r, errors.Errorf("Missing value for env: %s", p[0]) | ||
| } else { | ||
| r.Envs[p[0]] = p[1] | ||
| logger.Debug("Env Discovered: %s=%s", p[0], p[1]) | ||
| } | ||
| } | ||
|
|
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| if len(c.Profiles) > 0 { | ||
| r.Profiles = c.Profiles | ||
| logger.Debug("Enabling profiles: %s", strings.Join(c.Profiles, ", ")) | ||
| } | ||
|
|
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| r.Container = util.NewType(c.Container) | ||
| if c.Image != "" { | ||
| r.Image = util.NewType(c.Image) | ||
| } | ||
|
|
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| r.Args = args | ||
|
|
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| return r, nil | ||
| } | ||
|
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| func (c *cli) register(cmd *cobra.Command) error { | ||
| if err := logging.Init(cmd); err != nil { | ||
| return err | ||
| } | ||
|
|
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| cmd.RunE = c.run | ||
|
|
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| f := cmd.PersistentFlags() | ||
|
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| f.StringVarP(&c.Namespace, "namespace", "n", constants.NamespaceWithDefault("default"), "Kubernetes namespace") | ||
| f.StringSliceVarP(&c.Labels, "label", "l", nil, "Scheduler Render Labels in format <key>=<value>") | ||
| f.StringSliceVarP(&c.Envs, "env", "e", nil, "Scheduler Render Envs in format <key>=<value>") | ||
| f.StringSliceVarP(&c.Profiles, "profile", "p", nil, "Scheduler Render Profiles") | ||
| f.StringVar(&c.Container, "container", DefaultContainerName, "Container Name") | ||
| f.StringVar(&c.Image, "image", "", "Image") | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func (c *cli) run(cmd *cobra.Command, args []string) error { | ||
| if err := logging.Enable(); err != nil { | ||
| return err | ||
| } | ||
|
|
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| r, err := c.asRequest() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| k, ok := kclient.GetDefaultFactory().Client() | ||
| if !ok { | ||
| return errors.Errorf("Unable to create Kubernetes Client") | ||
| } | ||
|
|
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| s := NewScheduler(k, c.Namespace) | ||
|
|
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| rendered, profiles, err := s.Render(context.Background(), r) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| logger.Debug("Enabled profiles: %s", strings.Join(profiles, ", ")) | ||
|
|
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| data, err := yaml.Marshal(rendered) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| if _, err := util.WriteAll(os.Stdout, data); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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