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* CHANGELOG.md: release v0.18.0 Signed-off-by: Lucas Servén Marín <[email protected]> * VERSION,tutorials: bump versions Signed-off-by: Lucas Servén Marín <[email protected]> * Revert "VERSION,tutorials: bump versions" This reverts commit 5a27c70. The "thanos:" prefix for the container images was accidentally removed. Signed-off-by: Lucas Servén Marín <[email protected]> * VERSION,tutorials: bump version for all images Signed-off-by: Lucas Servén Marín <[email protected]> * CHANGELOG: bump release date Signed-off-by: Lucas Servén Marín <[email protected]> * pkg/rules/proxy: fix hotlooping when receiving client errors Currently, if we receive an error from the underlying client stream, we continue with trying to receive additional data. This causes a hotloop as we will receive the same error again. This fixes it by returning in the error case and adds a unit test for the proxy logic. Fixes #3717 Signed-off-by: Sergiusz Urbaniak <[email protected]> * CHANGELOG.md: fix changelog to incorporate new fix (#3737) This commit fixes the order of the changelog to properly reflect a recent change. Signed-off-by: Lucas Servén Marín <[email protected]> * Fixed website and added new step for release process (tmp). (#3738) Signed-off-by: Bartlomiej Plotka <[email protected]> * CHANGELOG.md: update v0.18.0 release date Signed-off-by: Lucas Servén Marín <[email protected]> Co-authored-by: Sergiusz Urbaniak <[email protected]> Co-authored-by: Bartlomiej Plotka <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 0.18.0-dev | ||
| 0.18.0 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| // Copyright (c) The Thanos Authors. | ||
| // Licensed under the Apache License 2.0. | ||
|
|
||
| package rules | ||
|
|
||
| import ( | ||
| "context" | ||
| "io" | ||
| "os" | ||
| "reflect" | ||
| "testing" | ||
|
|
||
| "github.com/go-kit/kit/log" | ||
| "github.com/pkg/errors" | ||
| "github.com/thanos-io/thanos/pkg/rules/rulespb" | ||
| "github.com/thanos-io/thanos/pkg/store/storepb" | ||
| "google.golang.org/grpc" | ||
| ) | ||
|
|
||
| type testRulesClient struct { | ||
| grpc.ClientStream | ||
| rulesErr, recvErr error | ||
| response *rulespb.RulesResponse | ||
| sentResponse bool | ||
| } | ||
|
|
||
| func (t *testRulesClient) String() string { | ||
| return "test" | ||
| } | ||
|
|
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| func (t *testRulesClient) Recv() (*rulespb.RulesResponse, error) { | ||
| // A simulation of underlying grpc Recv behavior as per https://github.com/grpc/grpc-go/blob/7f2581f910fc21497091c4109b56d310276fc943/stream.go#L117-L125. | ||
| if t.recvErr != nil { | ||
| return nil, t.recvErr | ||
| } | ||
|
|
||
| if t.sentResponse { | ||
| return nil, io.EOF | ||
| } | ||
| t.sentResponse = true | ||
|
|
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| return t.response, nil | ||
| } | ||
|
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| func (t *testRulesClient) Rules(ctx context.Context, in *rulespb.RulesRequest, opts ...grpc.CallOption) (rulespb.Rules_RulesClient, error) { | ||
| return t, t.rulesErr | ||
| } | ||
|
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| var _ rulespb.RulesClient = &testRulesClient{} | ||
|
|
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| type testRulesServer struct { | ||
| grpc.ServerStream | ||
| sendErr error | ||
| response *rulespb.RulesResponse | ||
| } | ||
|
|
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| func (t *testRulesServer) String() string { | ||
| return "test" | ||
| } | ||
|
|
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| func (t *testRulesServer) Send(response *rulespb.RulesResponse) error { | ||
| if t.sendErr != nil { | ||
| return t.sendErr | ||
| } | ||
| t.response = response | ||
| return nil | ||
| } | ||
|
|
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| func (t *testRulesServer) Context() context.Context { | ||
| return context.Background() | ||
| } | ||
|
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| func TestProxy(t *testing.T) { | ||
| logger := log.NewLogfmtLogger(os.Stderr) | ||
|
|
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| for _, tc := range []struct { | ||
| name string | ||
| request *rulespb.RulesRequest | ||
| client rulespb.RulesClient | ||
| server *testRulesServer | ||
| wantResponse *rulespb.RulesResponse | ||
| wantError error | ||
| }{ | ||
| { | ||
| name: "rule group proxy success", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: rulespb.NewRuleGroupRulesResponse(&rulespb.RuleGroup{ | ||
| Name: "foo", | ||
| }), | ||
| recvErr: nil, | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantResponse: rulespb.NewRuleGroupRulesResponse(&rulespb.RuleGroup{ | ||
| Name: "foo", | ||
| }), | ||
| }, | ||
| { | ||
| name: "warning proxy success", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: rulespb.NewWarningRulesResponse(errors.New("warning from client")), | ||
| recvErr: nil, | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantResponse: rulespb.NewWarningRulesResponse(errors.New("warning from client")), | ||
| }, | ||
| { | ||
| name: "warn: retreiving rules client failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| rulesErr: errors.New("retreiving rules failed"), | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantResponse: rulespb.NewWarningRulesResponse(errors.New("fetching rules from rules client test: retreiving rules failed")), | ||
| }, | ||
| { | ||
| name: "warn: retreiving rules client failed, forward warning failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| rulesErr: errors.New("retreiving rules failed"), | ||
| }, | ||
| server: &testRulesServer{ | ||
| sendErr: errors.New("forwarding warning response failed"), | ||
| }, | ||
| wantError: errors.New("forwarding warning response failed"), | ||
| }, | ||
| { | ||
| name: "abort: retreiving rules client failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_ABORT, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| rulesErr: errors.New("retreiving rules failed"), | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantError: errors.New("fetching rules from rules client test: retreiving rules failed"), | ||
| }, | ||
| { | ||
| name: "warn: receive failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| recvErr: errors.New("503 from Prometheus"), | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantResponse: rulespb.NewWarningRulesResponse(errors.New("receiving rules from rules client test: 503 from Prometheus")), | ||
| }, | ||
| { | ||
| name: "warn: receive failed, forward warning failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| recvErr: errors.New("503 from Prometheus"), | ||
| }, | ||
| server: &testRulesServer{ | ||
| sendErr: errors.New("forwarding warning response failed"), | ||
| }, | ||
| wantError: errors.New("sending rules error to server test: forwarding warning response failed"), | ||
| }, | ||
| { | ||
| name: "abort: receive failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_ABORT, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: nil, | ||
| recvErr: errors.New("503 from Prometheus"), | ||
| }, | ||
| server: &testRulesServer{}, | ||
| wantError: errors.New("receiving rules from rules client test: 503 from Prometheus"), | ||
| }, | ||
| { | ||
| name: "send failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: rulespb.NewRuleGroupRulesResponse(&rulespb.RuleGroup{ | ||
| Name: "foo", | ||
| }), | ||
| recvErr: nil, | ||
| }, | ||
| server: &testRulesServer{ | ||
| sendErr: errors.New("sending message failed"), | ||
| }, | ||
| wantError: errors.New("rpc error: code = Unknown desc = send rules response: sending message failed"), | ||
| }, | ||
| { | ||
| name: "sending warning response failed", | ||
| request: &rulespb.RulesRequest{ | ||
| Type: rulespb.RulesRequest_ALL, | ||
| PartialResponseStrategy: storepb.PartialResponseStrategy_WARN, | ||
| }, | ||
| client: &testRulesClient{ | ||
| response: rulespb.NewWarningRulesResponse(errors.New("warning from client")), | ||
| recvErr: nil, | ||
| }, | ||
| server: &testRulesServer{ | ||
| sendErr: errors.New("sending message failed"), | ||
| }, | ||
| wantError: errors.New("sending rules warning to server test: sending message failed"), | ||
| }, | ||
| } { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| p := NewProxy(logger, func() []rulespb.RulesClient { | ||
| return []rulespb.RulesClient{tc.client} | ||
| }) | ||
|
|
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| err := p.Rules(tc.request, tc.server) | ||
| gotErr := "<nil>" | ||
| if err != nil { | ||
| gotErr = err.Error() | ||
| } | ||
| wantErr := "<nil>" | ||
| if tc.wantError != nil { | ||
| wantErr = tc.wantError.Error() | ||
| } | ||
|
|
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| if gotErr != wantErr { | ||
| t.Errorf("want error %q, got %q", wantErr, gotErr) | ||
| } | ||
|
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| if !reflect.DeepEqual(tc.wantResponse, tc.server.response) { | ||
| t.Errorf("want response %v, got %v", tc.wantResponse, tc.server.response) | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| #!/usr/bin/env bash | ||
|
|
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| docker pull quay.io/prometheus/prometheus:v2.16.0 | ||
| docker pull quay.io/thanos/thanos:v0.17.2 | ||
| docker pull quay.io/thanos/thanos:v0.18.0 |
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