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* basic working example * increase default sample backoff to 1.25s * increase check frequency * tests for ready * review feedback * finish initial implementation * sign drone * fix lint issues * Update pkg/crow/samples.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| FROM golang:1.16-buster as build | ||
| COPY . /src/agent | ||
| WORKDIR /src/agent | ||
| ARG RELEASE_BUILD=true | ||
| ARG IMAGE_TAG | ||
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| RUN make clean && make IMAGE_TAG=${IMAGE_TAG} RELEASE_BUILD=${RELEASE_BUILD} BUILD_IN_CONTAINER=false grafana-agent-crow | ||
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| FROM debian:buster-slim | ||
| COPY --from=build /src/agent/cmd/grafana-agent-crow/grafana-agent-crow /bin/grafana-agent-crow | ||
| ENTRYPOINT ["/bin/grafana-agent-crow"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| FROM --platform=$BUILDPLATFORM rfratto/seego:latest as build | ||
| ARG TARGETPLATFORM | ||
| ARG BUILDPLATFORM | ||
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| # Use custom Go version instead of one prepacked in seego | ||
| ENV GOLANG_VERSION 1.16 | ||
| ENV GOLANG_DOWNLOAD_URL https://golang.org/dl/go$GOLANG_VERSION.linux-amd64.tar.gz | ||
| ENV GOLANG_DOWNLOAD_SHA256 013a489ebb3e24ef3d915abe5b94c3286c070dfe0818d5bca8108f1d6e8440d2 | ||
| RUN rm -rf /usr/local/go \ | ||
| && curl -fsSL "$GOLANG_DOWNLOAD_URL" -o golang.tar.gz \ | ||
| && echo "$GOLANG_DOWNLOAD_SHA256 golang.tar.gz" | sha256sum -c - \ | ||
| && tar -C /usr/local -xzf golang.tar.gz \ | ||
| && rm golang.tar.gz | ||
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| COPY . /src/agent | ||
| WORKDIR /src/agent | ||
| ARG RELEASE_BUILD=true | ||
| ARG IMAGE_TAG | ||
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| RUN make clean && IMAGE_TAG=${IMAGE_TAG} RELEASE_BUILD=${RELEASE_BUILD} BUILD_IN_CONTAINER=false DRONE=true make grafana-agent-crow | ||
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| FROM debian:buster-slim | ||
| COPY --from=build /src/agent/cmd/grafana-agent-crow/grafana-agent-crow /bin/grafana-agent-crow | ||
| ENTRYPOINT ["/bin/grafana-agent-crow"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // Comand grafana-agent-crow is a correctness checker tool that validates that | ||
| // scraped metrics are delivered to a remote_write endpoint. Inspired by Loki | ||
| // Canary and Cortex test-exporter. | ||
| package main | ||
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| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
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| // Adds version information | ||
| _ "github.com/grafana/agent/pkg/build" | ||
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| "github.com/go-kit/kit/log/level" | ||
| "github.com/grafana/agent/pkg/crow" | ||
| "github.com/grafana/agent/pkg/util" | ||
| "github.com/prometheus/client_golang/prometheus" | ||
| "github.com/prometheus/client_golang/prometheus/promhttp" | ||
| "github.com/prometheus/common/version" | ||
| "github.com/weaveworks/common/server" | ||
| ) | ||
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| func init() { | ||
| prometheus.MustRegister(version.NewCollector("grafana_agent_crow")) | ||
| } | ||
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| func main() { | ||
| var ( | ||
| fs = flag.NewFlagSet(os.Args[0], flag.ExitOnError) | ||
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| serverCfg server.Config | ||
| crowCfg crow.Config | ||
| showVersion bool | ||
| ) | ||
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| serverCfg.RegisterFlags(fs) | ||
| crowCfg.RegisterFlagsWithPrefix(fs, "crow.") | ||
| fs.BoolVar(&showVersion, "version", false, "show version") | ||
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| if err := fs.Parse(os.Args[1:]); err != nil { | ||
| fmt.Fprintln(os.Stderr, "failed to parse flags", err) | ||
| os.Exit(1) | ||
| } | ||
| if showVersion { | ||
| fmt.Println(version.Print(os.Args[0])) | ||
| os.Exit(0) | ||
| } | ||
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| l := util.NewLogger(&serverCfg) | ||
| crowCfg.Log = l | ||
| serverCfg.Log = util.GoKitLogger(l) | ||
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| s, err := server.New(serverCfg) | ||
| if err != nil { | ||
| level.Error(l).Log("msg", "failed to initialize server", "err", err) | ||
| os.Exit(1) | ||
| } | ||
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| c, err := crow.New(crowCfg) | ||
| if err != nil { | ||
| level.Error(l).Log("msg", "failed to initialize crow", "err", err) | ||
| os.Exit(1) | ||
| } | ||
| defer c.Stop() | ||
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| // The server comes with a /metrics endpoint by default using s.Registerer. | ||
| // Create a /validate endpoint to handle our validation metrics. | ||
| validator := prometheus.NewRegistry() | ||
| s.HTTP.Handle("/validate", promhttp.HandlerFor(validator, promhttp.HandlerOpts{ | ||
| EnableOpenMetrics: true, | ||
| })) | ||
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| // Register crow's metrics to /metrics and /valiate respectively. | ||
| s.Registerer.MustRegister(c.StateMetrics()) | ||
| validator.MustRegister(c.TestMetrics()) | ||
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| if err := s.Run(); err != nil { | ||
| level.Error(l).Log("msg", "server exited with error", "err", err) | ||
| os.Exit(1) | ||
| } | ||
| } |
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