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feat: support deploy resourceconsist indivisually (#40)
* feat: support deploy resourceconsist indivisually as a controller&webhook * feat: add Dockerfile
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| # Build the manager binary | ||
| FROM golang:1.19-alpine3.17 as builder | ||
| ARG TARGETOS | ||
| ARG TARGETARCH | ||
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| WORKDIR /workspace | ||
| # Copy the Go Modules manifests | ||
| COPY go.mod go.mod | ||
| COPY go.sum go.sum | ||
| # cache deps before building and copying source so that we don't need to re-download as much | ||
| # and so that source changes don't invalidate our downloaded layer | ||
| RUN go mod download | ||
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| # Copy the go source | ||
| COPY main.go main.go | ||
| COPY pkg/ pkg/ | ||
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| # Build | ||
| # the GOARCH has not a default value to allow the binary be built according to the host where the command | ||
| # was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO | ||
| # the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore, | ||
| # by leaving it empty we can ensure that the container and binary shipped on it will have the same platform. | ||
| RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH:-amd64} go build -a -o manager main.go | ||
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| FROM alpine:3.17 | ||
| WORKDIR / | ||
| COPY --from=builder /workspace/manager . | ||
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| ENTRYPOINT ["/manager"] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| /* | ||
| Copyright 2023 The KusionStack Authors. | ||
| 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. | ||
| */ | ||
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| package main | ||
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| import ( | ||
| "context" | ||
| "flag" | ||
| "os" | ||
| "path/filepath" | ||
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| "github.com/spf13/pflag" | ||
| "k8s.io/apiserver/pkg/util/feature" | ||
| clientgoscheme "k8s.io/client-go/kubernetes/scheme" | ||
| "k8s.io/klog/v2" | ||
| "k8s.io/klog/v2/klogr" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/healthz" | ||
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| "kusionstack.io/resourceconsist/pkg/adapters" | ||
| "kusionstack.io/resourceconsist/pkg/frame/webhook" | ||
| ) | ||
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| var ( | ||
| scheme = clientgoscheme.Scheme | ||
| setupLog = ctrl.Log.WithName("setup") | ||
| ) | ||
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| func main() { | ||
| var ( | ||
| metricsAddr string | ||
| enableLeaderElection bool | ||
| probeAddr string | ||
| certDir string | ||
| dnsName string | ||
| ) | ||
| flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.") | ||
| flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.") | ||
| flag.BoolVar(&enableLeaderElection, "leader-elect", false, | ||
| "Enable leader election for controller manager. "+ | ||
| "Enabling this will ensure there is only one active controller manager.") | ||
| flag.StringVar(&certDir, "cert-dir", webhookTempCertDir(), "The directory that contains the server key and certificate. If not set, webhook server would look up the server key and certificate in {TempDir}/k8s-webhook-server/serving-certs") | ||
| flag.StringVar(&dnsName, "dns-name", "reosurceconsist-manager.resourceconsist.svc", "The DNS name of the webhook server.") | ||
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| klog.InitFlags(nil) | ||
| defer klog.Flush() | ||
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| feature.DefaultMutableFeatureGate.AddFlag(pflag.CommandLine) | ||
| pflag.CommandLine.AddGoFlagSet(flag.CommandLine) | ||
| pflag.Parse() | ||
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| ctrl.SetLogger(klogr.New()) | ||
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| config := ctrl.GetConfigOrDie() | ||
| mgr, err := ctrl.NewManager(config, ctrl.Options{ | ||
| Scheme: scheme, | ||
| MetricsBindAddress: metricsAddr, | ||
| Port: 9443, | ||
| HealthProbeBindAddress: probeAddr, | ||
| LeaderElection: enableLeaderElection, | ||
| LeaderElectionID: "resourceconsist-manager", | ||
| CertDir: certDir, | ||
| Logger: ctrl.Log, | ||
| }) | ||
| if err != nil { | ||
| setupLog.Error(err, "unable to start manager") | ||
| os.Exit(1) | ||
| } | ||
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| if err = adapters.AddAllBuiltinControllerAdatersToMgr(mgr); err != nil { | ||
| setupLog.Error(err, "unable to add controller") | ||
| os.Exit(1) | ||
| } | ||
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| if err = adapters.AddAllBuiltinWebhookAdaptersToMgr(mgr); err != nil { | ||
| setupLog.Error(err, "unable to add webhook") | ||
| os.Exit(1) | ||
| } | ||
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| // +kubebuilder:scaffold:builder | ||
| setupLog.Info("initialize webhook") | ||
| if err := webhook.Initialize(context.Background(), config, dnsName, certDir); err != nil { | ||
| setupLog.Error(err, "unable to initialize webhook") | ||
| os.Exit(1) | ||
| } | ||
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| if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil { | ||
| setupLog.Error(err, "unable to set up health check") | ||
| os.Exit(1) | ||
| } | ||
| if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil { | ||
| setupLog.Error(err, "unable to set up ready check") | ||
| os.Exit(1) | ||
| } | ||
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| setupLog.Info("starting manager") | ||
| if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil { | ||
| setupLog.Error(err, "problem running manager") | ||
| os.Exit(1) | ||
| } | ||
| } | ||
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| func webhookTempCertDir() string { | ||
| return filepath.Join(os.TempDir(), "k8s-webhook-server", "serving-certs") | ||
| } |
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