mirror of https://github.com/dapr/cli.git
538 lines
16 KiB
Go
538 lines
16 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kubernetes
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"time"
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helm "helm.sh/helm/v3/pkg/action"
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"helm.sh/helm/v3/pkg/chart"
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"helm.sh/helm/v3/pkg/chart/loader"
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"helm.sh/helm/v3/pkg/cli"
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v1 "k8s.io/api/core/v1"
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meta_v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/cli-runtime/pkg/genericclioptions"
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"k8s.io/helm/pkg/strvals"
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"github.com/dapr/cli/pkg/print"
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cli_ver "github.com/dapr/cli/pkg/version"
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"github.com/dapr/cli/utils"
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"github.com/dapr/dapr/pkg/client/clientset/versioned"
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)
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const (
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daprReleaseName = "dapr"
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dashboardReleaseName = "dapr-dashboard"
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latestVersion = "latest"
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bitnamiStableVersion = "17.14.5"
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// dev mode constants.
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thirdPartyDevNamespace = "default"
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zipkinChartName = "zipkin"
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redisChartName = "redis"
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zipkinReleaseName = "dapr-dev-zipkin"
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redisReleaseName = "dapr-dev-redis"
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redisVersion = "6.2.11"
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bitnamiHelmRepo = "https://charts.bitnami.com/bitnami"
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daprHelmRepo = "https://dapr.github.io/helm-charts"
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zipkinHelmRepo = "https://openzipkin.github.io/zipkin"
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stateStoreComponentName = "statestore"
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pubsubComponentName = "pubsub"
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zipkingConfigurationName = "appconfig"
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)
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type InitConfiguration struct {
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Version string
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DashboardVersion string
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Namespace string
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EnableMTLS bool
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EnableHA bool
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EnableDev bool
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Args []string
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Wait bool
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Timeout uint
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ImageRegistryURI string
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ImageVariant string
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RootCertificateFilePath string
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IssuerCertificateFilePath string
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IssuerPrivateKeyFilePath string
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}
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// Init deploys the Dapr operator using the supplied runtime version.
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func Init(config InitConfiguration) error {
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helmRepoDapr := utils.GetEnv("DAPR_HELM_REPO_URL", daprHelmRepo)
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err := installWithConsole(daprReleaseName, config.Version, helmRepoDapr, "Dapr control plane", config)
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if err != nil {
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return err
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}
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for _, dashboardClusterRole := range []string{"dashboard-reader", "dapr-dashboard"} {
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// Detect Dapr Dashboard using a cluster-level resource (not dependent on namespace).
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_, err = utils.RunCmdAndWait("kubectl", "describe", "clusterrole", dashboardClusterRole)
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if err == nil {
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// No need to install Dashboard since it is already present.
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// Charts for versions < 1.11 contain Dashboard already.
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return nil
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}
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}
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err = installWithConsole(dashboardReleaseName, config.DashboardVersion, helmRepoDapr, "Dapr dashboard", config)
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if err != nil {
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return err
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}
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if config.EnableDev {
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redisChartVals := []string{
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"image.tag=" + redisVersion,
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"replica.replicaCount=0",
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}
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err = installThirdPartyWithConsole(redisReleaseName, redisChartName, bitnamiStableVersion, bitnamiHelmRepo, "Dapr Redis", redisChartVals, config)
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if err != nil {
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return err
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}
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err = installThirdPartyWithConsole(zipkinReleaseName, zipkinChartName, latestVersion, zipkinHelmRepo, "Dapr Zipkin", []string{}, config)
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if err != nil {
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return err
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}
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err = initDevConfigs()
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if err != nil {
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return err
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}
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}
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return nil
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}
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func installThirdPartyWithConsole(releaseName, chartName, releaseVersion, helmRepo string, prettyName string, chartValues []string, config InitConfiguration) error {
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installSpinning := print.Spinner(os.Stdout, "Deploying the "+prettyName+" with "+releaseVersion+" version to your cluster...")
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defer installSpinning(print.Failure)
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// releaseVersion of chart will always be latest version.
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err := installThirdParty(releaseName, chartName, releaseVersion, helmRepo, chartValues, config)
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if err != nil {
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return err
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}
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installSpinning(print.Success)
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return nil
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}
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func installWithConsole(releaseName, releaseVersion, helmRepo string, prettyName string, config InitConfiguration) error {
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installSpinning := print.Spinner(os.Stdout, "Deploying the "+prettyName+" with "+releaseVersion+" version to your cluster...")
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defer installSpinning(print.Failure)
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err := install(releaseName, releaseVersion, helmRepo, config)
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if err != nil {
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return err
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}
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installSpinning(print.Success)
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return nil
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}
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func createNamespace(namespace string) error {
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_, client, err := GetKubeConfigClient()
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if err != nil {
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return fmt.Errorf("can't connect to a Kubernetes cluster: %w", err)
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}
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ns := &v1.Namespace{
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ObjectMeta: meta_v1.ObjectMeta{
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Name: namespace,
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},
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}
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// try to create the namespace if it doesn't exist. ok to ignore error.
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client.CoreV1().Namespaces().Create(context.TODO(), ns, meta_v1.CreateOptions{})
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return nil
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}
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func helmConfig(namespace string) (*helm.Configuration, error) {
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ac := helm.Configuration{}
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flags := &genericclioptions.ConfigFlags{
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Namespace: &namespace,
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}
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err := ac.Init(flags, namespace, "secret", debugLogf)
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return &ac, err
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}
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func getVersion(releaseName string, version string) (string, error) {
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actualVersion := version
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if version == latestVersion {
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var err error
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if releaseName == daprReleaseName {
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actualVersion, err = cli_ver.GetDaprVersion()
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} else if releaseName == dashboardReleaseName {
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actualVersion, err = cli_ver.GetDashboardVersion()
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} else {
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return "", fmt.Errorf("cannot get latest version for unknown chart: %s", releaseName)
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}
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if err != nil {
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return "", fmt.Errorf("cannot get the latest release version: %w", err)
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}
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actualVersion = strings.TrimPrefix(actualVersion, "v")
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}
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return actualVersion, nil
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}
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func createTempDir() (string, error) {
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dir, err := os.MkdirTemp("", "dapr")
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if err != nil {
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return "", fmt.Errorf("error creating temp dir: %w", err)
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}
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return dir, nil
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}
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func locateChartFile(dirPath string) (string, error) {
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files, err := os.ReadDir(dirPath)
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if err != nil {
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return "", err
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}
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return filepath.Join(dirPath, files[0].Name()), nil
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}
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func getHelmChart(version, releaseName, helmRepo string, config *helm.Configuration) (*chart.Chart, error) {
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pull := helm.NewPullWithOpts(helm.WithConfig(config))
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pull.RepoURL = helmRepo
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pull.Username = utils.GetEnv("DAPR_HELM_REPO_USERNAME", "")
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pull.Password = utils.GetEnv("DAPR_HELM_REPO_PASSWORD", "")
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pull.Settings = &cli.EnvSettings{}
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if version != latestVersion && (releaseName == daprReleaseName || releaseName == dashboardReleaseName || releaseName == redisChartName) {
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pull.Version = chartVersion(version)
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}
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dir, err := createTempDir()
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if err != nil {
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return nil, err
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}
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defer os.RemoveAll(dir)
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pull.DestDir = dir
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_, err = pull.Run(releaseName)
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if err != nil {
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return nil, err
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}
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chartPath, err := locateChartFile(dir)
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if err != nil {
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return nil, err
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}
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return loader.Load(chartPath)
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}
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func daprChartValues(config InitConfiguration, version string) (map[string]interface{}, error) {
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chartVals := map[string]interface{}{}
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err := utils.ValidateImageVariant(config.ImageVariant)
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if err != nil {
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return nil, err
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}
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helmVals := []string{
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fmt.Sprintf("global.ha.enabled=%t", config.EnableHA),
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fmt.Sprintf("global.mtls.enabled=%t", config.EnableMTLS),
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"global.tag=" + utils.GetVariantVersion(version, config.ImageVariant),
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}
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if len(config.ImageRegistryURI) != 0 {
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helmVals = append(helmVals, "global.registry="+config.ImageRegistryURI)
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}
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helmVals = append(helmVals, config.Args...)
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if config.RootCertificateFilePath != "" && config.IssuerCertificateFilePath != "" && config.IssuerPrivateKeyFilePath != "" {
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rootCertBytes, issuerCertBytes, issuerKeyBytes, err := parseCertificateFiles(
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config.RootCertificateFilePath,
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config.IssuerCertificateFilePath,
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config.IssuerPrivateKeyFilePath,
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)
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if err != nil {
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return nil, err
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}
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helmVals = append(helmVals, "dapr_sentry.tls.root.certPEM="+string(rootCertBytes),
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"dapr_sentry.tls.issuer.certPEM="+string(issuerCertBytes),
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"dapr_sentry.tls.issuer.keyPEM="+string(issuerKeyBytes),
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)
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}
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for _, v := range helmVals {
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if err := strvals.ParseInto(v, chartVals); err != nil {
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return nil, err
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}
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}
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return chartVals, nil
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}
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func install(releaseName, releaseVersion, helmRepo string, config InitConfiguration) error {
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err := createNamespace(config.Namespace)
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if err != nil {
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return err
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}
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helmConf, err := helmConfig(config.Namespace)
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if err != nil {
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return err
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}
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daprChart, err := getHelmChart(releaseVersion, releaseName, helmRepo, helmConf)
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if err != nil {
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return err
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}
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version, err := getVersion(releaseName, releaseVersion)
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if err != nil {
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return err
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}
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if releaseName == daprReleaseName {
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err = applyCRDs("v" + version)
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if err != nil {
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return err
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}
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}
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installClient := helm.NewInstall(helmConf)
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installClient.ReleaseName = releaseName
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installClient.Namespace = config.Namespace
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installClient.Wait = config.Wait
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installClient.Timeout = time.Duration(config.Timeout) * time.Second //nolint:gosec
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values, err := daprChartValues(config, version)
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if err != nil {
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return err
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}
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if _, err = installClient.Run(daprChart, values); err != nil {
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return err
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}
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return nil
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}
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func installThirdParty(releaseName, chartName, releaseVersion, helmRepo string, chartVals []string, config InitConfiguration) error {
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helmConf, err := helmConfig(thirdPartyDevNamespace)
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if err != nil {
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return err
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}
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helmChart, err := getHelmChart(releaseVersion, chartName, helmRepo, helmConf)
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if err != nil {
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return err
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}
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installClient := helm.NewInstall(helmConf)
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installClient.ReleaseName = releaseName
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installClient.Namespace = thirdPartyDevNamespace
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installClient.Wait = config.Wait
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installClient.Timeout = time.Duration(config.Timeout) * time.Second //nolint:gosec
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values := map[string]interface{}{}
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for _, val := range chartVals {
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if err = strvals.ParseInto(val, values); err != nil {
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return err
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}
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}
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if _, err = installClient.Run(helmChart, values); err != nil {
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return err
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}
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return nil
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}
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func debugLogf(format string, v ...interface{}) {
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}
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func confirmExist(cfg *helm.Configuration, releaseName string) (bool, error) {
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client := helm.NewGet(cfg)
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release, err := client.Run(releaseName)
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if release == nil {
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return false, nil
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}
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if err != nil {
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return false, err
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}
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return true, nil
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}
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func checkAndOverWriteFile(filePath string, b []byte) error {
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_, err := os.Stat(filePath)
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if os.IsNotExist(err) {
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// #nosec G306
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if err = os.WriteFile(filePath, b, 0o644); err != nil {
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return err
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}
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}
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return nil
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}
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func isComponentPresent(client versioned.Interface, namespace string, componentName string) (bool, error) {
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c, err := getComponent(client, namespace, componentName)
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if err != nil {
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return false, err
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}
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return c.Name == componentName, err
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}
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func isConfigurationPresent(client versioned.Interface, namespace string, configurationName string) (bool, error) {
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c, err := getDaprConfiguration(client, namespace, configurationName)
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if err != nil {
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return false, err
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}
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return c.Name == configurationName, nil
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}
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func initDevConfigs() error {
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redisStatestore := `
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apiVersion: dapr.io/v1alpha1
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kind: Component
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metadata:
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name: statestore
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spec:
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type: state.redis
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version: v1
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metadata:
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# These settings will work out of the box if you use helm install
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# bitnami/redis. If you have your own setup, replace
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# redis-master:6379 with your own Redis master address, and the
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# Redis password with your own Secret's name. For more information,
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# see https://docs.dapr.io/operations/components/component-secrets .
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- name: redisHost
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value: dapr-dev-redis-master:6379
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- name: redisPassword
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secretKeyRef:
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name: dapr-dev-redis
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key: redis-password
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auth:
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secretStore: kubernetes
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`
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redisPubsub := `
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apiVersion: dapr.io/v1alpha1
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kind: Component
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metadata:
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name: pubsub
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spec:
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type: pubsub.redis
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version: v1
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metadata:
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# These settings will work out of the box if you use helm install
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# bitnami/redis. If you have your own setup, replace
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# redis-master:6379 with your own Redis master address, and the
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# Redis password with your own Secret's name. For more information,
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# see https://docs.dapr.io/operations/components/component-secrets .
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- name: redisHost
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value: dapr-dev-redis-master:6379
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- name: redisPassword
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secretKeyRef:
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name: dapr-dev-redis
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key: redis-password
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auth:
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secretStore: kubernetes
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`
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// This config needs to be named as appconfig, as it is used in later steps in `dapr run -f . -k`. See `pkg/kubernetes/run.go`.
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zipkinConfig := `
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apiVersion: dapr.io/v1alpha1
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kind: Configuration
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metadata:
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name: appconfig
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spec:
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tracing:
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samplingRate: "1"
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zipkin:
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endpointAddress: "http://dapr-dev-zipkin.default.svc.cluster.local:9411/api/v2/spans"
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`
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tempDirPath, err := createTempDir()
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defer os.RemoveAll(tempDirPath)
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if err != nil {
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return err
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}
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client, err := DaprClient()
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if err != nil {
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return err
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}
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present, err := isComponentPresent(client, thirdPartyDevNamespace, stateStoreComponentName)
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if present || err != nil {
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if err != nil {
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print.WarningStatusEvent(os.Stderr, "Error listing components, skipping default dev component creation.")
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} else {
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print.WarningStatusEvent(os.Stderr, "Component with name %q already present in namespace %q. Skipping component creation.", stateStoreComponentName, thirdPartyDevNamespace)
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}
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return err
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}
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redisPath := filepath.Join(tempDirPath, "redis-statestore.yaml")
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err = checkAndOverWriteFile(redisPath, []byte(redisStatestore))
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if err != nil {
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return err
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}
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print.InfoStatusEvent(os.Stdout, "Applying %q component to Kubernetes %q namespace.", stateStoreComponentName, thirdPartyDevNamespace)
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_, err = utils.RunCmdAndWait("kubectl", "apply", "-f", redisPath)
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if err != nil {
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return err
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}
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present, err = isComponentPresent(client, thirdPartyDevNamespace, pubsubComponentName)
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if present || err != nil {
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if err != nil {
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print.WarningStatusEvent(os.Stderr, "Error listing components, skipping default dev component creation.")
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} else {
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print.WarningStatusEvent(os.Stderr, "Component with name %q already present in namespace %q. Skipping component creation.", pubsubComponentName, thirdPartyDevNamespace)
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}
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return err
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}
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redisPath = filepath.Join(tempDirPath, "redis-pubsub.yaml")
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err = checkAndOverWriteFile(redisPath, []byte(redisPubsub))
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if err != nil {
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return err
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}
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print.InfoStatusEvent(os.Stdout, "Applying %q component to Kubernetes %q namespace.", pubsubComponentName, thirdPartyDevNamespace)
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_, err = utils.RunCmdAndWait("kubectl", "apply", "-f", redisPath)
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if err != nil {
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return err
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}
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present, err = isConfigurationPresent(client, thirdPartyDevNamespace, zipkingConfigurationName)
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if present || err != nil {
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if err != nil {
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print.WarningStatusEvent(os.Stderr, "Error listing configurations, skipping default dev configuration creation.")
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} else {
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print.WarningStatusEvent(os.Stderr, "Configuration with name %q already present in namespace %q. Skipping configuration creation.", zipkingConfigurationName, thirdPartyDevNamespace)
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}
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return err
|
|
}
|
|
zipkinPath := filepath.Join(tempDirPath, "zipkin-config.yaml")
|
|
err = checkAndOverWriteFile(zipkinPath, []byte(zipkinConfig))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
print.InfoStatusEvent(os.Stdout, "Applying %q zipkin configuration to Kubernetes %q namespace.", zipkingConfigurationName, thirdPartyDevNamespace)
|
|
_, err = utils.RunCmdAndWait("kubectl", "apply", "-f", zipkinPath)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|