mirror of
https://github.com/gitpod-io/gitpod.git
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91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
// Copyright (c) 2020 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License.AGPL.txt in the project root for license information.
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package cmd
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/spf13/cobra"
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"github.com/gitpod-io/gitpod/common-go/log"
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"github.com/gitpod-io/gitpod/common-go/tracing"
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config "github.com/gitpod-io/gitpod/ws-manager/api/config"
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)
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var (
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// ServiceName is the name we use for tracing/logging
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ServiceName = "ws-manager"
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// Version of this service - set during build
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Version = ""
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)
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var cfgFile string
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var kubeconfig string
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var jsonLog bool
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var verbose bool
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "ws-manager",
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Short: "ws-manager starts/stops/controls workspace deployments in Kubernetes",
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PersistentPreRun: func(cmd *cobra.Command, args []string) {
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log.Init(ServiceName, Version, jsonLog, verbose)
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},
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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promrep := &tracing.PromReporter{
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Operations: map[string]tracing.SpanMetricMapping{
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"StartWorkspace": {
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Name: "wsman_start_workspace",
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Help: "time it takes to service a StartWorkspace request",
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Buckets: prometheus.LinearBuckets(0, 500, 10), // 10 buckets, each 500ms wide
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},
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},
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}
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closer := tracing.Init(ServiceName, tracing.WithPrometheusReporter(promrep))
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if closer != nil {
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defer closer.Close()
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}
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if err := rootCmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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}
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func init() {
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rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.kedgei.yaml)")
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rootCmd.PersistentFlags().BoolVarP(&jsonLog, "json-log", "j", true, "produce JSON log output on verbose level")
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rootCmd.PersistentFlags().BoolVarP(&verbose, "verbose", "v", false, "Enable verbose JSON logging")
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rootCmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "path to the kubeconfig file to use (defaults to in-cluster config)")
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}
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func getConfig() *config.ServiceConfiguration {
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ctnt, err := os.ReadFile(cfgFile)
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if err != nil {
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log.WithError(err).Fatal("cannot read configuration. Maybe missing --config?")
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}
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var cfg config.ServiceConfiguration
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dec := json.NewDecoder(bytes.NewReader(ctnt))
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dec.DisallowUnknownFields()
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err = dec.Decode(&cfg)
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if err != nil {
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log.WithError(err).Fatal("cannot decode configuration. Maybe missing --config?")
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}
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return &cfg
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}
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