mirror of
https://github.com/replicatedhq/troubleshoot.git
synced 2026-04-15 07:16:34 +00:00
15a4802cd2
* Add dry-run flag * No traces on dry run * More refactoring * More updates to support bundle binary * More refactoring changes * Different approach of loading specs from URIs * Self review * More changes after review and testing * fix how we parse oci image uri * Remove unnecessary comment * Add missing file * Fix failing tests * Better error check for no collectors * Add default collectors when parsing support bundle specs * Add missed test fixture * Download specs with correct headers * Fix typo
113 lines
3.2 KiB
Go
113 lines
3.2 KiB
Go
package cli
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import (
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"errors"
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"fmt"
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"os"
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"strings"
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"github.com/replicatedhq/troubleshoot/cmd/internal/util"
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"github.com/replicatedhq/troubleshoot/internal/traces"
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"github.com/replicatedhq/troubleshoot/pkg/constants"
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"github.com/replicatedhq/troubleshoot/pkg/k8sutil"
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"github.com/replicatedhq/troubleshoot/pkg/logger"
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"github.com/replicatedhq/troubleshoot/pkg/preflight"
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"github.com/replicatedhq/troubleshoot/pkg/types"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"k8s.io/klog/v2"
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)
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func RootCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: "preflight [url]",
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Args: cobra.MinimumNArgs(1),
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Short: "Run and retrieve preflight checks in a cluster",
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Long: `A preflight check is a set of validations that can and should be run to ensure
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that a cluster meets the requirements to run an application.`,
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SilenceUsage: true,
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SilenceErrors: true,
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PreRun: func(cmd *cobra.Command, args []string) {
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v := viper.GetViper()
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v.SetEnvKeyReplacer(strings.NewReplacer("-", "_"))
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v.BindPFlags(cmd.Flags())
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logger.SetupLogger(v)
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if err := util.StartProfiling(); err != nil {
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klog.Errorf("Failed to start profiling: %v", err)
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}
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},
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RunE: func(cmd *cobra.Command, args []string) error {
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v := viper.GetViper()
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closer, err := traces.ConfigureTracing("preflight")
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if err != nil {
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// Do not fail running preflights if tracing fails
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klog.Errorf("Failed to initialize open tracing provider: %v", err)
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} else {
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defer closer()
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}
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err = preflight.RunPreflights(v.GetBool("interactive"), v.GetString("output"), v.GetString("format"), args)
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if !v.GetBool("dry-run") && (v.GetBool("debug") || v.IsSet("v")) {
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fmt.Printf("\n%s", traces.GetExporterInstance().GetSummary())
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}
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return err
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},
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PostRun: func(cmd *cobra.Command, args []string) {
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if err := util.StopProfiling(); err != nil {
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klog.Errorf("Failed to stop profiling: %v", err)
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}
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},
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}
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cobra.OnInitialize(initConfig)
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cmd.AddCommand(util.VersionCmd())
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cmd.AddCommand(OciFetchCmd())
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preflight.AddFlags(cmd.PersistentFlags())
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// Dry run flag should be in cmd.PersistentFlags() flags made available to all subcommands
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// Adding here to avoid that
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cmd.Flags().Bool("dry-run", false, "print the preflight spec without running preflight checks")
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k8sutil.AddFlags(cmd.Flags())
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// Initialize klog flags
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logger.InitKlogFlags(cmd)
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// CPU and memory profiling flags
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util.AddProfilingFlags(cmd)
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return cmd
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}
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func InitAndExecute() {
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cmd := RootCmd()
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err := cmd.Execute()
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if err != nil {
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var exitErr types.ExitError
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if errors.As(err, &exitErr) {
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// We need to do this, there's situations where we need the non-zero exit code (which comes as part of the custom error struct)
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// but there's no actual error, just an exit code.
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// If there's also an error to output (eg. invalid format etc) then print it as well
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if exitErr.ExitStatus() != constants.EXIT_CODE_FAIL && exitErr.ExitStatus() != constants.EXIT_CODE_WARN {
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cmd.PrintErrln("Error:", err.Error())
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}
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os.Exit(exitErr.ExitStatus())
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}
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// Fallback, should almost never be used (the above Exit() should handle almost all situations
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cmd.PrintErrln("Error:", err.Error())
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os.Exit(1)
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}
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}
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func initConfig() {
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viper.SetEnvPrefix("PREFLIGHT")
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viper.AutomaticEnv()
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}
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