mirror of
https://github.com/edgelesssys/constellation.git
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690b50b29d
* Remove unused package * Add Go package docs to most packages Signed-off-by: Daniel Weiße <dw@edgeless.systems> Signed-off-by: Fabian Kammel <fk@edgeless.systems> Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com> Co-authored-by: Paul Meyer <49727155+katexochen@users.noreply.github.com> Co-authored-by: Fabian Kammel <fk@edgeless.systems>
101 lines
2.6 KiB
Go
101 lines
2.6 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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/*
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This package provides a CLI tool to interact with the Constellation versions API.
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The tool can be used to request information from the API, but also for admin tasks.
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All actions require an authentication against AWS with the common permissions.
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Andministrative tasks like adding or removing versions require further AWS permissions
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as well as permissions to GCP and Azure.
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The CLI is commonly used in the CI pipeline. Most actions shouldn't be executed manually
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by a developer. Notice that there is no synchronization on API operations.
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*/
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package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"github.com/spf13/cobra"
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)
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func main() {
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if err := execute(); err != nil {
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os.Exit(1)
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}
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}
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func execute() error {
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rootCmd := newRootCmd()
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ctx, cancel := signalContext(context.Background(), os.Interrupt)
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defer cancel()
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return rootCmd.ExecuteContext(ctx)
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}
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func newRootCmd() *cobra.Command {
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rootCmd := &cobra.Command{
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Use: "versionsapi",
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Short: "Interact with the Constellation versions API",
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Long: "Interact with the Constellation versions API.",
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PersistentPreRun: preRunRoot,
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}
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rootCmd.SetOut(os.Stdout)
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rootCmd.PersistentFlags().Bool("verbose", false, "Enable verbose output")
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rootCmd.PersistentFlags().String("region", "eu-central-1", "AWS region of the API S3 bucket")
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rootCmd.PersistentFlags().String("bucket", "cdn-constellation-backend", "S3 bucket name of the API")
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rootCmd.PersistentFlags().String("distribution-id", "E1H77EZTHC3NE4", "CloudFront distribution ID of the API")
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rootCmd.AddCommand(newAddCmd())
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rootCmd.AddCommand(newLatestCmd())
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rootCmd.AddCommand(newListCmd())
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rootCmd.AddCommand(newRemoveCmd())
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return rootCmd
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}
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// signalContext returns a context that is canceled on the handed signal.
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// The signal isn't watched after its first occurrence. Call the cancel
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// function to ensure the internal goroutine is stopped and the signal isn't
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// watched any longer.
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func signalContext(ctx context.Context, sig os.Signal) (context.Context, context.CancelFunc) {
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sigCtx, stop := signal.NotifyContext(ctx, sig)
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done := make(chan struct{}, 1)
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stopDone := make(chan struct{}, 1)
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go func() {
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defer func() { stopDone <- struct{}{} }()
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defer stop()
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select {
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case <-sigCtx.Done():
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fmt.Println(" Signal caught. Press ctrl+c again to terminate the program immediately.")
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case <-done:
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}
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}()
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cancelFunc := func() {
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done <- struct{}{}
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<-stopDone
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}
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return sigCtx, cancelFunc
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}
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func preRunRoot(cmd *cobra.Command, args []string) {
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cmd.SilenceUsage = true
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}
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func must(err error) {
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if err != nil {
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panic(err)
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}
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}
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