mirror of
https://github.com/open-policy-agent/opa.git
synced 2026-08-28 03:05:04 -06:00
Johan Fylling
89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
// Copyright 2016 The OPA Authors. All rights reserved.
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// Use of this source code is governed by an Apache2
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// license that can be found in the LICENSE file.
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package cmd
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import (
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"context"
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"crypto/rand"
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"fmt"
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"io"
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"os"
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"github.com/spf13/cobra"
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"github.com/open-policy-agent/opa/cmd/internal/env"
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"github.com/open-policy-agent/opa/internal/report"
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"github.com/open-policy-agent/opa/internal/uuid"
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"github.com/open-policy-agent/opa/version"
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)
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func init() {
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var check bool
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var versionCommand = &cobra.Command{
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Use: "version",
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Short: "Print the version of OPA",
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Long: "Show version and build information for OPA.",
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PreRunE: func(cmd *cobra.Command, _ []string) error {
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return env.CmdFlags.CheckEnvironmentVariables(cmd)
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},
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Run: func(_ *cobra.Command, _ []string) {
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generateCmdOutput(os.Stdout, check)
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},
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}
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// The version command can also be used to check for the latest released OPA version.
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// Some tools could use this for feature flagging purposes and hence this option is OFF by-default.
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versionCommand.Flags().BoolVarP(&check, "check", "c", false, "check for latest OPA release")
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RootCommand.AddCommand(versionCommand)
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}
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func generateCmdOutput(out io.Writer, check bool) {
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fmt.Fprintln(out, "Version: "+version.Version)
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fmt.Fprintln(out, "Build Commit: "+version.Vcs)
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fmt.Fprintln(out, "Build Timestamp: "+version.Timestamp)
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fmt.Fprintln(out, "Build Hostname: "+version.Hostname)
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fmt.Fprintln(out, "Go Version: "+version.GoVersion)
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fmt.Fprintln(out, "Platform: "+version.Platform)
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var wasmAvailable string
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if version.WasmRuntimeAvailable() {
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wasmAvailable = "available"
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} else {
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wasmAvailable = "unavailable"
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}
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fmt.Fprintln(out, "WebAssembly: "+wasmAvailable)
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if check {
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err := checkOPAUpdate(out)
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if err != nil {
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fmt.Fprintf(out, "Error: %v\n", err)
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os.Exit(1)
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}
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}
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}
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func checkOPAUpdate(out io.Writer) error {
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id, err := uuid.New(rand.Reader)
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if err != nil {
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return err
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}
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reporter, err := report.New(id, report.Options{})
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if err != nil {
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return err
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}
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resp, err := reporter.SendReport(context.Background())
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if err != nil {
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return err
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}
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fmt.Fprintln(out, resp.Pretty())
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return nil
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}
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