mirror of
https://github.com/opentofu/opentofu.git
synced 2024-12-29 10:21:01 -06:00
110 lines
3.2 KiB
Go
110 lines
3.2 KiB
Go
package command
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import (
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"bytes"
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"fmt"
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"io"
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"os"
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"os/exec"
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"github.com/hashicorp/go-plugin"
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"github.com/opentofu/opentofu/internal/cloudplugin"
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"github.com/opentofu/opentofu/internal/cloudplugin/cloudplugin1"
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"github.com/opentofu/opentofu/internal/logging"
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)
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// CloudCommand is a Command implementation that interacts with Terraform
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// Cloud for operations that are inherently planless. It delegates
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// all execution to an internal plugin.
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type CloudCommand struct {
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Meta
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}
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const (
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// DefaultCloudPluginVersion is the implied protocol version, though all
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// historical versions are defined explicitly.
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DefaultCloudPluginVersion = 1
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// ExitRPCError is the exit code that is returned if an plugin
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// communication error occurred.
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ExitRPCError = 99
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)
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var (
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// Handshake is used to verify that the plugin is the appropriate plugin for
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// the client. This is not a security verification.
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Handshake = plugin.HandshakeConfig{
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MagicCookieKey: "TF_CLOUDPLUGIN_MAGIC_COOKIE",
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MagicCookieValue: "721fca41431b780ff3ad2623838faaa178d74c65e1cfdfe19537c31656496bf9f82d6c6707f71d81c8eed0db9043f79e56ab4582d013bc08ead14f57961461dc",
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ProtocolVersion: DefaultCloudPluginVersion,
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}
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)
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func (c *CloudCommand) proxy(args []string, stdout, stderr io.Writer) int {
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client := plugin.NewClient(&plugin.ClientConfig{
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HandshakeConfig: Handshake,
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AllowedProtocols: []plugin.Protocol{plugin.ProtocolGRPC},
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Cmd: exec.Command("./terraform-cloudplugin"),
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Logger: logging.NewCloudLogger(),
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VersionedPlugins: map[int]plugin.PluginSet{
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1: {
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"cloud": &cloudplugin1.GRPCCloudPlugin{},
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},
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},
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})
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defer client.Kill()
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// Connect via RPC
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rpcClient, err := client.Client()
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if err != nil {
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fmt.Fprintf(stderr, "Failed to create cloud plugin client: %s", err)
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return ExitRPCError
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}
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// Request the plugin
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raw, err := rpcClient.Dispense("cloud")
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if err != nil {
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fmt.Fprintf(stderr, "Failed to request cloud plugin interface: %s", err)
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return ExitRPCError
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}
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// Proxy the request
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// Note: future changes will need to determine the type of raw when
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// multiple versions are possible.
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cloud1, ok := raw.(cloudplugin.Cloud1)
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if !ok {
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c.Ui.Error("If more than one cloudplugin versions are available, they need to be added to the cloud command. This is a bug in OpenTofu.")
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return ExitRPCError
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}
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return cloud1.Execute(args, stdout, stderr)
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}
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// Run runs the cloud command with the given arguments.
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func (c *CloudCommand) Run(args []string) int {
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args = c.Meta.process(args)
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// TODO: Download and verify the signing of the terraform-cloudplugin
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// release that is appropriate for this OS/Arch
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if _, err := os.Stat("./terraform-cloudplugin"); err != nil {
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c.Ui.Warn("terraform-cloudplugin not found. This plugin does not have an official release yet.")
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return 1
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}
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// TODO: Need to use some type of c.Meta handle here
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return c.proxy(args, os.Stdout, os.Stderr)
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}
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// Help returns help text for the cloud command.
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func (c *CloudCommand) Help() string {
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helpText := new(bytes.Buffer)
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c.proxy([]string{}, helpText, io.Discard)
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return helpText.String()
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}
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// Synopsis returns a short summary of the cloud command.
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func (c *CloudCommand) Synopsis() string {
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return "Manage Terraform Cloud settings and metadata"
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}
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