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13cef7d07c
* feat: Add AWS instance identity authentication This allows zero-trust authentication for all AWS instances. Prior to this, AWS instances could be used by passing `CODER_TOKEN` as an environment variable to the startup script. AWS explicitly states that secrets should not be passed in startup scripts because it's user-readable. * feat: Support caching provisioner assets This caches the Terraform binary, and Terraform plugins. Eventually, it could cache other temporary files. * chore: fix linter Co-authored-by: Garrett <garrett@coder.com>
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
package terraform
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import (
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"context"
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"os/exec"
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"github.com/hashicorp/go-version"
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"golang.org/x/xerrors"
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"cdr.dev/slog"
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"github.com/coder/coder/provisionersdk"
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"github.com/hashicorp/hc-install/product"
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"github.com/hashicorp/hc-install/releases"
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)
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var (
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// The minimum version of Terraform supported by the provisioner.
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// Validation came out in 0.13.0, which was released August 10th, 2020.
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// https://www.hashicorp.com/blog/announcing-hashicorp-terraform-0-13
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minimumTerraformVersion = func() *version.Version {
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v, err := version.NewSemver("0.13.0")
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if err != nil {
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panic(err)
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}
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return v
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}()
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)
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type ServeOptions struct {
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*provisionersdk.ServeOptions
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// BinaryPath specifies the "terraform" binary to use.
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// If omitted, the $PATH will attempt to find it.
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BinaryPath string
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CachePath string
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Logger slog.Logger
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}
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// Serve starts a dRPC server on the provided transport speaking Terraform provisioner.
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func Serve(ctx context.Context, options *ServeOptions) error {
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if options.BinaryPath == "" {
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binaryPath, err := exec.LookPath("terraform")
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if err != nil {
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installer := &releases.ExactVersion{
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InstallDir: options.CachePath,
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Product: product.Terraform,
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Version: version.Must(version.NewVersion("1.1.7")),
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}
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execPath, err := installer.Install(ctx)
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if err != nil {
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return xerrors.Errorf("install terraform: %w", err)
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}
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options.BinaryPath = execPath
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} else {
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options.BinaryPath = binaryPath
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}
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}
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return provisionersdk.Serve(ctx, &terraform{
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binaryPath: options.BinaryPath,
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cachePath: options.CachePath,
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logger: options.Logger,
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}, options.ServeOptions)
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}
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type terraform struct {
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binaryPath string
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cachePath string
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logger slog.Logger
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}
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