diff --git a/provisioner/terraform/executor.go b/provisioner/terraform/executor.go index 4eb432252a849..5c7d7199024c0 100644 --- a/provisioner/terraform/executor.go +++ b/provisioner/terraform/executor.go @@ -41,7 +41,7 @@ func (e executor) basicEnv() []string { return env } -func (e executor) execWriteOutput(ctx context.Context, args, env []string, stdOutWriter, stdErrWriter io.WriteCloser) (err error) { +func (e executor) execWriteOutput(ctx, killCtx context.Context, args, env []string, stdOutWriter, stdErrWriter io.WriteCloser) (err error) { defer func() { closeErr := stdOutWriter.Close() if err == nil && closeErr != nil { @@ -52,8 +52,12 @@ func (e executor) execWriteOutput(ctx context.Context, args, env []string, stdOu err = closeErr } }() + if ctx.Err() != nil { + return ctx.Err() + } + // #nosec - cmd := exec.CommandContext(ctx, e.binaryPath, args...) + cmd := exec.CommandContext(killCtx, e.binaryPath, args...) cmd.Dir = e.workdir cmd.Env = env @@ -63,19 +67,36 @@ func (e executor) execWriteOutput(ctx context.Context, args, env []string, stdOu cmd.Stdout = syncWriter{mut, stdOutWriter} cmd.Stderr = syncWriter{mut, stdErrWriter} - return cmd.Run() + err = cmd.Start() + if err != nil { + return err + } + interruptCommandOnCancel(ctx, killCtx, cmd) + + return cmd.Wait() } -func (e executor) execParseJSON(ctx context.Context, args, env []string, v interface{}) error { +func (e executor) execParseJSON(ctx, killCtx context.Context, args, env []string, v interface{}) error { + if ctx.Err() != nil { + return ctx.Err() + } + // #nosec - cmd := exec.CommandContext(ctx, e.binaryPath, args...) + cmd := exec.CommandContext(killCtx, e.binaryPath, args...) cmd.Dir = e.workdir cmd.Env = env out := &bytes.Buffer{} stdErr := &bytes.Buffer{} cmd.Stdout = out cmd.Stderr = stdErr - err := cmd.Run() + + err := cmd.Start() + if err != nil { + return err + } + interruptCommandOnCancel(ctx, killCtx, cmd) + + err = cmd.Wait() if err != nil { errString, _ := io.ReadAll(stdErr) return xerrors.Errorf("%s: %w", errString, err) @@ -95,11 +116,11 @@ func (e executor) checkMinVersion(ctx context.Context) error { if err != nil { return err } - if !v.GreaterThanOrEqual(minimumTerraformVersion) { + if !v.GreaterThanOrEqual(minTerraformVersion) { return xerrors.Errorf( "terraform version %q is too old. required >= %q", v.String(), - minimumTerraformVersion.String()) + minTerraformVersion.String()) } return nil } @@ -109,6 +130,10 @@ func (e executor) version(ctx context.Context) (*version.Version, error) { } func versionFromBinaryPath(ctx context.Context, binaryPath string) (*version.Version, error) { + if ctx.Err() != nil { + return nil, ctx.Err() + } + // #nosec cmd := exec.CommandContext(ctx, binaryPath, "version", "-json") out, err := cmd.Output() @@ -130,7 +155,7 @@ func versionFromBinaryPath(ctx context.Context, binaryPath string) (*version.Ver return version.NewVersion(vj.Version) } -func (e executor) init(ctx context.Context, logr logger) error { +func (e executor) init(ctx, killCtx context.Context, logr logger) error { outWriter, doneOut := logWriter(logr, proto.LogLevel_DEBUG) errWriter, doneErr := logWriter(logr, proto.LogLevel_ERROR) defer func() { @@ -156,11 +181,11 @@ func (e executor) init(ctx context.Context, logr logger) error { defer e.initMu.Unlock() } - return e.execWriteOutput(ctx, args, e.basicEnv(), outWriter, errWriter) + return e.execWriteOutput(ctx, killCtx, args, e.basicEnv(), outWriter, errWriter) } // revive:disable-next-line:flag-parameter -func (e executor) plan(ctx context.Context, env, vars []string, logr logger, destroy bool) (*proto.Provision_Response, error) { +func (e executor) plan(ctx, killCtx context.Context, env, vars []string, logr logger, destroy bool) (*proto.Provision_Response, error) { planfilePath := filepath.Join(e.workdir, "terraform.tfplan") args := []string{ "plan", @@ -184,11 +209,11 @@ func (e executor) plan(ctx context.Context, env, vars []string, logr logger, des <-doneErr }() - err := e.execWriteOutput(ctx, args, env, outWriter, errWriter) + err := e.execWriteOutput(ctx, killCtx, args, env, outWriter, errWriter) if err != nil { return nil, xerrors.Errorf("terraform plan: %w", err) } - resources, err := e.planResources(ctx, planfilePath) + resources, err := e.planResources(ctx, killCtx, planfilePath) if err != nil { return nil, err } @@ -201,40 +226,52 @@ func (e executor) plan(ctx context.Context, env, vars []string, logr logger, des }, nil } -func (e executor) planResources(ctx context.Context, planfilePath string) ([]*proto.Resource, error) { - plan, err := e.showPlan(ctx, planfilePath) +func (e executor) planResources(ctx, killCtx context.Context, planfilePath string) ([]*proto.Resource, error) { + plan, err := e.showPlan(ctx, killCtx, planfilePath) if err != nil { return nil, xerrors.Errorf("show terraform plan file: %w", err) } - rawGraph, err := e.graph(ctx) + rawGraph, err := e.graph(ctx, killCtx) if err != nil { return nil, xerrors.Errorf("graph: %w", err) } return ConvertResources(plan.PlannedValues.RootModule, rawGraph) } -func (e executor) showPlan(ctx context.Context, planfilePath string) (*tfjson.Plan, error) { +func (e executor) showPlan(ctx, killCtx context.Context, planfilePath string) (*tfjson.Plan, error) { args := []string{"show", "-json", "-no-color", planfilePath} p := new(tfjson.Plan) - err := e.execParseJSON(ctx, args, e.basicEnv(), p) + err := e.execParseJSON(ctx, killCtx, args, e.basicEnv(), p) return p, err } -func (e executor) graph(ctx context.Context) (string, error) { - // #nosec - cmd := exec.CommandContext(ctx, e.binaryPath, "graph") +func (e executor) graph(ctx, killCtx context.Context) (string, error) { + if ctx.Err() != nil { + return "", ctx.Err() + } + + var out bytes.Buffer + cmd := exec.CommandContext(killCtx, e.binaryPath, "graph") // #nosec + cmd.Stdout = &out cmd.Dir = e.workdir cmd.Env = e.basicEnv() - out, err := cmd.Output() + + err := cmd.Start() + if err != nil { + return "", err + } + interruptCommandOnCancel(ctx, killCtx, cmd) + + err = cmd.Wait() if err != nil { return "", xerrors.Errorf("graph: %w", err) } - return string(out), nil + return out.String(), nil } // revive:disable-next-line:flag-parameter -func (e executor) apply(ctx context.Context, env, vars []string, logr logger, destroy bool, +func (e executor) apply(ctx, killCtx context.Context, env, vars []string, logr logger, destroy bool, ) (*proto.Provision_Response, error) { args := []string{ "apply", @@ -258,11 +295,11 @@ func (e executor) apply(ctx context.Context, env, vars []string, logr logger, de <-doneErr }() - err := e.execWriteOutput(ctx, args, env, outWriter, errWriter) + err := e.execWriteOutput(ctx, killCtx, args, env, outWriter, errWriter) if err != nil { return nil, xerrors.Errorf("terraform apply: %w", err) } - resources, err := e.stateResources(ctx) + resources, err := e.stateResources(ctx, killCtx) if err != nil { return nil, err } @@ -281,12 +318,12 @@ func (e executor) apply(ctx context.Context, env, vars []string, logr logger, de }, nil } -func (e executor) stateResources(ctx context.Context) ([]*proto.Resource, error) { - state, err := e.state(ctx) +func (e executor) stateResources(ctx, killCtx context.Context) ([]*proto.Resource, error) { + state, err := e.state(ctx, killCtx) if err != nil { return nil, err } - rawGraph, err := e.graph(ctx) + rawGraph, err := e.graph(ctx, killCtx) if err != nil { return nil, xerrors.Errorf("get terraform graph: %w", err) } @@ -300,16 +337,33 @@ func (e executor) stateResources(ctx context.Context) ([]*proto.Resource, error) return resources, nil } -func (e executor) state(ctx context.Context) (*tfjson.State, error) { +func (e executor) state(ctx, killCtx context.Context) (*tfjson.State, error) { args := []string{"show", "-json"} state := &tfjson.State{} - err := e.execParseJSON(ctx, args, e.basicEnv(), state) + err := e.execParseJSON(ctx, killCtx, args, e.basicEnv(), state) if err != nil { return nil, xerrors.Errorf("terraform show state: %w", err) } return state, nil } +func interruptCommandOnCancel(ctx, killCtx context.Context, cmd *exec.Cmd) { + go func() { + select { + case <-ctx.Done(): + switch runtime.GOOS { + case "windows": + // Interrupts aren't supported by Windows. + _ = cmd.Process.Kill() + default: + _ = cmd.Process.Signal(os.Interrupt) + } + + case <-killCtx.Done(): + } + }() +} + type logger interface { Log(*proto.Log) error } @@ -381,9 +435,6 @@ func provisionReadAndLog(logr logger, reader io.Reader, done chan<- any) { // If the diagnostic is provided, let's provide a bit more info! logLevel = convertTerraformLogLevel(log.Diagnostic.Severity, logr) - if err != nil { - continue - } err = logr.Log(&proto.Log{Level: logLevel, Output: log.Diagnostic.Detail}) if err != nil { // Not much we can do. We can't log because logging is itself breaking! diff --git a/provisioner/terraform/parse_test.go b/provisioner/terraform/parse_test.go index 0a88ab21d5b78..d00edc8a9b303 100644 --- a/provisioner/terraform/parse_test.go +++ b/provisioner/terraform/parse_test.go @@ -16,7 +16,7 @@ import ( func TestParse(t *testing.T) { t.Parallel() - ctx, api := setupProvisioner(t) + ctx, api := setupProvisioner(t, nil) testCases := []struct { Name string @@ -171,7 +171,7 @@ func TestParse(t *testing.T) { // Write all files to the temporary test directory. directory := t.TempDir() for path, content := range testCase.Files { - err := os.WriteFile(filepath.Join(directory, path), []byte(content), 0600) + err := os.WriteFile(filepath.Join(directory, path), []byte(content), 0o600) require.NoError(t, err) } diff --git a/provisioner/terraform/provision.go b/provisioner/terraform/provision.go index 65e972ddf27b3..8a858e3bb3bb6 100644 --- a/provisioner/terraform/provision.go +++ b/provisioner/terraform/provision.go @@ -6,6 +6,7 @@ import ( "os" "path/filepath" "strings" + "time" "golang.org/x/xerrors" @@ -14,11 +15,7 @@ import ( ) // Provision executes `terraform apply` or `terraform plan` for dry runs. -func (t *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { - logr := streamLogger{stream: stream} - shutdown, shutdownFunc := context.WithCancel(stream.Context()) - defer shutdownFunc() - +func (s *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { request, err := stream.Recv() if err != nil { return err @@ -30,6 +27,33 @@ func (t *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { if request.GetStart() == nil { return nil } + + // Create a context for graceful cancellation bound to the stream + // context. This ensures that we will perform graceful cancellation + // even on connection loss. + ctx, cancel := context.WithCancel(stream.Context()) + defer cancel() + + // Create a separate context for forcefull cancellation not tied to + // the stream so that we can control when to terminate the process. + killCtx, kill := context.WithCancel(context.Background()) + defer kill() + + // Ensure processes are eventually cleaned up on graceful + // cancellation or disconnect. + go func() { + <-stream.Context().Done() + + // TODO(mafredri): We should track this provision request as + // part of graceful server shutdown procedure. Waiting on a + // process here should delay provisioner/coder shutdown. + select { + case <-time.After(s.exitTimeout): + kill() + case <-killCtx.Done(): + } + }() + go func() { for { request, err := stream.Recv() @@ -37,29 +61,28 @@ func (t *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { return } if request.GetCancel() == nil { - // This is only to process cancels! + // We only process cancellation requests here. continue } - shutdownFunc() + cancel() return } }() + + logr := streamLogger{stream: stream} start := request.GetStart() - if err != nil { - return xerrors.Errorf("create new terraform executor: %w", err) - } - e := t.executor(start.Directory) - if err := e.checkMinVersion(stream.Context()); err != nil { + e := s.executor(start.Directory) + if err = e.checkMinVersion(ctx); err != nil { return err } - if err := logTerraformEnvVars(logr); err != nil { + if err = logTerraformEnvVars(logr); err != nil { return err } statefilePath := filepath.Join(start.Directory, "terraform.tfstate") if len(start.State) > 0 { - err := os.WriteFile(statefilePath, start.State, 0600) + err = os.WriteFile(statefilePath, start.State, 0o600) if err != nil { return xerrors.Errorf("write statefile %q: %w", statefilePath, err) } @@ -87,12 +110,21 @@ func (t *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { }) } - t.logger.Debug(shutdown, "running initialization") - err = e.init(stream.Context(), logr) + s.logger.Debug(ctx, "running initialization") + err = e.init(ctx, killCtx, logr) if err != nil { + if ctx.Err() != nil { + return stream.Send(&proto.Provision_Response{ + Type: &proto.Provision_Response_Complete{ + Complete: &proto.Provision_Complete{ + Error: err.Error(), + }, + }, + }) + } return xerrors.Errorf("initialize terraform: %w", err) } - t.logger.Debug(shutdown, "ran initialization") + s.logger.Debug(ctx, "ran initialization") env, err := provisionEnv(start) if err != nil { @@ -104,15 +136,15 @@ func (t *server) Provision(stream proto.DRPCProvisioner_ProvisionStream) error { } var resp *proto.Provision_Response if start.DryRun { - resp, err = e.plan(shutdown, env, vars, logr, + resp, err = e.plan(ctx, killCtx, env, vars, logr, start.Metadata.WorkspaceTransition == proto.WorkspaceTransition_DESTROY) } else { - resp, err = e.apply(shutdown, env, vars, logr, + resp, err = e.apply(ctx, killCtx, env, vars, logr, start.Metadata.WorkspaceTransition == proto.WorkspaceTransition_DESTROY) } if err != nil { if start.DryRun { - if shutdown.Err() != nil { + if ctx.Err() != nil { return stream.Send(&proto.Provision_Response{ Type: &proto.Provision_Response_Complete{ Complete: &proto.Provision_Complete{ diff --git a/provisioner/terraform/provision_test.go b/provisioner/terraform/provision_test.go index 4b9e203ab4f32..e6beffde64332 100644 --- a/provisioner/terraform/provision_test.go +++ b/provisioner/terraform/provision_test.go @@ -5,11 +5,14 @@ package terraform_test import ( "context" "encoding/json" + "fmt" "os" "path/filepath" + "runtime" "sort" "strings" "testing" + "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" @@ -22,7 +25,15 @@ import ( "github.com/coder/coder/provisionersdk/proto" ) -func setupProvisioner(t *testing.T) (context.Context, proto.DRPCProvisionerClient) { +type provisionerServeOptions struct { + binaryPath string + exitTimeout time.Duration +} + +func setupProvisioner(t *testing.T, opts *provisionerServeOptions) (context.Context, proto.DRPCProvisionerClient) { + if opts == nil { + opts = &provisionerServeOptions{} + } cachePath := t.TempDir() client, server := provisionersdk.TransportPipe() ctx, cancelFunc := context.WithCancel(context.Background()) @@ -39,18 +50,125 @@ func setupProvisioner(t *testing.T) (context.Context, proto.DRPCProvisionerClien ServeOptions: &provisionersdk.ServeOptions{ Listener: server, }, - CachePath: cachePath, - Logger: slogtest.Make(t, nil).Leveled(slog.LevelDebug), + BinaryPath: opts.binaryPath, + CachePath: cachePath, + Logger: slogtest.Make(t, nil).Leveled(slog.LevelDebug), + ExitTimeout: opts.exitTimeout, }) }() api := proto.NewDRPCProvisionerClient(provisionersdk.Conn(client)) return ctx, api } +func TestProvision_Cancel(t *testing.T) { + if runtime.GOOS == "windows" { + t.Skip("This test uses interrupts and is not supported on Windows") + } + + t.Parallel() + + cwd, err := os.Getwd() + require.NoError(t, err) + fakeBin := filepath.Join(cwd, "testdata", "bin", "terraform_fake_cancel.sh") + + tests := []struct { + name string + mode string + startSequence []string + wantLog []string + }{ + { + name: "Cancel init", + mode: "init", + startSequence: []string{"init_start"}, + wantLog: []string{"interrupt", "exit"}, + }, + { + name: "Cancel apply", + mode: "apply", + startSequence: []string{"init", "apply_start"}, + wantLog: []string{"interrupt", "exit"}, + }, + } + for _, tt := range tests { + tt := tt + t.Run(tt.name, func(t *testing.T) { + t.Parallel() + + dir := t.TempDir() + binPath := filepath.Join(dir, "terraform") + + // Example: exec /path/to/terrafork_fake_cancel.sh 1.2.1 apply "$@" + content := fmt.Sprintf("#!/bin/sh\nexec %q %s %s \"$@\"\n", fakeBin, terraform.TerraformVersion.String(), tt.mode) + err = os.WriteFile(binPath, []byte(content), 0o755) //#nosec + require.NoError(t, err) + + ctx, api := setupProvisioner(t, &provisionerServeOptions{ + binaryPath: binPath, + exitTimeout: time.Nanosecond, + }) + + response, err := api.Provision(ctx) + require.NoError(t, err) + err = response.Send(&proto.Provision_Request{ + Type: &proto.Provision_Request_Start{ + Start: &proto.Provision_Start{ + Directory: dir, + DryRun: false, + ParameterValues: []*proto.ParameterValue{{ + DestinationScheme: proto.ParameterDestination_PROVISIONER_VARIABLE, + Name: "A", + Value: "example", + }}, + Metadata: &proto.Provision_Metadata{}, + }, + }, + }) + require.NoError(t, err) + + for _, line := range tt.startSequence { + LoopStart: + msg, err := response.Recv() + require.NoError(t, err) + + t.Log(msg.Type) + + log := msg.GetLog() + if log == nil { + goto LoopStart + } + require.Equal(t, line, log.Output) + } + + err = response.Send(&proto.Provision_Request{ + Type: &proto.Provision_Request_Cancel{ + Cancel: &proto.Provision_Cancel{}, + }, + }) + require.NoError(t, err) + + var gotLog []string + for { + msg, err := response.Recv() + require.NoError(t, err) + + if log := msg.GetLog(); log != nil { + gotLog = append(gotLog, log.Output) + } + if c := msg.GetComplete(); c != nil { + require.Contains(t, c.Error, "exit status 1") + break + } + } + require.Equal(t, tt.wantLog, gotLog) + }) + } +} + func TestProvision(t *testing.T) { t.Parallel() - ctx, api := setupProvisioner(t) + ctx, api := setupProvisioner(t, nil) testCases := []struct { Name string @@ -209,7 +327,7 @@ func TestProvision(t *testing.T) { directory := t.TempDir() for path, content := range testCase.Files { - err := os.WriteFile(filepath.Join(directory, path), []byte(content), 0600) + err := os.WriteFile(filepath.Join(directory, path), []byte(content), 0o600) require.NoError(t, err) } @@ -302,11 +420,11 @@ func TestProvision_ExtraEnv(t *testing.T) { t.Setenv("TF_LOG", "INFO") t.Setenv("TF_SUPERSECRET", secretValue) - ctx, api := setupProvisioner(t) + ctx, api := setupProvisioner(t, nil) directory := t.TempDir() path := filepath.Join(directory, "main.tf") - err := os.WriteFile(path, []byte(`resource "null_resource" "A" {}`), 0600) + err := os.WriteFile(path, []byte(`resource "null_resource" "A" {}`), 0o600) require.NoError(t, err) request := &proto.Provision_Request{ diff --git a/provisioner/terraform/serve.go b/provisioner/terraform/serve.go index 1a75483bda35d..8b24aea20cfa9 100644 --- a/provisioner/terraform/serve.go +++ b/provisioner/terraform/serve.go @@ -4,6 +4,7 @@ import ( "context" "path/filepath" "sync" + "time" "github.com/cli/safeexec" "github.com/hashicorp/go-version" @@ -15,26 +16,20 @@ import ( "github.com/coder/coder/provisionersdk" ) -// This is the exact version of Terraform used internally -// when Terraform is missing on the system. -var terraformVersion = version.Must(version.NewVersion("1.2.1")) -var minTerraformVersion = version.Must(version.NewVersion("1.1.0")) -var maxTerraformVersion = version.Must(version.NewVersion("1.2.1")) - var ( - // The minimum version of Terraform supported by the provisioner. - // Validation came out in 0.13.0, which was released August 10th, 2020. - // https://www.hashicorp.com/blog/announcing-hashicorp-terraform-0-13 - minimumTerraformVersion = func() *version.Version { - v, err := version.NewSemver("0.13.0") - if err != nil { - panic(err) - } - return v - }() + // TerraformVersion is the version of Terraform used internally + // when Terraform is not available on the system. + TerraformVersion = version.Must(version.NewVersion("1.2.1")) + + minTerraformVersion = version.Must(version.NewVersion("1.1.0")) + maxTerraformVersion = version.Must(version.NewVersion("1.2.1")) + + terraformMinorVersionMismatch = xerrors.New("Terraform binary minor version mismatch.") ) -var terraformMinorVersionMismatch = xerrors.New("Terraform binary minor version mismatch.") +const ( + defaultExitTimeout = 5 * time.Minute +) type ServeOptions struct { *provisionersdk.ServeOptions @@ -44,6 +39,17 @@ type ServeOptions struct { BinaryPath string CachePath string Logger slog.Logger + + // ExitTimeout defines how long we will wait for a running Terraform + // command to exit (cleanly) if the provision was stopped. This only + // happens when the command is still running after the provision + // stream is closed. If the provision is canceled via RPC, this + // timeout will not be used. + // + // This is a no-op on Windows where the process can't be interrupted. + // + // Default value: 5 minutes. + ExitTimeout time.Duration } func absoluteBinaryPath(ctx context.Context) (string, error) { @@ -90,7 +96,7 @@ func Serve(ctx context.Context, options *ServeOptions) error { installer := &releases.ExactVersion{ InstallDir: options.CachePath, Product: product.Terraform, - Version: terraformVersion, + Version: TerraformVersion, } execPath, err := installer.Install(ctx) @@ -102,10 +108,14 @@ func Serve(ctx context.Context, options *ServeOptions) error { options.BinaryPath = absoluteBinary } } + if options.ExitTimeout == 0 { + options.ExitTimeout = defaultExitTimeout + } return provisionersdk.Serve(ctx, &server{ - binaryPath: options.BinaryPath, - cachePath: options.CachePath, - logger: options.Logger, + binaryPath: options.BinaryPath, + cachePath: options.CachePath, + logger: options.Logger, + exitTimeout: options.ExitTimeout, }, options.ServeOptions) } @@ -117,6 +127,8 @@ type server struct { binaryPath string cachePath string logger slog.Logger + + exitTimeout time.Duration } func (s *server) executor(workdir string) executor { diff --git a/provisioner/terraform/testdata/bin/terraform_fake_cancel.sh b/provisioner/terraform/testdata/bin/terraform_fake_cancel.sh new file mode 100755 index 0000000000000..faaa59684fedc --- /dev/null +++ b/provisioner/terraform/testdata/bin/terraform_fake_cancel.sh @@ -0,0 +1,60 @@ +#!/bin/sh + +VERSION=$1 +MODE=$2 +shift 2 + +json_print() { + echo "{\"@level\":\"error\",\"@message\":\"$*\"}" +} + +case "$1" in +version) + cat <<-EOF + { + "terraform_version": "${VERSION}", + "platform": "linux_amd64", + "provider_selections": {}, + "terraform_outdated": false + } + EOF + exit 0 + ;; +init) + case "$MODE" in + apply) + echo "init" + ;; + init) + sleep 10 & + sleep_pid=$! + + trap 'echo exit; kill -9 $sleep_pid 2>/dev/null' EXIT + trap 'echo interrupt; exit 1' INT + trap 'echo terminate"; exit 2' TERM + + echo init_start + wait + echo init_end + ;; + esac + ;; +apply) + sleep 10 & + sleep_pid=$! + + trap 'json_print exit; kill -9 $sleep_pid 2>/dev/null' EXIT + trap 'json_print interrupt; exit 1' INT + trap 'json_print terminate"; exit 2' TERM + + json_print apply_start + wait + json_print apply_end + ;; +plan) + echo "plan not supported" + exit 1 + ;; +esac + +exit 0
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