json log for plan and apply

tfexec/apply.go

@@ -11,6 +11,7 @@ type applyConfig struct {
 	backup    string
 	dirOrPlan string
 	lock      bool
+	json      bool
 
 	// LockTimeout must be a string with time unit, e.g. '10s'
 	lockTimeout  string
@@ -66,6 +67,10 @@ func (opt *VarFileOption) configureApply(conf *applyConfig) {
 	conf.varFiles = append(conf.varFiles, opt.path)
 }
 
+func (opt *JSONOption) configureApply(conf *applyConfig) {
+	conf.json = opt.json
+}
+
 func (opt *LockOption) configureApply(conf *applyConfig) {
 	conf.lock = opt.lock
 }
@@ -112,6 +117,9 @@ func (tf *Terraform) applyCmd(ctx context.Context, opts ...ApplyOption) (*exec.C
 	if c.backup != "" {
 		args = append(args, "-backup="+c.backup)
 	}
+	if c.json {
+		args = append(args, "-json")
+	}
 	if c.lockTimeout != "" {
 		args = append(args, "-lock-timeout="+c.lockTimeout)
 	}

tfexec/apply_test.go

@@ -26,6 +26,7 @@ func TestApplyCmd(t *testing.T) {
 			StateOut("teststateout"),
 			VarFile("foo.tfvars"),
 			VarFile("bar.tfvars"),
+			JSON(true),
 			Lock(false),
 			Parallelism(99),
 			Refresh(false),
@@ -47,6 +48,7 @@ func TestApplyCmd(t *testing.T) {
 			"-auto-approve",
 			"-input=false",
 			"-backup=testbackup",
+			"-json",
 			"-lock-timeout=200s",
 			"-state=teststate",
 			"-state-out=teststateout",

tfexec/options.go

@@ -185,6 +185,16 @@ func GetPlugins(getPlugins bool) *GetPluginsOption {
 	return &GetPluginsOption{getPlugins}
 }
 
+// JSONOption represents the -json flag.
+type JSONOption struct {
+	json bool
+}
+
+// JSON represents the -json flag.
+func JSON(json bool) *JSONOption {
+	return &JSONOption{json}
+}
+
 // LockOption represents the -lock flag.
 type LockOption struct {
 	lock bool

tfexec/plan.go

@@ -11,6 +11,7 @@ type planConfig struct {
 	destroy      bool
 	dir          string
 	lock         bool
+	json         bool
 	lockTimeout  string
 	out          string
 	parallelism  int
@@ -76,6 +77,10 @@ func (opt *OutOption) configurePlan(conf *planConfig) {
 	conf.out = opt.path
 }
 
+func (opt *JSONOption) configurePlan(conf *planConfig) {
+	conf.json = opt.json
+}
+
 func (opt *LockTimeoutOption) configurePlan(conf *planConfig) {
 	conf.lockTimeout = opt.timeout
 }
@@ -121,6 +126,9 @@ func (tf *Terraform) planCmd(ctx context.Context, opts ...PlanOption) (*exec.Cmd
 	if c.lockTimeout != "" {
 		args = append(args, "-lock-timeout="+c.lockTimeout)
 	}
+	if c.json {
+		args = append(args, "-json")
+	}
 	if c.out != "" {
 		args = append(args, "-out="+c.out)
 	}

tfexec/plan_test.go

@@ -40,6 +40,7 @@ func TestPlanCmd(t *testing.T) {
 		planCmd, err := tf.planCmd(context.Background(),
 			Destroy(true),
 			Lock(false),
+			JSON(true),
 			LockTimeout("22s"),
 			Out("whale"),
 			Parallelism(42),
@@ -63,6 +64,7 @@ func TestPlanCmd(t *testing.T) {
 			"-input=false",
 			"-detailed-exitcode",
 			"-lock-timeout=22s",
+			"-json",
 			"-out=whale",
 			"-state=marvin",
 			"-var-file=trillian",