terraform/builtin/provisioners/remote-exec/resource_provisioner_test.go

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package remoteexec
import (
"bytes"
"context"
"io"
"testing"
"time"
"strings"
"github.com/hashicorp/terraform/communicator"
"github.com/hashicorp/terraform/communicator/remote"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/helper/schema"
"github.com/hashicorp/terraform/terraform"
)
func TestResourceProvisioner_impl(t *testing.T) {
var _ terraform.ResourceProvisioner = Provisioner()
}
func TestProvisioner(t *testing.T) {
if err := Provisioner().(*schema.Provisioner).InternalValidate(); err != nil {
t.Fatalf("err: %s", err)
}
}
func TestResourceProvider_Validate_good(t *testing.T) {
c := testConfig(t, map[string]interface{}{
"inline": "echo foo",
})
warn, errs := Provisioner().Validate(c)
if len(warn) > 0 {
t.Fatalf("Warnings: %v", warn)
}
if len(errs) > 0 {
t.Fatalf("Errors: %v", errs)
}
}
func TestResourceProvider_Validate_bad(t *testing.T) {
c := testConfig(t, map[string]interface{}{
"invalid": "nope",
})
warn, errs := Provisioner().Validate(c)
if len(warn) > 0 {
t.Fatalf("Warnings: %v", warn)
}
if len(errs) == 0 {
t.Fatalf("Should have errors")
}
}
var expectedScriptOut = `cd /tmp
wget http://foobar
exit 0
`
func TestResourceProvider_generateScript(t *testing.T) {
conf := map[string]interface{}{
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"inline": []interface{}{
"cd /tmp",
"wget http://foobar",
"exit 0",
},
}
out, err := generateScripts(
schema.TestResourceDataRaw(t, Provisioner().(*schema.Provisioner).Schema, conf),
)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(out) != 1 {
t.Fatal("expected 1 out")
}
if out[0] != expectedScriptOut {
t.Fatalf("bad: %v", out)
}
}
func TestResourceProvider_generateScriptEmptyInline(t *testing.T) {
p := Provisioner().(*schema.Provisioner)
conf := map[string]interface{}{
"inline": []interface{}{""},
}
_, err := generateScripts(schema.TestResourceDataRaw(
t, p.Schema, conf))
if err == nil {
t.Fatal("expected error, got none")
}
if !strings.Contains(err.Error(), "Error parsing") {
t.Fatalf("expected parsing error, got: %s", err)
}
}
func TestResourceProvider_CollectScripts_inline(t *testing.T) {
conf := map[string]interface{}{
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"inline": []interface{}{
"cd /tmp",
"wget http://foobar",
"exit 0",
},
}
scripts, err := collectScripts(
schema.TestResourceDataRaw(t, Provisioner().(*schema.Provisioner).Schema, conf),
)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(scripts) != 1 {
t.Fatalf("bad: %v", scripts)
}
var out bytes.Buffer
_, err = io.Copy(&out, scripts[0])
if err != nil {
t.Fatalf("err: %v", err)
}
if out.String() != expectedScriptOut {
t.Fatalf("bad: %v", out.String())
}
}
func TestResourceProvider_CollectScripts_script(t *testing.T) {
conf := map[string]interface{}{
"script": "testdata/script1.sh",
}
scripts, err := collectScripts(
schema.TestResourceDataRaw(t, Provisioner().(*schema.Provisioner).Schema, conf),
)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(scripts) != 1 {
t.Fatalf("bad: %v", scripts)
}
var out bytes.Buffer
_, err = io.Copy(&out, scripts[0])
if err != nil {
t.Fatalf("err: %v", err)
}
if out.String() != expectedScriptOut {
t.Fatalf("bad: %v", out.String())
}
}
func TestResourceProvider_CollectScripts_scripts(t *testing.T) {
conf := map[string]interface{}{
"scripts": []interface{}{
"testdata/script1.sh",
"testdata/script1.sh",
"testdata/script1.sh",
},
}
scripts, err := collectScripts(
schema.TestResourceDataRaw(t, Provisioner().(*schema.Provisioner).Schema, conf),
)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(scripts) != 3 {
t.Fatalf("bad: %v", scripts)
}
for idx := range scripts {
var out bytes.Buffer
_, err = io.Copy(&out, scripts[idx])
if err != nil {
t.Fatalf("err: %v", err)
}
if out.String() != expectedScriptOut {
t.Fatalf("bad: %v", out.String())
}
}
}
func TestResourceProvider_CollectScripts_scriptsEmpty(t *testing.T) {
p := Provisioner().(*schema.Provisioner)
conf := map[string]interface{}{
"scripts": []interface{}{""},
}
_, err := collectScripts(schema.TestResourceDataRaw(
t, p.Schema, conf))
if err == nil {
t.Fatal("expected error")
}
if !strings.Contains(err.Error(), "Error parsing") {
t.Fatalf("Expected parsing error, got: %s", err)
}
}
func TestProvisionerTimeout(t *testing.T) {
o := new(terraform.MockUIOutput)
c := new(communicator.MockCommunicator)
disconnected := make(chan struct{})
c.DisconnectFunc = func() error {
close(disconnected)
return nil
}
completed := make(chan struct{})
c.CommandFunc = func(cmd *remote.Cmd) error {
defer close(completed)
cmd.Init()
time.Sleep(2 * time.Second)
cmd.SetExitStatus(0, nil)
return nil
}
c.ConnTimeout = time.Second
c.UploadScripts = map[string]string{"hello": "echo hello"}
c.RemoteScriptPath = "hello"
p := Provisioner().(*schema.Provisioner)
conf := map[string]interface{}{
"inline": []interface{}{"echo hello"},
}
scripts, err := collectScripts(schema.TestResourceDataRaw(
t, p.Schema, conf))
if err != nil {
t.Fatal(err)
}
ctx := context.Background()
done := make(chan struct{})
go func() {
defer close(done)
if err := runScripts(ctx, o, c, scripts); err != nil {
t.Fatal(err)
}
}()
select {
case <-disconnected:
t.Fatal("communicator disconnected before command completed")
case <-completed:
}
<-done
}
func testConfig(t *testing.T, c map[string]interface{}) *terraform.ResourceConfig {
r, err := config.NewRawConfig(c)
if err != nil {
t.Fatalf("bad: %s", err)
}
return terraform.NewResourceConfig(r)
}