terraform/terraform/terraform_test.go

573 lines
9.0 KiB
Go

package terraform
import (
"bytes"
"crypto/sha1"
"encoding/gob"
"encoding/hex"
"io/ioutil"
"os"
"path/filepath"
"sync"
"testing"
"github.com/hashicorp/terraform/config"
"github.com/hashicorp/terraform/config/module"
)
// This is the directory where our test fixtures are.
const fixtureDir = "./test-fixtures"
func checksumStruct(t *testing.T, i interface{}) string {
// TODO(mitchellh): write a library to do this because gob is not
// deterministic in order
return "foo"
buf := new(bytes.Buffer)
enc := gob.NewEncoder(buf)
if err := enc.Encode(i); err != nil {
t.Fatalf("err: %s", err)
}
sum := sha1.Sum(buf.Bytes())
return hex.EncodeToString(sum[:])
}
func tempDir(t *testing.T) string {
dir, err := ioutil.TempDir("", "tf")
if err != nil {
t.Fatalf("err: %s", err)
}
if err := os.RemoveAll(dir); err != nil {
t.Fatalf("err: %s", err)
}
return dir
}
func testConfig(t *testing.T, name string) *config.Config {
c, err := config.Load(filepath.Join(fixtureDir, name, "main.tf"))
if err != nil {
t.Fatalf("err: %s", err)
}
return c
}
func testModule(t *testing.T, name string) *module.Tree {
mod, err := module.NewTreeModule("", filepath.Join(fixtureDir, name))
if err != nil {
t.Fatalf("err: %s", err)
}
s := &module.FolderStorage{StorageDir: tempDir(t)}
if err := mod.Load(s, module.GetModeGet); err != nil {
t.Fatalf("err: %s", err)
}
return mod
}
func testProviderFuncFixed(rp ResourceProvider) ResourceProviderFactory {
return func() (ResourceProvider, error) {
return rp, nil
}
}
func testProvisionerFuncFixed(rp ResourceProvisioner) ResourceProvisionerFactory {
return func() (ResourceProvisioner, error) {
return rp, nil
}
}
// HookRecordApplyOrder is a test hook that records the order of applies
// by recording the PreApply event.
type HookRecordApplyOrder struct {
NilHook
Active bool
IDs []string
States []*InstanceState
Diffs []*InstanceDiff
l sync.Mutex
}
func (h *HookRecordApplyOrder) PreApply(
id string,
s *InstanceState,
d *InstanceDiff) (HookAction, error) {
if h.Active {
h.l.Lock()
defer h.l.Unlock()
h.IDs = append(h.IDs, id)
h.Diffs = append(h.Diffs, d)
h.States = append(h.States, s)
}
return HookActionContinue, nil
}
// Below are all the constant strings that are the expected output for
// various tests.
const testTerraformApplyStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyCancelStr = `
aws_instance.foo:
ID = foo
num = 2
`
const testTerraformApplyComputeStr = `
aws_instance.bar:
ID = foo
foo = computed_dynamical
type = aws_instance
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
dynamical = computed_dynamical
num = 2
type = aws_instance
`
const testTerraformApplyMinimalStr = `
aws_instance.bar:
ID = foo
aws_instance.foo:
ID = foo
`
const testTerraformApplyProvisionerStr = `
aws_instance.bar:
ID = foo
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
dynamical = computed_dynamical
num = 2
type = aws_instance
`
const testTerraformApplyProvisionerFailStr = `
aws_instance.bar: (1 tainted)
ID = <not created>
Tainted ID 1 = foo
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyProvisionerResourceRefStr = `
aws_instance.bar:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyDestroyStr = `
<no state>
`
const testTerraformApplyErrorStr = `
aws_instance.bar:
ID = bar
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
num = 2
`
const testTerraformApplyErrorPartialStr = `
aws_instance.bar:
ID = bar
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
num = 2
`
const testTerraformApplyTaintStr = `
aws_instance.bar:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyOutputStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
Outputs:
foo_num = 2
`
const testTerraformApplyOutputMultiStr = `
aws_instance.bar.0:
ID = foo
foo = bar
type = aws_instance
aws_instance.bar.1:
ID = foo
foo = bar
type = aws_instance
aws_instance.bar.2:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
Outputs:
foo_num = bar,bar,bar
`
const testTerraformApplyOutputMultiIndexStr = `
aws_instance.bar.0:
ID = foo
foo = bar
type = aws_instance
aws_instance.bar.1:
ID = foo
foo = bar
type = aws_instance
aws_instance.bar.2:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
Outputs:
foo_num = bar
`
const testTerraformApplyUnknownAttrStr = `
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyVarsStr = `
aws_instance.bar:
ID = foo
bar = foo
baz = override
foo = us-west-2
type = aws_instance
aws_instance.foo:
ID = foo
bar = baz
num = 2
type = aws_instance
`
const testTerraformPlanStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanComputedStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "<computed>"
type: "" => "aws_instance"
CREATE: aws_instance.foo
foo: "" => "<computed>"
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanComputedIdStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "<computed>"
type: "" => "aws_instance"
CREATE: aws_instance.foo
foo: "" => "<computed>"
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanComputedListStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "<computed>"
type: "" => "aws_instance"
CREATE: aws_instance.foo
list.#: "" => "<computed>"
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "foo,foo,foo,foo,foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.0
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.1
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.2
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.3
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.4
foo: "" => "foo"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountDecreaseStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "bar"
type: "" => "aws_instance"
DESTROY: aws_instance.foo.1
DESTROY: aws_instance.foo.2
STATE:
aws_instance.foo.0:
ID = bar
foo = foo
type = aws_instance
aws_instance.foo.1:
ID = bar
aws_instance.foo.2:
ID = bar
`
const testTerraformPlanCountIncreaseStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "bar"
type: "" => "aws_instance"
CREATE: aws_instance.foo.1
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.2
foo: "" => "foo"
type: "" => "aws_instance"
STATE:
aws_instance.foo:
ID = bar
foo = foo
type = aws_instance
`
const testTerraformPlanCountIncreaseFromOneStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "bar"
type: "" => "aws_instance"
CREATE: aws_instance.foo.1
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo.2
foo: "" => "foo"
type: "" => "aws_instance"
STATE:
aws_instance.foo.0:
ID = bar
foo = foo
type = aws_instance
`
const testTerraformPlanDestroyStr = `
DIFF:
DESTROY: aws_instance.one
DESTROY: aws_instance.two
STATE:
aws_instance.one:
ID = bar
aws_instance.two:
ID = baz
`
const testTerraformPlanDiffVarStr = `
DIFF:
CREATE: aws_instance.bar
num: "" => "3"
type: "" => "aws_instance"
UPDATE: aws_instance.foo
num: "2" => "3"
STATE:
aws_instance.foo:
ID = bar
num = 2
`
const testTerraformPlanEmptyStr = `
DIFF:
CREATE: aws_instance.bar
CREATE: aws_instance.foo
STATE:
<no state>
`
const testTerraformPlanOrphanStr = `
DIFF:
DESTROY: aws_instance.baz
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
aws_instance.baz:
ID = bar
`
const testTerraformPlanStateStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
UPDATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
aws_instance.foo:
ID = bar
`
const testTerraformPlanTaintStr = `
DIFF:
DESTROY/CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
STATE:
aws_instance.bar: (1 tainted)
ID = <not created>
Tainted ID 1 = baz
aws_instance.foo:
ID = bar
num = 2
`
const testTerraformPlanMultipleTaintStr = `
DIFF:
DESTROY/CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
STATE:
aws_instance.bar: (2 tainted)
ID = <not created>
Tainted ID 1 = baz
Tainted ID 2 = zip
aws_instance.foo:
ID = bar
num = 2
`
const testTerraformPlanVarMultiCountOneStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`