terraform/terraform/terraform_test.go

1303 lines
20 KiB
Go

package terraform
import (
"bytes"
"crypto/sha1"
"encoding/gob"
"encoding/hex"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"sync"
"testing"
"github.com/hashicorp/go-getter"
"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
}
// tempEnv lets you temporarily set an environment variable. It returns
// the old value that should be set via a defer.
func tempEnv(t *testing.T, k string, v string) string {
old := os.Getenv(k)
os.Setenv(k, v)
return old
}
func testConfig(t *testing.T, name string) *config.Config {
c, err := config.LoadFile(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 := &getter.FolderStorage{StorageDir: tempDir(t)}
if err := mod.Load(s, module.GetModeGet); err != nil {
t.Fatalf("err: %s", err)
}
return mod
}
func testStringMatch(t *testing.T, s fmt.Stringer, expected string) {
actual := strings.TrimSpace(s.String())
expected = strings.TrimSpace(expected)
if actual != expected {
t.Fatalf("Actual\n\n%s\n\nExpected:\n\n%s", actual, expected)
}
}
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(
info *InstanceInfo,
s *InstanceState,
d *InstanceDiff) (HookAction, error) {
if h.Active {
h.l.Lock()
defer h.l.Unlock()
h.IDs = append(h.IDs, info.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 testTerraformInputProviderStr = `
aws_instance.bar:
ID = foo
bar = override
foo = us-east-1
type = aws_instance
aws_instance.foo:
ID = foo
bar = baz
num = 2
type = aws_instance
`
const testTerraformInputProviderOnlyStr = `
aws_instance.foo:
ID = foo
foo = us-west-2
type = aws_instance
`
const testTerraformInputVarOnlyStr = `
aws_instance.foo:
ID = foo
foo = us-east-1
type = aws_instance
`
const testTerraformInputVarOnlyUnsetStr = `
aws_instance.foo:
ID = foo
bar = baz
foo = foovalue
type = aws_instance
`
const testTerraformInputVarsStr = `
aws_instance.bar:
ID = foo
bar = override
foo = us-east-1
type = aws_instance
aws_instance.foo:
ID = foo
bar = baz
num = 2
type = aws_instance
`
const testTerraformApplyStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyProviderAliasStr = `
aws_instance.bar:
ID = foo
provider = aws.bar
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyEmptyModuleStr = `
<no state>
Outputs:
end = XXXX
module.child:
<no state>
Outputs:
aws_access_key = YYYYY
aws_route53_zone_id = XXXX
aws_secret_key = ZZZZ
`
const testTerraformApplyDependsCreateBeforeStr = `
aws_instance.lb:
ID = foo
instance = foo
type = aws_instance
Dependencies:
aws_instance.web
aws_instance.web:
ID = foo
require_new = ami-new
type = aws_instance
`
const testTerraformApplyCreateBeforeStr = `
aws_instance.bar:
ID = foo
require_new = xyz
type = aws_instance
`
const testTerraformApplyCreateBeforeUpdateStr = `
aws_instance.bar:
ID = foo
foo = baz
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 testTerraformApplyCountDecStr = `
aws_instance.foo.0:
ID = bar
foo = foo
type = aws_instance
aws_instance.foo.1:
ID = bar
foo = foo
type = aws_instance
`
const testTerraformApplyCountDecToOneStr = `
aws_instance.foo:
ID = bar
foo = foo
type = aws_instance
`
const testTerraformApplyCountDecToOneCorruptedStr = `
aws_instance.foo:
ID = bar
foo = foo
type = aws_instance
`
const testTerraformApplyCountDecToOneCorruptedPlanStr = `
DIFF:
DESTROY: aws_instance.foo.0
STATE:
aws_instance.foo:
ID = bar
foo = foo
type = aws_instance
aws_instance.foo.0:
ID = baz
type = aws_instance
`
const testTerraformApplyCountTaintedStr = `
<no state>
`
const testTerraformApplyCountVariableStr = `
aws_instance.foo.0:
ID = foo
foo = foo
type = aws_instance
aws_instance.foo.1:
ID = foo
foo = foo
type = aws_instance
`
const testTerraformApplyMinimalStr = `
aws_instance.bar:
ID = foo
aws_instance.foo:
ID = foo
`
const testTerraformApplyModuleStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
module.child:
aws_instance.baz:
ID = foo
foo = bar
type = aws_instance
`
const testTerraformApplyModuleBoolStr = `
aws_instance.bar:
ID = foo
foo = 1
type = aws_instance
Dependencies:
module.child
module.child:
<no state>
Outputs:
leader = 1
`
const testTerraformApplyModuleDestroyOrderStr = `
<no state>
module.child:
<no state>
`
const testTerraformApplyMultiProviderStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
do_instance.foo:
ID = foo
num = 2
type = do_instance
`
const testTerraformApplyModuleOnlyProviderStr = `
<no state>
module.child:
aws_instance.foo:
ID = foo
test_instance.foo:
ID = foo
`
const testTerraformApplyModuleProviderAliasStr = `
<no state>
module.child:
aws_instance.foo:
ID = foo
provider = aws.eu
`
const testTerraformApplyOutputOrphanStr = `
<no state>
Outputs:
foo = bar
`
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 testTerraformApplyProvisionerFailCreateStr = `
aws_instance.bar: (1 tainted)
ID = <not created>
Tainted ID 1 = foo
`
const testTerraformApplyProvisionerFailCreateNoIdStr = `
<no state>
`
const testTerraformApplyProvisionerFailCreateBeforeDestroyStr = `
aws_instance.bar: (1 tainted)
ID = bar
require_new = abc
Tainted ID 1 = foo
`
const testTerraformApplyProvisionerResourceRefStr = `
aws_instance.bar:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyProvisionerSelfRefStr = `
aws_instance.foo:
ID = foo
foo = bar
type = aws_instance
`
const testTerraformApplyProvisionerMultiSelfRefStr = `
aws_instance.foo.0:
ID = foo
foo = number 0
type = aws_instance
aws_instance.foo.1:
ID = foo
foo = number 1
type = aws_instance
aws_instance.foo.2:
ID = foo
foo = number 2
type = aws_instance
`
const testTerraformApplyProvisionerDiffStr = `
aws_instance.bar:
ID = foo
foo = bar
type = aws_instance
`
const testTerraformApplyDestroyStr = `
<no state>
`
const testTerraformApplyDestroyNestedModuleStr = `
module.child.subchild:
<no state>
`
const testTerraformApplyErrorStr = `
aws_instance.bar:
ID = bar
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
num = 2
`
const testTerraformApplyErrorCreateBeforeDestroyStr = `
aws_instance.bar:
ID = bar
require_new = abc
`
const testTerraformApplyErrorDestroyCreateBeforeDestroyStr = `
aws_instance.bar: (1 deposed)
ID = foo
Deposed ID 1 = bar
`
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 testTerraformApplyTaintDepStr = `
aws_instance.bar:
ID = bar
foo = foo
num = 2
type = aws_instance
Dependencies:
aws_instance.foo
aws_instance.foo:
ID = foo
num = 2
type = aws_instance
`
const testTerraformApplyTaintDepRequireNewStr = `
aws_instance.bar:
ID = foo
foo = foo
require_new = yes
type = aws_instance
Dependencies:
aws_instance.foo
aws_instance.foo:
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 testTerraformApplyOutputListStr = `
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 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 testTerraformApplyVarsEnvStr = `
aws_instance.bar:
ID = foo
foo = baz
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 testTerraformPlanCountIndexStr = `
DIFF:
CREATE: aws_instance.foo.0
foo: "" => "0"
type: "" => "aws_instance"
CREATE: aws_instance.foo.1
foo: "" => "1"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountIndexZeroStr = `
DIFF:
CREATE: aws_instance.foo
foo: "" => "0"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountOneIndexStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "foo"
type: "" => "aws_instance"
CREATE: aws_instance.foo
foo: "" => "foo"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountZeroStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => ""
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanCountVarStr = `
DIFF:
CREATE: aws_instance.bar
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"
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 testTerraformPlanCountIncreaseFromOneCorruptedStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "bar"
type: "" => "aws_instance"
DESTROY: aws_instance.foo
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
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 testTerraformPlanModulesStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleCycleStr = `
DIFF:
CREATE: aws_instance.b
CREATE: aws_instance.c
some_input: "" => "<computed>"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleDestroyStr = `
DIFF:
DESTROY: aws_instance.foo
module.child:
DESTROY MODULE
DESTROY: aws_instance.foo
STATE:
aws_instance.foo:
ID = bar
module.child:
aws_instance.foo:
ID = bar
`
const testTerraformPlanModuleDestroyCycleStr = `
DIFF:
module.a_module:
DESTROY MODULE
DESTROY: aws_instance.a
module.b_module:
DESTROY MODULE
DESTROY: aws_instance.b
STATE:
module.a_module:
aws_instance.a:
ID = a
module.b_module:
aws_instance.b:
ID = b
`
const testTerraformPlanModuleDestroyMultivarStr = `
DIFF:
module.child:
DESTROY MODULE
DESTROY: aws_instance.foo.0
DESTROY: aws_instance.foo.1
STATE:
<no state>
module.child:
aws_instance.foo.0:
ID = bar0
aws_instance.foo.1:
ID = bar1
`
const testTerraformPlanModuleInputStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
foo: "" => "42"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleInputComputedStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "<computed>"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
foo: "" => "<computed>"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleInputVarStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
foo: "" => "52"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleMultiVarStr = `
DIFF:
CREATE: aws_instance.parent.0
CREATE: aws_instance.parent.1
module.child:
CREATE: aws_instance.bar.0
baz: "" => "baz"
type: "" => "aws_instance"
CREATE: aws_instance.bar.1
baz: "" => "baz"
type: "" => "aws_instance"
CREATE: aws_instance.foo
foo: "" => "baz,baz"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleOrphansStr = `
DIFF:
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
module.child:
DESTROY: aws_instance.foo
STATE:
module.child:
aws_instance.foo:
ID = baz
`
const testTerraformPlanModuleVarStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "2"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleVarComputedStr = `
DIFF:
CREATE: aws_instance.bar
foo: "" => "<computed>"
type: "" => "aws_instance"
module.child:
CREATE: aws_instance.foo
foo: "" => "<computed>"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanModuleVarIntStr = `
DIFF:
module.child:
CREATE: aws_instance.foo
num: "" => "2"
type: "" => "aws_instance"
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>
`
const testTerraformPlanPathVarStr = `
DIFF:
CREATE: aws_instance.foo
cwd: "" => "%s/barpath"
module: "" => "%s/foopath"
root: "" => "%s/barpath"
type: "" => "aws_instance"
STATE:
<no state>
`
const testTerraformPlanIgnoreChangesStr = `
DIFF:
UPDATE: aws_instance.foo
type: "" => "aws_instance"
STATE:
aws_instance.foo:
ID = bar
ami = ami-abcd1234
`