func (c *IAM) WaitUntilInstanceProfileExists(input *GetInstanceProfileInput) error {
waiterCfg := waiter.Config{
Operation: "GetInstanceProfile",
Delay: 1,
MaxAttempts: 40,
Acceptors: []waiter.WaitAcceptor{
{
State: "success",
Matcher: "status",
Argument: "",
Expected: 200,
},
{
State: "retry",
Matcher: "status",
Argument: "",
Expected: 404,
},
},
}
w := waiter.Waiter{
Client: c,
Input: input,
Config: waiterCfg,
}
return w.Wait()
}
func (c *IAM) WaitUntilUserExists(input *GetUserInput) error {
waiterCfg := waiter.Config{
Operation: "GetUser",
Delay: 1,
MaxAttempts: 20,
Acceptors: []waiter.WaitAcceptor{
{
State: "success",
Matcher: "status",
Argument: "",
Expected: 200,
},
{
State: "retry",
Matcher: "error",
Argument: "",
Expected: "NoSuchEntity",
},
},
}
w := waiter.Waiter{
Client: c,
Input: input,
Config: waiterCfg,
}
return w.Wait()
}
func TestWaiterStatus(t *testing.T) {
svc := &mockClient{Client: awstesting.NewClient(&aws.Config{
Region: aws.String("mock-region"),
})}
svc.Handlers.Send.Clear() // mock sending
svc.Handlers.Unmarshal.Clear()
svc.Handlers.UnmarshalMeta.Clear()
svc.Handlers.ValidateResponse.Clear()
reqNum := 0
svc.Handlers.Build.PushBack(func(r *request.Request) {
reqNum++
})
svc.Handlers.Send.PushBack(func(r *request.Request) {
code := 200
if reqNum == 3 {
code = 404
r.Error = awserr.New("NotFound", "Not Found", nil)
}
r.HTTPResponse = &http.Response{
StatusCode: code,
Status: http.StatusText(code),
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}
})
waiterCfg := waiter.Config{
Operation: "Mock",
Delay: 0,
MaxAttempts: 10,
Acceptors: []waiter.WaitAcceptor{
{
State: "success",
Matcher: "status",
Argument: "",
Expected: 404,
},
},
}
w := waiter.Waiter{
Client: svc,
Input: &MockInput{},
Config: waiterCfg,
}
err := w.Wait()
assert.NoError(t, err)
assert.Equal(t, 3, reqNum)
}
func TestWaiterPathAll(t *testing.T) {
svc := &mockClient{Client: awstesting.NewClient(&aws.Config{
Region: aws.String("mock-region"),
})}
svc.Handlers.Send.Clear() // mock sending
svc.Handlers.Unmarshal.Clear()
svc.Handlers.UnmarshalMeta.Clear()
svc.Handlers.ValidateResponse.Clear()
reqNum := 0
resps := []*MockOutput{
{ // Request 1
States: []*MockState{
{State: aws.String("pending")},
{State: aws.String("pending")},
},
},
{ // Request 2
States: []*MockState{
{State: aws.String("running")},
{State: aws.String("pending")},
},
},
{ // Request 3
States: []*MockState{
{State: aws.String("running")},
{State: aws.String("running")},
},
},
}
numBuiltReq := 0
svc.Handlers.Build.PushBack(func(r *request.Request) {
numBuiltReq++
})
svc.Handlers.Unmarshal.PushBack(func(r *request.Request) {
if reqNum >= len(resps) {
assert.Fail(t, "too many polling requests made")
return
}
r.Data = resps[reqNum]
reqNum++
})
waiterCfg := waiter.Config{
Operation: "Mock",
Delay: 0,
MaxAttempts: 10,
Acceptors: []waiter.WaitAcceptor{
{
State: "success",
Matcher: "pathAll",
Argument: "States[].State",
Expected: "running",
},
},
}
w := waiter.Waiter{
Client: svc,
Input: &MockInput{},
Config: waiterCfg,
}
err := w.Wait()
assert.NoError(t, err)
assert.Equal(t, 3, numBuiltReq)
assert.Equal(t, 3, reqNum)
}
func TestWaiterError(t *testing.T) {
svc := &mockClient{Client: awstesting.NewClient(&aws.Config{
Region: aws.String("mock-region"),
})}
svc.Handlers.Send.Clear() // mock sending
svc.Handlers.Unmarshal.Clear()
svc.Handlers.UnmarshalMeta.Clear()
svc.Handlers.UnmarshalError.Clear()
svc.Handlers.ValidateResponse.Clear()
reqNum := 0
resps := []*MockOutput{
{ // Request 1
States: []*MockState{
{State: aws.String("pending")},
{State: aws.String("pending")},
},
},
{ // Request 2, error case
},
{ // Request 3
States: []*MockState{
{State: aws.String("running")},
{State: aws.String("running")},
},
},
}
numBuiltReq := 0
svc.Handlers.Build.PushBack(func(r *request.Request) {
numBuiltReq++
})
svc.Handlers.Send.PushBack(func(r *request.Request) {
code := 200
if reqNum == 1 {
code = 400
}
r.HTTPResponse = &http.Response{
StatusCode: code,
Status: http.StatusText(code),
Body: ioutil.NopCloser(bytes.NewReader([]byte{})),
}
})
svc.Handlers.Unmarshal.PushBack(func(r *request.Request) {
if reqNum >= len(resps) {
assert.Fail(t, "too many polling requests made")
return
}
r.Data = resps[reqNum]
reqNum++
})
svc.Handlers.UnmarshalMeta.PushBack(func(r *request.Request) {
if reqNum == 1 {
r.Error = awserr.New("MockException", "mock exception message", nil)
// If there was an error unmarshal error will be called instead of unmarshal
// need to increment count here also
reqNum++
}
})
waiterCfg := waiter.Config{
Operation: "Mock",
Delay: 0,
MaxAttempts: 10,
Acceptors: []waiter.WaitAcceptor{
{
State: "success",
Matcher: "pathAll",
Argument: "States[].State",
Expected: "running",
},
{
State: "retry",
Matcher: "error",
Argument: "",
Expected: "MockException",
},
},
}
w := waiter.Waiter{
Client: svc,
Input: &MockInput{},
Config: waiterCfg,
}
err := w.Wait()
assert.NoError(t, err)
assert.Equal(t, 3, numBuiltReq)
assert.Equal(t, 3, reqNum)
}