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Merge pull request #158 from GaruGaru/master
Slack notification integration
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,16 @@ | ||
| package notifier | ||
|
|
||
| import ( | ||
| v1 "k8s.io/api/core/v1" | ||
| ) | ||
|
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| const NotifierNoop = "noop" | ||
|
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| type Noop struct { | ||
| Calls int | ||
| } | ||
|
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| func (t *Noop) NotifyPodTermination(pod v1.Pod) error { | ||
| t.Calls++ | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package notifier | ||
|
|
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| import ( | ||
| multierror "github.com/hashicorp/go-multierror" | ||
| v1 "k8s.io/api/core/v1" | ||
| ) | ||
|
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| type Notifier interface { | ||
| NotifyPodTermination(pod v1.Pod) error | ||
| } | ||
|
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| type Notifiers struct { | ||
| notifiers []Notifier | ||
| } | ||
|
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| func New() *Notifiers { | ||
| return &Notifiers{notifiers: make([]Notifier, 0)} | ||
| } | ||
|
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| func (m *Notifiers) NotifyPodTermination(pod v1.Pod) error { | ||
| var result error | ||
| for _, n := range m.notifiers { | ||
| if err := n.NotifyPodTermination(pod); err != nil { | ||
| result = multierror.Append(result, err) | ||
| } | ||
| } | ||
| return result | ||
| } | ||
|
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| func (m *Notifiers) Add(notifier Notifier) { | ||
| m.notifiers = append(m.notifiers, notifier) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package notifier | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/hashicorp/go-multierror" | ||
| "testing" | ||
|
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| v1 "k8s.io/api/core/v1" | ||
|
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| "github.com/linki/chaoskube/internal/testutil" | ||
|
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| "github.com/stretchr/testify/suite" | ||
| ) | ||
|
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| type NotifierSuite struct { | ||
| testutil.TestSuite | ||
| } | ||
|
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| type FailingNotifier struct{} | ||
|
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| func (f FailingNotifier) NotifyPodTermination(pod v1.Pod) error { | ||
| return fmt.Errorf("notify error") | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithoutNotifiers() { | ||
| manager := New() | ||
| err := manager.NotifyPodTermination(v1.Pod{}) | ||
| suite.NoError(err) | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithNotifier() { | ||
| manager := New() | ||
| n := Noop{} | ||
| manager.Add(&n) | ||
| err := manager.NotifyPodTermination(v1.Pod{}) | ||
| suite.Require().NoError(err) | ||
|
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| suite.Equal(1, n.Calls) | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithMultipleNotifier() { | ||
| manager := New() | ||
| n1 := Noop{} | ||
| n2 := Noop{} | ||
| manager.Add(&n1) | ||
| manager.Add(&n2) | ||
|
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| err := manager.NotifyPodTermination(v1.Pod{}) | ||
| suite.Require().NoError(err) | ||
|
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| suite.Equal(1, n1.Calls) | ||
| suite.Equal(1, n2.Calls) | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithNotifierError() { | ||
| manager := New() | ||
| f := FailingNotifier{} | ||
| manager.Add(&f) | ||
| err := manager.NotifyPodTermination(v1.Pod{}) | ||
| suite.Require().Error(err) | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithNotifierMultipleError() { | ||
| manager := New() | ||
| f0 := FailingNotifier{} | ||
| f1 := FailingNotifier{} | ||
| manager.Add(&f0) | ||
| manager.Add(&f1) | ||
| err := manager.NotifyPodTermination(v1.Pod{}).(*multierror.Error) | ||
| suite.Require().Error(err) | ||
| suite.Require().Len(err.Errors, 2) | ||
| } | ||
|
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| func (suite *NotifierSuite) TestMultiNotifierWithOneFailingNotifier() { | ||
| manager := New() | ||
| f := FailingNotifier{} | ||
| n := Noop{} | ||
| manager.Add(&n) | ||
| manager.Add(&f) | ||
| err := manager.NotifyPodTermination(v1.Pod{}).(*multierror.Error) | ||
| suite.Require().Error(err) | ||
| suite.Require().Len(err.Errors, 1) | ||
| } | ||
|
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| func TestNotifierSuite(t *testing.T) { | ||
| suite.Run(t, new(NotifierSuite)) | ||
| } |
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