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Merge pull request #258 from Alan01252/feature/alertmanager
Add alertmanager provider
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,92 @@ | ||
| /* | ||
| Copyright 2020 The Flux authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package notifier | ||
|
|
||
| import ( | ||
| "crypto/x509" | ||
| "fmt" | ||
| "net/url" | ||
| "strings" | ||
|
|
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| "github.com/fluxcd/pkg/runtime/events" | ||
| ) | ||
|
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| type Alertmanager struct { | ||
| URL string | ||
| ProxyURL string | ||
| CertPool *x509.CertPool | ||
| } | ||
|
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| type AlertManagerAlert struct { | ||
| Status string `json:"status"` | ||
| Labels map[string]string `json:"labels"` | ||
| Annotations map[string]string `json:"annotations"` | ||
| } | ||
|
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| func NewAlertmanager(hookURL string, proxyURL string, certPool *x509.CertPool) (*Alertmanager, error) { | ||
| _, err := url.ParseRequestURI(hookURL) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("invalid Alertmanager URL %s", hookURL) | ||
| } | ||
|
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| return &Alertmanager{ | ||
| URL: hookURL, | ||
| ProxyURL: proxyURL, | ||
| CertPool: certPool, | ||
| }, nil | ||
| } | ||
|
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| func (s *Alertmanager) Post(event events.Event) error { | ||
| // Skip any update events | ||
| if isCommitStatus(event.Metadata, "update") { | ||
| return nil | ||
| } | ||
|
|
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| annotations := make(map[string]string) | ||
| annotations["message"] = event.Message | ||
|
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| _, ok := event.Metadata["summary"] | ||
| if ok { | ||
| annotations["summary"] = event.Metadata["summary"] | ||
| delete(event.Metadata, "summary") | ||
| } | ||
|
|
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| labels := event.Metadata | ||
| labels["alertname"] = "Flux" + event.InvolvedObject.Kind + strings.Title(event.Reason) | ||
| labels["severity"] = event.Severity | ||
| labels["reason"] = event.Reason | ||
|
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| labels["kind"] = event.InvolvedObject.Kind | ||
| labels["name"] = event.InvolvedObject.Name | ||
| labels["namespace"] = event.InvolvedObject.Namespace | ||
| labels["reportingcontroller"] = event.ReportingController | ||
|
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| payload := []AlertManagerAlert{ | ||
| { | ||
| Labels: labels, | ||
| Annotations: annotations, | ||
| Status: "firing", | ||
| }, | ||
| } | ||
|
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| err := postMessage(s.URL, s.ProxyURL, s.CertPool, payload) | ||
|
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| if err != nil { | ||
| return fmt.Errorf("postMessage failed: %w", err) | ||
| } | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| /* | ||
| Copyright 2020 The Flux authors | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package notifier | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "io/ioutil" | ||
| "net/http" | ||
| "net/http/httptest" | ||
| "testing" | ||
|
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| "github.com/stretchr/testify/require" | ||
| ) | ||
|
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| func TestAlertmanager_Post(t *testing.T) { | ||
| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| b, err := ioutil.ReadAll(r.Body) | ||
| require.NoError(t, err) | ||
| var payload []AlertManagerAlert | ||
| err = json.Unmarshal(b, &payload) | ||
| require.NoError(t, err) | ||
|
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| })) | ||
| defer ts.Close() | ||
|
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| alertmanager, err := NewAlertmanager(ts.URL, "", nil) | ||
| require.NoError(t, err) | ||
|
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| err = alertmanager.Post(testEvent()) | ||
| require.NoError(t, err) | ||
| } |
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