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Add support for Google Chat alerts (#953)
Add gchat alerting support Signed-off-by: fpinna <fplkid@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| /* | ||
| 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 ( | ||
| "fmt" | ||
| "net/url" | ||
| ) | ||
|
|
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| // Google Chat holds the incoming webhook URL | ||
| type GChat struct { | ||
| URL string | ||
| ProxyURL string | ||
| } | ||
|
|
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| // GChatPayload holds the message | ||
| type GChatPayload struct { | ||
| Cards []GChatCards `json:"cards"` | ||
| } | ||
|
|
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| // Start - GChatCards holds the canary analysis result | ||
| type GChatCards struct { | ||
| Header GChatHeader `json:"header"` | ||
| Sections []*GChatSections `json:"sections"` | ||
| } | ||
|
|
||
| type GChatHeader struct { | ||
| Title string `json:"title"` | ||
| SubTitle string `json:"subtitle"` | ||
| ImageUrl string `json:"imageUrl"` | ||
| } | ||
|
|
||
| type GChatSections struct { | ||
| Widgets []GChatWidgets `json:"widgets"` | ||
| } | ||
|
|
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| type GChatWidgets struct { | ||
| TextParagraph GChatText `json:"textParagraph"` | ||
| } | ||
|
|
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| type GChatField struct { | ||
| Name string `json:"name"` | ||
| Value string `json:"value"` | ||
| } | ||
|
|
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| type GChatText struct { | ||
| Text string `json:"text"` | ||
| } | ||
|
|
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| // NewGChat validates the GChat URL and returns a GChat object | ||
| func NewGChat(hookURL string, proxyURL string) (*GChat, error) { | ||
| _, err := url.ParseRequestURI(hookURL) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("invalid Google Chat webhook URL %s", hookURL) | ||
| } | ||
|
|
||
| return &GChat{ | ||
| URL: hookURL, | ||
| ProxyURL: proxyURL, | ||
| }, nil | ||
| } | ||
|
|
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| // Post Google Chat message | ||
| func (s *GChat) Post(workload string, namespace string, message string, fields []Field, severity string) error { | ||
| facts := make([]*GChatSections, 0, len(fields)) | ||
| facts = append(facts, &GChatSections{ | ||
| Widgets: []GChatWidgets{ | ||
| { | ||
| TextParagraph: GChatText{ | ||
| Text: "<font color=#848484><strong>" + message + "</strong></font>", | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
| for _, f := range fields { | ||
| facts = append(facts, &GChatSections{ | ||
| Widgets: []GChatWidgets{ | ||
| { | ||
| TextParagraph: GChatText{ | ||
| Text: f.Name + "<br><font color=#848484><strong>" + f.Value + "</strong></font>", | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
| } | ||
|
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| payload := GChatPayload{ | ||
| Cards: []GChatCards{ | ||
| { | ||
| Header: GChatHeader{ | ||
| Title: "Flagger", | ||
| SubTitle: fmt.Sprintf("%s.%s", workload, namespace), | ||
| ImageUrl: "https://flagger.app/favicon.png", | ||
| }, | ||
| Sections: facts, | ||
| }, | ||
| }, | ||
| } | ||
|
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| err := postMessage(s.URL, s.ProxyURL, payload) | ||
| 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 +1,53 @@ | ||
| /* | ||
| 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 TestGChat_Post(t *testing.T) { | ||
|
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| fields := []Field{ | ||
| {Name: "name1", Value: "value1"}, | ||
| {Name: "name2", Value: "value2"}, | ||
| } | ||
|
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| ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { | ||
| b, err := ioutil.ReadAll(r.Body) | ||
| require.NoError(t, err) | ||
|
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| var payload = GChatPayload{} | ||
| err = json.Unmarshal(b, &payload) | ||
| require.NoError(t, err) | ||
| require.Equal(t, "podinfo.test", payload.Cards[0].Header.SubTitle) | ||
| require.Equal(t, len(fields), len(payload.Cards[0].Sections)-1) | ||
| })) | ||
| defer ts.Close() | ||
|
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| GChat, err := NewGChat(ts.URL, "") | ||
| require.NoError(t, err) | ||
|
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| err = GChat.Post("podinfo", "test", "test", fields, "info") | ||
| require.NoError(t, err) | ||
| } |