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Merge pull request prometheus#1929 from simonpasquier/refactor-notify
Split the notify package into sub packages
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| // Copyright 2019 Prometheus Team | ||
| // 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 main | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| commoncfg "github.com/prometheus/common/config" | ||
| "github.com/stretchr/testify/require" | ||
|
|
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| "github.com/prometheus/alertmanager/config" | ||
| "github.com/prometheus/alertmanager/notify" | ||
| ) | ||
|
|
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| type sendResolved bool | ||
|
|
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| func (s sendResolved) SendResolved() bool { return bool(s) } | ||
|
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| func TestBuildReceiverIntegrations(t *testing.T) { | ||
| for _, tc := range []struct { | ||
| receiver *config.Receiver | ||
| err bool | ||
| exp []notify.Integration | ||
| }{ | ||
| { | ||
| receiver: &config.Receiver{ | ||
| Name: "foo", | ||
| WebhookConfigs: []*config.WebhookConfig{ | ||
| &config.WebhookConfig{ | ||
| HTTPConfig: &commoncfg.HTTPClientConfig{}, | ||
| }, | ||
| &config.WebhookConfig{ | ||
| HTTPConfig: &commoncfg.HTTPClientConfig{}, | ||
| NotifierConfig: config.NotifierConfig{ | ||
| VSendResolved: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| exp: []notify.Integration{ | ||
| notify.NewIntegration(nil, sendResolved(false), "webhook", 0), | ||
| notify.NewIntegration(nil, sendResolved(true), "webhook", 1), | ||
| }, | ||
| }, | ||
| { | ||
| receiver: &config.Receiver{ | ||
| Name: "foo", | ||
| WebhookConfigs: []*config.WebhookConfig{ | ||
| &config.WebhookConfig{ | ||
| HTTPConfig: &commoncfg.HTTPClientConfig{ | ||
| TLSConfig: commoncfg.TLSConfig{ | ||
| CAFile: "not_existing", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| err: true, | ||
| }, | ||
| } { | ||
| tc := tc | ||
| t.Run("", func(t *testing.T) { | ||
| integrations, err := buildReceiverIntegrations(tc.receiver, nil, nil) | ||
| if tc.err { | ||
| require.Error(t, err) | ||
| return | ||
| } | ||
| require.NoError(t, err) | ||
| require.Len(t, integrations, len(tc.exp)) | ||
| for i := range tc.exp { | ||
| require.Equal(t, tc.exp[i].SendResolved(), integrations[i].SendResolved()) | ||
| require.Equal(t, tc.exp[i].Name(), integrations[i].Name()) | ||
| require.Equal(t, tc.exp[i].Index(), integrations[i].Index()) | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // Copyright 2019 Prometheus Team | ||
| // 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. | ||
|
|
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| package hipchat | ||
|
|
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| import ( | ||
| "bytes" | ||
| "context" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/http" | ||
|
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| "github.com/go-kit/kit/log" | ||
| commoncfg "github.com/prometheus/common/config" | ||
|
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| "github.com/prometheus/alertmanager/config" | ||
| "github.com/prometheus/alertmanager/notify" | ||
| "github.com/prometheus/alertmanager/template" | ||
| "github.com/prometheus/alertmanager/types" | ||
| ) | ||
|
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| // Notifier implements a Notifier for Hipchat notifications. | ||
| type Notifier struct { | ||
| conf *config.HipchatConfig | ||
| tmpl *template.Template | ||
| logger log.Logger | ||
| client *http.Client | ||
| } | ||
|
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| // New returns a new Hipchat notification handler. | ||
| func New(c *config.HipchatConfig, t *template.Template, l log.Logger) (*Notifier, error) { | ||
| client, err := commoncfg.NewClientFromConfig(*c.HTTPConfig, "hipchat") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &Notifier{ | ||
| conf: c, | ||
| tmpl: t, | ||
| logger: l, | ||
| client: client, | ||
| }, nil | ||
| } | ||
|
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| type hipchatReq struct { | ||
| From string `json:"from"` | ||
| Notify bool `json:"notify"` | ||
| Message string `json:"message"` | ||
| MessageFormat string `json:"message_format"` | ||
| Color string `json:"color"` | ||
| } | ||
|
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| // Notify implements the Notifier interface. | ||
| func (n *Notifier) Notify(ctx context.Context, as ...*types.Alert) (bool, error) { | ||
| var err error | ||
| var msg string | ||
| var ( | ||
| data = notify.GetTemplateData(ctx, n.tmpl, as, n.logger) | ||
| tmplText = notify.TmplText(n.tmpl, data, &err) | ||
| tmplHTML = notify.TmplHTML(n.tmpl, data, &err) | ||
| roomid = tmplText(n.conf.RoomID) | ||
| apiURL = n.conf.APIURL.Copy() | ||
| ) | ||
| apiURL.Path += fmt.Sprintf("v2/room/%s/notification", roomid) | ||
| q := apiURL.Query() | ||
| q.Set("auth_token", string(n.conf.AuthToken)) | ||
| apiURL.RawQuery = q.Encode() | ||
|
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| if n.conf.MessageFormat == "html" { | ||
| msg = tmplHTML(n.conf.Message) | ||
| } else { | ||
| msg = tmplText(n.conf.Message) | ||
| } | ||
|
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| req := &hipchatReq{ | ||
| From: tmplText(n.conf.From), | ||
| Notify: n.conf.Notify, | ||
| Message: msg, | ||
| MessageFormat: n.conf.MessageFormat, | ||
| Color: tmplText(n.conf.Color), | ||
| } | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
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| var buf bytes.Buffer | ||
| if err := json.NewEncoder(&buf).Encode(req); err != nil { | ||
| return false, err | ||
| } | ||
|
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| resp, err := notify.PostJSON(ctx, n.client, apiURL.String(), &buf) | ||
| if err != nil { | ||
| return true, notify.RedactURL(err) | ||
| } | ||
| defer notify.Drain(resp) | ||
|
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| return n.retry(resp.StatusCode) | ||
| } | ||
|
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| func (n *Notifier) retry(statusCode int) (bool, error) { | ||
| // Response codes 429 (rate limiting) and 5xx can potentially recover. | ||
| // 2xx response codes indicate successful requests. | ||
| // https://developer.atlassian.com/hipchat/guide/hipchat-rest-api/api-response-codes | ||
| if statusCode/100 != 2 { | ||
| return (statusCode == 429 || statusCode/100 == 5), fmt.Errorf("unexpected status code %v", statusCode) | ||
| } | ||
|
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| return false, nil | ||
| } |
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