From a11a43c757879f3437cc3f8e8ae69c2ead1ac861 Mon Sep 17 00:00:00 2001
From: Song Meo <songmeo@k-space.ee>
Date: Thu, 15 Sep 2022 21:12:33 +0300
Subject: [PATCH] alertmanager: email config

---
 prometheus-operator/alertmanager-config.yml | 80 +++++++++++++++++++++
 prometheus-operator/application.yml         |  3 +
 2 files changed, 83 insertions(+)
 create mode 100644 prometheus-operator/alertmanager-config.yml

diff --git a/prometheus-operator/alertmanager-config.yml b/prometheus-operator/alertmanager-config.yml
new file mode 100644
index 0000000..d2df166
--- /dev/null
+++ b/prometheus-operator/alertmanager-config.yml
@@ -0,0 +1,80 @@
+apiVersion: monitoring.coreos.com/v1alpha1
+kind: AlertmanagerConfig
+metadata:
+  name: email
+  labels:
+    alertmanagerConfig: email
+spec:
+  route:
+    group_by: [email]
+    receiver: test_router
+    # When the first notification was sent, wait 'group_interval' to send a batch
+    # of new alerts that started firing for that group.
+    group_interval: 1s
+    # If an alert has successfully been sent, wait 'repeat_interval' to
+    # resend them.
+    repeat_interval: 24h
+    routes:
+      - match:
+          severity: critical
+        group_wait: 1s
+      - match:
+          severity: error
+        group_wait: 30m
+      - match:
+          severity: warning
+        group_wait: 4h
+      - match:
+          severity: info
+        group_wait: 24h
+  receivers:
+    - name: email_router
+      email_configs:
+    #  - to: "{{ .GroupLabels.email }}"
+      - to: 'Lauri Võsandi <lauri@k-space.ee>'
+        from: 'Alerting <alerting@k-space.ee>'
+        smarthost: mail.k-space.ee:465
+        require_tls: false
+        auth_username: 'alerting'
+        auth_password: '5A8m0Y9yC4NcFXztmwMb'
+        headers:
+          subject: "You have {{ .Alerts.Firing | len }} firing alerts at {{ .CommonLabels.severity }} level"
+        html: |
+          Hi {{ .GroupLabels.email }},
+          <p>
+          You have the following firing alerts:
+          <ul>
+          {{ range .Alerts }}
+          <li>{{.Labels.alertname}} on {{ .Labels.instance }}</li>
+          {{ end }}
+          </ul>
+          </p>
+          For more info see <a href="https://prom.k-space.ee/alerts">Prometheus alerts page</a>.
+          <br><br>
+          To silence alerts visit <a href="https://am.k-space.ee">Alert manager page</a>.
+    - name: test_router
+      email_configs:
+    #  - to: "{{ .GroupLabels.email }}"
+      - to: 'Song Meo <songmeo@k-space.ee>'
+        from: 'Alerting <alerting@k-space.ee>'
+        smarthost: mail.k-space.ee:465
+        require_tls: false
+        auth_username: 'alerting'
+        auth_password: 
+          name: email-config
+          key: auth_password
+        headers:
+          subject: "[test] You have {{ .Alerts.Firing | len }} firing alerts at {{ .CommonLabels.severity }} level"
+        html: |
+          Hi,
+          <p>
+          You have the following firing alerts:
+          <ul>
+          {{ range .Alerts }}
+          <li>{{.Labels.alertname}} on {{ .Labels.instance }}</li>
+          {{ end }}
+          </ul>
+          </p>
+          For more info see <a href="https://prom.k-space.ee/alerts">Prometheus alerts page</a>.
+          <br><br>
+          To silence alerts visit <a href="https://am.k-space.ee">Alert manager page</a>.    
diff --git a/prometheus-operator/application.yml b/prometheus-operator/application.yml
index 0fe2131..546e3e1 100644
--- a/prometheus-operator/application.yml
+++ b/prometheus-operator/application.yml
@@ -15,6 +15,9 @@ kind: Alertmanager
 metadata:
   name: alertmanager
 spec:
+  alertmanagerConfigSelector:
+    matchLabels:
+      alertmanagerConfig: email
   nodeSelector:
     dedicated: monitoring
   tolerations: