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--- сервис_grafana [2024/06/20 15:50]
val [Настройка модуля smtp]
+++ сервис_grafana [2025/04/05 17:26] (current)
val [Kubernetes]
@@ Line 3: / Line 3: @@
   * [[https://geekflare.com/prometheus-grafana-setup-for-linux/|A Guide to Monitor Linux Server using Prometheus and Grafana]]
   * [[https://techexpert.tips/ru/grafana-ru/%D0%BD%D0%B0%D1%81%D1%82%D1%80%D0%BE%D0%B9%D0%BA%D0%B0-%D1%83%D0%B2%D0%B5%D0%B4%D0%BE%D0%BC%D0%BB%D0%B5%D0%BD%D0%B8%D0%B9-%D0%BF%D0%BE-%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D0%BD%D0%BD%D0%BE-2/|Настройка уведомлений по электронной почте Grafana]]
+  * [[https://grafana.com/docs/grafana/next/administration/organization-preferences/?cta=...#change-grafana-ui-theme|Смена "темы"]]
 ===== Установка =====
@@ Line 9: / Line 10: @@
   * [[https://grafana.com/docs/grafana/latest/installation/debian/|Install on Debian or Ubuntu]]
-==== Debian 10/Ubuntu 20 ====
-<code>
-# apt install -y apt-transport-https software-properties-common wget
-# wget -q -O - https://packages.grafana.com/gpg.key | sudo apt-key add -
-# echo "deb https://packages.grafana.com/oss/deb stable main" | tee -a /etc/apt/sources.list.d/grafana.list
-# apt update
-# apt install grafana
-# systemctl enable grafana-server.service
-# systemctl start grafana-server
-</code>
 ==== Docker ====
@@ Line 44: / Line 29: @@
   или
 # docker run -d -p 3000:3000 -v /etc/grafana:/etc/grafana --name grafana grafana/grafana-oss
+  или
+# docker run -d -p 3000:3000 --name grafana grafana/grafana-oss
 # docker update --restart=always grafana
@@ Line 50: / Line 37: @@
   * l:admin p:admin
   * [[http://server.corpX.un:3000]]
   * [[http://192.168.X.10:3000]]
-  * [[http://10.5.N.100+X:3000]]
+==== Kubernetes ====
+  * [[Сервис VictoriaMetrics]]
+<code>
+kube1# helm repo add grafana https://grafana.github.io/helm-charts
+kube1# helm repo update
+kube1:~/vm# cat my-grafana-values.yaml
+</code><code>
+  datasources:
+    datasources.yaml:
+      apiVersion: 1
+      datasources:
+        - name: victoriametrics
+          type: prometheus
+          orgId: 1
+          url: http://vmsingle-victoria-metrics-single-server:8428
+          access: proxy
+          isDefault: true
+          updateIntervalSeconds: 10
+          editable: true
+  dashboardProviders:
+   dashboardproviders.yaml:
+     apiVersion: 1
+     providers:
+     - name: 'default'
+       orgId: 1
+       folder: ''
+       type: file
+       disableDeletion: true
+       editable: true
+       options:
+         path: /var/lib/grafana/dashboards/default
+  dashboards:
+    default:
+      victoriametrics:
+        gnetId: 10229
+        revision: 22
+        datasource: victoriametrics
+      kubernetes:
+        gnetId: 14205
+        revision: 1
+        datasource: victoriametrics
+      node-exporter:
+        gnetId: 1860
+        revision: 37
+        datasource: victoriametrics
+</code><code>
+kube1:~/vm# helm upgrade -i my-grafana grafana/grafana -f my-grafana-values.yaml -n vm --create-namespace
+kube1# kubectl get secret -n vm my-grafana -o jsonpath="{.data.admin-password}" | base64 --decode ; echo
+cmder> kubectl -n vm port-forward svc/my-grafana 3000:80
+</code>
 ===== Интеграция с Prometheus =====
@@ Line 64: / Line 108: @@
   * [[https://grafana.com/grafana/dashboards|Official & community built dashboards]]
+  * [[https://grafana.com/grafana/dashboards/1860-node-exporter-full/|Node Exporter Full]]
 ==== Import dashboard ====
@@ Line 76: / Line 121: @@
   * !!! Не забыть сохранить !!!
+  * Лучше в folder1 (понадобится для alert)
 <code>
-+ Create
++ New dasboard->Add visualization
     Name: router
       Add New Panel
@@ Line 87: / Line 133: @@
         Query: A
+          Code
-          Metrics: 8*rate(ifInOctets{ifDescr="FastEthernet0/0",instance="router"}[1m])/1000000
+            Metrics: 8*rate(ifInOctets{ifDescr="FastEthernet0/0",instance="router"}[1m])/1000000
-            или
+              или
-          Metrics: rate(ifInOctets{ifDescr="Port-channel1",instance="router"}[1m])/125000
+            Metrics: rate(ifOutOctets{ifDescr="Port-channel1",instance="router"}[1m])/125000
+          Options->Legend->Custom: in Mbps
-          Legend: in Mbps
         Query: B
+          Code
-          Metrics: 8*irate(ifOutOctets{ifDescr="FastEthernet0/0",instance="router"}[1m])/1000000
+            Metrics: 8*irate(ifOutOctets{ifDescr="FastEthernet0/0",instance="router"}[1m])/1000000
-            или
+              или
-          Metrics: irate(ifOutOctets{ifDescr="Port-channel1",instance="router"}[1m])/125000
+            Metrics: irate(ifInOctets{ifDescr="Port-channel1",instance="router"}[1m])/125000
+          Options->Legend->Custom: out Mbps
-          Legend: out Mbps
 </code>
 ===== Настройка уведомлений =====
@@ Line 110: / Line 155: @@
 [smtp]
 enabled = true
-host = mail.isp.un:25
+host = server.corpX.un:25   #if docker, and may be, better use ip
-;host = localhost:25
+from_address = grafana@corpX.un
-;host = server.corpX.un:25   #if docker, and may be better use ip
-from_address = grafana@server.corpX.un
 ehlo_identity = server.corpX.un
 startTLS_policy = NoStartTLS
@@ Line 123: / Line 166: @@
 </code>
-==== grafana 7.X.X ====
+==== Настройка получателей ====
-  * Можно было задавать порог срабатывания прямо на графике!
 <code>
-Alerting->Notification Channels ...
+Alerting->Notification Channels/Contact points ...
   userX/Email/userX@isp.un
-  student/Email/student@corp13.un
+  student/Email/student@corpX.un
+</code>
+==== Настройка уведомлений ====
+=== Версия 11 ===
+<code>
+A:
+Define query and alert condition ->
+  Options -> Time Range: Last 15 minutes
+B: Delete
+C (можно дать другое имя, оно будет в сообщении): Set as Alert Conditions
+  Input: A
+  Function: Last
+D: Threshold
+  Input: C
+  IS Above: 1
+</code>
+=== Версия 7 ===
+<code>
 Dashboard->Panel (name)->Edit->Alert->...->
   Evaluate every: 15s For 1m

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