feat: Setup a logging system

Loki + Promtail

badhouseplants/helmfile.yaml

@@ -50,6 +50,16 @@ releases:
   - <<: *prometheus
     installed: false
     namespace: monitoring-system
+    createNamespace: true
+
+  - <<: *loki
+    installed: true
+    namespace: monitoring-system
+    createNamespace: false
+
+  - <<: *promtail
+    installed: true
+    namespace: monitoring-system
     createNamespace: false
 
 bases:

badhouseplants/values/values.loki.yaml

@@ -0,0 +1,7 @@
+---
+singleBinary:
+  replicas: 1
+loki:
+  auth_enabled: false
+  commonConfig:
+    replication_factor: 1

badhouseplants/values/values.prometheus.yaml

@@ -78,4 +78,15 @@ grafana:
         gnetId: 14584
         revision: 1
         datasource: Prometheus
-      
+  datasources:
+    loki.yaml:
+      apiVersion: 1
+      datasources:
+      - name: Loki
+        type: loki
+        access: proxy
+        uid: loki
+        editable: false
+        url: http://loki.monitoring-system:3100/
+        jsonData:
+          maxLines: 1000

badhouseplants/values/values.promtail.yaml

@@ -0,0 +1,5 @@
+---
+config:
+  clients:
+    #    - url: http://loki.monitoring-system:3100
+    - url: http://loki-gateway/loki/api/v1/push

releases.yaml

@@ -111,15 +111,36 @@ templates:
       - template: default-env-secrets
       - template: ext-istio-resource
   
+  monitoring-common:
+    labels: 
+      bundle: monitoring
+
   prometheus: &prometheus
     name: prometheus
     chart: prometheus-community/kube-prometheus-stack
     version: 47.1.0
     inherit:
+      - template: monitoring-common
       - template: default-env-values
       - template: default-env-secrets
       - template: crd-management-hook
       - template: ext-istio-resource
+ 
+  loki: &loki
+    name: loki
+    chart: grafana/loki
+    version: 5.6.4
+    inherit:
+      - template: monitoring-common
+      - template: default-env-values
+
+  promtail: &promtail
+    name: promtail
+    chart: grafana/promtail
+    version: 6.11.3
+    inherit:
+      - template: monitoring-common
+      - template: default-env-values
   # ----------------------------
   # -- Istio
   # ----------------------------

repositories.yaml

@@ -26,9 +26,9 @@ repositories:
     url: https://argoproj.github.io/argo-helm
   - name: bedag
     url: https://bedag.github.io/helm-charts/
-  # - name: mailu
-    # url: https://mailu.github.io/helm-charts/
   - name: metallb
     url: https://metallb.github.io/metallb
   - name: prometheus-community
     url: https://prometheus-community.github.io/helm-charts
+  - name: grafana
+    url: https://grafana.github.io/helm-charts