Merge pull request 'alloy_implementation' (#13) from alloy_implementation into development

Reviewed-on: #13
Reviewed-by: Christopher.Hase <Christopher.Hase@telekom.de>

.gitignore

@@ -0,0 +1 @@
+/.history

template/stacks/core/ingress-apps/alloy.yaml

@@ -0,0 +1,18 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: alloy
+  namespace: monitoring
+spec:
+  ingressClassName: nginx
+  rules:
+  - host: {{{ .Env.DOMAIN }}}
+    http:
+      paths:
+      - backend:
+          service:
+            name: alloy
+            port:
+              number: 12345
+        path: /alloy
+        pathType: Prefix

template/stacks/monitoring/alloy.yaml

@@ -1,7 +1,7 @@
 apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata:
-  name: promtail
+  name: alloy
   namespace: argocd
   labels:
     env: dev
@@ -18,12 +18,12 @@ spec:
     name: in-cluster
     namespace: monitoring
   sources:
-    - repoURL: https://github.com/grafana/helm-charts
+    - repoURL: https://github.com/grafana/alloy.git
-      path:     charts/promtail   
+      path: operations/helm/charts/alloy   
       targetRevision: HEAD      
       helm:
         valueFiles:
-          - $values/stacks/monitoring/promtail/values.yaml
+          - $values/stacks/monitoring/alloy/values.yaml
     - repoURL: https://{{{ .Env.DOMAIN_GITEA }}}/giteaAdmin/edfbuilder
       targetRevision: HEAD
       ref: values

template/stacks/monitoring/alloy/values.yaml

@@ -0,0 +1,78 @@
+alloy:
+  create: false
+  name: alloy-config
+  key: config.alloy
+
+  uiPathPrefix: "/alloy"
+
+  configMap:
+    content: |-
+
+      logging {
+        level  = "info"
+        format = "logfmt"
+      }
+
+      loki.write "local_loki" {
+          endpoint {
+              url = "http://loki-loki-distributed-gateway/loki/api/v1/push"
+          }
+      }
+
+      discovery.kubernetes "pod" {
+        role = "pod"
+      }
+
+      discovery.kubernetes "nodes" {
+        role = "node"
+      }
+
+      discovery.kubernetes "services" {
+        role = "service"
+      }
+
+      discovery.kubernetes "endpoints" {
+        role = "endpoints"
+      }
+
+      discovery.kubernetes "endpointslices" {
+        role = "endpointslice"
+      }
+
+      discovery.kubernetes "ingresses" {
+        role = "ingress"
+      }
+
+      discovery.relabel "pod_logs" {
+        targets = discovery.kubernetes.pod.targets
+
+        rule {
+          source_labels = ["__meta_kubernetes_namespace"]
+          action        = "replace"
+          target_label  = "namespace"
+        }
+
+        rule {
+          source_labels = ["__meta_kubernetes_pod_name"]
+          action        = "replace"
+          target_label  = "pod"
+        }
+
+        rule {
+          source_labels = ["__meta_kubernetes_pod_node_name"]
+          action        = "replace"
+          target_label  = "node"
+        }
+
+        rule {
+          source_labels = ["__meta_kubernetes_pod_container_name"]
+          action        = "replace"
+          target_label  = "container"
+        }
+
+      }
+
+      loki.source.kubernetes "all_pod_logs" {
+        targets    = discovery.relabel.pod_logs.output
+        forward_to = [loki.write.local_loki.receiver]
+      }

template/stacks/monitoring/kube-prometheus/dashboards/dashboard_loki_container.yaml

@@ -110,12 +110,12 @@ data:
                             "uid": "P8E80F9AEF21F6940"
                         },
                         "editorMode": "builder",
-                        "expr": "{container=\"promtail\"} |= ``",
+                        "expr": "{container=\"alloy\"} |= ``",
                         "queryType": "range",
                         "refId": "A"
                     }
                 ],
-                "title": "Logs: Container promtail",
+                "title": "Logs: Container alloy",
                 "type": "logs"
             },
             {

template/stacks/monitoring/promtail/values.yaml

@@ -1,45 +0,0 @@
-# -- Overrides the chart's name
-nameOverride: null
-
-# -- Overrides the chart's computed fullname
-fullnameOverride: null
-
-global:
-  # -- Allow parent charts to override registry hostname
-  imageRegistry: ""
-  # -- Allow parent charts to override registry credentials
-  imagePullSecrets: []
-
-daemonset:
-  # -- Deploys Promtail as a DaemonSet
-  enabled: true
-  autoscaling:
-    # -- Creates a VerticalPodAutoscaler for the daemonset
-    enabled: false
-
-deployment:
-  # -- Deploys Promtail as a Deployment
-  enabled: false    
-
-config:
-  enabled: true
-  logLevel: info
-  logFormat: logfmt
-  serverPort: 3101
-  clients:
-    - url: http://loki-loki-distributed-gateway/loki/api/v1/push
-  scrape_configs:
-  - job_name: authlog
-    static_configs:
-    - targets:
-        - authlog
-      labels:
-        job: authlog
-        __path__: /logs/auth.log
-  - job_name: syslog
-    static_configs:
-    - targets:
-        - syslog
-      labels:
-        job: syslog
-        __path__: /logs/syslog