adding alloy

alloy/README.md

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+helm repo add grafana https://grafana.github.io/helm-charts
+helm repo update
+helm install alloy grafana/alloy --namespace alloy -f values.yaml

alloy/values.yaml

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+alloy:
+  clustering:
+    enabled: false # Single node deployment
+
+  configMap:
+    create: true
+    content: |-
+      discovery.kubernetes "all_pods" {
+        role = "pod"
+
+        selectors {
+          role  = "pod"
+          field = "spec.nodeName=" + coalesce(env("HOSTNAME"), constants.hostname)
+        }
+      }
+
+      discovery.relabel "all_pods" {
+        targets = discovery.kubernetes.all_pods.targets
+
+        rule {
+          source_labels = ["__meta_kubernetes_namespace"]
+          target_label  = "namespace"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_name"]
+          target_label  = "pod"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_container_name"]
+          target_label  = "container"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_label_app_kubernetes_io_name"]
+          target_label  = "app"
+        }
+      }
+
+      loki.source.kubernetes "all_logs" {
+        targets    = discovery.relabel.all_pods.output
+        forward_to = [loki.write.main.receiver]
+      }
+
+      discovery.kubernetes "shared_pods" {
+        role = "pod"
+        selectors {
+          role  = "pod"
+          field = "metadata.namespace=chacal"
+        }
+      }
+
+      discovery.relabel "shared_pods" {
+        targets = discovery.kubernetes.shared_pods.targets
+
+        rule {
+          source_labels = ["__meta_kubernetes_namespace"]
+          target_label  = "namespace"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_name"]
+          target_label  = "pod"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_container_name"]
+          target_label  = "container"
+        }
+        rule {
+          source_labels = ["__meta_kubernetes_pod_label_app_kubernetes_io_name"]
+          target_label  = "app"
+        }
+      }
+
+      loki.source.kubernetes "shared_logs" {
+        targets    = discovery.relabel.shared_pods.output
+        forward_to = [loki.write.shared.receiver]
+      }
+
+      loki.write "main" {
+        endpoint {
+          url = "http://loki.monitoring.svc.cluster.local:3100/loki/api/v1/push"
+          headers = {
+            "X-Scope-OrgID" = "main",
+          }
+        }
+      }
+
+      loki.write "shared" {
+        endpoint {
+          url = "http://loki.monitoring.svc.cluster.local:3100/loki/api/v1/push"
+          headers = {
+            "X-Scope-OrgID" = "chacal",
+          }
+        }
+      }
+
+  mounts:
+    varlog: true # Mount host /var/log for pod logs
+
+  controller:
+    type: daemonset # Run on every node
+
+  resources:
+    requests:
+      cpu: 100m
+      memory: 128Mi
+    limits:
+      cpu: 200m
+      memory: 256Mi