From 0b2d3c656f44839e9c4950c54e3a33ba99b0ea98 Mon Sep 17 00:00:00 2001
From: Joe Banks <joe@jb3.dev>
Date: Wed, 10 Apr 2024 00:02:47 +0100
Subject: Add Alloy Helm values

---
 kubernetes/namespaces/loki/alloy_values.yml | 69 +++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 kubernetes/namespaces/loki/alloy_values.yml

(limited to 'kubernetes/namespaces')

diff --git a/kubernetes/namespaces/loki/alloy_values.yml b/kubernetes/namespaces/loki/alloy_values.yml
new file mode 100644
index 0000000..9239bd3
--- /dev/null
+++ b/kubernetes/namespaces/loki/alloy_values.yml
@@ -0,0 +1,69 @@
+alloy:
+  configMap:
+    content: |-
+      logging {
+        level = "info"
+        format = "logfmt"
+      }
+
+      discovery.kubernetes "pods" {
+        namespaces {
+          own_namespace = false
+        }
+        role = "pod"
+        selectors {
+          role = "pod"
+          field = "spec.nodeName=" + coalesce(env("HOSTNAME"), constants.hostname)
+        }
+      }
+
+      discovery.relabel "pods" {
+        targets    = discovery.kubernetes.pods.targets
+
+        rule {
+            source_labels = ["__meta_kubernetes_namespace"]
+            target_label  = "namespace"
+            action        = "replace"
+        }
+
+        rule {
+            source_labels = ["__meta_kubernetes_pod_label_app"]
+            target_label  = "app"
+            action        = "replace"
+        }
+
+        rule {
+            source_labels = ["__meta_kubernetes_pod_label_app", "__meta_kubernetes_pod_container_name"]
+            separator     = "/"
+            target_label  = "app_container"
+            action        = "replace"
+        }
+
+        rule {
+            source_labels = ["__meta_kubernetes_pod_container_init"]
+            target_label  = "is_init"
+            action        = "replace"
+        }
+
+        rule {
+            source_labels = ["__meta_kubernetes_namespace", "__meta_kubernetes_pod_name"]
+            separator     = "/"
+            target_label  = "service_name"
+            action        = "replace"
+        }
+
+      }
+
+      loki.source.kubernetes "relabelledpods" {
+        targets    = discovery.relabel.pods.output
+        forward_to = [loki.write.local.receiver]
+      }
+
+      loki.write "local" {
+        endpoint {
+          url = "http://loki-gateway.loki.svc.cluster.local/loki/api/v1/push"
+          headers = {
+            "X-Scope-OrgID" = "1",
+          }
+        }
+      }
-- 
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