176 lines
4.6 KiB
YAML
176 lines
4.6 KiB
YAML
controller:
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type: 'deployment'
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tolerations:
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- key: "infra.limbosolutions.com/dedicated"
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operator: "Exists"
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effect: "NoSchedule"
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nodeSelector:
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kubernetes.io/hostname: casa-minion-01
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alloy:
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# https://grafana.com/docs/alloy/latest/collect/logs-in-kubernetes/
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configMap:
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content: |
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// ============================================
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// LOKI WRITE TARGET
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// ============================================
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loki.write "loki_srv" {
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endpoint {
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url = env("LOKI_URL")
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}
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}
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// ============================================
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// POD LOGS: DISCOVERY + RELABEL
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// ============================================
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// Discover Kubernetes pods
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discovery.kubernetes "pod_logs" {
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role = "pod"
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}
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discovery.relabel "pod_logs" {
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targets = discovery.kubernetes.pod_logs.targets
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rule {
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source_labels = ["__meta_kubernetes_namespace"]
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target_label = "namespace"
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}
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rule {
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source_labels = ["__meta_kubernetes_pod_name"]
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regex = "^(.+?)-[0-9a-zA-Z]{4,16}(?:-[0-9a-zA-Z]{4,16})?$"
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replacement = "$1"
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target_label = "pod"
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}
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rule {
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source_labels = ["__meta_kubernetes_pod_container_name"]
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target_label = "container"
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}
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rule {
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source_labels = ["__meta_kubernetes_node_name"]
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target_label = "node_name"
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}
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rule {
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source_labels = [
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"__meta_kubernetes_pod_controller_name",
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]
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regex = "([0-9a-z-.]+?)(-[0-9a-f]{8,10})?"
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target_label = "controller_name"
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}
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rule {
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source_labels = [
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"__meta_kubernetes_pod_label_app_kubernetes_io_name",
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"__meta_kubernetes_pod_label_app",
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"controller_name",
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"__meta_kubernetes_pod_name",
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]
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regex = "^;*([^;]+)(;.*)?$"
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target_label = "app"
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}
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rule {
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source_labels = [
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"__meta_kubernetes_pod_label_app_kubernetes_io_component",
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"__meta_kubernetes_pod_label_component",
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]
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regex = "^;*([^;]+)(;.*)?$"
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target_label = "component"
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}
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rule {
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source_labels = ["namespace", "app"]
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separator = "/"
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target_label = "job"
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}
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rule {
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source_labels = ["job", "container"]
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separator = ":"
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target_label = "instance"
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}
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rule {
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source_labels = ["__meta_kubernetes_pod_node_name"]
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separator = ":"
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target_label = "host"
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}
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}
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// ============================================
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// POD LOGS: SOURCE → PROCESS → WRITE
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// ============================================
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// Tail logs from Kubernetes pods
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loki.source.kubernetes "pod_logs" {
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// targets = discovery.kubernetes.pod_logs.targets
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targets = discovery.relabel.pod_logs.output
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forward_to = [loki.process.pod_logs.receiver]
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}
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// Add static labels and forward logs to Loki
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loki.process "pod_logs" {
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stage.static_labels {
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values = {
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cluster = env("CLUSTER_NAME"),
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zone = env("ZONE"),
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}
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}
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forward_to = [loki.write.loki_srv.receiver]
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}
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// ============================================
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// KUBERNETES EVENTS
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// ============================================
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// Tail Kubernetes events and convert them to log entries
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loki.source.kubernetes_events "cluster_events" {
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job_name = "integrations/kubernetes/eventhandler"
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log_format = "logfmt"
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forward_to = [
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loki.process.cluster_events.receiver,
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]
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}
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// Add static labels and forward events to Loki
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loki.process "cluster_events" {
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forward_to = [loki.write.loki_srv.receiver]
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stage.static_labels {
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values = {
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cluster = env("CLUSTER_NAME"),
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host = "casa-kube",
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job = "cluster_events",
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zone = env("ZONE"),
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}
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}
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// stage.labels {
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// values = {
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// kubernetes_cluster_events = "job",
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// }
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// }
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}
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extraEnv:
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- name: NODE_NAME
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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- name: CLUSTER_NAME
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value: casa
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- name: ZONE
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value: casa-vlan
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- name: LOKI_URL
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valueFrom:
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secretKeyRef:
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name: alloy-global
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key: loki_url
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