feat: Set up Alloy

kustomize-bases/alloy/kustomization.yaml

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+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: alloy
+
+resources:
+  - namespace.yaml
+
+helmCharts:
+  - name: alloy
+    repo: https://grafana.github.io/helm-charts
+    version: "1.4.0"
+    releaseName: alloy
+    valuesFile: values.yaml

kustomize-bases/alloy/namespace.yaml

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+---
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: alloy

kustomize-bases/alloy/values.yaml

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+crds:
+  # -- Whether to install CRDs for monitoring.
+  create: true
+
+## Various Alloy settings. For backwards compatibility with the grafana-agent
+## chart, this field may also be called "agent". Naming this field "agent" is
+## deprecated and will be removed in a future release.
+alloy:
+  configMap:
+    # -- Create a new ConfigMap for the config file.
+    create: false
+
+    # -- Name of existing ConfigMap to use. Used when create is false.
+    name: alloy-config
+    # -- Key in ConfigMap to get config from.
+    key: config.alloy
+
+rbac:
+  # -- Whether to create RBAC resources for Alloy.
+  create: true
+
+  # -- The rules to create for the ClusterRole or Role objects.
+  rules:
+    # -- Rules required for the `discovery.kubernetes` component.
+    - apiGroups: ["", "discovery.k8s.io", "networking.k8s.io"]
+      resources: ["endpoints", "endpointslices", "ingresses", "pods", "services"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `loki.source.kubernetes` component.
+    - apiGroups: [""]
+      resources: ["pods", "pods/log", "namespaces"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `loki.source.podlogs` component.
+    - apiGroups: ["monitoring.grafana.com"]
+      resources: ["podlogs"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `mimir.rules.kubernetes` component.
+    - apiGroups: ["monitoring.coreos.com"]
+      resources: ["prometheusrules"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `prometheus.operator.*` components.
+    - apiGroups: ["monitoring.coreos.com"]
+      resources: ["podmonitors", "servicemonitors", "probes", "scrapeconfigs"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `loki.source.kubernetes_events` component.
+    - apiGroups: [""]
+      resources: ["events"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `remote.kubernetes.*` components.
+    - apiGroups: [""]
+      resources: ["configmaps", "secrets"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for the `otelcol.processor.k8sattributes` component.
+    - apiGroups: ["apps", "extensions"]
+      resources: ["replicasets"]
+      verbs: ["get", "list", "watch"]
+
+  # -- The rules to create for the ClusterRole objects.
+  clusterRules:
+    # -- Rules required for the `discovery.kubernetes` component.
+    - apiGroups: [""]
+      resources: ["nodes", "nodes/proxy", "nodes/metrics"]
+      verbs: ["get", "list", "watch"]
+    # -- Rules required for accessing metrics endpoint.
+    - nonResourceURLs: ["/metrics"]
+      verbs: ["get"]
+
+serviceAccount:
+  # -- Whether to create a service account for the Grafana Alloy deployment.
+  create: true
+  # -- Additional labels to add to the created service account.
+  additionalLabels: {}
+  # -- Annotations to add to the created service account.
+  annotations: {}
+  # -- The name of the existing service account to use when
+  # serviceAccount.create is false.
+  name: null
+  # Whether the Alloy pod should automatically mount the service account token.
+  automountServiceAccountToken: true
+
+# Options for the extra controller used for config reloading.
+configReloader:
+  # -- Enables automatically reloading when the Alloy config changes.
+  enabled: true
+  image:
+    # -- Config reloader image registry (defaults to docker.io)
+    registry: "quay.io"
+    # -- Repository to get config reloader image from.
+    repository: prometheus-operator/prometheus-config-reloader
+    # -- Tag of image to use for config reloading.
+    tag: v0.81.0
+    # -- SHA256 digest of image to use for config reloading (either in format "sha256:XYZ" or "XYZ"). When set, will override `configReloader.image.tag`
+    digest: ""
+  # -- Override the args passed to the container.
+  customArgs: []
+  # -- Resource requests and limits to apply to the config reloader container.
+  resources:
+    requests:
+      cpu: "10m"
+      memory: "50Mi"
+  # -- Security context to apply to the Grafana configReloader container.
+  securityContext: {}
+
+service:
+  # -- Creates a Service for the controller's pods.
+  enabled: true
+  # -- Service type
+  type: ClusterIP
+  # -- NodePort port. Only takes effect when `service.type: NodePort`
+  nodePort: 31128
+  # -- Cluster IP, can be set to None, empty "" or an IP address
+  clusterIP: ''
+  # -- Value for internal traffic policy. 'Cluster' or 'Local'
+  internalTrafficPolicy: Cluster
+  annotations: {}
+    # cloud.google.com/load-balancer-type: Internal