From 99f90e1544c16bc26205a4955aad8e95d0879e60 Mon Sep 17 00:00:00 2001
From: David Landry <david@dmwl.net>
Date: Sun, 8 Sep 2024 15:27:29 -0400
Subject: [PATCH] feat(monitoring): add Victoria Metrics cluster for ingesting
 Home Assistant metrics

---
 apps/monitoring/base/kustomization.yaml       |  7 +++
 apps/monitoring/base/vmagent.yaml             |  8 ++++
 apps/monitoring/base/vmauth.yaml              | 11 +++++
 apps/monitoring/base/vmcluster.yaml           | 45 +++++++++++++++++++
 .../monitoring/base/vmuser-homeassistant.yaml | 24 ++++++++++
 apps/monitoring/overlays/system/config.json   | 11 +++++
 .../overlays/system/kustomization.yaml        |  6 +++
 7 files changed, 112 insertions(+)
 create mode 100644 apps/monitoring/base/kustomization.yaml
 create mode 100644 apps/monitoring/base/vmagent.yaml
 create mode 100644 apps/monitoring/base/vmauth.yaml
 create mode 100644 apps/monitoring/base/vmcluster.yaml
 create mode 100644 apps/monitoring/base/vmuser-homeassistant.yaml
 create mode 100644 apps/monitoring/overlays/system/config.json
 create mode 100644 apps/monitoring/overlays/system/kustomization.yaml

diff --git a/apps/monitoring/base/kustomization.yaml b/apps/monitoring/base/kustomization.yaml
new file mode 100644
index 0000000..90fe93d
--- /dev/null
+++ b/apps/monitoring/base/kustomization.yaml
@@ -0,0 +1,7 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - vmagent.yaml
+  - vmauth.yaml
+  - vmcluster.yaml
+  - vmuser-homeassistant.yaml
diff --git a/apps/monitoring/base/vmagent.yaml b/apps/monitoring/base/vmagent.yaml
new file mode 100644
index 0000000..d0be9cf
--- /dev/null
+++ b/apps/monitoring/base/vmagent.yaml
@@ -0,0 +1,8 @@
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMAgent
+metadata:
+  name: metrics
+spec:
+  selectAllByDefault: true
+  remoteWrite:
+    - url: "http://vminsert-metrics.monitoring-system.svc:8480/insert/0/prometheus/api/v1/write"
diff --git a/apps/monitoring/base/vmauth.yaml b/apps/monitoring/base/vmauth.yaml
new file mode 100644
index 0000000..ac36785
--- /dev/null
+++ b/apps/monitoring/base/vmauth.yaml
@@ -0,0 +1,11 @@
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMAuth
+metadata:
+  name: metrics-auth
+spec:
+  selectAllByDefault: true
+  userNamespaceSelector: {}
+  userSelector: {}
+  ingress:
+    class_name: nginx
+    host: metrics.int.nc.landry.land
diff --git a/apps/monitoring/base/vmcluster.yaml b/apps/monitoring/base/vmcluster.yaml
new file mode 100644
index 0000000..4d4c13f
--- /dev/null
+++ b/apps/monitoring/base/vmcluster.yaml
@@ -0,0 +1,45 @@
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMCluster
+metadata:
+  name: metrics
+spec:
+  retentionPeriod: "1"
+  replicationFactor: 2
+  vmstorage:
+    replicaCount: 2
+    storageDataPath: "/vm-data"
+    storage:
+      volumeClaimTemplate:
+        spec:
+          resources:
+            requests:
+              storage: "10Gi"
+    resources:
+      limits:
+        cpu: "1"
+        memory: "1Gi"
+  vmselect:
+    replicaCount: 2
+    cacheMountPath: "/select-cache"
+    storage:
+      volumeClaimTemplate:
+        spec:
+          resources:
+            requests:
+              storage: "1Gi"
+    resources:
+      limits:
+        cpu: "1"
+        memory: "1Gi"
+      requests:
+        cpu: "0.5"
+        memory: "500Mi"
+  vminsert:
+    replicaCount: 2
+    resources:
+      limits:
+        cpu: "1"
+        memory: "1Gi"
+      requests:
+        cpu: "0.5"
+        memory: "500Mi"
diff --git a/apps/monitoring/base/vmuser-homeassistant.yaml b/apps/monitoring/base/vmuser-homeassistant.yaml
new file mode 100644
index 0000000..07c0dd6
--- /dev/null
+++ b/apps/monitoring/base/vmuser-homeassistant.yaml
@@ -0,0 +1,24 @@
+apiVersion: operator.victoriametrics.com/v1beta1
+kind: VMUser
+metadata:
+  name: metrics-user-home-assistant
+spec:
+  name: ha-metrics
+  username: ha-metrics
+  generatePassword: true
+  targetRefs:
+    # vmui + vmselect
+    - crd:
+        kind: VMCluster/vmselect
+        name: metrics
+        namespace: monitoring-system
+      target_path_suffix: "/select/0"
+      paths:
+        - "/vmui"
+        - "/vmui/.*"
+        - "/prometheus/api/v1/query"
+        - "/prometheus/api/v1/query_range"
+        - "/prometheus/api/v1/series"
+        - "/prometheus/api/v1/status/.*"
+        - "/prometheus/api/v1/label/"
+        - "/prometheus/api/v1/label/[^/]+/values"
diff --git a/apps/monitoring/overlays/system/config.json b/apps/monitoring/overlays/system/config.json
new file mode 100644
index 0000000..3bb854a
--- /dev/null
+++ b/apps/monitoring/overlays/system/config.json
@@ -0,0 +1,11 @@
+{
+  "appName": "monitoring",
+  "userGivenName": "monitoring",
+  "destNamespace": "monitoring-system",
+  "destServer": "https://kubernetes.default.svc",
+  "srcPath": "apps/monitoring/overlays/system",
+  "srcRepoURL": "ssh://git@gitea-ssh.gitops.svc.cluster.local:2222/davad/argo.git",
+  "srcTargetRevision": "",
+  "labels": null,
+  "annotations": null
+}
diff --git a/apps/monitoring/overlays/system/kustomization.yaml b/apps/monitoring/overlays/system/kustomization.yaml
new file mode 100644
index 0000000..e4d2d45
--- /dev/null
+++ b/apps/monitoring/overlays/system/kustomization.yaml
@@ -0,0 +1,6 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ../../base
+
+namespace: victoriametrics-system