feat(grafana): add chart

grafana/READEME.md

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+# Grafana
+
+## Installation
+
+### Grafana Minikube cluster setup
+
+```bash
+minikube start --memory=4096 --cpus=2 --disk-size=30g --kubernetes-version=v1.25.14 --nodes 3 --profile grafana
+minikube addons enable -p grafana metrics-server
+minikube addons disable -p grafana storage-provisioner
+minikube addons disable -p grafana default-storageclass
+# minikube addons disalbe -p grafana volumesnapshots
+# minikube addons disalbe -p grafana csi-hostpath-driver
+# kubectl patch storageclass csi-hostpath-sc -p '{"metadata": {"annotations":{"storageclass.kubernetes.io/is-default-class":"true"}}}'
+minikube dashboard
+```
+
+```bash
+cat <<EOF | kubectl apply -f -
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: standard
+  annotations:
+    storageclass.kubernetes.io/is-default-class: "true"
+provisioner: kubevirt.io/hostpath-provisioner
+volumeBindingMode: WaitForFirstConsumer
+reclaimPolicy: Delete
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: kubevirt-hostpath-provisioner
+subjects:
+- kind: ServiceAccount
+  name: kubevirt-hostpath-provisioner-admin
+  namespace: kube-system
+roleRef:
+  kind: ClusterRole
+  name: kubevirt-hostpath-provisioner
+  apiGroup: rbac.authorization.k8s.io
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: kubevirt-hostpath-provisioner
+rules:
+  - apiGroups: [""]
+    resources: ["nodes"]
+    verbs: ["get"]
+  - apiGroups: [""]
+    resources: ["persistentvolumes"]
+    verbs: ["get", "list", "watch", "create", "delete"]
+  - apiGroups: [""]
+    resources: ["persistentvolumeclaims"]
+    verbs: ["get", "list", "watch", "update"]
+
+  - apiGroups: ["storage.k8s.io"]
+    resources: ["storageclasses"]
+    verbs: ["get", "list", "watch"]
+
+  - apiGroups: [""]
+    resources: ["events"]
+    verbs: ["list", "watch", "create", "update", "patch"]
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kubevirt-hostpath-provisioner-admin
+  namespace: kube-system
+---
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: kubevirt-hostpath-provisioner
+  labels:
+    k8s-app: kubevirt-hostpath-provisioner
+  namespace: kube-system
+spec:
+  selector:
+    matchLabels:
+      k8s-app: kubevirt-hostpath-provisioner
+  template:
+    metadata:
+      labels:
+        k8s-app: kubevirt-hostpath-provisioner
+    spec:
+      serviceAccountName: kubevirt-hostpath-provisioner-admin
+      containers:
+        - name: kubevirt-hostpath-provisioner
+          image: quay.io/kubevirt/hostpath-provisioner
+          imagePullPolicy: Always
+          env:
+            - name: USE_NAMING_PREFIX
+              value: "false" # change to true, to have the name of the pvc be part of the directory
+            - name: NODE_NAME
+              valueFrom:
+                fieldRef:
+                  fieldPath: spec.nodeName
+            - name: PV_DIR
+              value: /tmp/hostpath-provisioner
+          volumeMounts:
+            - name: pv-volume # root dir where your bind mounts will be on the node
+              mountPath: /tmp/hostpath-provisioner/
+              #nodeSelector:
+              #- name: xxxxxx
+      volumes:
+        - name: pv-volume
+          hostPath:
+            path: /tmp/hostpath-provisioner/
+EOF
+```
+
+## Prerequsites
+
+### minio
+
+```bash
+helm repo add minio-operator https://operator.min.io
+
+helm install \
+  --namespace minio-operator-system \
+  --create-namespace \
+  minio-operator minio-operator/operator
+```
+
+minio console
+
+```bash
+kubectl port-forward svc/console -n minio-operator-system 9090:9090
+kubectl get secret/console-sa-secret -n minio-operator-system -o json | jq -r ".data.token" | base64 -d
+# access to localhost:9090 and then create TEANT, name is grafana
+
+kubectl port-forward svc/grafana-console -n grafana 9443:9443 # you can access TENANT console
+# you can access key from get minio console TENANT>grafana>Configration Tab> ENV variables
+# access to localhost:9443 and then create grafana-loki.local bucket
+# create Access Keys grafana-loki
+# Set up region name Administrator>Settings>>Region>local save and restart
+```
+
+## Grafana Helms
+
+### Loki
+
+```bash
+helm repo add grafana https://grafana.github.io/helm-charts
+helm install -n grafana --values loki/values.yaml loki grafana/loki
+```
+
+### Promtail
+
+```bash
+helm upgrade --install --values promtail/values.yaml -n grafana promtail grafana/promtail
+```
+
+### grafana
+
+```bash
+helm upgrade --install --values values.yaml -n grafana grafana grafana/grafana
+```

grafana/loki/values.yaml

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+loki:
+  auth_enabled: false
+  storage:
+    bucketNames:
+      chunks: chunks.loki.local
+      ruler: ruler.loki.local
+      admin: admin.loki.local
+    type: s3
+    s3:
+      endpoint: https://minio.grafana.svc.cluster.local
+      region: local
+      secretAccessKey: iUerATCmkmu4bhtmpttrXCJb7rvxEiZdAt9cFyeI
+      accessKeyId: jHtX1ehHN6bCgcfBOREH
+      s3ForcePathStyle: true
+      insecure: true
+      http_config:
+        insecure_skip_verify: true
+minio:
+  enabled: false

grafana/promtail/values.yaml

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+config:
+  # publish data to loki
+  clients:
+    - url: http://loki-gateway.grafana.svc.cluster.local/loki/api/v1/push