From 945d73589619c4c89d600a03da9df98afb34f162 Mon Sep 17 00:00:00 2001
From: wserr <serruys.willem@hotmail.com>
Date: Mon, 20 Jun 2022 19:24:42 +0200
Subject: [PATCH] update helm chart + development machine instructions

---
 Development.md                      | 45 +++++++++++++++++++++++++++++
 helm/Chart.yaml                     |  2 ++
 helm/README.md                      |  3 ++
 helm/templates/MQTT/configmap.yml   |  0
 helm/templates/MQTT/pvc.yml         | 12 ++++++++
 helm/templates/MQTT/service.yml     |  0
 helm/templates/MQTT/statefulset.yml | 28 ++++++++++++++++++
 7 files changed, 90 insertions(+)
 create mode 100644 Development.md
 create mode 100644 helm/Chart.yaml
 create mode 100644 helm/README.md
 create mode 100644 helm/templates/MQTT/configmap.yml
 create mode 100644 helm/templates/MQTT/pvc.yml
 create mode 100644 helm/templates/MQTT/service.yml
 create mode 100644 helm/templates/MQTT/statefulset.yml

diff --git a/Development.md b/Development.md
new file mode 100644
index 0000000..b4748bb
--- /dev/null
+++ b/Development.md
@@ -0,0 +1,45 @@
+# Development setup
+
+## Install kubectl on client machine
+
+See [installation tutorial here](https://kubernetes.io/docs/tasks/tools/install-kubectl-linux/)
+
+## Install helm on client machine
+
+See [installation tutorial here](https://helm.sh/docs/intro/install/)
+
+## Configure cluster with kubectl
+
+- Get cluster info with command `microk8s config`
+- Add the cluster info to the kubectl config file on the client machine at `~/.kube/config`
+
+Example config file
+
+```bash
+apiVersion: v1 
+clusters: 
+- cluster:  
+    certificate-authority-data: 
+    ......
+      server: https://63.250.54.81:16443  
+  name: homeserver  
+contexts:  
+- context:  
+    cluster: homeserver 
+    user: admin  
+  name: homeserver 
+current-context: homeserver 
+kind: Config  
+preferences: {}  
+users:  
+- name: admin  
+  user:  
+    token: TnNDNURIV1I3RFdFMFora1NEaTdlNi9uNEgwR0pHRVRVajdPeFFrYWUvND0K  
+```
+
+- In config file above, change context name
+- To use this cluster with kubectl, enter `kubectl config use-context homeserver`
+
+## Configure cluster with helm
+
+- Run `helm --kube-context homeserver`
diff --git a/helm/Chart.yaml b/helm/Chart.yaml
new file mode 100644
index 0000000..98b3ae6
--- /dev/null
+++ b/helm/Chart.yaml
@@ -0,0 +1,2 @@
+name: homeautomation
+version: 0.0.1
diff --git a/helm/README.md b/helm/README.md
new file mode 100644
index 0000000..dc85335
--- /dev/null
+++ b/helm/README.md
@@ -0,0 +1,3 @@
+# Helm
+
+This folder contains the helm template for my home automation setup.
\ No newline at end of file
diff --git a/helm/templates/MQTT/configmap.yml b/helm/templates/MQTT/configmap.yml
new file mode 100644
index 0000000..e69de29
diff --git a/helm/templates/MQTT/pvc.yml b/helm/templates/MQTT/pvc.yml
new file mode 100644
index 0000000..323d3b9
--- /dev/null
+++ b/helm/templates/MQTT/pvc.yml
@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mosquitto-pvc
+spec:
+  accessModes:
+  - ReadWriteOnce
+  storageClassName: microk8s-hostpath
+  resources:
+    requests:
+      storage: 1Gi
+
diff --git a/helm/templates/MQTT/service.yml b/helm/templates/MQTT/service.yml
new file mode 100644
index 0000000..e69de29
diff --git a/helm/templates/MQTT/statefulset.yml b/helm/templates/MQTT/statefulset.yml
new file mode 100644
index 0000000..413e0a8
--- /dev/null
+++ b/helm/templates/MQTT/statefulset.yml
@@ -0,0 +1,28 @@
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: mosquitto
+spec:
+  serviceName: mosquitto
+  selector:
+    matchLabels:
+      app: mosquitto
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: mosquitto
+    spec:
+      containers:
+        - name: mosquitto
+          image: eclipse-mosquitto
+          imagePullPolicy: "IfNotPresent"
+          ports:
+            - containerPort: 5432
+          volumeMounts:
+          - name: mosquitto-data
+            mountPath: /mosquitto/data
+      volumes:
+      - name: mosquitto-data
+        persistentVolumeClaim:
+          claimName: mosquitto-pvc
\ No newline at end of file