ife

lerndevops · Oct 10, 2023 · cbaa334 · cbaa334
1 parent 0bcd33a
commit cbaa334
Show file tree

Hide file tree

Showing 4 changed files with 67 additions and 1 deletion.
diff --git a/05-create-helm-charts/07-flow-control/iechart1/Chart.yaml b/05-create-helm-charts/07-flow-control/iechart1/Chart.yaml
@@ -0,0 +1,8 @@
+# place the below content inside the Chart.yaml
+apiVersion: v2
+type: application 
+name: iec1
+version: "0.1.0"  # recomended to follow version as "MAJOR-Version.MINOR-Version.PATCH-Version" always 
+description: "A Helm chart to deploy all required kubernetes resources"
+appVersion: "1.0.0"  # your application version / release version 
+# save the file with the above data
diff --git a/05-create-helm-charts/07-flow-control/iechart1/templates/deployment.yaml b/05-create-helm-charts/07-flow-control/iechart1/templates/deployment.yaml
@@ -0,0 +1,25 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-app
+spec:
+{{- if eq .Values.iecapp.env "prod" }}
+  replicas: 4 
+{{- else if eq .Values.iecapp.env "qa" }}  
+  replicas: 2
+{{- else }}  
+  replicas: 1
+{{- end }}  
+  selector:
+    matchLabels:
+      app: iec
+  template:
+    metadata:
+      labels:
+        app: iec
+    spec:
+      containers:
+      - name: sampleapp
+        image: {{ .Values.image.repo }}:{{ .Values.image.tag }}
+        ports:
+        - containerPort: 8080
diff --git a/05-create-helm-charts/07-flow-control/iechart1/values.yaml b/05-create-helm-charts/07-flow-control/iechart1/values.yaml
@@ -0,0 +1,5 @@
+iecapp: 
+  env: qa
+image: 
+  repo: docker.io/lerndevops/samples
+  tag: pyapp-v2
diff --git a/05-create-helm-charts/07-flow-control/if-else.md b/05-create-helm-charts/07-flow-control/if-else.md
@@ -7,4 +7,32 @@
 {{ else }}
     # Default case
 {{ end }}
-```
+```
+
+#### examin the ntchart1 from [github repo](https://github.com/lerndevops/helm-charts/tree/main/05-create-helm-charts/06-named-templates/ntchart1) 
+
+```sh
+# get the chart to local 
+cd $HOME ; git clone https://github.com/lerndevops/helm-charts
+cd $HOME/helm-charts/05-create-helm-charts/07-flow-control/iechart1
+cat templates/deployment.yaml
+```
+```yaml 
+{{/* define template for common Labels */}}
+{{- define "nt.labels"}}
+    app: sapp
+{{- end }}
+
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-app
+  labels:
+  {{- template "nt.labels" }}
+```
+```sh
+# dry run the chart and observe the output rendered properly 
+
+cd $HOME/helm-charts/05-create-helm-charts/06-named-templates/ntchart1
+helm install ntchart1-rel . --dry-run 
+```