helm packaging

01-pods/nginx-nodeselector.yaml

@@ -10,4 +10,4 @@ spec:
     image: nginx
     imagePullPolicy: IfNotPresent
   nodeSelector:
-    cpu: mukemmel
+    cpu: kotu

02-deployments/rollingupdate/nginx-dpl.yaml

@@ -0,0 +1,26 @@
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: nginx-test
+spec:
+  replicas: 5
+  selector:
+    matchLabels:
+      service: http-server
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 50%
+      maxUnavailable: 1
+  minReadySeconds: 5
+  template:
+    metadata:
+      labels:
+        service: http-server
+    spec:
+      containers:
+      - name: nginx
+        image: nginx:1.7.9
+        imagePullPolicy: IfNotPresent
+        ports:
+        - containerPort: 80

06-services/ReadMe.md

@@ -0,0 +1,5 @@
+```bash
+#cluster-info
+gcloud container clusters describe meetup --project=inspired-bus-194216 --zone=us-central1-c --format="json"  | grep service
+gcloud container clusters describe meetup --project=inspired-bus-194216 --zone=us-central1-c --format="json"  | grep Ip
+```

06-services/ingress/context/ingress-tls-nginx.yaml

@@ -0,0 +1,20 @@
+apiVersion: extensions/v1beta1
+kind: Ingress
+metadata:
+  name: web-ingress
+  annotations:
+    kubernetes.io/ingress.class: nginx
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /v2/*
+        backend:
+          serviceName: web-v2
+          servicePort: 8080
+      - path: /v1/*
+        backend:
+          serviceName: web-v1
+          servicePort: 8080
+  tls:
+  - secretName: web-tls   

06-services/intro/kuard-pod-svc-lb.yaml

@@ -3,8 +3,6 @@ kind: Service
 metadata:
   creationTimestamp: null
   labels:
-    internalVersion: 0.0.1
-    name: kuard
     run: kuard
   name: kuard
 spec:
@@ -14,7 +12,6 @@ spec:
     targetPort: 8080
   selector:
     internalVersion: 0.0.1
-    name: kuard
     run: kuard
   type: LoadBalancer
 status:

06-services/intro/kuard-pod-svc-np.yaml

@@ -3,8 +3,6 @@ kind: Service
 metadata:
   creationTimestamp: null
   labels:
-    internalVersion: 0.0.1
-    name: kuard
     run: kuard
   name: kuard
 spec:
@@ -14,7 +12,6 @@ spec:
     targetPort: 8080
   selector:
     internalVersion: 0.0.1
-    name: kuard
     run: kuard
   type: NodePort
 status:

06-services/intro/kuard-pod-svc.yaml

@@ -3,8 +3,6 @@ kind: Service
 metadata:
   creationTimestamp: null
   labels:
-    internalVersion: 0.0.1
-    name: kuard
     run: kuard
   name: kuard
 spec:
@@ -14,8 +12,7 @@ spec:
     targetPort: 8080
   selector:
     internalVersion: 0.0.1
-    name: kuard
     run: kuard
-  type: ClusterIP
+  type: NodePort
 status:
   loadBalancer: {}

08-storage/portability/02-gcpd-pv-pvc.yaml

@@ -7,7 +7,7 @@ spec:
     storage: 10Gi
   accessModes:
     - ReadWriteOnce
-  gcePersistnetDisk:
+  gcePersistentDisk:
     pdName: meetup-disk
     fsType: ext4
 

09-crd/01-crd.yaml

@@ -0,0 +1,27 @@
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  # name must match the spec fields below, and be in the form: <plural>.<group>
+  name: crontabs.stable.example.com
+spec:
+  # group name to use for REST API: /apis/<group>/<version>
+  group: stable.example.com
+  # list of versions supported by this CustomResourceDefinition
+  versions:
+    - name: v1
+      # Each version can be enabled/disabled by Served flag.
+      served: true
+      # One and only one version must be marked as the storage version.
+      storage: true
+  # either Namespaced or Cluster
+  scope: Namespaced
+  names:
+    # plural name to be used in the URL: /apis/<group>/<version>/<plural>
+    plural: crontabs
+    # singular name to be used as an alias on the CLI and for display
+    singular: crontab
+    # kind is normally the CamelCased singular type. Your resource manifests use this.
+    kind: CronTab
+    # shortNames allow shorter string to match your resource on the CLI
+    shortNames:
+    - ct

10-ks8-packaging/01-helm/01-installation/Readme.md

@@ -0,0 +1,85 @@
+#### Installation
+```bash
+kubectl create serviceaccount --namespace kube-system tiller
+kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
+helm init --service-account tiller --upgrade
+kubectl get deployment -n kube-system -o yaml tiller-deploy | grep serviceAccount
+```
+
+#### Helm uninstall from cluster
+```bash
+helm reset
+kubectl get pods -n kube-system
+```
+
+#### Forget to create service account
+
+```bash
+#https://github.com/fnproject/fn-helm/issues/21
+helm init
+helm list
+kubectl create serviceaccount --namespace kube-system tiller
+kubectl create clusterrolebinding tiller-cluster-rule --clusterrole=cluster-admin --serviceaccount=kube-system:tiller
+kubectl patch deploy --namespace kube-system tiller-deploy -p '{"spec":{"template":{"spec":{"serviceAccount":"tiller"}}}}'
+helm --help
+helm list --help
+helm list
+helm list -a
+```
+
+#### Stable Charts && Incubator Charts
+```bash
+helm search mysql
+helm repo add incubator https://kubernetes-charts-incubator.storage.googleapis.com/
+helm search cassandra
+curl -XGET https://kubernetes-charts-incubator.storage.googleapis.com/
+```
+
+open from Chrome https://console.cloud.google.com/storage/browser/kubernetes-charts-incubator </br>
+
+```bash
+helm install stable/nginx-ingress --name nginx-ing --namespace app
+kubectl get all -n app
+helm list
+helm delete --help
+helm delete nginx-ing --purge
+```
+
+### Managing dependencies
+```bash
+mkdir -p $HOME/dev/tools_data
+cd ~/dev/tools_data
+git clonehttps://github.com/helm/charts.git 
+cd charts/stable
+cd sonarqube
+cat requirements.yaml
+mkdir charts/postgresql
+cp -R ../postgresql charts/postgresql
+helm install . --name sonarqube --namespace app -f values.yaml
+helm list
+```
+
+#### Helm Commands
+```bash
+helm status sonarqube
+helm inspect .
+helm inspect stable/mysql
+```
+change limits in values.yaml </br>
+```yaml
+resources:
+  limits:
+    cpu: 100m
+    memory: 128Mi
+  requests:
+    cpu: 100m
+    memory: 128Mi
+```
+```bash
+helm upgrade sonarqube .  -f values.yaml 
+helm history sonarqube
+helm rollback --dry-run=true sonarqube 1
+helm rollback sonarqube 1
+kubectl get pods -n app
+```
+