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LEC-52-Kubernetes complete tutorials.
====================
Install Docker
$ sudo apt update && apt -y install docker.io
Install kubectl
$ curl -LO storage.googleapis.com/kubern... -s storage.googleapis.com/kubern... && chmod +x ./kubectl && sudo mv ./kubectl /usr/local/bin/kubectl
Install Minikube
$ curl -Lo minikube storage.googleapis.com/miniku... && chmod +x minikube && sudo mv minikube /usr/local/bin/
Start Minikube
$ apt install conntrack
$ minikube start --vm-driver=none
$ minikube status
=================================
PERSISTENT VOLUME
================================
apiVersion: v1
kind: PersistentVolume
metadata:
name: myebsvol
spec:
capacity:
storage: 1Gi
accessModes:
- ReadWriteOnce
persistentVolumeReclaimPolicy: Recycle
awsElasticBlockStore:
volumeID: # YAHAN APNI EBS VOLUME ID DAALO
fsType: ext4
============
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: myebsvolclaim
spec:
accessModes:
- ReadWriteOnce
resources:
requests:
storage: 1Gi
==================================================================================================================
apiVersion: apps/v1
kind: Deployment
metadata:
name: pvdeploy
spec:
replicas: 1
selector: # tells the controller which pods to watch/belong to
matchLabels:
app: mypv
template:
metadata:
labels:
app: mypv
spec:
containers:
- name: shell
image: centos
command: ["bin/bash", "-c", "sleep 10000"]
volumeMounts:
- name: mypd
mountPath: "/tmp/persistent"
volumes:
- name: mypd
persistentVolumeClaim:
claimName: myebsvolclaim
==========================================================================================================================
HEALTHCHECK/LIVENESSPROBE
==========================================================================================================================
apiVersion: v1
kind: Pod
metadata:
labels:
test: liveness
name: mylivenessprobe
spec:
containers:
- name: liveness
image: ubuntu
args:
- /bin/sh
- -c
- touch /tmp/healthy; sleep 1000
livenessProbe:
exec:
command:
- cat
- /tmp/healthy
initialDelaySeconds: 5
periodSeconds: 5
timeoutSeconds: 30
----------------------------------------
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