sarjarapu’s gists

sarjarapu / kubernetes-run.installer.sh

Created July 11, 2018 20:26

Execute install script to install all the required dependencies on a Mac OS

	# Install and configure the dependencies for Mac OS
	# Dependencies: virtualbox, minikube, kubernetes-helm, bash-completion
	sh install.sh

sarjarapu / kubernetes-install.helm.chart.sh

Created July 11, 2018 20:27

Install MongoDB Enterprise Operator for Kubernetes using helm

	# Download the helm chart from mongodb-enterprise-kubernetes GitHub repo
	wget -O master.zip https://github.com/mongodb/mongodb-enterprise-kubernetes/archive/master.zip
	unzip master.zip
	# Initialize the helm and helm chart
	helm init --upgrade
	helm install mongodb-enterprise-kubernetes-master/helm_chart/ --name mongodb-enterprise

sarjarapu / kubernetes-install.via.kubectl.sh

Created July 11, 2018 20:29

If helm is not available, you may install the operator using kubectl.

	# If helm is not available
	# Install the enterprise operator via YAML
	kubectl apply -f mongodb-enterprise-kubernetes-master/mongodb-enterprise.yaml

sarjarapu / kubernetes-environment.sh

Created July 11, 2018 20:31

A script file hold all the environment variables for your MongoDB deployments in Kubernetes

	OM_PROJECT_ID="<opsmanager_project_id>"
	OM_USER_BASE64=$(echo "<opsmanager_userid>" \| base64)
	OM_API_KEY_BASE64=$(echo "<opsmanager_public_apikey>" \| base64)
	OM_URL="<opsmanager_uri>"
	K8_NAMESPACE="<kubernetes_namespace>"
	MONGODB_VERSION="<mongodb_version>"

sarjarapu / kubernetes-environment.example.sh

Created July 11, 2018 20:34

An example script with environment variables set for Ops Manager Url, Kubernetes namespace and MongoDB version

	OM_URL="https://cloud.mongodb.com/"
	K8_NAMESPACE="mongodb-world"
	MONGODB_VERSION="3.6.5"

sarjarapu / kubernetes-create.replicaset.sh

Created July 11, 2018 20:37

Shell commands to generate and apply the YAML file to create the MongoDB replica set.

	# create the YAML file using the template
	sh templates/generate-yaml-simple-replicaset.sh
	# create the replica set based on the generated YAML
	source templates/environment.sh
	kubectl apply -f samples/${K8_NAMESPACE}-replicaset.yaml

sarjarapu / kubernetes-display.resources.sh

Created July 11, 2018 20:38

A kubectl command to list all the resources that the helper script has created

	# display all the resources in the namespace
	kubectl -n $K8_NAMESPACE get all
	# NAME READY STATUS RESTARTS AGE
	# pod/mongodb-world-replicaset-0 1/1 Running 0 4m
	# pod/mongodb-world-replicaset-1 1/1 Running 0 4m
	# pod/mongodb-world-replicaset-2 1/1 Running 0 4m
	#
	# NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) # AGE
	# service/mongodb-world-replicaset-svc ClusterIP None <none> 27017/TCP # 4m
	# service/mongodb-world-replicaset-svc-external NodePort 10.43.252.153 <none> # 27017:31750/TCP 4m

sarjarapu / kubernetes-replicaset.yaml

Last active August 5, 2018 16:16

The auto generated YAML file for creating namespace, configmap, secret and MongoDbReplicaSet

	# mongodb-world-replicaset.yaml contents
	---
	apiVersion: v1
	kind: Namespace
	metadata:
	name: "mongodb-world"
	---
	apiVersion: v1
	kind: ConfigMap
	metadata:

sarjarapu / kubernetes-connectivity.sh

Created July 11, 2018 20:47

A bash script showing the connectivity to the MongoDB replica set member via mongo shell

	kubectl -n ${K8_NAMESPACE} exec -it ${K8_NAMESPACE}-replicaset-0 -- bin/bash
	# mongodb@mongodb-world-replicaset-0:/$
	/var/lib/mongodb-mms-automation/mongodb-linux-x86_64-3.6.5/bin/mongo
	# MongoDB shell version v3.6.5
	# connecting to: mongodb://mongodb-world-replicaset-0:27017/
	# MongoDB server version: 3.6.5
	# mongodb-world-replicaset:PRIMARY>

sarjarapu / kubernetes-external.connectivity.sh

Created July 11, 2018 20:48

A bash script showing the connectivity to the MongoDB replica set member using NodePort

	kubectl -n ${K8_NAMESPACE} describe pod/mongodb-world-replicaset-0 \| grep 'Node:'
	# Node: 10.128.0.7
	kubectl -n ${K8_NAMESPACE} get services
	# NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
	# mongodb-world-replicaset-svc ClusterIP None <none> 27017/TCP 41m
	# mongodb-world-replicaset-svc-external NodePort 10.43.252.153 <none> 27017:31750/TCP 41m
	mongo --host 10.128.0.7 --port 31750
	# MongoDB shell version v3.6.5
	# connecting to: mongodb://mongodb-world-replicaset-0:27017/
	# MongoDB server version: 3.6.5