Kubernetes Helm charts

• Add snappyflow helm chart repo

  $ helm repo add snappyflow https://snappyflow.github.io/helm-charts/
  "snappyflow" has been added to your repositories
  

• Check repo added

  $ helm repo list
  NAME      		URL                                                            
  stable    		https://kubernetes-charts.storage.googleapis.com               
  snappyflow		https://snappyflow.github.io/helm-charts/
  

• Update Helm repo

  $ helm repo update
  

• Search all available charts in snappyflow repo

  $ helm search snappyflow/
  
  NAME                            	CHART VERSION	APP VERSION         	DESCRIPTION                                                 
  
  snappyflow/elasticsearch        	0.2.8        	                    	This Elasticsearch cluster supports 3 master nodes, 2 dat...
  
  snappyflow/expresscart          	0.1.7        	1.0                 	A Helm chart to deploy expressCart nodejs application       
  
  snappyflow/fluentd-elasticsearch	2.0.8        	2.3.2               	A Fluentd Helm chart for Kubernetes with Elasticsearch ou...
  
  snappyflow/petclinic            	0.2.6        	2.1.0.BUILD-SNAPSHOT	Helm chart for deploying basic Spring applications          
  
  snappyflow/petclinic-v3         	0.4.0        	2.1.0.BUILD-SNAPSHOT	Helm chart for deploying basic Spring applications          
  
  snappyflow/sample-petclinic     	1.0.0        	1                   	Helm chart for deploying basic Spring applications          
  
  snappyflow/sfagent              	2.0.0        	1.0                 	Cluster and Application Monitoring system for Maplelabs' ...
  
  

• Get values.yaml content

  $ helm inspect snappyflow/petclinic
  

• Note: Below commands are applicable for Helm version 2. May not work for Helm version 3

• Install with Default values

  $ helm install snappyflow/sample-petclinic --name my-app --namespace my-namespace
  

• Install with command line argument to set parameters

  $ helm install snappyflow/sample-petclinic --set global.sfappname=my-app --set global.sfprojectname=my-project --name my-app --namespace my-namespace
  

• Install with file as input to set parameters

  $ helm install snappyflow/sample-petclinic -f inputfile.yaml --name my-app --namespace my-namespace
  

• Check if app chart is installed

  $ helm list -a
  
  NAME     	REVISION	UPDATED                 	STATUS  	CHART              	APP VERSION         	NAMESPACE 
  
  my-app	    	1       	Fri Apr  3 17:50:53 2020	DEPLOYED	sample-petclinic-1.0.0	1          		default  
  
  

• Delete an app

  $ helm delete my-app --purge
  

Install SnappyFlow Monitoring Agent Pods

$ helm install snappyflow/sfagent --set config.cluster_name=<unique cluster name> --set config.key=<encoded_key> --name sfagent --namespace sfagent