Useful Bash snippets to add to your ~/.bashrc

.bashrc

## Kill and re-download docker                                                                                                                                                    
 function redock() {
   echo "Removing all stopped containers"
   #docker rm ${docker ps -a -q}
   echo "Pruning images"
   docker image prune
   if [ -z "$1" ]
   then
     echo "What should I kill?"
     return -1
   fi
   local psid=$(docker ps | grep $1 | awk '{print $1}')
   echo $psid
   if [ -z "$psid" ]
   then
     echo "No ps id found for \"$1\""
   else
     docker kill $psid
     docker rm $psid
   fi
   local iid=$(docker images | grep $1 | awk '{print $3}')
   echo $iid
   if [ -z "$iid" ]
   then
     echo "No image id found for \"$1\""
   else
     docker rmi $iid
   fi
   if [ "$1" = "test-data" ]
   then
     compose-testdata up -d
   fi
   if [ "$1" = "prod" ]
   then
     compose-prod up -d
   fi
 }
 
## Akka Calc utilities
function rm_target() {
  cd ~/Repos/akka-calc
  rm -rf target
  rm -rf calculator-api/target
}
 
function set_run_configs() {
  rsync -avzrP ~/Repos/runConfigurations/ ~/Repos/akka-calc/.idea/runConfigurations/
}

function killsbt() {
  # empty the ivy cache if you have good network
  # rm -rfv ~/.ivy2/cache/*

  # or even better just backup it to sync it later on ...
  mv ~/.ivy2/cache ~/.ivy2/cache.`date "+%Y%m%d_%H%M%S`.bak

  # remove all sbt lock files
  find ~/.sbt ~/.ivy2 -name "*.lock" -print -delete
  find ~/.sbt ~/.ivy2 -name "ivydata-*.properties" -print -delete

  # remove all the class files
  rm -fvr ~/.sbt/1.0/plugins/target
  rm -fvr ~/.sbt/1.0/plugins/project/target
  rm -fvr ~/.sbt/1.0/target
  rm -fvr ~/.sbt/0.13/plugins/target
  rm -fvr ~/.sbt/0.13/plugins/project/target
  rm -fvr ~/.sbt/0.13/target
  rm -fvr ./project/target
  rm -fvr ./project/project/target
}

function refresh_intellij() {
  rm_target
  set_run_configs
  killsbt
}

## Kube utilities
function kube_into() {
  case "$1" in
    prod)
      kubectl config use-context eks-us-west-2-prod
      ;;
    gprod)
      kubectl config use-context gke_c2fo-application_us-west1-a_prod-gke-us-west-1
      ;;
    euprod)
      kubectl config use-context gke_c2fo-application_europe-west3-c_prod-gke-eu-west-3
      ;;
    cnprod)
      kubectl config use-context prod-aws-cn-north-1.k8s.local
      ;;
    inprod)
      kubectl config use-context eks-ap-south-1-prod
      ;;
    uat)	
      kubectl config use-context eks-us-west-2-non-prod
      ;;
    guat)
      kubectl config use-context gke_c2fo-application_us-west1-b_biggy
      ;;
    euuat)
      kubectl config use-context gke_c2fo-application_europe-west3-c_frankfurt-1
      ;;
    cnuat)
      kubectl config use-context beijing-1.k8s.local
      ;;
    inuat)
      kubectl config use-context eks-ap-south-1-nonprod
      ;;
    fss)	
      kubectl config use-context eks-us-west-2-non-prod
      ;;
    gfss)
      kubectl config use-context gke_c2fo-application_us-west1-b_biggy
      ;;
    eufss)
      kubectl config use-context gke_c2fo-application_europe-west3-c_frankfurt-1
      ;;
    cnfss)
      kubectl config use-context beijing-1.k8s.local
      ;;
    infss)
      kubectl config use-context eks-ap-south-1-nonprod
      ;;
  esac
  postfix=$RANDOM
  kubectl --namespace manual-commandline run --rm -i --tty "${1}-${postfix}" --image=postgres -- /bin/sh
}

function switch_to() {
  username="arun.mascarenhas"
  if [[ $1 = "devload" ]]; then
	  kubectl config use-context eks-us-west-2-testing
	  kubectl config set-context --current --namespace=devload
	  #kaf config use-cluster devload
  elif [[ $1 = "indevload" ]]; then
	  kubectl config use-context eks-ap-south-1-testing
	  kubectl config set-context --current --namespace=indevload
	  #kaf config use-cluster devload
  elif [[ $1 = "fss" ]]; then
	  kubectl config use-context eks-us-west-2-non-prod
	  kubectl config set-context --current --namespace=fss
	  #kaf config use-cluster fss
  elif [[ $1 = "infss" ]]; then
	  kubectl config use-context eks-ap-south-1-non-prod
	  kubectl config set-context --current --namespace=infss
	  #kaf config use-cluster fss
  elif [[ $1 = "uat" ]]; then
	  kubectl config use-context eks-us-west-2-non-prod
	  kubectl config set-context --current --namespace=uat
	  #kaf config use-cluster uat
  elif [[ $1 = "prod" ]]; then
	  kubectl config use-context eks-us-west-2-prod
	  kubectl config set-context --current --namespace=production
	  #kaf config use-cluster production
  elif [[ $1 = "phoenix" ]]; then
	  kubectl config use-context eks-us-west-2-testing
	  kubectl config set-context --current --namespace=phoenix-scooot;
	  #kaf config use-cluster development
  elif [[ $1 = "gfss" ]]; then
	  kubectl config use-context gke_c2fo-application_us-west1-b_biggy
	  kubectl config set-context --current --namespace=gfss;
  elif [[ $1 = "gdevload" ]]; then
	  kubectl config use-context gke_c2fo-application_us-west1-a_manual-west1;
	  kubectl config set-context --current --namespace=gdevload;
  elif [[ $1 = "guat" ]]; then
	  kubectl config use-context gke_c2fo-application_us-west1-b_biggy
	  kubectl config set-context --current --namespace=guat;
  elif [[ $1 = "gprod" ]]; then
	  kubectl config use-context gke_c2fo-application_us-west1-a_prod-gke-us-west-1
	  kubectl config set-context --current --namespace=gprod;
  elif [[ $1 = "eufss" ]]; then
	  kubectl config use-context gke_c2fo-application_europe-west3-c_frankfurt-1
	  kubectl config set-context --current --namespace=eufss;
  elif [[ $1 = "cnfss" ]]; then
	  kubectl config use-context eks-cn-north-1-non-prod
	  kubectl config set-context --current --namespace=cnfss;
  elif [[ $1 = "euuat" ]]; then
	  kubectl config use-context gke_c2fo-application_europe-west3-c_frankfurt-1
	  kubectl config set-context --current --namespace=euuat;
  else
	  echo "Cluster not recognized"
  fi
}

function env_details() {
  if [[ $1 = "devload" ]]; then
	  echo eks-us-west-2-testing
  elif [[ $1 = "indevload" ]]; then
	  echo eks-ap-south-1-testing
  elif [[ $1 = "fss" ]]; then
	  echo eks-us-west-2-non-prod
  elif [[ $1 = "infss" ]]; then
	  echo eks-ap-south-1-non-prod
  elif [[ $1 = "uat" ]]; then
	  echo eks-us-west-2-non-prod
  elif [[ $1 = "prod" ]]; then
	  echo eks-us-west-2-prod
  elif [[ $1 = "phoenix" ]]; then
	  echo eks-us-west-2-testing
  elif [[ $1 = "gfss" ]]; then
	  echo gke_c2fo-application_us-west1-b_biggy
  elif [[ $1 = "gdevload" ]]; then
	  echo gke_c2fo-application_us-west1-a_manual-west1;
  elif [[ $1 = "guat" ]]; then
	  echo gke_c2fo-application_us-west1-b_biggy
  elif [[ $1 = "gprod" ]]; then
	  echo gke_c2fo-application_us-west1-a_prod-gke-us-west-1
  elif [[ $1 = "eufss" ]]; then
	  echo gke_c2fo-application_europe-west3-c_frankfurt-1
  elif [[ $1 = "cnfss" ]]; then
	  echo eks-cn-north-1-non-prod
  elif [[ $1 = "euuat" ]]; then
	  echo gke_c2fo-application_europe-west3-c_frankfurt-1
  else
	  echo "Cluster not recognized"
  fi
}

function fix_helm() {
  env=$1
  k8ctx=$(env_details $env)
  deployment=$(helm --kube-context=$k8ctx --namespace=$env history $env-akka-calc | awk '{if ($7 == "deployed") printf "%s\n", $1}')
  echo helm --kube-context=$k8ctx --namespace=$env rollback $env-akka-calc $deployment
  $(helm --kube-context=$k8ctx --namespace=$env rollback $env-akka-calc $deployment)
}