ft(examples): add example usage script

examples/deploy

@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+
+# The setup below is a sample of how this K8s deploy scripts can be used. Modification may be required to fit your specific purpose.
+set -eo pipefail
+
+DEPLOY_SCRIPT_PATH="${HOME}/deploy"
+
+curl -o $DEPLOY_SCRIPT_PATH https://raw.githubusercontent.com/AndelaOSP/bash-helper-modules/master/k8s/deploy
+
+source $DEPLOY_SCRIPT_PATH
+# add the following environment variables to your ci. Change them according to your cluster requirements
+# PRODUCTION_GOOGLE_COMPUTE_ZONE
+# STAGING_GOOGLE_COMPUTE_ZONE
+# STAGING_CLUSTER_NAME
+# PRODUCTION_CLUSTER_NAME
+# PROJECT_NAME
+# GOOGLE_PROJECT_ID
+# GCLOUD_SERVICE_KEY
+# DOCKER_REGISTRY
+
+
+GCLOUD_SERVICE_KEY_NAME=gcloud-service-key.json
+ALLOWED_DEPLOY_ENVIRONMENTS=('staging', 'production')
+
+require 'PRODUCTION_GOOGLE_COMPUTE_ZONE' $PRODUCTION_GOOGLE_COMPUTE_ZONE
+require 'STAGING_GOOGLE_COMPUTE_ZONE' $STAGING_GOOGLE_COMPUTE_ZONE
+require 'STAGING_CLUSTER_NAME' $STAGING_CLUSTER_NAME
+require 'PRODUCTION_CLUSTER_NAME' $PRODUCTION_CLUSTER_NAME
+require 'PROJECT_NAME' $PROJECT_NAME
+require 'GOOGLE_PROJECT_ID' $GOOGLE_PROJECT_ID
+require 'DOCKER_REGISTRY' $DOCKER_REGISTRY
+require 'GCLOUD_SERVICE_KEY' $GCLOUD_SERVICE_KEY
+
+BRANCH_NAME=$CIRCLE_BRANCH
+setEnvironment $BRANCH_NAME
+isAllowedDeployEnvironment $ENVIRONMENT
+
+getDeploymentName DEPLOYMENT_NAME
+IMAGE_TAG=$(getImageTag $(getCommitHash))
+IMAGE_NAME=$(getImageName)
+
+main() {
+    installGoogleCloudSdk
+    authWithServiceAccount
+    configureGoogleCloudSdk
+    loginToContainerRegistry _json_key
+    buildAndTagDockerImage -f docker/Dockerfile .
+    publishDockerImage
+    logoutContainerRegistry $DOCKER_REGISTRY
+    deployToKubernetesCluster backend
+}
+
+main
+
+

k8s/deploy

@@ -44,6 +44,7 @@ installGoogleCloudSdk(){
     echo "deb http://packages.cloud.google.com/apt cloud-sdk-jessie main" | sudo tee /etc/apt/sources.list.d/google-cloud-sdk.list
     curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
     sudo apt-get update && sudo apt-get install kubectl google-cloud-sdk
+    is_success "Gcloud and Kubecl has been installed successfully"
 }
 
 getCommitHash() {
@@ -91,7 +92,6 @@ getDeploymentName() {
 
     local __depoymentNameVariable=$1
     local __deploymentName="${ENVIRONMENT}-${PROJECT_NAME}"
-
     if [[ "$__depoymentNameVariable" ]]; then
         eval $__depoymentNameVariable="'$__deploymentName'"
     else
@@ -144,7 +144,7 @@ getImageName() {
 # buildAndTagDockerImage args
 buildAndTagDockerImage() {
     require "IMAGE_NAME" $IMAGE_NAME
-    info "Building image with tag $IMAGE_NAME"
+    info "Building image with tag $IMAGE_NAME ....."
     docker build -t $IMAGE_NAME $@
 }
 
@@ -175,8 +175,9 @@ deployToKubernetesCluster() {
     require "GOOGLE_CLUSTER_NAME" $GOOGLE_CLUSTER_NAME
 
     info "Deploying image $IMAGE to $ENVIRONMENT environment on $GOOGLE_CLUSTER_NAME cluster"
-    CMD="kubectl set image deployment/$DEPLOYMENT_NAME $__containerName=$IMAGE_NAME --namespace $NAMESPACE"
-    echo $CMD
+
+    kubectl set image deployment/$DEPLOYMENT_NAME $__containerName=$IMAGE_NAME --namespace $NAMESPACE
+
     if [ "$?" == "0" ]; then
         success "Image ${IMAGE_NAME} was successfuly deployed to ${ENVIRONMENT} environment"
         exit 0
@@ -198,6 +199,7 @@ authWithServiceAccount() {
     require 'GCLOUD_SERVICE_KEY' $GCLOUD_SERVICE_KEY
     echo $GCLOUD_SERVICE_KEY | base64 --decode > $__serviceKeyPath
     gcloud auth activate-service-account --key-file $__serviceKeyPath
+    is_success "Service account activated successfuly"
 }
 
 configureGoogleCloudSdk() {
@@ -220,6 +222,6 @@ configureGoogleCloudSdk() {
 isAllowedDeployEnvironment() {
     local __environment=$1
     require 'ALLOWED_DEPLOY_ENVIRONMENTS' $ALLOWED_DEPLOY_ENVIRONMENTS
-    [ -z $(echo $ALLOWED_DEPLOY_ENVIRONMENTS | grep -o $__environment) ] && error "$__environment is not an allowed deployment environment"
+    [ -z $(echo ${ALLOWED_DEPLOY_ENVIRONMENTS[@]} | grep -o $__environment) ] && error "$__environment is not an allowed deployment environment"
     success "Setting up deployments for $__environment environment"
 }