From 81b8950ced7f58165ef80953e5ae52ff089748c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ram=C3=B3n=20Tom=C3=A1s?= <ramon.tomas84@hotmail.com>
Date: Mon, 8 May 2017 12:03:24 +0200
Subject: [PATCH] Updated k8s deploy script

---
 k8s/deploy.ps1 | 54 ++++++++++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 21 deletions(-)

diff --git a/k8s/deploy.ps1 b/k8s/deploy.ps1
index f0d24e1b1..22b94c41e 100644
--- a/k8s/deploy.ps1
+++ b/k8s/deploy.ps1
@@ -3,16 +3,24 @@ Param(
     [parameter(Mandatory=$false)][string]$dockerUser,
     [parameter(Mandatory=$false)][string]$dockerPassword,
     [parameter(Mandatory=$false)][bool]$deployCI,
-    [parameter(Mandatory=$false)][string]$execPath
+    [parameter(Mandatory=$false)][bool]$useDockerHub,
+    [parameter(Mandatory=$false)][string]$execPath,
+    [parameter(Mandatory=$false)][string]$kubeconfigPath
 )
 
-$kubectl_exec = 'kubectl';  
-
-if(-not [string]::IsNullOrEmpty($execPath)) {
-    $kubectl_exec = $execPath + '/' + 'kubectl';
+function ExecKube($cmd) {    
+    if($deployCI) {
+        $kubeconfig = $kubeconfigPath + 'config';
+        $exp = $execPath + 'kubectl ' + $cmd + ' --kubeconfig=' + $kubeconfig
+        Invoke-Expression $exp
+    }
+    else{
+        $exp = $execPath + 'kubectl ' + $cmd
+        Invoke-Expression $exp
+    }
 }
 
-# Not using ACR when deploying through CI VSTS
+# Check command paths only for manual deployment
 if(-not $deployCI) {
         $requiredCommands = ("docker", "docker-compose", "kubectl")
         foreach ($command in $requiredCommands) {
@@ -21,7 +29,10 @@ if(-not $deployCI) {
             exit
         }
     }
+}
 
+# Use ACR instead of DockerHub as image repository
+if(-not $useDockerHub) {
     Write-Host "Logging in to $registry" -ForegroundColor Yellow
     docker login -u $dockerUser -p $dockerPassword $registry
     if (-not $LastExitCode -eq 0) {
@@ -30,17 +41,17 @@ if(-not $deployCI) {
     }
 
     # create registry key secret
-    & $kubectl_exec create secret docker-registry registry-key `
+    ExecKube -cmd 'create secret docker-registry registry-key `
     --docker-server=$registry `
     --docker-username=$dockerUser `
     --docker-password=$dockerPassword `
-    --docker-email=not@used.com
+    --docker-email=not@used.com'
 }
 
 # start sql, rabbitmq, frontend deployments
-& $kubectl_exec create configmap config-files --from-file=nginx-conf=nginx.conf
-& $kubectl_exec label configmap config-files app=eshop
-& $kubectl_exec create -f sql-data.yaml -f rabbitmq.yaml -f services.yaml -f frontend.yaml
+ExecKube -cmd 'create configmap config-files --from-file=nginx-conf=nginx.conf'
+ExecKube -cmd 'label configmap config-files app=eshop'
+ExecKube -cmd 'create -f sql-data.yaml -f rabbitmq.yaml -f services.yaml -f frontend.yaml'
 
 # building and publishing docker images not necessary when deploying through CI VSTS
 if(-not $deployCI) {
@@ -61,38 +72,39 @@ if(-not $deployCI) {
 
 Write-Host "Waiting for frontend's external ip..." -ForegroundColor Yellow
 while ($true) {
-    $frontendUrl = & $kubectl_exec get svc frontend -o=jsonpath="{.status.loadBalancer.ingress[0].ip}"
+    $frontendUrl = & ExecKube -cmd 'get svc frontend -o=jsonpath="{.status.loadBalancer.ingress[0].ip}"'
     if ([bool]($frontendUrl -as [ipaddress])) {
         break
     }
     Start-Sleep -s 15
 }
 
-& $kubectl_exec create configmap urls `
+ExecKube -cmd 'create configmap urls `
     --from-literal=BasketUrl=http://$($frontendUrl)/basket-api `
     --from-literal=CatalogUrl=http://$($frontendUrl)/catalog-api `
     --from-literal=IdentityUrl=http://$($frontendUrl)/identity `
     --from-literal=OrderingUrl=http://$($frontendUrl)/ordering-api `
     --from-literal=MvcClient=http://$($frontendUrl)/webmvc `
-    --from-literal=SpaClient=http://$($frontendUrl)
-& $kubectl_exec label configmap urls app=eshop
+    --from-literal=SpaClient=http://$($frontendUrl)'
+
+ExecKube -cmd 'label configmap urls app=eshop'
 
 Write-Host "Creating deployments..."
-& $kubectl_exec apply -f deployments.yaml
+ExecKube -cmd 'apply -f deployments.yaml'
 
-# not using ACR for pulling images when deploying through CI VSTS
-if(-not $deployCI) {
+# use ACR registry for pulling images if docker hub is not specified
+if(-not $useDockerHub) {
     # update deployments with the private registry before k8s tries to pull images
     # (deployment templating, or Helm, would obviate this)
-    & $kubectl_exec set image -f deployments.yaml `
+    ExecKube -cmd 'set image -f deployments.yaml `
         basket=$registry/eshop/basket.api `
         catalog=$registry/eshop/catalog.api `
         identity=$registry/eshop/identity.api `
         ordering=$registry/eshop/ordering.api `
         webmvc=$registry/eshop/webmvc `
-        webspa=$registry/eshop/webspa
+        webspa=$registry/eshop/webspa'
 }
 
-& $kubectl_exec rollout resume -f deployments.yaml
+ExecKube -cmd 'rollout resume -f deployments.yaml'
 
 Write-Host "WebSPA is exposed at http://$frontendUrl, WebMVC at http://$frontendUrl/webmvc" -ForegroundColor Yellow