normalian blog

I will introduce about Microsoft Azure, ASP.NET or Java EE

Azure Container Service overview of Kubernetes for Java applications

Here is a sample architecture ACS Kubernetes. People sometimes confuse components of Container Services, because there are so many components such like Java, Docker Windows, private registry, cluster and others. This architecture helps such people to understand overview of ACS Kubernetes.
f:id:waritohutsu:20170713014405p:plain

Steps to run your Java applications using ACS Kubernetes

Follow below steps to run your Java applications.

  1. Build your Java applications
  2. Create Docker images
  3. Push your Docker images into Private Registry on Azure
  4. Get Kubernetes credentials
  5. Deploy your docker images using “kubectl” command

How to install kubectl into your client machine on "Bash on Ubuntu on Windows"

Run below commands.

normalian@DESKTOP-QJCCAGL:~$ echo "deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ wheezy main" | sudo tee /etc/apt/sources.list.d/azure-cli.list
[sudo] password for normalian:
deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ wheezy main
normalian@DESKTOP-QJCCAGL:~$ sudo apt-key adv --keyserver packages.microsoft.com --recv-keys 417A0893
normalian@DESKTOP-QJCCAGL:~$ sudo apt-get install apt-transport-https
normalian@DESKTOP-QJCCAGL:~$ sudo apt-get update && sudo apt-get install azure-cliExecuting: gpg --ignore-time-conflict --no-options --no-default-keyring --homedir /tmp/tmp.5tm3Sb994i --no-auto-check-trustdb --trust-model always --keyring /etc/apt/trusted.gpg --primary-keyring /etc/apt/trusted.gpg --keyserver packages.microsoft.com --recv-keys 417A0893

...


normalian@DESKTOP-QJCCAGL:~$ az

Welcome to Azure CLI!
---------------------
Use `az -h` to see available commands or go to https://aka.ms/cli.

...


normalian@DESKTOP-QJCCAGL:~$ az login
To sign in, use a web browser to open the page https://aka.ms/devicelogin and enter the code XXXXXXXXX to authenticate.

...


normalian@DESKTOP-QJCCAGL:~$ az acs kubernetes install-cli
Downloading client to /usr/local/bin/kubectl from https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kubectl
Connection error while attempting to download client ([Errno 13] Permission denied: '/usr/local/bin/kubectl')
normalian@DESKTOP-QJCCAGL:~$ sudo az acs kubernetes install-cli
Downloading client to /usr/local/bin/kubectl from https://storage.googleapis.com/kubernetes-release/release/v1.7.0/bin/linux/amd64/kubectl
normalian@DESKTOP-QJCCAGL:~$ az acs kubernetes get-credentials --resource-group=<resource group name> --name=<cluster name>  --ssh-key-file=<ssh key file>
normalian@DESKTOP-QJCCAGL:~$ kubectl get pods
NAME                             READY     STATUS    RESTARTS   AGE