Azure Installation Steps

This post describes how to install Myelin on Azure.

1. Create namespace:

   NAMESPACE=myelin
   kubectl create ns $NAMESPACE
   kubectl label namespace $NAMESPACE istio-injection=enabled
   

2. Install Helm client: Installation

3. Install Tiller:

   kubectl -n kube-system create sa tiller
   kubectl create clusterrolebinding tiller --clusterrole cluster-admin --serviceaccount=kube-system:tiller
   helm init --service-account tiller
   

4. Add Myelin repo to Helm:

   helm repo add myelin.io https://myelin-helm-charts.storage.googleapis.com/
   helm repo update
   

5. Setup authentication:

   Create a file secrets.yaml with the following content:

   licence: LICENCE
   
   authenticateDocker:
     enabled: true
       
   dockerSecret:
     auths:
       myelinregistry.azurecr.io:
         auth: authbase64=
         Username: username@gmail.com
         Password: password
         Email: username@gmail.com
       
   artifacts:
     accesskey: accesskey
     secretkey: secretkey
       
   authenticateGithub:
     enabled: true
       
   github:
     sshPrivateKey: SSH_PRIVATE_KEY
     sshPublicKey: SSH_PUBLIC_KEY
   

   In this file the following fields should be provided:

   • licence: Get a free licence from here.

   • dockerRegistryUrl: add the repository url instead of this line, for example use registry.hub.docker.com for docker hub.

   • dockerSecret.auths.auth: Auth token. For docker hub it can be generated as follows: echo -n 'username:password' | base64

   • dockerSecret.auths.Username: docker repository user name

   • dockerSecret.auths.Password: docker repository password

   • dockerSecret.auths.Email: docker repository email

   
   Get or create an Azure Storage account and retrieve the key:

   az storage account create --resource-group myResourceGroup --name myelinstorage --sku Standard_LRS
   az storage account keys list  --resource-group myResourceGroup --account-name myelinstorage
   

   • artifacts.accesskey: Azure access key
   • artifacts.secretkey: Azure secret key
     

   
   To access Github using SSH add the following:

   • github.sshPrivateKey: private key
   • github.sshPublicKey: public key
     

   
   Create a config file Azure-config.yaml:

    rook-ceph:
      agent:
        flexVolumeDirPath: /etc/kubernetes/volumeplugins
        
    minio:
      enabled: true
      persistence:
        enabled: false
      azuregateway:
        enabled: true
        replicas: 1
      fullnameOverride: myelin-minio-svc
      defaultBucket:
        enabled: true
        name: myelin-bucket
      accessKey: myelinstorage
      secretKey: myelinstorage_key
        
    axonController:
      dockerServer: myelinregistry.azurecr.io
      dockerNamespace: myelinproj
      config:
        artifactRepository:
          archiveLogs: true
          s3:
            bucket: myelin-bucket
            endpoint: myelin-minio-svc.myelin:9000
            insecure: true
            accessKeySecret:
              name: myelin-artifacts
              key: accesskey
            secretKeySecret:
              name: myelin-artifacts
              key: secretkey
        
    deployerController:
      config:
        artifactRepository:
          archiveLogs: true
          s3:
            bucket: myelin-bucket
            endpoint: myelin-minio-svc.myelin:9000
            insecure: true
            accessKeySecret:
              name: myelin-artifacts
              key: accesskey
            secretKeySecret:
              name: myelin-artifacts
              key: secretkey
   

   The following values should be filled in:

   • axonController.dockerServer: repository url, for example use registry.hub.docker.com for docker hub.
   • axonController.dockerNamespace: namespace of the repository, for docker hub it is the same as the user name.

6. Install the Helm chart:

   • Install Myelin (add the –devel flag if you would like to install the latest development version)

     RELEASE_NAME=myelin-app
     CONFIG_FILE=Azure-config.yaml
     SECRETS_FILE=secrets.yaml
     NAMESPACE=myelin
             
     helm install myelin.io/myelin \
          --debug \
          --devel \
          --wait --timeout 600 \
          --devel \
          --name $RELEASE_NAME \
          -f $CONFIG_FILE,$SECRETS_FILE \
          --set createCustomResource=true \
          --set deployerController.createCustomResource=true \
          --namespace=$NAMESPACE
     

7. Install the Myelin cli:

   MacOS installation:

   brew tap myelin/cli https://github.com/myelinio/homebrew-cli.git
   brew install myelin
   

   Linux installation:

   curl -sSL -o /usr/local/bin/myelin https://myelin-cli.storage.googleapis.com/cli-linux/v0.4.0/myelin-linux-amd64
   chmod +x /usr/local/bin/myelin
   # Add bash completion
   apt-get install bash-completion
   myelin completion bash > /etc/bash_completion.d/myelin
   

8. Test first Axon:

   • Create Axon:

     myelin submit https://raw.githubusercontent.com/myelinio/myelin-examples/master/recommender_rf_demo/recommender-demo.yaml --namespace=$NAMESPACE
     

   • Watch Axon execution:

     myelin watch axon ml-rec-rf --namespace=$NAMESPACE
     

   • Get Axon public REST endpoints:

     REST_URL=$(myelin endpoint ml-rec-rf  --namespace=$NAMESPACE -o json | jq -r '.[0].modelStable.url')
     curl -XPOST ${REST_URL}predict --data '{"data":{"ndarray":[5411, 5439]}}'