cmoulliard/istio_macos.md Secret

## istio_macos.md

      
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              istio_macos.md
            
          
    Updated : April 24th
Author : Charles Moulliard
Changes:

Change cpu to 4, memory to 6Gb, add sudo sysctl -w vm.max_map_count=262144
Include minishift instructions

Using Vagrant and Virtualbox

Pre-req


Install Vagrant on MacOS machine like Virtualbox

Configure private network between guest and host

This private network will be used between the host and the guest and will let you to access openshift at the address
https://192.168.99.50:8443/console from your mac machine
vboxmanage hostonlyif create
vboxmanage hostonlyif ipconfig vboxnet0 --ip 192.168.99.1 --netmask 255.255.255.0
vboxmanage dhcpserver add --ifname vboxnet0 --ip 192.168.99.20 --netmask 255.255.255.0 --lowerip 192.168.99.50 --upperip 192.168.99.50
vboxmanage dhcpserver modify --ifname vboxnet0 --enable

Create Vagrant file to bootstrap Centos vm

mkdir vagrant-centos && vagrant-centos

cat > post-installation.sh << 'EOF'
#!/bin/bash

echo "Install docker, wget packages"
sudo yum install -y git docker wget python-rhsm-certificates

echo "Configure docker"
sudo bash -c "cat > /etc/docker/daemon.json" << 'EOFILE'
  {
    "insecure-registries" : [ "172.30.0.0/16" ],
    "hosts" : [ "unix://", "tcp://0.0.0.0:2376" ]
  }
EOFILE

echo "Start and enable docker service"
sudo groupadd docker
sudo usermod -aG docker vagrant
sudo systemctl enable docker
sudo systemctl start docker

sudo sysctl -w vm.max_map_count=262144
EOF

cat > Vagrantfile << 'EOF'
Vagrant.configure(2) do |config|
  config.vm.box = "centos/7"

  config.vm.provider "virtualbox" do |v, override|
    v.name = "centos-7-docker"
    v.memory = 6144
    v.customize ["modifyvm", :id, "--cpus", "4"]
    v.customize ["modifyvm", :id, "--natdnshostresolver1", "on"]
  end
  
  # Add private network
  config.vm.network "private_network", ip: "192.168.99.50"
  
  # Execute post installation
  config.vm.provision :shell, path: "post-installation.sh"
end    
EOF

Start Vagrant VM

vagrant plugin install ssh
vagrant up

ssh to the vm

vagrant ssh

Install istiooc and launch it


Create istiooc folder project and fetch it

mkdir istiooc && cd istiooc
wget -O istiooc https://github.com/openshift-istio/origin/releases/download/istio-3.9-0.7.1-alpha5/istiooc_linux
chmod +x istiooc
export PATH=$(pwd):$PATH
mv istiooc oc


Start oc

oc cluster up\
  --public-hostname=192.168.99.50\
  --istio\
  --launcher\
  --launcher-catalog-git-branch='istio'\
  --launcher-catalog-git-repo='https://github.com/snowdrop/launcher-booster-catalog.git'\
  --launcher-openshift-user=admin\
  --launcher-openshift-password=admin\
  --launcher-github-token=''\
  --launcher-github-username=''

Good to know

If you shutdown the cluster and then restart it, then wait 1-2 min as process to create devex namespace containig the launcher pods could take time. See here
Using Minishift - v1.16.1


Install istiooc on your machine

mkdir istiooc && cd istiooc
wget -O istiooc https://github.com/openshift-istio/origin/releases/download/istio-3.9-0.7.1-alpha7/istiooc_linux
chmod +x istiooc
mv istiooc oc
cp oc ~/.minishift/cache/oc/v3.9.0/darwin


Launch Minishift using extra-flags

minishift config view
- cpus                 : 4
- image-caching        : false
- iso-url              : centos
- memory               : 5G
- openshift-version    : v3.9.0
- vm-driver            : xhyve

MINISHIFT_ENABLE_EXPERIMENTAL=y minishift start --extra-clusterup-flags='--istio
                                                 --launcher
                                                 --launcher-catalog-git-branch=istio
                                                 --launcher-catalog-git-repo=https://github.com/snowdrop/launcher-booster-catalog.git
                                                 --launcher-openshift-user=admin
                                                 --launcher-openshift-password=admin
                                                 --launcher-github-token=""
                                                 --launcher-github-username=""'