Initial version for k8s from scratch with packer and vagrant.
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commit
eb6a3b5d37
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output-vagrant
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*~
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.git
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.vagrant
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{
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"provisioners": [
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{
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"type": "shell",
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"execute_command": "echo 'vagrant' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
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"script": "scripts/setup.sh"
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}
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],
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"builders": [
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{
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"communicator": "ssh",
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"source_path": "debian/bullseye64",
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"provider": "virtualbox",
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"add_force": true,
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"type": "vagrant"
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}
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]
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}
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#!/bin/sh
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apt-get update
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apt-get install -y vim
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cat << EOF | tee /etc/modules-load.d/k8s.conf
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overlay
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br_netfilter
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EOF
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modprobe overlay
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modprobe br_netfilter
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cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
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net.bridge.bridge-nf-call-iptables = 1
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net.bridge.bridge-nf-call-ip6tables = 1
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net.ipv4.ip_forward = 1
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EOF
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sysctl --system
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cd /tmp
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test -f containerd-1.7.11-linux-amd64.tar.gz || wget https://github.com/containerd/containerd/releases/download/v1.7.11/containerd-1.7.11-linux-amd64.tar.gz
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tar Cxzvf /usr/local containerd-1.7.11-linux-amd64.tar.gz
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mkdir -p /etc/containerd
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containerd config default > config.toml
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cp config.toml /etc/containerd
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test -f containerd.service || wget https://raw.githubusercontent.com/containerd/containerd/main/containerd.service
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cp containerd.service /etc/systemd/system/
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systemctl daemon-reload
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systemctl enable --now containerd
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test -f runc.amd64 || wget https://github.com/opencontainers/runc/releases/download/v1.1.10/runc.amd64
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install -m 755 runc.amd64 /usr/local/sbin/runc
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test -f cni-plugins-linux-amd64-v1.4.0.tgz || wget https://github.com/containernetworking/plugins/releases/download/v1.4.0/cni-plugins-linux-amd64-v1.4.0.tgz
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mkdir -p /opt/cni/bin
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tar Cxzvf /opt/cni/bin cni-plugins-linux-amd64-v1.4.0.tgz
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sed -i.bak "s/SystemdCgroup.*$/SystemdCgroup = true/g" /etc/containerd/config.toml
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systemctl restart containerd
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apt-get update
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apt-get install -y apt-transport-https ca-certificates curl gpg
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mkdir -p /etc/apt/keyrings
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test -f /etc/apt/keyrings/kubernetes-apt-keyring.gpg || ( curl -fsSL https://pkgs.k8s.io/core:/stable:/v1.28/deb/Release.key | gpg --dearmor -o /etc/apt/keyrings/kubernetes-apt-keyring.gpg )
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echo 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.gpg] https://pkgs.k8s.io/core:/stable:/v1.28/deb/ /' | sudo tee /etc/apt/sources.list.d/kubernetes.list
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apt-get update
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apt-get install -y kubelet=1.28.4-1.1 kubeadm=1.28.4-1.1 kubectl=1.28.4-1.1
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swapoff -a
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sed -i.bak -E "s/^.*swap.*//g" /etc/fstab
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# All Vagrant configuration is done below. The "2" in Vagrant.configure
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# configures the configuration version (we support older styles for
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# backwards compatibility). Please don't change it unless you know what
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# you're doing.
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Vagrant.configure("2") do |config|
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# The most common configuration options are documented and commented below.
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# For a complete reference, please see the online documentation at
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# https://docs.vagrantup.com.
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# Every Vagrant development environment requires a box. You can search for
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# boxes at https://vagrantcloud.com/search.
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config.vm.box = "k8s-playground"
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config.vm.hostname = "master.local"
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config.vm.network :private_network, ip: "10.1.0.2"
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# Disable automatic box update checking. If you disable this, then
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# boxes will only be checked for updates when the user runs
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# `vagrant box outdated`. This is not recommended.
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# config.vm.box_check_update = false
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# Create a forwarded port mapping which allows access to a specific port
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# within the machine from a port on the host machine. In the example below,
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# accessing "localhost:8080" will access port 80 on the guest machine.
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# NOTE: This will enable public access to the opened port
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# config.vm.network "forwarded_port", guest: 80, host: 8080
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# Create a forwarded port mapping which allows access to a specific port
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# within the machine from a port on the host machine and only allow access
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# via 127.0.0.1 to disable public access
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# config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
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# Create a private network, which allows host-only access to the machine
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# using a specific IP.
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# config.vm.network "private_network", ip: "192.168.33.10"
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# Create a public network, which generally matched to bridged network.
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# Bridged networks make the machine appear as another physical device on
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# your network.
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# config.vm.network "public_network"
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# Share an additional folder to the guest VM. The first argument is
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# the path on the host to the actual folder. The second argument is
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# the path on the guest to mount the folder. And the optional third
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# argument is a set of non-required options.
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# config.vm.synced_folder "../data", "/vagrant_data"
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# Disable the default share of the current code directory. Doing this
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# provides improved isolation between the vagrant box and your host
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# by making sure your Vagrantfile isn't accessible to the vagrant box.
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# If you use this you may want to enable additional shared subfolders as
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# shown above.
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# config.vm.synced_folder ".", "/vagrant", disabled: true
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# Provider-specific configuration so you can fine-tune various
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# backing providers for Vagrant. These expose provider-specific options.
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# Example for VirtualBox:
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#
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config.vm.provider "virtualbox" do |vb|
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# Display the VirtualBox GUI when booting the machine
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vb.gui = false
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# Customize the amount of memory on the VM:
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vb.memory = "2048"
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end
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#
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# View the documentation for the provider you are using for more
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# information on available options.
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# Enable provisioning with a shell script. Additional provisioners such as
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# Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
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# documentation for more information about their specific syntax and use.
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config.vm.provision "shell", inline: <<-SHELL
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apt-get update
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grep "master.local" /etc/hosts || cat /vagrant/hosts.txt >> /etc/hosts
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test -f /etc/kubernetes/manifests/kube-scheduler.yaml || \\
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( kubeadm init --control-plane-endpoint master.local:6443 --pod-network-cidr 10.2.0.0/22 | tee init.log )
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export KUBECONFIG=/etc/kubernetes/admin.conf
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test -f tigera-operator.yaml || ( wget https://raw.githubusercontent.com/projectcalico/calico/v3.27.0/manifests/tigera-operator.yaml \\
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&& kubectl create -f tigera-operator.yaml )
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test -f custom-resources.yaml || wget https://raw.githubusercontent.com/projectcalico/calico/v3.27.0/manifests/custom-resources.yaml
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sed -i.bak -E "s#cidr.*#cidr: 10\.2\.0\.0/22#g" custom-resources.yaml
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kubectl apply -f custom-resources.yaml
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cat init.log
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SHELL
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end
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10.1.0.2 master.local
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10.1.0.3 worker1.local
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10.1.0.4 worker2.local
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10.1.0.5 worker3.local
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# -*- mode: ruby -*-
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# vi: set ft=ruby :
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# All Vagrant configuration is done below. The "2" in Vagrant.configure
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# configures the configuration version (we support older styles for
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# backwards compatibility). Please don't change it unless you know what
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# you're doing.
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Vagrant.configure("2") do |config|
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# The most common configuration options are documented and commented below.
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# For a complete reference, please see the online documentation at
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# https://docs.vagrantup.com.
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# Every Vagrant development environment requires a box. You can search for
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# boxes at https://vagrantcloud.com/search.
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config.vm.box = "k8s-playground"
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config.vm.hostname = "worker.local"
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config.vm.network :private_network, ip: "10.1.0.3"
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# Disable automatic box update checking. If you disable this, then
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# boxes will only be checked for updates when the user runs
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# `vagrant box outdated`. This is not recommended.
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# config.vm.box_check_update = false
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|
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# Create a forwarded port mapping which allows access to a specific port
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# within the machine from a port on the host machine. In the example below,
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# accessing "localhost:8080" will access port 80 on the guest machine.
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# NOTE: This will enable public access to the opened port
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# config.vm.network "forwarded_port", guest: 80, host: 8080
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# Create a forwarded port mapping which allows access to a specific port
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# within the machine from a port on the host machine and only allow access
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# via 127.0.0.1 to disable public access
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# config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
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# Create a private network, which allows host-only access to the machine
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# using a specific IP.
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# config.vm.network "private_network", ip: "192.168.33.10"
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# Create a public network, which generally matched to bridged network.
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# Bridged networks make the machine appear as another physical device on
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# your network.
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# config.vm.network "public_network"
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# Share an additional folder to the guest VM. The first argument is
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# the path on the host to the actual folder. The second argument is
|
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# the path on the guest to mount the folder. And the optional third
|
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# argument is a set of non-required options.
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# config.vm.synced_folder "../data", "/vagrant_data"
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|
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# Disable the default share of the current code directory. Doing this
|
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# provides improved isolation between the vagrant box and your host
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# by making sure your Vagrantfile isn't accessible to the vagrant box.
|
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# If you use this you may want to enable additional shared subfolders as
|
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# shown above.
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# config.vm.synced_folder ".", "/vagrant", disabled: true
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|
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# Provider-specific configuration so you can fine-tune various
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# backing providers for Vagrant. These expose provider-specific options.
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# Example for VirtualBox:
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#
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config.vm.provider "virtualbox" do |vb|
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# Display the VirtualBox GUI when booting the machine
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vb.gui = false
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# Customize the amount of memory on the VM:
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vb.memory = "2048"
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end
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|
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#
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# View the documentation for the provider you are using for more
|
||||
# information on available options.
|
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|
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# Enable provisioning with a shell script. Additional provisioners such as
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# Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
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# documentation for more information about their specific syntax and use.
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config.vm.provision "shell", inline: <<-SHELL
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apt-get update
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grep "master.local" /etc/hosts || cat /vagrant/hosts.txt >> /etc/hosts
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kubeadm join master.local:6443 --token TBD --discovery-token-ca-cert-hash TBD
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SHELL
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end
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@ -0,0 +1,4 @@
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10.1.0.2 master.local
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10.1.0.3 worker1.local
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10.1.0.4 worker2.local
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10.1.0.5 worker3.local
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Loading…
Reference in New Issue