“Cara Install Chef Infra pada AlmaLinux / CentOS 8 / Rocky Linux / Redhat 8”
Daftar Isi
Pengantar
Chef infra adalah salah satu alat Infrastruktur sumber terbuka sebagai Kode (IAC) populer yang digunakan dalam konfigurasi, administrasi, dan penyebaran sumber daya server di seluruh jaringan. CHEF ditulis dalam bahasa Ruby dan Erlang dan didistribusikan di bawah Lisensi Apache 2.0.
Chef architecture
Persiapan
On all the 3 servers
sudo hostnamectl set-hostname chef-server.example.com --static sudo dnf -y install git vim wget curl bash-completion sudo dnf -y update sudo reboot
Setting NTP
- Install NTP
sudo dnf install chrony -y sudo systemctl start chronyd sudo systemctl enable chronyd
Install Chef Infra
- install wget
sudo yum -y install wget
- download chef
wget https://packages.chef.io/files/stable/chef-server/${VER}/el/8/chef-server-core-${VER}-1.el7.x86_64.rpm
- Install chef
dnf localinstall chef-server-core-${VER}-1.el7.x86_64.rpm
- Configurasi Chef
sudo chef-server-ctl reconfigure
Setting Firewall
sudo firewall-cmd --permanent --add-service={http,https} sudo firewall-cmd --reload
Buat Admin User
- Buat admin
chef-server-ctl user create USERNAME FIRST_NAME [MIDDLE_NAME] LAST_NAME EMAIL PASSWORD
USERNAME="chefadmin" FIRST_NAME="Chef" LAST_NAME="Administrator" EMAIL="chefadmin@games.com" PASSWORD="Passw0rd" KEY_PATH="/root/chefadmin.pem"
sudo chef-server-ctl user-create ${USERNAME} ${FIRST_NAME} ${LAST_NAME} ${EMAIL} ${PASSWORD} -f ${KEY_PATH}
- Cek list User
sudo chef-server-ctl user-list
- Buat Organisasi
sudo chef-server-ctl org-create techviewleo 'Techviewleo, Inc.' \ --association_user chefadmin \ --filename /root/techviewleo-validator.pem
- Cek list organisasi
$ sudo chef-server-ctl org-list
- Cek RSA key
sudo find /root -name "*.pem"
- Install Chef Manage
sudo chef-server-ctl install chef-manage sudo chef-server-ctl reconfigure sudo chef-manage-ctl reconfigure
- Akses via browser
https://serverip/login
Install Chef Workstation
- Download chef workstation
wget https://packages.chef.io/files/stable/chef-workstation/${VER}/el/8/chef-workstation-${VER}-1.el8.x86_64.rpm
- Install
sudo yum localinstall chef-workstation-${VER}-1.el8.x86_64.rpm
- Cek version
chef --version knife --version
- Buat chef repo
chef generate repo chef-repo
- buat directory
mkdir ~/chef-repo/.chef cd chef-repo
- Buat RSA key
ssh-keygen -b 4096
- Upload public key ke chef server
ssh-copy-id root@192.168.205.2
- copy perm ke chef workstation
scp root@192.168.205.2:/root/*.pem ~/chef-repo/.chef/
- generate Chef cookbook
chef generate cookbook chef-first-cookbook
Configure Knife dan Bootstrap a Client Node
Pada Workstation node
- edit file
nano ~/chef-repo/.chef/config.rb
current_dir = File.dirname(__FILE__) log_level :info log_location STDOUT node_name 'chefadmin' client_key "chefadmin.pem" validation_client_name 'techviewleo-validator' validation_key "techviewleo-validator.pem" chef_server_url 'https://chef-server.example.com/organizations/techviewleo' cache_type 'BasicFile' cache_options( :path => "#{ENV['HOME']}/.chef/checksums" ) cookbook_path ["#{current_dir}/../cookbooks"]
- Copy SSL
cd ~/chef-repo knife ssl fetch
- Setting bootstrap
cd ~/chef-repo/.chef knife bootstrap 192.168.205.13 -x root -P ***** --node-name chef-client-node
- cek node
knife node show chef-client-node
- cek dashboard
Penutup
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