Installation OpenStack CentOS 8 Kolla-ansible

Cloud Computing

Seiring perkembangan zaman, Teknologi Virtualisasi kini merambah semakin mendekati penggunanya secara langsung. Dari hanya terbatas pada virtualisasi sekala local hingga saat ini ke arah cloud computing. Dengan adanya cloud computing mempermudah deployment suatu server secara virtual, Cloud Computing terbagi menjadi tiga bagian, yaitu:

• Public Cloud
• Private Cloud
• Hybrid Cloud

Public Cloud: Layanan Computasi yang dapat di akses secara Public (GCP, AWS, Azure, Alibaba, Dll.)

Private Cloud: Layanan Computasi yang hanya diakses secara Private (Openstack, Dll.)

Hybrid Cloud: Layanan Computasi yang menggabungkan 2 layanan dari Private dan Public

Tutorial Berikut ini menggunakan OS CentOS8 dan Openstack Victoria

Req Minimal For Stable:

CPU : 4 Core

RAM : 16 GB

HDD :  200GB

 Preparation

$ ping -c3 google.com#pastikan internet berjalan

$ sudo dnf install python3-devel libffi-devel gcc openssl-devel python3-libselinux

Install dependencies

$ sudo dnf install epel-release

$ sudo dnf install python3-pip

$ sudo pip3 install -U pip

$ sudo dnf install ansible

Install Kolla

$ sudo pip3 install kolla-ansible --ignore-installed PyYAML

$ sudo mkdir -p /etc/kolla

$ sudo chown $USER:$USER /etc/kolla

$ cp -r /usr/local/share/kolla-ansible/etc_examples/kolla/* /etc/kolla

$ cp /usr/local/share/kolla-ansible/ansible/inventory/* .

Tuning ansible

$ sudo mkdir -p /etc/ansible

$ sudo nano /etc/ansible/ansible.cfg

[defaults] host_key_checking=False pipelining=True forks=100

$ sudo nano /etc/hosts

127.0.0.1 localhost ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

{{ ip-server1 }} server1

Check ping to server

$ ansible -i all-in-one all -m ping

Generate password untuk setiap service openstack

$ kolla-genpwd #otomatis generate ke file /etc/kolla/passwords.yml

Edit deployment configuration

$ nano /etc/kolla/globals.yml

....

kolla_base_distro: "centos"

kolla_install_type: "source"

network_interface: "eth0" #interface management

neutron_external_interface: "eth1" #interface external

kolla_internal_vip_address: "10.33.102.245" # IP di subnet int management yang tidak terpakai

nova_compute_virt_type: "qemu"

....

Run kolla-ansible

$ kolla-ansible -i ./all-in-one bootstrap-servers 

$ kolla-ansible -i ./all-in-one prechecks 

$ kolla-ansible -i ./all-in-one deploy

Using Openstack

$ kolla-ansible post-deploy $ . /etc/kolla/admin-openrc.sh

$ sudo pip3 install python-openstackclient

Check openstack cli commmand

$ openstack hypervisor list 

$ openstack endpoint list 

$ openstack service list

Screen

$ screen -R deploy

for detach:

$ ctrl+a lalu tekan d

back to session

$ screen-r deploy