From 30b546d124a70f02678c192dcb37e6164bbe2479 Mon Sep 17 00:00:00 2001 From: Nicole Rappe Date: Mon, 9 Dec 2024 04:14:05 -0700 Subject: [PATCH] Update Servers/Virtualization/OpenStack/Ansible Openstack.md --- .../OpenStack/Ansible Openstack.md | 29 +++++++++++++++++-- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/Servers/Virtualization/OpenStack/Ansible Openstack.md b/Servers/Virtualization/OpenStack/Ansible Openstack.md index 7cd040b..5a7a258 100644 --- a/Servers/Virtualization/OpenStack/Ansible Openstack.md +++ b/Servers/Virtualization/OpenStack/Ansible Openstack.md @@ -7,9 +7,9 @@ | **Hostname** | **IP** | **Storage** | **Memory** | **CPU** | **Network** | **Purpose** | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | OPENSTACK-BOOTSTRAPPER | 192.168.3.46 (eth0) | 120GB | 8GB | 8-Cores | eth0 | OpenStack Ansible Playbook Deployment Node | -| OPENSTACK-NODE-01 | 192.168.3.43 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster Node | -| OPENSTACK-NODE-02 | 192.168.3.44 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster Node | -| OPENSTACK-NODE-03 | 192.168.3.45 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster Node | +| OPENSTACK-NODE-01 | 192.168.3.43 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster/Target Node | +| OPENSTACK-NODE-02 | 192.168.3.44 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster/Target Node | +| OPENSTACK-NODE-03 | 192.168.3.45 (eth0) | 250GB (OS), 500GB (Ceph Storage) | 32GB | 16-Cores | eth0, eth1 | OpenStack Cluster/Target Node | ## Configure Hard-Coded DNS for Cluster Nodes We want to ensure everything works even if the nodes have no internet access. By hardcoding the FQDNs, this protects us against several possible stupid situations. @@ -47,9 +47,32 @@ cat /etc/hosts ## OpenStack Deployment Node The "Deployment" node / bootstrapper is responsible for running Ansible playbooks against the cluster nodes that will eventually be running OpenStack. [Original Deployment Node Documentation](https://docs.openstack.org/project-deploy-guide/openstack-ansible/latest/deploymenthost.html) + +### Install Necessary Software ```sh sudo su dnf upgrade dnf install -y git chrony openssh-server python3-devel sudo dnf group install -y "Development Tools" +``` + +### Configure SSH keys +Ansible uses SSH with public key authentication to connect the deployment host and target hosts. Run the following commands to configure this. + +!!! warning "Do not run as root" + You want to make sure you run these commands as a normal user. (e.g. `nicole`). + +``` sh +# Generate SSH Keys (Private / Public) +ssh-keygen + +# Install Public Key on OpenStack Cluster/Target Nodes +ssh-copy-id -i /home/nicole/.ssh/id_rsa.pub nicole@openstack-node-01.bunny-lab.io +ssh-copy-id -i /home/nicole/.ssh/id_rsa.pub nicole@openstack-node-02.bunny-lab.io +ssh-copy-id -i /home/nicole/.ssh/id_rsa.pub nicole@openstack-node-03.bunny-lab.io + +# Validate that SSH Authentication Works Successfully on Each Node +ssh nicole@openstack-node-01.bunny-lab.io +ssh nicole@openstack-node-02.bunny-lab.io +ssh nicole@openstack-node-03.bunny-lab.io ``` \ No newline at end of file