Bartosz Cholewa Managment CI/CD

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Deployment Guide

1. Test Django
2. Build container
3. Push container to GitHub
4. Update secrets
5. Update deployment
6. Wait rollout to finish
7. Migrate database
8. Collect static

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Kubernetes Commands:

# Get commands with basic output
kubectl get services                          # List all services in the namespace
kubectl get pods --all-namespaces             # List all pods in all namespaces
kubectl get pods -o wide                      # List all pods in the current namespace, with more details
kubectl get deployment my-dep                 # List a particular deployment
kubectl get pods                              # List all pods in the namespace
kubectl get pod my-pod -o yaml                # Get a pod's YAML

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1. Server deployment - Hetzner

Install a Kubernetes-Cluster on Hetzner Cloud

1.1 Register to Hetzner Cloud

1.2 Create new project

1.3 Add SSH keys to project

1.4 Add MASTER server to project:

1. Location: Nuremberg
2. Image: Ubuntu 20.04
3. Type: Standard
4. Servers: CPX11 or greater
5. Volume: None
6. Networking: Public IPv4, Public IPv6, Private networks
7. Private Networks:
   1. Name: kubernetes
   2. IP Range: **172.16.0.0/16
8. Firewalls: None
9. Additional features: Placement group
10. Placement group:
    1. Type: Spread
    2. Name: placement-group-1
11. SSH Keys: Previosly created
12. Name: master-1

1.5 Repeat step 1.4. for creating worker-1, worker-2 and rds-1

1.6 Create Hetzner API Tokens

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2. Initialize fresh servers with Ansible

2.1 Create inventory host

cp ansible/inventory/bartoszcholewa.pl.example ansible/inventory/bartoszcholewa.pl

2.2 Update IP addresses to Hetzner servers

ansible/inventory/bartoszcholewa.pl

[masters]
master-1 ansible_host=<MASTER-1_IP> ansible_user=root

[workers]
worker-1 ansible_host=<WORKER-1_IP> ansible_user=root
worker-2 ansible_host=<WORKER-2_IP> ansible_user=root

[databases]
rds-1 ansible_host=<RDS-1_IP> ansible_user=root

2.3 Run Ansible Playbooks

/bin/bash /ansible/deploy_fresh.sh