SemaphoreUI Docker Splash Demo

Demo Ansible molto semplice, pensata per essere eseguita da SemaphoreUI:

test.yml: verifica connettivita e prerequisiti
deploy.yml: deploy di un container Nginx Docker con pagina HTML custom
undeploy.yml: rimozione container e cleanup

Struttura

ansible-semaphore-docker-demo/
  ansible.cfg
  inventory
  requirements.yml
  deploy.yml
  test.yml
  undeploy.yml
  group_vars/
    all.yml
    secrets.yml
  roles/
    splash/
      tasks/main.yml
      templates/index.html.j2
      templates/nginx.conf.j2
  semaphore_dagster_config.example.yml

Prerequisiti host target

Linux con accesso SSH
Privilegi sudo/root
Debian/Ubuntu (nel playbook installo docker.io e python3-docker)

Uso locale rapido

cd ansible-semaphore-docker-demo
ansible-galaxy collection install -r requirements.yml
ansible-playbook -i inventory test.yml
ansible-playbook -i inventory deploy.yml
ansible-playbook -i inventory undeploy.yml

Accesso app

Dopo il deploy:

http://<IP_SERVER>:8090
healthcheck: http://<IP_SERVER>:8090/health

Variabili principali

In group_vars/all.yml:

app_port
greeting_message
container_name
nginx_version
accent_color
secondary_color

In group_vars/secrets.yml:

app_secret
release_id

Per produzione: cifra group_vars/secrets.yml con Ansible Vault.

SemaphoreUI

Per bootstrap automatico con il tuo DAG, usa il file:

semaphore_dagster_config.example.yml

Basta aggiornare URL Semaphore, token API, project ID, repo URL e inventory content.

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