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71 lines
1.8 KiB
Markdown
71 lines
1.8 KiB
Markdown
# Migration test -> prod HAPROXY
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# Sommaire
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- Haute Disponibilité (HA) : éviter les coupures en prod
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- Déploiement : copie de test à prod
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---
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# Stratégies de déploiement
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- Blue Green Deployment
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- Rolling Deployment
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Ressources : [Ansible](https://docs.ansible.com/ansible/latest/playbook_guide/guide_rolling_upgrade.html#the-rolling-upgrade), [AWS](https://docs.aws.amazon.com/pdfs/whitepapers/latest/blue-green-deployments/blue-green-deployments.pdf#welcome), [Blog Personnel](https://blog.itaysk.com/2017/11/20/deployment-strategies-defined)
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# HA
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# HA
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# HA
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# HA
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# HA : Notes
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- Reverse proxy
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- X-Forwarded-For
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- Choix du logiciel : HaProxy, Nginx, Apache...
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- Rollback difficile (sauf si...)
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- Health checks
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- Serveur "sur demande"
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---
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# Copie test -> prod
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- [ZFS](https://gricad-gitlab.univ-grenoble-alpes.fr/tienyoun/gdml_deployment/-/blob/zfs/prod_deploy.sh?ref_type=heads)
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- [rsync](https://gricad-gitlab.univ-grenoble-alpes.fr/tienyoun/gdml_deployment/-/blob/main/haproxy/prod_deploy.sh?ref_type=heads)
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---
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| | ZFS | rsync |
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| ------------------------------------ | --- | ----- |
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| Abstraction hyperviseur | | x |
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| Simplicité/Complexité de maintenance | | x |
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| Simplicité/Complexité d'usage | | x |
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| Déduplication des données | x | |
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| Optimisation | x | |
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| Rollback | x | (?) |
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---
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# Choix ?
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* **Rsync** : pour les petits datasets ou pour des fichiers "statiques"
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* **ZFS** : pour les grosses données (>)
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