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ensure application resilience #598

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opened 2025-12-01 14:58:01 +01:00 by kiara · 0 comments
kiara commented 2025-12-01 14:58:01 +01:00
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As an operator,
I want for my applications to be resilient,
so that I may feel confident I can rely on them.

implementation notes

application resilience is inherent to kubernetes (thread), which uses service-level pods so that things may be restarted at the appropriate level.
a path to using that might looks as follows:

  1. #621 create modular services for nixos modules of desired applications
  2. #623 make fediversity application definitions use those modular services
  3. #620 generate kubernetes container from modular service
  4. #619 set up kubernetes
  5. #624 make application definitions use generated kubernetes containers
  6. #625 ensure way to coordinate across nodes, e.g. #603
  7. #622 wrap modular services
**As an operator**, **I want** for my applications to be resilient, **so that** I may feel confident I can rely on them. ### implementation notes application resilience is inherent to [kubernetes](https://wiki.nixos.org/wiki/Kubernetes) ([thread](https://discourse.nixos.org/t/nixifying-kubernetes-with-nix-csi-easykubenix-and-dinix/70899)), which uses service-level pods so that things may be restarted at the appropriate level. a path to using that might looks as follows: 1. [ ] #621 create modular services for nixos modules of desired applications 1. [ ] #623 make fediversity application definitions use those modular services 1. [ ] #620 generate kubernetes container from modular service 1. [ ] #619 set up kubernetes 1. [ ] #624 make application definitions use generated kubernetes containers 1. [ ] #625 ensure way to coordinate across nodes, e.g. #603 1. [ ] #622 wrap modular services
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api service

features that may relate more to a (to be created) API service

  
blocked

   
component: fediversity panel

   
component: nixops4

   
documentation

   
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estimation low: <2h

   
estimation mid: <8h

   
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role: application operator

   
role: hosting provider

   
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type: user story

   
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documentation
estimation high: >3d
estimation low: <2h
estimation mid: <8h
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role: application developer
role: application operator
role: hosting provider
role: maintainer
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Blocks
#289 key features improving user experience supported
fediversity/fediversity
Depends on
#619 kubernetes set up
fediversity/fediversity
#620 generate kubernetes container from modular service
fediversity/fediversity
#621 applications' NixOS modules use modular services
fediversity/fediversity
#622 NixOS modules wrap modular services
fediversity/fediversity
#623 applications use modular services
fediversity/fediversity
#624 application definitions use service-level containers
fediversity/fediversity
#625 contracts coordinated across pods
fediversity/fediversity
Reference: fediversity/fediversity#598
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