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docs: add documentation for prebuild scheduling feature (#18462)

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Follow-up to https://github.com/coder/coder/pull/18126

Changes:
- address issue mentioned here:
https://github.com/coder/coder/pull/18126#discussion_r2144557600
- add docs for prebuilds scheduling

---------

Co-authored-by: Danny Kopping <danny@coder.com>
Co-authored-by: Atif Ali <atif@coder.com>
This commit is contained in:
Yevhenii Shcherbina
2025-06-20 10:08:47 -04:00
committed by GitHub
parent da5d5ba96a
commit 8e3022ed9e
4 changed files with 124 additions and 30 deletions
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4
coderd/prebuilds/preset_snapshot.go
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@ -267,14 +267,14 @@ func (p PresetSnapshot) CalculateState() *ReconciliationState {
// - ActionTypeBackoff: Only BackoffUntil is set, indicating when to retry
// - ActionTypeCreate: Only Create is set, indicating how many prebuilds to create
// - ActionTypeDelete: Only DeleteIDs is set, containing IDs of prebuilds to delete
func (p PresetSnapshot) CalculateActions(clock quartz.Clock, backoffInterval time.Duration) ([]*ReconciliationActions, error) {
func (p PresetSnapshot) CalculateActions(backoffInterval time.Duration) ([]*ReconciliationActions, error) {
// TODO: align workspace states with how we represent them on the FE and the CLI
// right now there's some slight differences which can lead to additional prebuilds being created
// TODO: add mechanism to prevent prebuilds being reconciled from being claimable by users; i.e. if a prebuild is
// about to be deleted, it should not be deleted if it has been claimed - beware of TOCTOU races!
actions, needsBackoff := p.needsBackoffPeriod(clock, backoffInterval)
actions, needsBackoff := p.needsBackoffPeriod(p.clock, backoffInterval)
if needsBackoff {
return actions, nil
}