Files
narratio/internal/app/run_control.go

114 lines
2.8 KiB
Go

package app
import (
"context"
"fmt"
"time"
"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
"gitea.maximumdirect.net/eric/narratio/internal/config"
"gitea.maximumdirect.net/eric/narratio/internal/manifest"
"gitea.maximumdirect.net/eric/narratio/internal/stage"
)
type stageAction string
const (
stageActionRun stageAction = "run"
stageActionSkip stageAction = "skip"
)
type stageDecision struct {
Stage stage.Stage
Action stageAction
}
func decideStageActions(stages []stage.Stage, m *manifest.Manifest, force bool) []stageDecision {
out := make([]stageDecision, 0, len(stages))
for _, s := range stages {
action := stageActionRun
// TODO: incorporate stale detection once checksum/input change tracking is implemented.
if !force && stageSucceeded(m, s.Name()) {
action = stageActionSkip
}
out = append(out, stageDecision{
Stage: s,
Action: action,
})
}
return out
}
func stageSucceeded(m *manifest.Manifest, name string) bool {
if m == nil || m.Stages == nil {
return false
}
sr := m.Stages[name]
return sr != nil && sr.Status == manifest.StatusSucceeded
}
func loadManifestIfPresent(ctx context.Context, cfg *config.Config) (*manifest.Manifest, error) {
path := artifacts.SessionManifestPathForCampaign(
cfg.Pipeline.Workspace.Root,
cfg.Session.Campaign,
cfg.Session.SessionID,
)
exists, err := fileExists(path)
if err != nil {
return nil, fmt.Errorf("check manifest %q: %w", path, err)
}
if !exists {
return nil, nil
}
store := &manifest.LocalStore{}
m, err := store.Load(ctx, path)
if err != nil {
return nil, fmt.Errorf("load manifest %q: %w", path, err)
}
return m, nil
}
func canonicalStageNames() []string {
all := stage.All()
out := make([]string, 0, len(all))
for _, s := range all {
if s == nil {
continue
}
out = append(out, s.Name())
}
return out
}
func downstreamStageNames(stageName string) []string {
names := canonicalStageNames()
for i, name := range names {
if name != stageName {
continue
}
return append([]string(nil), names[i+1:]...)
}
return nil
}
func invalidateDownstreamSucceededStages(m *manifest.Manifest, upstreamStage string, at time.Time) []string {
return invalidateDownstreamSucceededStagesWithReason(m, upstreamStage, at, "upstream stage rerun with force")
}
func invalidateDownstreamSucceededStagesWithReason(m *manifest.Manifest, upstreamStage string, at time.Time, reason string) []string {
if m == nil || m.Stages == nil {
return nil
}
invalidated := make([]string, 0)
for _, downstream := range downstreamStageNames(upstreamStage) {
sr := m.Stages[downstream]
if sr == nil || sr.Status != manifest.StatusSucceeded {
continue
}
m.MarkStageStale(downstream, at, reason)
invalidated = append(invalidated, downstream)
}
return invalidated
}