68 lines
2.0 KiB
Go
68 lines
2.0 KiB
Go
package buildstep
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import (
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"context"
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"strings"
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"sync"
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"time"
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"git.novox.be/novox/mesh-sdk/go/delivery"
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)
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// **A running ask says its phases** (issue 1890, 2026-10-26 19:09: a mesh-catalog try's step on the workstation ran 30 minutes
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// and its module's journal held no line naming its ask, so nobody could tell whether it fetched, linted or tested). The
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// puller hands every ask's run a phase reporter in its context; RunAsk and a module's own step bodies call Phase as they
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// move (fetch and merge, a level's digest, lint, a level's tests), and each phase is logged with the ask's id and its
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// time since the start, and written to the ask's running step key (delivery.Step.Phase), so its asker and the delivery
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// view read where it stands from the bus.
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type phaseKey struct{}
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// Phase says that the ask whose run ctx belongs to entered phase; nothing outside an ask's run (a tool called by hand).
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func Phase(ctx context.Context, phase string) {
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if r, ok := ctx.Value(phaseKey{}).(*phases); ok && r != nil {
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r.enter(strings.TrimSpace(phase))
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}
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}
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// phases is one running ask's reporter: it writes the step key again with each new phase until the step ends.
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type phases struct {
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mu sync.Mutex
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put Put
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key string
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step delivery.Step
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ended bool
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logf func(format string, args ...any)
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prefix string
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}
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func (r *phases) enter(phase string) {
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if phase == "" {
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return
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}
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r.mu.Lock()
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defer r.mu.Unlock()
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if r.ended || phase == r.step.Phase {
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return
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}
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at := now().UTC()
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r.step.Phase, r.step.PhaseAt = phase, at
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if r.logf != nil {
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r.logf("%s: %s, %s after its start", r.prefix, phase, at.Sub(r.step.Started).Round(time.Second))
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}
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if r.put == nil {
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return
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}
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if err := write(r.put, r.key, r.step); err != nil && r.logf != nil {
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r.logf("%s: the phase %s could not be written to %s: %v", r.prefix, phase, r.key, err)
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}
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}
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// end stops the writes (the step's end is written after it) and answers the step with its last phase, for the end.
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func (r *phases) end() delivery.Step {
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r.mu.Lock()
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defer r.mu.Unlock()
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r.ended = true
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return r.step
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}
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