kjuulh/dagger
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flow cleanup: separate TaskFunc from RunnerFunc

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Extracted from #140

This will help be more flexible in what gets executed and how (e.g. for
running tests for instance)

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
This commit is contained in:
Andrea Luzzardi 2021-03-10 15:01:37 -08:00
parent ef1bb4b873
commit 3628dbda84
1 changed files with 51 additions and 57 deletions
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26
dagger/env.go
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@ -146,7 +146,7 @@ func (env *Env) LocalDirs() map[string]string {
// 1. Scan the environment state
// FIXME: use a common `flow` instance to avoid rescanning the tree.
inst := env.state.CueInst()
flow := cueflow.New(&cueflow.Config{}, inst, newDummyTaskFunc(inst))
flow := cueflow.New(&cueflow.Config{}, inst, newTaskFunc(inst, noOpRunner))
for _, t := range flow.Tasks() {
v := compiler.Wrap(t.Value(), inst)
localdirs(v.Get("#compute"))
@ -225,7 +225,7 @@ func (env *Env) Compute(ctx context.Context, s Solver) error {
lg := log.Ctx(ctx)
// Cueflow cue instance
flowInst := env.state.CueInst()
inst := env.state.CueInst()
// Reset the output
env.output = compiler.EmptyStruct()
@ -260,7 +260,7 @@ func (env *Env) Compute(ctx context.Context, s Solver) error {
},
}
// Orchestrate execution with cueflow
flow := cueflow.New(flowCfg, flowInst, newPipelineTaskFunc(flowInst, s))
flow := cueflow.New(flowCfg, inst, newTaskFunc(inst, newPipelineRunner(inst, s)))
if err := flow.Run(ctx); err != nil {
return err
}
@ -273,27 +273,22 @@ func (env *Env) Compute(ctx context.Context, s Solver) error {
}
}
func newDummyTaskFunc(inst *cue.Instance) cueflow.TaskFunc {
func newTaskFunc(inst *cue.Instance, runner cueflow.RunnerFunc) cueflow.TaskFunc {
return func(flowVal cue.Value) (cueflow.Runner, error) {
v := compiler.Wrap(flowVal, inst)
if !isComponent(v) {
// No compute script
return nil, nil
}
return cueflow.RunnerFunc(func(t *cueflow.Task) error {
return nil
}), nil
return runner, nil
}
}
func newPipelineTaskFunc(inst *cue.Instance, s Solver) cueflow.TaskFunc {
return func(flowVal cue.Value) (cueflow.Runner, error) {
v := compiler.Wrap(flowVal, inst)
if !isComponent(v) {
// No compute script
return nil, nil
func noOpRunner(t *cueflow.Task) error {
return nil
}
// Cueflow run func:
func newPipelineRunner(inst *cue.Instance, s Solver) cueflow.RunnerFunc {
return cueflow.RunnerFunc(func(t *cueflow.Task) error {
ctx := t.Context()
lg := log.
@ -344,6 +339,5 @@ func newPipelineTaskFunc(inst *cue.Instance, s Solver) cueflow.TaskFunc {
Dur("duration", time.Since(start)).
Msg("completed")
return nil
}), nil
}
})
}