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llbsolver.go
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/
llbsolver.go
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package solver
import (
"github.com/moby/buildkit/cache/cacheimport"
"github.com/moby/buildkit/frontend"
"github.com/moby/buildkit/worker"
)
// DetermineVertexWorker determines worker for a vertex.
// Currently, constraint is just ignored.
// Also we need to track the workers of the inputs.
func determineVertexWorker(wc *worker.Controller, v Vertex) (worker.Worker, error) {
// TODO: multiworker
return wc.GetDefault()
}
type LLBOpt struct {
WorkerController *worker.Controller
Frontends map[string]frontend.Frontend // used by nested invocations
CacheExporter *cacheimport.CacheExporter
CacheImporter *cacheimport.CacheImporter
}
func NewLLBOpSolver(opt LLBOpt) *Solver {
var s *Solver
s = New(func(v Vertex) (Op, error) {
// TODO: in reality, worker should be determined already and passed into this function(or this function would be removed)
w, err := determineVertexWorker(opt.WorkerController, v)
if err != nil {
return nil, err
}
return w.ResolveOp(v, s)
}, opt.WorkerController, determineVertexWorker, opt.Frontends, opt.CacheExporter, opt.CacheImporter)
return s
}