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prune.go
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/
prune.go
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package workerserver
import (
"encoding/json"
"net/http"
"github.com/concourse/atc"
"github.com/concourse/atc/db"
)
func (s *Server) PruneWorker(w http.ResponseWriter, r *http.Request) {
logger := s.logger.Session("pruning-worker")
workerName := r.FormValue(":worker_name")
worker, found, err := s.dbWorkerFactory.GetWorker(workerName)
if err != nil {
logger.Error("failed-finding-worker-to-prune", err)
w.WriteHeader(http.StatusInternalServerError)
return
}
if !found {
logger.Error("failed-to-find-worker", err)
w.WriteHeader(http.StatusNotFound)
return
}
err = worker.Prune()
if err == db.ErrWorkerNotPresent {
logger.Error("failed-to-find-worker", err)
w.WriteHeader(http.StatusNotFound)
return
}
if err == db.ErrCannotPruneRunningWorker {
logger.Error("failed-to-prune-non-stalled-worker", err)
responseBody := atc.PruneWorkerResponseBody{
Stderr: "cannot prune running worker",
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusBadRequest)
json.NewEncoder(w).Encode(responseBody)
return
}
if err != nil {
logger.Error("failed-to-prune-worker", err)
w.WriteHeader(http.StatusInternalServerError)
return
}
w.WriteHeader(http.StatusOK)
}