forked from vmware-archive/atc
/
check.go
63 lines (53 loc) · 1.69 KB
/
check.go
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package resourceserver
import (
"encoding/json"
"net/http"
"code.cloudfoundry.org/lager"
"github.com/concourse/atc"
"github.com/concourse/atc/db"
"github.com/concourse/atc/resource"
"github.com/tedsuo/rata"
)
func (s *Server) CheckResource(dbPipeline db.Pipeline) http.Handler {
logger := s.logger.Session("check-resource")
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
resourceName := rata.Param(r, "resource_name")
var reqBody atc.CheckRequestBody
err := json.NewDecoder(r.Body).Decode(&reqBody)
if err != nil {
logger.Info("malformed-request", lager.Data{"error": err.Error()})
w.WriteHeader(http.StatusBadRequest)
return
}
fromVersion := reqBody.From
if fromVersion == nil {
latestVersion, found, err := dbPipeline.GetLatestVersionedResource(resourceName)
if err != nil {
logger.Info("failed-to-get-latest-versioned-resource", lager.Data{"error": err.Error()})
w.WriteHeader(http.StatusInternalServerError)
return
}
if found {
fromVersion = atc.Version(latestVersion.Version)
}
}
scanner := s.scannerFactory.NewResourceScanner(dbPipeline)
err = scanner.ScanFromVersion(logger, resourceName, fromVersion)
switch scanErr := err.(type) {
case resource.ErrResourceScriptFailed:
checkResponseBody := atc.CheckResponseBody{
ExitStatus: scanErr.ExitStatus,
Stderr: scanErr.Stderr,
}
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusBadRequest)
json.NewEncoder(w).Encode(checkResponseBody)
case db.ResourceNotFoundError:
w.WriteHeader(http.StatusNotFound)
case error:
w.WriteHeader(http.StatusInternalServerError)
default:
w.WriteHeader(http.StatusOK)
}
})
}