feat: CR-8697 get artifact by manifest (pull request #107)

Signed-off-by: Denis <[email protected]>

Author: ATGardner

pkg/apis/workflow/v1alpha1/generated.pb.go

@@ -1024,6 +1024,10 @@ func (a *Artifact) CleanPath() error {
 	return nil
 }
 
+type ArtifactByManifestRequest struct {
+	Workflow *Workflow `protobuf:"bytes,1,opt,name=workflow" json:"workflow,omitempty"`
+}
+
 // PodGC describes how to delete completed pods as they complete
 type PodGC struct {
 	// Strategy is the strategy to use. One of "OnPodCompletion", "OnPodSuccess", "OnWorkflowCompletion", "OnWorkflowSuccess". If unset, does not delete Pods

pkg/apis/workflow/v1alpha1/generated.proto

@@ -401,6 +401,8 @@ func (as *argoServer) newHTTPServer(ctx context.Context, port int, artifactServe
 		mux.HandleFunc("/artifacts-by-uid/", artifactServer.GetOutputArtifactByUID)
 		mux.HandleFunc("/input-artifacts-by-uid/", artifactServer.GetInputArtifactByUID)
 		mux.HandleFunc("/artifact-files/", artifactServer.GetArtifactFile)
+		mux.HandleFunc("/artifacts-by-manifest/", artifactServer.GetOutputArtifactByManifest)
+		mux.HandleFunc("/input-artifacts-by-manifest/", artifactServer.GetInputArtifactByManifest)
 	}
 	mux.Handle("/oauth2/redirect", handlers.ProxyHeaders(http.HandlerFunc(as.oAuth2Service.HandleRedirect)))
 	mux.Handle("/oauth2/callback", handlers.ProxyHeaders(http.HandlerFunc(as.oAuth2Service.HandleCallback)))

pkg/apis/workflow/v1alpha1/openapi_generated.go

@@ -2,6 +2,7 @@ package artifacts
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
@@ -280,6 +281,57 @@ func (a *ArtifactServer) getArtifact(w http.ResponseWriter, r *http.Request, isI
 	}
 }
 
+func (a *ArtifactServer) GetOutputArtifactByManifest(w http.ResponseWriter, r *http.Request) {
+	a.getArtifactByManifest(w, r, false)
+}
+
+func (a *ArtifactServer) GetInputArtifactByManifest(w http.ResponseWriter, r *http.Request) {
+	a.getArtifactByManifest(w, r, true)
+}
+
+func (a *ArtifactServer) getArtifactByManifest(w http.ResponseWriter, r *http.Request, isInput bool) {
+
+	var req wfv1.ArtifactByManifestRequest
+	err := json.NewDecoder(r.Body).Decode(&req)
+	if err != nil {
+		a.serverInternalError(err, w)
+		return
+	}
+
+	wf := req.Workflow
+	if wf == nil {
+		a.serverInternalError(err, w)
+		return
+	}
+
+	ctx, err := a.gateKeeping(r, types.NamespaceHolder(wf.GetNamespace()))
+	if err != nil {
+		w.WriteHeader(401)
+		_, _ = w.Write([]byte(err.Error()))
+		return
+	}
+
+	uid := wf.UID
+	path := strings.SplitN(r.URL.Path, "/", 6)
+	nodeId := path[2]
+	artifactName := path[3]
+
+	log.WithFields(log.Fields{"uid": uid, "nodeId": nodeId, "artifactName": artifactName, "isInput": isInput}).Info("Download artifact by manifest")
+
+	art, driver, err := a.getArtifactAndDriver(ctx, nodeId, artifactName, isInput, wf, nil)
+	if err != nil {
+		a.serverInternalError(err, w)
+		return
+	}
+
+	err = a.returnArtifact(w, art, driver)
+
+	if err != nil {
+		a.serverInternalError(err, w)
+		return
+	}
+}
+
 func (a *ArtifactServer) GetOutputArtifactByUID(w http.ResponseWriter, r *http.Request) {
 	a.getArtifactByUID(w, r, false)
 }