Implement HO golang client API ExtractArtifact(filename string)

Author: 0405ysj

frontend/src/libhoclient/host_orchestrator_client.go

@@ -108,6 +108,9 @@ type UserArtifactsClient interface {
 	// Upload artifact into the artifacts repository.
 	// Artifacts are identified by their SHA256 checksum in the artifacts repository
 	UploadArtifact(filename string) error
+	// Extract artifact into the artifacts repository.
+	// Artifacts are identified by their SHA256 checksum in the artifacts repository
+	ExtractArtifact(filename string) error
 	// Creates a directory in the host where user artifacts can be uploaded to.
 	CreateUploadDir() (string, error)
 	// Uploads file into the given directory.
@@ -590,6 +593,24 @@ func (c *HostOrchestratorClientImpl) ExtractFile(uploadDir string, filename stri
 	return result, nil
 }
 
+func (c *HostOrchestratorClientImpl) ExtractArtifact(filename string) (*hoapi.Operation, error)  {
+	checksum, err := sha256Checksum(filename)
+	if err != nil {
+		return err
+	}
+	path := "/v1/userartifacts/" + checksum + "_extracted"
+	res := &hoapi.StatArtifactResponse{}
+	// Early return if the artifact already exist.
+	if err := c.HTTPHelper.NewGetRequest(path).JSONResDo(res); err == nil {
+		return nil
+	}
+	rb := c.HTTPHelper.NewPostRequest("/v1/userartifacts/"+checksum+"/:extract", nil)
+	if err := rb.JSONResDo(result); err != nil {
+		return nil, err
+	}
+	return result, nil
+}
+
 func (c *HostOrchestratorClientImpl) CreateBugReport(group string, opts CreateBugReportOpts, dst io.Writer) error {
 	op := &hoapi.Operation{}
 	path := "/cvds/" + group + "/:bugreport"