chore(mlmd): Upgrade ML Metadata to 1.14.0.

.cloudbuild.yaml

@@ -158,7 +158,7 @@ steps:
 # * manifests/kustomize/base/metadata/base/metadata-grpc-deployment.yaml
 # * test/tag_for_hosted.sh
 - name: 'gcr.io/cloud-builders/docker'
-  args: ['pull', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0']
+  args: ['pull', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0']
   id:   'pullMetadataServer'
 - name: 'gcr.io/cloud-builders/docker'
   args: ['pull', 'gcr.io/ml-pipeline/minio:RELEASE.2019-08-14T20-37-41Z-license-compliance']

.release.cloudbuild.yaml

@@ -259,14 +259,14 @@ steps:
 # * manifests/kustomize/base/metadata/base/metadata-grpc-deployment.yaml
 # * test/tag_for_hosted.sh
 - name: 'gcr.io/cloud-builders/docker'
-  args: ['pull', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0']
+  args: ['pull', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0']
   id:   'pullMetadataServer'
 - name: 'gcr.io/cloud-builders/docker'
-  args: ['tag', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0', 'gcr.io/ml-pipeline/google/pipelines/metadataserver:$TAG_NAME']
+  args: ['tag', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0', 'gcr.io/ml-pipeline/google/pipelines/metadataserver:$TAG_NAME']
   id:   'tagMetadataServerForMarketplace'
   waitFor: ['pullMetadataServer']
 - name: 'gcr.io/cloud-builders/docker'
-  args: ['tag', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0', 'gcr.io/ml-pipeline/google/pipelines-test/metadataserver:$TAG_NAME']
+  args: ['tag', 'gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0', 'gcr.io/ml-pipeline/google/pipelines-test/metadataserver:$TAG_NAME']
   id:   'tagMetadataServerForMarketplaceTest'
   waitFor: ['pullMetadataServer']
 - id:   'tagMetadataServerForMarketplaceMajorMinor'
@@ -276,8 +276,8 @@ steps:
   args:
   - -ceux
   - |
-    docker tag gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0 gcr.io/ml-pipeline/google/pipelines/metadataserver:$(cat /workspace/mm.ver)
-    docker tag gcr.io/tfx-oss-public/ml_metadata_store_server:1.5.0 gcr.io/ml-pipeline/google/pipelines-test/metadataserver:$(cat /workspace/mm.ver)
+    docker tag gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0 gcr.io/ml-pipeline/google/pipelines/metadataserver:$(cat /workspace/mm.ver)
+    docker tag gcr.io/tfx-oss-public/ml_metadata_store_server:1.14.0 gcr.io/ml-pipeline/google/pipelines-test/metadataserver:$(cat /workspace/mm.ver)
     docker push gcr.io/ml-pipeline/google/pipelines/metadataserver:$(cat /workspace/mm.ver)
     docker push gcr.io/ml-pipeline/google/pipelines-test/metadataserver:$(cat /workspace/mm.ver)
 

backend/metadata_writer/requirements.in

@@ -1,3 +1,3 @@
 kubernetes>=8.0.0,<11.0.0
-ml-metadata==1.5.0
+ml-metadata==1.14.0
 lru-dict>=1.1.7,<2.0.0

backend/src/v2/test/requirements.txt

@@ -2,7 +2,7 @@
 -e ../../../../sdk/python
 # TODO(chensun): remove the deprecated dependencies once migrated tests.
 -r ../../../../sdk/python/requirements-deprecated.txt
-ml-metadata==1.5.0
+ml-metadata==1.14.0
 minio==7.0.4
 google-cloud-storage
 fire

backend/third_party_licenses/apiserver.csv

@@ -61,7 +61,7 @@ github.com/klauspost/cpuid,https://github.com/klauspost/cpuid/blob/v1.3.1/LICENS
 github.com/klauspost/pgzip,https://github.com/klauspost/pgzip/blob/v1.2.5/LICENSE,MIT
 github.com/kubeflow/pipelines/api/v2alpha1/go,https://github.com/kubeflow/pipelines/blob/758c91f76784/api/LICENSE,Apache-2.0
 github.com/kubeflow/pipelines/backend,https://github.com/kubeflow/pipelines/blob/HEAD/LICENSE,Apache-2.0
-github.com/kubeflow/pipelines/third_party/ml-metadata/go/ml_metadata,https://github.com/kubeflow/pipelines/blob/e78ed557ddcb/third_party/ml-metadata/LICENSE,Apache-2.0
+github.com/kubeflow/pipelines/third_party/ml-metadata/go/ml_metadata,https://github.com/kubeflow/pipelines/blob/e1f0c010f800/third_party/ml-metadata/LICENSE,Apache-2.0
 github.com/lann/builder,https://github.com/lann/builder/blob/47ae307949d0/LICENSE,MIT
 github.com/lann/ps,https://github.com/lann/ps/blob/62de8c46ede0/LICENSE,MIT
 github.com/lestrrat-go/strftime,https://github.com/lestrrat-go/strftime/blob/v1.0.4/LICENSE,MIT

frontend/README.md

@@ -176,8 +176,22 @@ If a file in [pipelines/third_party/ml-metadata/ml_metadata/proto](third_party/m
 
 * Add `protoc` ([download](https://github.com/protocolbuffers/protobuf/releases)) to your system
   PATH
+
+  ```bash
+  # Example:
+  apt install -y protobuf-compiler=3.15.8
+  ```
+
 * Add `protoc-gen-grpc-web` ([download](https://github.com/grpc/grpc-web/releases)) to your system
   PATH
+
+  ```bash
+  # Example:
+  curl -LO https://github.com/grpc/grpc-web/releases/download/1.4.2/protoc-gen-grpc-web-1.4.2-linux-x86_64
+  mv protoc-gen-grpc-web-1.4.2-linux-x86_64 /usr/local/bin/protoc-gen-grpc-web
+  chmod +x /usr/local/bin/protoc-gen-grpc-web
+  ```
+
 * Replace `metadata_store.proto` and `metadata_store_service.proto` proto files with target mlmd version by running
 
   ```bash

frontend/src/mlmd/Utils.tsx

@@ -116,4 +116,5 @@ export function getMetadataValue(value?: Value): string | number | Struct | unde
     case Value.ValueCase.VALUE_NOT_SET:
       return '';
   }
+  return '';
 }

frontend/src/pages/ExecutionDetails.tsx

@@ -262,6 +262,7 @@ function parseEventsByType(
     [Event.Type.OUTPUT]: [],
     [Event.Type.INTERNAL_INPUT]: [],
     [Event.Type.INTERNAL_OUTPUT]: [],
+    [Event.Type.PENDING_OUTPUT]: [],
   };
 
   if (!response) {