chore: update templates (#289)

* changes without context autosynth cannot find the source of changes triggered by earlier changes in this repository, or by version upgrades to tools such as linters. * docs: add proto-plus to intersphinx mapping Source-Author: Tim Swast <swast@google.com> Source-Date: Tue Oct 27 12:01:14 2020 -0500 Source-Repo: googleapis/synthtool Source-Sha: ea52b8a0bd560f72f376efcf45197fb7c8869120 Source-Link: googleapis/synthtool@ea52b8a * chore: add type hint check Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Wed Nov 4 17:36:32 2020 -0800 Source-Repo: googleapis/synthtool Source-Sha: 3d3e94c4e02370f307a9a200b0c743c3d8d19f29 Source-Link: googleapis/synthtool@3d3e94c * chore: add blacken to template Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Thu Nov 5 15:22:03 2020 -0800 Source-Repo: googleapis/synthtool Source-Sha: 1f1148d3c7a7a52f0c98077f976bd9b3c948ee2b Source-Link: googleapis/synthtool@1f1148d * fix: address lint issues Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Thu Nov 12 11:30:49 2020 -0800 Source-Repo: googleapis/synthtool Source-Sha: e89175cf074dccc4babb4eca66ae913696e47a71 Source-Link: googleapis/synthtool@e89175c * docs(python): update intersphinx for grpc and auth * docs(python): update intersphinx for grpc and auth * use https for python intersphinx Co-authored-by: Tim Swast <swast@google.com> Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Wed Nov 18 14:37:25 2020 -0700 Source-Repo: googleapis/synthtool Source-Sha: 9a7d9fbb7045c34c9d3d22c1ff766eeae51f04c9 Source-Link: googleapis/synthtool@9a7d9fb * docs(python): fix intersphinx link for google-auth Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Thu Nov 19 10:16:05 2020 -0700 Source-Repo: googleapis/synthtool Source-Sha: a073c873f3928c561bdf87fdfbf1d081d1998984 Source-Link: googleapis/synthtool@a073c87 * chore: add config / docs for 'pre-commit' support Source-Author: Tres Seaver <tseaver@palladion.com> Source-Date: Tue Dec 1 16:01:20 2020 -0500 Source-Repo: googleapis/synthtool Source-Sha: 32af6da519a6b042e3da62008e2a75e991efb6b4 Source-Link: googleapis/synthtool@32af6da * chore(deps): update precommit hook pre-commit/pre-commit-hooks to v3.3.0 Source-Author: WhiteSource Renovate <bot@renovateapp.com> Source-Date: Wed Dec 2 17:18:24 2020 +0100 Source-Repo: googleapis/synthtool Source-Sha: 69629b64b83c6421d616be2b8e11795738ec8a6c Source-Link: googleapis/synthtool@69629b6 * chore: update noxfile.py.j2 * Update noxfile.py.j2 add changes from @glasnt to the template template to ensure that enforcing type hinting doesn't fail for repos with the sample noxfile (aka all samples repos) See https://github.com/GoogleCloudPlatform/python-docs-samples/pull/4869/files for context * fix typo Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Thu Dec 3 13:44:30 2020 -0800 Source-Repo: googleapis/synthtool Source-Sha: 18c5dbdb4ac8cf75d4d8174e7b4558f48e76f8a1 Source-Link: googleapis/synthtool@18c5dbd * chore(deps): update precommit hook pre-commit/pre-commit-hooks to v3.4.0 Co-authored-by: Tres Seaver <tseaver@palladion.com> Source-Author: WhiteSource Renovate <bot@renovateapp.com> Source-Date: Wed Dec 16 18:13:24 2020 +0100 Source-Repo: googleapis/synthtool Source-Sha: aa255b15d52b6d8950cca48cfdf58f7d27a60c8a Source-Link: googleapis/synthtool@aa255b1 * docs(python): document adding Python 3.9 support, dropping 3.5 support Closes #787 Source-Author: Tres Seaver <tseaver@palladion.com> Source-Date: Thu Dec 17 16:08:02 2020 -0500 Source-Repo: googleapis/synthtool Source-Sha: b670a77a454f415d247907908e8ee7943e06d718 Source-Link: googleapis/synthtool@b670a77 * chore: exclude `.nox` directories from linting The samples tests create `.nox` directories with all dependencies installed. These directories should be excluded from linting. I've tested this change locally, and it significantly speeds up linting on my machine. Source-Author: Tim Swast <swast@google.com> Source-Date: Tue Dec 22 13:04:04 2020 -0600 Source-Repo: googleapis/synthtool Source-Sha: 373861061648b5fe5e0ac4f8a38b32d639ee93e4 Source-Link: googleapis/synthtool@3738610 * chore(python): fix column sizing issue in docs Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Thu Jan 7 11:58:32 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: f15b57ccfd71106c2299e9b89835fe6e55015662 Source-Link: googleapis/synthtool@f15b57c * chore(python): use 'http' in LICENSE Co-authored-by: Tim Swast <swast@google.com> Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Thu Jan 7 13:05:12 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: 41a4e56982620d3edcf110d76f4fcdfdec471ac8 Source-Link: googleapis/synthtool@41a4e56 * chore(python): skip docfx in main presubmit * chore(python): skip docfx in main presubmit * fix: properly template the repo name Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Fri Jan 8 10:32:13 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: fb53b6fb373b7c3edf4e55f3e8036bc6d73fa483 Source-Link: googleapis/synthtool@fb53b6f * chore: add missing quotation mark Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Mon Jan 11 09:43:06 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: 16ec872dd898d7de6e1822badfac32484b5d9031 Source-Link: googleapis/synthtool@16ec872 * chore: add 3.9 to noxfile template Since the python-docs-samples noxfile-template doesn't sync with this, I wanted to make sure the noxfile template matched the most recent change [here](https://github.com/GoogleCloudPlatform/python-docs-samples/pull/4968/files) cc @tmatsuo Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Fri Jan 15 17:24:05 2021 -0800 Source-Repo: googleapis/synthtool Source-Sha: 56ddc68f36b32341e9f22c2c59b4ce6aa3ba635f Source-Link: googleapis/synthtool@56ddc68 * build(python): make `NOX_SESSION` optional I added this accidentally in #889. `NOX_SESSION` should be passed down if it is set but not marked required. Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Tue Jan 19 09:38:04 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: ba960d730416fe05c50547e975ce79fcee52c671 Source-Link: googleapis/synthtool@ba960d7 * chore: Add header checker config to python library synth Now that we have it working in [python-docs-samples](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/.github/header-checker-lint.yml) we should consider adding it to the 🐍 libraries :) Source-Author: Leah E. Cole <6719667+leahecole@users.noreply.github.com> Source-Date: Mon Jan 25 13:24:08 2021 -0800 Source-Repo: googleapis/synthtool Source-Sha: 573f7655311b553a937f9123bee17bf78497db95 Source-Link: googleapis/synthtool@573f765 * build: migrate to flakybot Source-Author: Justin Beckwith <justin.beckwith@gmail.com> Source-Date: Thu Jan 28 22:22:38 2021 -0800 Source-Repo: googleapis/synthtool Source-Sha: d1bb9173100f62c0cfc8f3138b62241e7f47ca6a Source-Link: googleapis/synthtool@d1bb917 * chore(python): include py.typed files in release A py.typed file must be included in the released package for it to be considered typed by type checkers. https://www.python.org/dev/peps/pep-0561/#packaging-type-information. See googleapis/python-secret-manager#79 Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Fri Feb 5 17:32:06 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: 33366574ffb9e11737b3547eb6f020ecae0536e8 Source-Link: googleapis/synthtool@3336657 * docs: update python contributing guide Adds details about blacken, updates version for system tests, and shows how to pass through pytest arguments. Source-Author: Chris Cotter <cjcotter@google.com> Source-Date: Mon Feb 8 17:13:36 2021 -0500 Source-Repo: googleapis/synthtool Source-Sha: 4679e7e415221f03ff2a71e3ffad75b9ec41d87e Source-Link: googleapis/synthtool@4679e7e * build(python): enable flakybot on library unit and system tests Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Wed Feb 17 14:10:46 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: d17674372e27fb8f23013935e794aa37502071aa Source-Link: googleapis/synthtool@d176743 * chore: add pre-commit-config to renovate ignore paths Disable renovate PRs on the .pre-commit-config.yaml which is templated from synthtool. https://docs.renovatebot.com/configuration-options/#ignorepaths Source-Author: Bu Sun Kim <8822365+busunkim96@users.noreply.github.com> Source-Date: Mon Mar 15 09:05:39 2021 -0600 Source-Repo: googleapis/synthtool Source-Sha: 2c54c473779ea731128cea61a3a6c975a08a5378 Source-Link: googleapis/synthtool@2c54c47 * chore(python): add kokoro configs for periodic builds against head This change should be non-destructive. Note for library repo maintainers: After applying this change, you can easily add (or change) periodic builds against head by adding config files in google3. See python-pubsub repo for example. Source-Author: Takashi Matsuo <tmatsuo@google.com> Source-Date: Fri Mar 19 11:17:59 2021 -0700 Source-Repo: googleapis/synthtool Source-Sha: 79c8dd7ee768292f933012d3a69a5b4676404cda Source-Link: googleapis/synthtool@79c8dd7 * chore(deps): update precommit hook pycqa/flake8 to v3.9.0 [![WhiteSource Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com) This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [pycqa/flake8](https://gitlab.com/pycqa/flake8) | repository | minor | `3.8.4` -> `3.9.0` | --- ### Release Notes <details> <summary>pycqa/flake8</summary> ### [`v3.9.0`](https://gitlab.com/pycqa/flake8/compare/3.8.4...3.9.0) [Compare Source](https://gitlab.com/pycqa/flake8/compare/3.8.4...3.9.0) </details> --- ### Renovate configuration :date: **Schedule**: At any time (no schedule defined). :vertical_traffic_light: **Automerge**: Disabled by config. Please merge this manually once you are satisfied. :recycle: **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. :no_bell: **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, check this box --- This PR has been generated by [WhiteSource Renovate](https://renovate.whitesourcesoftware.com). View repository job log [here](https://app.renovatebot.com/dashboard#github/googleapis/synthtool). Source-Author: WhiteSource Renovate <bot@renovateapp.com> Source-Date: Tue Mar 23 17:38:03 2021 +0100 Source-Repo: googleapis/synthtool Source-Sha: f5c5904fb0c6aa3b3730eadf4e5a4485afc65726 Source-Link: googleapis/synthtool@f5c5904 * fix: revert changes that break unit and docs tests Co-authored-by: larkee <larkee@users.noreply.github.com>
googleapis · Mar 25, 2021 · 89e13ba · 89e13ba
1 parent eee2181
commit 89e13ba
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Showing 23 changed files with 353 additions and 131 deletions.
diff --git a/.flake8 b/.flake8
@@ -26,6 +26,7 @@ exclude =
   *_pb2.py
 
   # Standard linting exemptions.
+  **/.nox/**
   __pycache__,
   .git,
   *.pyc,

diff --git a/.github/header-checker-lint.yml b/.github/header-checker-lint.yml
@@ -0,0 +1,15 @@
+{"allowedCopyrightHolders": ["Google LLC"],
+ "allowedLicenses": ["Apache-2.0", "MIT", "BSD-3"],
+ "ignoreFiles": ["**/requirements.txt", "**/requirements-test.txt"],
+ "sourceFileExtensions": [
+ 	"ts", 
+ 	"js", 
+ 	"java", 
+ 	"sh", 
+ 	"Dockerfile", 
+ 	"yaml", 
+ 	"py",
+ 	"html",
+ 	"txt"
+ ]
+}
diff --git a/.gitignore b/.gitignore
@@ -49,8 +49,10 @@ docs.metadata
 
 # Virtual environment
 env/
+
+# Test logs
 coverage.xml
-sponge_log.xml
+*sponge_log.xml
 
 # System test environment variables.
 system_tests/local_test_setup

diff --git a/.kokoro/build.sh b/.kokoro/build.sh
@@ -15,7 +15,11 @@
 
 set -eo pipefail
 
-cd github/python-spanner
+if [[ -z "${PROJECT_ROOT:-}" ]]; then
+    PROJECT_ROOT="github/python-spanner"
+fi
+
+cd "${PROJECT_ROOT}"
 
 # Disable buffering, so that the logs stream through.
 export PYTHONUNBUFFERED=1
@@ -33,16 +37,26 @@ export PROJECT_ID=$(cat "${KOKORO_GFILE_DIR}/project-id.json")
 export GOOGLE_CLOUD_TESTS_CREATE_SPANNER_INSTANCE=true
 
 # Remove old nox
-python3.6 -m pip uninstall --yes --quiet nox-automation
+python3 -m pip uninstall --yes --quiet nox-automation
 
 # Install nox
-python3.6 -m pip install --upgrade --quiet nox
-python3.6 -m nox --version
+python3 -m pip install --upgrade --quiet nox
+python3 -m nox --version
+
+# If this is a continuous build, send the test log to the FlakyBot.
+# See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
+if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"continuous"* ]]; then
+  cleanup() {
+    chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
+    $KOKORO_GFILE_DIR/linux_amd64/flakybot
+  }
+  trap cleanup EXIT HUP
+fi
 
 # If NOX_SESSION is set, it only runs the specified session,
 # otherwise run all the sessions.
 if [[ -n "${NOX_SESSION:-}" ]]; then
-    python3.6 -m nox -s "${NOX_SESSION:-}"
+    python3 -m nox -s ${NOX_SESSION:-}
 else
-    python3.6 -m nox
+    python3 -m nox
 fi
diff --git a/.kokoro/docs/docs-presubmit.cfg b/.kokoro/docs/docs-presubmit.cfg
@@ -15,3 +15,14 @@ env_vars: {
     key: "TRAMPOLINE_IMAGE_UPLOAD"
     value: "false"
 }
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-spanner/.kokoro/build.sh"
+}
+
+# Only run this nox session.
+env_vars: {
+    key: "NOX_SESSION"
+    value: "docs docfx"
+}
diff --git a/.kokoro/samples/python3.6/periodic-head.cfg b/.kokoro/samples/python3.6/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/samples/python3.7/periodic-head.cfg b/.kokoro/samples/python3.7/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/samples/python3.8/periodic-head.cfg b/.kokoro/samples/python3.8/periodic-head.cfg
@@ -0,0 +1,11 @@
+# Format: //devtools/kokoro/config/proto/build.proto
+
+env_vars: {
+    key: "INSTALL_LIBRARY_FROM_SOURCE"
+    value: "True"
+}
+
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/python-pubsub/.kokoro/test-samples-against-head.sh"
+}
diff --git a/.kokoro/test-samples-against-head.sh b/.kokoro/test-samples-against-head.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A customized test runner for samples.
+#
+# For periodic builds, you can specify this file for testing against head.
+
+# `-e` enables the script to automatically fail when a command fails
+# `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
+set -eo pipefail
+# Enables `**` to include files nested inside sub-folders
+shopt -s globstar
+
+cd github/python-spanner
+
+exec .kokoro/test-samples-impl.sh
diff --git a/.kokoro/test-samples-impl.sh b/.kokoro/test-samples-impl.sh
@@ -0,0 +1,102 @@
+#!/bin/bash
+# Copyright 2021 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+# `-e` enables the script to automatically fail when a command fails
+# `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
+set -eo pipefail
+# Enables `**` to include files nested inside sub-folders
+shopt -s globstar
+
+# Exit early if samples directory doesn't exist
+if [ ! -d "./samples" ]; then
+  echo "No tests run. `./samples` not found"
+  exit 0
+fi
+
+# Disable buffering, so that the logs stream through.
+export PYTHONUNBUFFERED=1
+
+# Debug: show build environment
+env | grep KOKORO
+
+# Install nox
+python3.6 -m pip install --upgrade --quiet nox
+
+# Use secrets acessor service account to get secrets
+if [[ -f "${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" ]]; then
+    gcloud auth activate-service-account \
+	   --key-file="${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" \
+	   --project="cloud-devrel-kokoro-resources"
+fi
+
+# This script will create 3 files:
+# - testing/test-env.sh
+# - testing/service-account.json
+# - testing/client-secrets.json
+./scripts/decrypt-secrets.sh
+
+source ./testing/test-env.sh
+export GOOGLE_APPLICATION_CREDENTIALS=$(pwd)/testing/service-account.json
+
+# For cloud-run session, we activate the service account for gcloud sdk.
+gcloud auth activate-service-account \
+       --key-file "${GOOGLE_APPLICATION_CREDENTIALS}"
+
+export GOOGLE_CLIENT_SECRETS=$(pwd)/testing/client-secrets.json
+
+echo -e "\n******************** TESTING PROJECTS ********************"
+
+# Switch to 'fail at end' to allow all tests to complete before exiting.
+set +e
+# Use RTN to return a non-zero value if the test fails.
+RTN=0
+ROOT=$(pwd)
+# Find all requirements.txt in the samples directory (may break on whitespace).
+for file in samples/**/requirements.txt; do
+    cd "$ROOT"
+    # Navigate to the project folder.
+    file=$(dirname "$file")
+    cd "$file"
+
+    echo "------------------------------------------------------------"
+    echo "- testing $file"
+    echo "------------------------------------------------------------"
+
+    # Use nox to execute the tests for the project.
+    python3.6 -m nox -s "$RUN_TESTS_SESSION"
+    EXIT=$?
+
+    # If this is a periodic build, send the test log to the FlakyBot.
+    # See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
+    if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
+      chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
+      $KOKORO_GFILE_DIR/linux_amd64/flakybot
+    fi
+
+    if [[ $EXIT -ne 0 ]]; then
+      RTN=1
+      echo -e "\n Testing failed: Nox returned a non-zero exit code. \n"
+    else
+      echo -e "\n Testing completed.\n"
+    fi
+
+done
+cd "$ROOT"
+
+# Workaround for Kokoro permissions issue: delete secrets
+rm testing/{test-env.sh,client-secrets.json,service-account.json}
+
+exit "$RTN"
diff --git a/.kokoro/test-samples.sh b/.kokoro/test-samples.sh
@@ -13,6 +13,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+# The default test runner for samples.
+#
+# For periodic builds, we rewinds the repo to the latest release, and
+# run test-samples-impl.sh.
 
 # `-e` enables the script to automatically fail when a command fails
 # `-o pipefail` sets the exit code to the rightmost comment to exit with a non-zero
@@ -24,87 +28,19 @@ cd github/python-spanner
 
 # Run periodic samples tests at latest release
 if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
+    # preserving the test runner implementation.
+    cp .kokoro/test-samples-impl.sh "${TMPDIR}/test-samples-impl.sh"
+    echo "--- IMPORTANT IMPORTANT IMPORTANT ---"
+    echo "Now we rewind the repo back to the latest release..."
     LATEST_RELEASE=$(git describe --abbrev=0 --tags)
     git checkout $LATEST_RELEASE
-fi
-
-# Exit early if samples directory doesn't exist
-if [ ! -d "./samples" ]; then
-  echo "No tests run. `./samples` not found"
-  exit 0
-fi
-
-# Disable buffering, so that the logs stream through.
-export PYTHONUNBUFFERED=1
-
-# Debug: show build environment
-env | grep KOKORO
-
-# Install nox
-python3.6 -m pip install --upgrade --quiet nox
-
-# Use secrets acessor service account to get secrets
-if [[ -f "${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" ]]; then
-    gcloud auth activate-service-account \
-	   --key-file="${KOKORO_GFILE_DIR}/secrets_viewer_service_account.json" \
-	   --project="cloud-devrel-kokoro-resources"
-fi
-
-# This script will create 3 files:
-# - testing/test-env.sh
-# - testing/service-account.json
-# - testing/client-secrets.json
-./scripts/decrypt-secrets.sh
-
-source ./testing/test-env.sh
-export GOOGLE_APPLICATION_CREDENTIALS=$(pwd)/testing/service-account.json
-
-# For cloud-run session, we activate the service account for gcloud sdk.
-gcloud auth activate-service-account \
-       --key-file "${GOOGLE_APPLICATION_CREDENTIALS}"
-
-export GOOGLE_CLIENT_SECRETS=$(pwd)/testing/client-secrets.json
-
-echo -e "\n******************** TESTING PROJECTS ********************"
-
-# Switch to 'fail at end' to allow all tests to complete before exiting.
-set +e
-# Use RTN to return a non-zero value if the test fails.
-RTN=0
-ROOT=$(pwd)
-# Find all requirements.txt in the samples directory (may break on whitespace).
-for file in samples/**/requirements.txt; do
-    cd "$ROOT"
-    # Navigate to the project folder.
-    file=$(dirname "$file")
-    cd "$file"
-
-    echo "------------------------------------------------------------"
-    echo "- testing $file"
-    echo "------------------------------------------------------------"
-
-    # Use nox to execute the tests for the project.
-    python3.6 -m nox -s "$RUN_TESTS_SESSION"
-    EXIT=$?
-
-    # If this is a periodic build, send the test log to the FlakyBot.
-    # See https://github.com/googleapis/repo-automation-bots/tree/master/packages/flakybot.
-    if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
-      chmod +x $KOKORO_GFILE_DIR/linux_amd64/flakybot
-      $KOKORO_GFILE_DIR/linux_amd64/flakybot
+    echo "The current head is: "
+    echo $(git rev-parse --verify HEAD)
+    echo "--- IMPORTANT IMPORTANT IMPORTANT ---"
+    # move back the test runner implementation if there's no file.
+    if [ ! -f .kokoro/test-samples-impl.sh ]; then
+	cp "${TMPDIR}/test-samples-impl.sh" .kokoro/test-samples-impl.sh
     fi
+fi
 
-    if [[ $EXIT -ne 0 ]]; then
-      RTN=1
-      echo -e "\n Testing failed: Nox returned a non-zero exit code. \n"
-    else
-      echo -e "\n Testing completed.\n"
-    fi
-
-done
-cd "$ROOT"
-
-# Workaround for Kokoro permissions issue: delete secrets
-rm testing/{test-env.sh,client-secrets.json,service-account.json}
-
-exit "$RTN"
+exec .kokoro/test-samples-impl.sh
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -0,0 +1,17 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.4.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+-   repo: https://github.com/psf/black
+    rev: 19.10b0
+    hooks:
+    - id: black
+-   repo: https://gitlab.com/pycqa/flake8
+    rev: 3.9.0
+    hooks:
+    - id: flake8