build: use trampoline_v2 for python samples and allow custom dockerfi…

…le (#72)

Source-Link: googleapis/synthtool@a7ed11e
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:6e7328583be8edd3ba8f35311c76a1ecbc823010279ccb6ab46b7a76e25eafcc

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

.github/.OwlBot.lock.yaml

@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:87eee22d276554e4e52863ec9b1cb6a7245815dfae20439712bf644348215a5a
+  digest: sha256:6e7328583be8edd3ba8f35311c76a1ecbc823010279ccb6ab46b7a76e25eafcc

.kokoro/samples/lint/common.cfg

@@ -31,4 +31,4 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "python-service-control/.kokoro/trampoline.sh"
+build_file: "python-service-control/.kokoro/trampoline_v2.sh"

.kokoro/samples/python3.6/common.cfg

@@ -37,4 +37,4 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "python-service-control/.kokoro/trampoline.sh"
+build_file: "python-service-control/.kokoro/trampoline_v2.sh"

.kokoro/samples/python3.6/periodic.cfg

@@ -3,4 +3,4 @@
 env_vars: {
     key: "INSTALL_LIBRARY_FROM_SOURCE"
     value: "False"
-}
+}

.kokoro/samples/python3.7/common.cfg

@@ -37,4 +37,4 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "python-service-control/.kokoro/trampoline.sh"
+build_file: "python-service-control/.kokoro/trampoline_v2.sh"

.kokoro/samples/python3.7/periodic.cfg

@@ -3,4 +3,4 @@
 env_vars: {
     key: "INSTALL_LIBRARY_FROM_SOURCE"
     value: "False"
-}
+}

.kokoro/samples/python3.8/common.cfg

@@ -37,4 +37,4 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "python-service-control/.kokoro/trampoline.sh"
+build_file: "python-service-control/.kokoro/trampoline_v2.sh"

.kokoro/samples/python3.8/periodic.cfg

@@ -3,4 +3,4 @@
 env_vars: {
     key: "INSTALL_LIBRARY_FROM_SOURCE"
     value: "False"
-}
+}

.kokoro/samples/python3.9/common.cfg

@@ -37,4 +37,4 @@ gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/python-docs-samples"
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
 # Use the trampoline script to run in docker.
-build_file: "python-service-control/.kokoro/trampoline.sh"
+build_file: "python-service-control/.kokoro/trampoline_v2.sh"

.kokoro/samples/python3.9/periodic.cfg

@@ -3,4 +3,4 @@
 env_vars: {
     key: "INSTALL_LIBRARY_FROM_SOURCE"
     value: "False"
-}
+}

.kokoro/test-samples-against-head.sh

@@ -23,6 +23,4 @@ set -eo pipefail
 # Enables `**` to include files nested inside sub-folders
 shopt -s globstar
 
-cd github/python-service-control
-
 exec .kokoro/test-samples-impl.sh

.kokoro/test-samples.sh

@@ -24,8 +24,6 @@ set -eo pipefail
 # Enables `**` to include files nested inside sub-folders
 shopt -s globstar
 
-cd github/python-service-control
-
 # Run periodic samples tests at latest release
 if [[ $KOKORO_BUILD_ARTIFACTS_SUBDIR = *"periodic"* ]]; then
     # preserving the test runner implementation.

.trampolinerc

@@ -16,15 +16,26 @@
 
 # Add required env vars here.
 required_envvars+=(
-    "STAGING_BUCKET"
-    "V2_STAGING_BUCKET"
 )
 
 # Add env vars which are passed down into the container here.
 pass_down_envvars+=(
+    "NOX_SESSION"
+    ###############
+    # Docs builds
+    ###############
     "STAGING_BUCKET"
     "V2_STAGING_BUCKET"
-    "NOX_SESSION"
+    ##################
+    # Samples builds
+    ##################
+    "INSTALL_LIBRARY_FROM_SOURCE"
+    "RUN_TESTS_SESSION"
+    "BUILD_SPECIFIC_GCLOUD_PROJECT"
+    # Target directories.
+    "RUN_TESTS_DIRS"
+    # The nox session to run.
+    "RUN_TESTS_SESSION"
 )
 
 # Prevent unintentional override on the default image.