Fix Node Kokoro tests (#768)

* Small change to trigger Kokoro

* Move configs a directory down + remove type entry

* Use user images

* Flatten build files

* Remove cloud tasks configs

* Add missing config to node6/node8

* Update datastore deps

* Update pub/sub deps

Author: Ace Nassri

.kokoro/appengine/analytics.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/analytics"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/building-an-app-build.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/building-an-app/build"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/building-an-app-update.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/building-an-app/update"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/cloudsql.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/cloudsql"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/cloudsql_postgresql.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/cloudsql_postgresql"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/datastore.cfg

@@ -1,9 +1,22 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
+# Download trampoline resources. These will be in ${KOKORO_GFILE_DIR}
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
+
+# Download secrets from Cloud Storage.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/nodejs-docs-samples"
+
+# All builds use the trampoline script to run in docker.
+build_file: "nodejs-docs-samples/.kokoro/trampoline.sh"
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}
+
 # Configure the docker image for kokoro-trampoline.
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
-    value: "gcr.io/cloud-devrel-kokoro-resources/node:10"
+    value: "gcr.io/cloud-devrel-kokoro-resources/node:10-user"
 }
-
-type: PRESUBMIT_GITHUB

.kokoro/appengine/endpoints.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/datastore"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}

.kokoro/appengine/errorreporting.cfg

@@ -1,3 +1,13 @@
 # Format: //devtools/kokoro/config/proto/build.proto
 
-type: PRESUBMIT_GITHUB
+# Set the folder in which the tests are run
+env_vars: {
+    key: "PROJECT"
+    value: "appengine/endpoints"
+}
+
+# Tell the trampoline which build file to use.
+env_vars: {
+    key: "TRAMPOLINE_BUILD_FILE"
+    value: "github/nodejs-docs-samples/.kokoro/build.sh"
+}