Run greengrass discovery in ci (#469)

Run Greengrass Basic Discovery in CI, increasing test coverage.

Author: TwistedTwigleg

.github/workflows/ci.yml

@@ -28,6 +28,7 @@ env:
   CI_SHADOW_ROLE: arn:aws:iam::180635532705:role/CI_Shadow_Role
   CI_JOBS_ROLE: arn:aws:iam::180635532705:role/CI_Jobs_Role
   CI_FLEET_PROVISIONING_ROLE: arn:aws:iam::180635532705:role/service-role/CI_FleetProvisioning_Role
+  CI_GREENGRASS_ROLE: arn:aws:iam::180635532705:role/CI_Greengrass_Role
   CI_DEVICE_ADVISOR: arn:aws:iam::180635532705:role/CI_DeviceAdvisor_Role
   CI_MQTT5_ROLE: arn:aws:iam::180635532705:role/CI_MQTT5_Role
   CI_BUILD_AND_TEST_ROLE: arn:aws:iam::180635532705:role/V2_SDK_Unit_Testing
@@ -297,6 +298,14 @@ jobs:
           Sample_UUID=$(python3  -c "import uuid; print (uuid.uuid4())")
           python3 ${{ env.CI_UTILS_FOLDER }}/run_sample_ci.py --file ${{ env.CI_SAMPLES_CFG_FOLDER }}/ci_run_fleet_provisioning_cfg.json --input_uuid ${Sample_UUID}
           python3 ${{ env.CI_UTILS_FOLDER }}/delete_iot_thing_ci.py --thing_name "Fleet_Thing_${Sample_UUID}" --region "us-east-1"
+      - name: configure AWS credentials (Greengrass)
+        uses: aws-actions/configure-aws-credentials@v1
+        with:
+          role-to-assume: ${{ env.CI_GREENGRASS_ROLE }}
+          aws-region: ${{ env.AWS_DEFAULT_REGION }}
+      - name: run Greengrass Discovery sample
+        run: |
+          python3 ${{ env.CI_UTILS_FOLDER }}/run_sample_ci.py --file ${{ env.CI_SAMPLES_CFG_FOLDER }}/ci_run_greengrass_discovery_cfg.json
 
   # check that docs can still build
   check-docs:

.github/workflows/ci_run_greengrass_discovery_cfg.json

@@ -0,0 +1,39 @@
+{
+    "language": "Python",
+    "sample_file": "./aws-iot-device-sdk-python-v2/samples/basic_discovery.py",
+    "sample_region": "us-east-1",
+    "sample_main_class": "",
+    "arguments": [
+        {
+            "name": "--cert",
+            "secret": "ci/Greengrass/cert",
+            "filename": "tmp_certificate.pem"
+        },
+        {
+            "name": "--key",
+            "secret": "ci/Greengrass/key",
+            "filename": "tmp_key.pem"
+        },
+        {
+            "name": "--ca_file",
+            "secret": "ci/Greengrass/ca",
+            "filename": "tmp_ca.pem"
+        },
+        {
+            "name": "--region",
+            "data": "us-east-1"
+        },
+        {
+            "name": "--thing_name",
+            "data": "CI_GreenGrass_Thing"
+        },
+        {
+            "name": "--is_ci",
+            "data": "true"
+        },
+        {
+            "name": "--print_discover_resp_only",
+            "data": ""
+        }
+    ]
+}

samples/basic_discovery.py

@@ -37,7 +37,11 @@
 resp_future = discovery_client.discover(cmdData.input_thing_name)
 discover_response = resp_future.result()
 
-print(discover_response)
+if (cmdData.input_is_ci):
+    print("Received a greengrass discovery result! Not showing result in CI for possible data sensitivity.")
+else:
+    print(discover_response)
+
 if (cmdData.input_print_discovery_resp_only):
     exit(0)
 

utils/run_sample_ci.py

@@ -83,7 +83,8 @@ def setup_json_arguments_list(parsed_commands):
                 if isinstance(tmp_value, str) and 'input_uuid' in parsed_commands:
                     if ("$INPUT_UUID" in tmp_value):
                         tmp_value = tmp_value.replace("$INPUT_UUID", parsed_commands.input_uuid)
-                config_json_arguments_list.append(tmp_value)
+                if (tmp_value != None and tmp_value != ""):
+                    config_json_arguments_list.append(tmp_value)
 
             # None of the above? Just print an error
             else: