Test: add E2E test for Python Agent (#4770)

.github/workflows/e2e.python.yaml

@@ -0,0 +1,50 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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
+#
+#     http://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.
+
+name: E2E
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+    tags:
+      - 'v*'
+
+env:
+  SKIP_TEST: true
+  SW_AGENT_JDK_VERSION: 8
+
+jobs:
+  PythonAgent:
+    name: PythonAgent
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: Compile and Build
+        run: make docker
+      - name: Copy dist package
+        run: cp -R dist test/e2e/
+      - name: Python Agent
+        run: ./mvnw --batch-mode -f test/e2e/pom.xml -am -DfailIfNoTests=false verify -Dit.test=org.apache.skywalking.e2e.PythonE2E
+      - uses: actions/upload-artifact@v1
+        if: failure()
+        with:
+          name: logs
+          path: logs

test/e2e/e2e-data/src/main/java/org/apache/skywalking/e2e/service/instance/Instances.java

@@ -18,10 +18,11 @@
 
 package org.apache.skywalking.e2e.service.instance;
 
+import java.util.ArrayList;
 import java.util.List;
 import lombok.Data;
 
 @Data
 public class Instances {
-    private List<Instance> instances;
+    private List<Instance> instances = new ArrayList<>();
 }

test/e2e/e2e-test/docker/python/Dockerfile.python

@@ -0,0 +1,29 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+FROM python:3.7
+
+ENV COMMIT_HASH=445d64c162555a3ff92b98e8ccec3cdc1a66876d
+
+WORKDIR /app
+
+RUN git clone https://github.com/apache/skywalking-python.git --depth=1 $(pwd)
+
+RUN git reset --hard ${COMMIT_HASH} && git submodule update --init
+
+RUN make setup install
+
+ADD ./consumer.py /consumer.py
+ADD ./provider.py /provider.py

test/e2e/e2e-test/docker/python/consumer.py

@@ -0,0 +1,49 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+#
+
+import urllib.parse
+from urllib import request
+
+from skywalking import agent, config
+
+if __name__ == '__main__':
+    config.service_name = 'consumer'
+    config.logging_level = 'DEBUG'
+    agent.start()
+
+    import socketserver
+    from http.server import BaseHTTPRequestHandler
+
+    class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+        def do_POST(self):
+            self.send_response(200)
+            self.send_header('Content-Type', 'application/json; charset=utf-8')
+            self.end_headers()
+
+            data = '{"name": "whatever"}'.encode('utf8')
+            req = request.Request('http://medium:9092/users')
+            req.add_header('Content-Type', 'application/json; charset=utf-8')
+            req.add_header('Content-Length', str(len(data)))
+            with request.urlopen(req, data):
+                self.wfile.write(data)
+
+    PORT = 9090
+    Handler = SimpleHTTPRequestHandler
+
+    with socketserver.TCPServer(("", PORT), Handler) as httpd:
+        print("serving at port", PORT)
+        httpd.serve_forever()

test/e2e/e2e-test/docker/python/docker-compose.yml

@@ -0,0 +1,90 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+version: '2.1'
+
+services:
+  oap:
+    extends:
+      file: ../base-compose.yml
+      service: oap
+
+  ui:
+    extends:
+      file: ../base-compose.yml
+      service: ui
+    depends_on:
+      oap:
+        condition: service_healthy
+
+  provider:
+    build:
+      context: .
+      dockerfile: Dockerfile.python
+    networks:
+      - e2e
+    expose:
+      - 9091
+    environment:
+      SW_AGENT_COLLECTOR_BACKEND_SERVICES: oap:11800
+      SW_AGENT_INSTANCE: provider-instance
+    depends_on:
+      oap:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "bash", "-c", "cat < /dev/null > /dev/tcp/127.0.0.1/9091"]
+      interval: 5s
+      timeout: 60s
+      retries: 120
+    entrypoint: ['python3', '/provider.py']
+
+  medium:
+    extends:
+      file: ../base-compose.yml
+      service: consumer
+    environment:
+      PROVIDER_URL: http://provider:9091
+    depends_on:
+      oap:
+        condition: service_healthy
+      provider:
+        condition: service_healthy
+
+  consumer:
+    build:
+      context: .
+      dockerfile: Dockerfile.python
+    networks:
+      - e2e
+    expose:
+      - 9090
+    environment:
+      SW_AGENT_COLLECTOR_BACKEND_SERVICES: oap:11800
+      PROVIDER_URL: http://medium:9092/users
+      SW_AGENT_INSTANCE: consumer-instance
+    depends_on:
+      oap:
+        condition: service_healthy
+      medium:
+        condition: service_healthy
+    healthcheck:
+      test: ["CMD", "bash", "-c", "cat < /dev/null > /dev/tcp/127.0.0.1/9090"]
+      interval: 5s
+      timeout: 60s
+      retries: 120
+    entrypoint: ['python3', '/consumer.py']
+
+networks:
+  e2e:

test/e2e/e2e-test/docker/python/provider.py

@@ -0,0 +1,45 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+#
+
+from urllib import request
+
+from skywalking import agent, config
+
+if __name__ == '__main__':
+    config.service_name = 'provider'
+    config.logging_level = 'DEBUG'
+    agent.start()
+
+    import socketserver
+    from http.server import BaseHTTPRequestHandler
+
+    class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+
+        def do_POST(self):
+            self.send_response(200)
+            self.send_header('Content-Type', 'application/json')
+            self.end_headers()
+            req = request.Request('https://github.com/kezhenxu94')
+            with request.urlopen(req):
+                self.wfile.write('{"name": "whatever"}'.encode('ascii'))
+
+    PORT = 9091
+    Handler = SimpleHTTPRequestHandler
+
+    with socketserver.TCPServer(("", PORT), Handler) as httpd:
+        print("serving at port", PORT)
+        httpd.serve_forever()

test/e2e/e2e-test/src/test/java/org/apache/skywalking/e2e/PythonE2E.java

@@ -0,0 +1,276 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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
+ *
+ *     http://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.
+ *
+ */
+
+package org.apache.skywalking.e2e;
+
+import java.util.List;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.skywalking.e2e.annotation.ContainerHostAndPort;
+import org.apache.skywalking.e2e.annotation.DockerCompose;
+import org.apache.skywalking.e2e.base.SkyWalkingE2E;
+import org.apache.skywalking.e2e.base.SkyWalkingTestAdapter;
+import org.apache.skywalking.e2e.common.HostAndPort;
+import org.apache.skywalking.e2e.metrics.AtLeastOneOfMetricsMatcher;
+import org.apache.skywalking.e2e.metrics.Metrics;
+import org.apache.skywalking.e2e.metrics.MetricsQuery;
+import org.apache.skywalking.e2e.metrics.MetricsValueMatcher;
+import org.apache.skywalking.e2e.retryable.RetryableTest;
+import org.apache.skywalking.e2e.service.Service;
+import org.apache.skywalking.e2e.service.ServicesMatcher;
+import org.apache.skywalking.e2e.service.ServicesQuery;
+import org.apache.skywalking.e2e.service.endpoint.Endpoint;
+import org.apache.skywalking.e2e.service.endpoint.EndpointQuery;
+import org.apache.skywalking.e2e.service.endpoint.Endpoints;
+import org.apache.skywalking.e2e.service.endpoint.EndpointsMatcher;
+import org.apache.skywalking.e2e.service.instance.Instance;
+import org.apache.skywalking.e2e.service.instance.Instances;
+import org.apache.skywalking.e2e.service.instance.InstancesMatcher;
+import org.apache.skywalking.e2e.service.instance.InstancesQuery;
+import org.apache.skywalking.e2e.topo.Call;
+import org.apache.skywalking.e2e.topo.ServiceInstanceTopology;
+import org.apache.skywalking.e2e.topo.ServiceInstanceTopologyMatcher;
+import org.apache.skywalking.e2e.topo.ServiceInstanceTopologyQuery;
+import org.apache.skywalking.e2e.topo.TopoMatcher;
+import org.apache.skywalking.e2e.topo.TopoQuery;
+import org.apache.skywalking.e2e.topo.Topology;
+import org.apache.skywalking.e2e.trace.Trace;
+import org.apache.skywalking.e2e.trace.TracesMatcher;
+import org.apache.skywalking.e2e.trace.TracesQuery;
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.testcontainers.containers.DockerComposeContainer;
+
+import static org.apache.skywalking.e2e.metrics.MetricsMatcher.verifyMetrics;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_ENDPOINT_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_INSTANCE_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_SERVICE_INSTANCE_RELATION_CLIENT_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_SERVICE_INSTANCE_RELATION_SERVER_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_SERVICE_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_SERVICE_RELATION_CLIENT_METRICS;
+import static org.apache.skywalking.e2e.metrics.MetricsQuery.ALL_SERVICE_RELATION_SERVER_METRICS;
+import static org.apache.skywalking.e2e.utils.Times.now;
+import static org.apache.skywalking.e2e.utils.Yamls.load;
+
+@Slf4j
+@SkyWalkingE2E
+public class PythonE2E extends SkyWalkingTestAdapter {
+    @SuppressWarnings("unused")
+    @DockerCompose("docker/python/docker-compose.yml")
+    private DockerComposeContainer<?> justForSideEffects;
+
+    @SuppressWarnings("unused")
+    @ContainerHostAndPort(name = "ui", port = 8080)
+    private HostAndPort swWebappHostPort;
+
+    @SuppressWarnings("unused")
+    @ContainerHostAndPort(name = "consumer", port = 9090)
+    private HostAndPort pythonHostPort;
+
+    @BeforeAll
+    public void setUp() throws Exception {
+        queryClient(swWebappHostPort);
+
+        trafficController(pythonHostPort, "/test");
+    }
+
+    @AfterAll
+    public void tearDown() {
+        trafficController.stop();
+    }
+
+    @RetryableTest
+    void services() throws Exception {
+        final List<Service> services = graphql.services(new ServicesQuery().start(startTime).end(now()));
+
+        LOGGER.info("services: {}", services);
+
+        load("expected/python/services.yml").as(ServicesMatcher.class).verify(services);
+
+        for (Service service : services) {
+            if ("Your_ApplicationName".equals(service.getLabel())) {
+                continue;
+            }
+            LOGGER.info("verifying service instances: {}", service);
+
+            verifyServiceMetrics(service);
+
+            final Instances instances = verifyServiceInstances(service);
+
+            verifyInstancesMetrics(instances);
+
+            final Endpoints endpoints = verifyServiceEndpoints(service);
+
+            verifyEndpointsMetrics(endpoints);
+        }
+    }
+
+    @RetryableTest
+    void traces() throws Exception {
+        final List<Trace> traces = graphql.traces(new TracesQuery().start(startTime).end(now()).orderByStartTime());
+
+        LOGGER.info("traces: {}", traces);
+
+        load("expected/python/traces.yml").as(TracesMatcher.class).verifyLoosely(traces);
+    }
+
+    @RetryableTest
+    void topology() throws Exception {
+        final Topology topology = graphql.topo(new TopoQuery().stepByMinute().start(startTime.minusDays(1)).end(now()));
+
+        LOGGER.info("topology: {}", topology);
+
+        load("expected/python/topo.yml").as(TopoMatcher.class).verify(topology);
+
+        verifyServiceRelationMetrics(topology.getCalls());
+    }
+
+    @RetryableTest
+    void serviceInstances() throws Exception {
+
+        final ServiceInstanceTopology topology = graphql.serviceInstanceTopo(
+            new ServiceInstanceTopologyQuery().stepByMinute()
+                                              .start(startTime.minusDays(1))
+                                              .end(now())
+                                              .clientServiceId("Y29uc3VtZXI=.1")
+                                              .serverServiceId("WW91cl9BcHBsaWNhdGlvbk5hbWU=.1"));
+
+        LOGGER.info("topology: {}", topology);
+
+        load("expected/python/consumer-instance-topo.yml").as(ServiceInstanceTopologyMatcher.class).verify(topology);
+
+        verifyServiceInstanceRelationMetrics(topology.getCalls());
+    }
+
+    private Instances verifyServiceInstances(final Service service) throws Exception {
+        final Instances instances = graphql.instances(
+                new InstancesQuery().serviceId(service.getKey()).start(startTime).end(now())
+        );
+
+        LOGGER.info("instances: {} {}", service.getLabel(), instances);
+
+        load(String.format("expected/python/%s-instances.yml", service.getLabel()))
+            .as(InstancesMatcher.class)
+            .verify(instances);
+
+        return instances;
+    }
+
+    private Endpoints verifyServiceEndpoints(final Service service) throws Exception {
+        final Endpoints endpoints = graphql.endpoints(new EndpointQuery().serviceId(service.getKey()));
+
+        LOGGER.info("endpoints: {} {}", service.getLabel(), endpoints);
+
+        load(String.format("expected/python/%s-endpoints.yml", service.getLabel()))
+            .as(EndpointsMatcher.class)
+            .verify(endpoints);
+
+        return endpoints;
+    }
+
+    private void verifyInstancesMetrics(Instances instances) throws Exception {
+        for (Instance instance : instances.getInstances()) {
+            for (String metricsName : ALL_INSTANCE_METRICS) {
+                LOGGER.info("verifying service instance response time: {}", instance);
+                final Metrics instanceMetrics = graphql.metrics(
+                    new MetricsQuery().stepByMinute().metricsName(metricsName).id(instance.getKey())
+                );
+
+                LOGGER.info("instance metrics: {}", instanceMetrics);
+
+                final AtLeastOneOfMetricsMatcher instanceRespTimeMatcher = new AtLeastOneOfMetricsMatcher();
+                final MetricsValueMatcher greaterThanZero = new MetricsValueMatcher();
+                greaterThanZero.setValue("gt 0");
+                instanceRespTimeMatcher.setValue(greaterThanZero);
+                instanceRespTimeMatcher.verify(instanceMetrics);
+                LOGGER.info("{}: {}", metricsName, instanceMetrics);
+            }
+        }
+    }
+
+    private void verifyEndpointsMetrics(Endpoints endpoints) throws Exception {
+        for (Endpoint endpoint : endpoints.getEndpoints()) {
+            for (final String metricName : ALL_ENDPOINT_METRICS) {
+                LOGGER.info("verifying endpoint {}: {}", endpoint, metricName);
+
+                final Metrics metrics = graphql.metrics(
+                    new MetricsQuery().stepByMinute().metricsName(metricName).id(endpoint.getKey())
+                );
+
+                LOGGER.info("metrics: {}", metrics);
+
+                final AtLeastOneOfMetricsMatcher instanceRespTimeMatcher = new AtLeastOneOfMetricsMatcher();
+                final MetricsValueMatcher greaterThanZero = new MetricsValueMatcher();
+                greaterThanZero.setValue("gt 0");
+                instanceRespTimeMatcher.setValue(greaterThanZero);
+                instanceRespTimeMatcher.verify(metrics);
+
+                LOGGER.info("{}: {}", metricName, metrics);
+            }
+        }
+    }
+
+    private void verifyServiceMetrics(final Service service) throws Exception {
+        for (String metricName : ALL_SERVICE_METRICS) {
+            LOGGER.info("verifying service {}, metrics: {}", service, metricName);
+            final Metrics serviceMetrics = graphql.metrics(
+                new MetricsQuery().stepByMinute().metricsName(metricName).id(service.getKey())
+            );
+            LOGGER.info("serviceMetrics: {}", serviceMetrics);
+            final AtLeastOneOfMetricsMatcher instanceRespTimeMatcher = new AtLeastOneOfMetricsMatcher();
+            final MetricsValueMatcher greaterThanZero = new MetricsValueMatcher();
+            greaterThanZero.setValue("gt 0");
+            instanceRespTimeMatcher.setValue(greaterThanZero);
+            instanceRespTimeMatcher.verify(serviceMetrics);
+            LOGGER.info("{}: {}", metricName, serviceMetrics);
+        }
+    }
+
+    private void verifyServiceInstanceRelationMetrics(final List<Call> calls) throws Exception {
+        verifyRelationMetrics(
+            calls, ALL_SERVICE_INSTANCE_RELATION_CLIENT_METRICS,
+            ALL_SERVICE_INSTANCE_RELATION_SERVER_METRICS
+        );
+    }
+
+    private void verifyServiceRelationMetrics(final List<Call> calls) throws Exception {
+        verifyRelationMetrics(calls, ALL_SERVICE_RELATION_CLIENT_METRICS, ALL_SERVICE_RELATION_SERVER_METRICS);
+    }
+
+    private void verifyRelationMetrics(final List<Call> calls,
+                                       final String[] relationClientMetrics,
+                                       final String[] relationServerMetrics) throws Exception {
+        for (Call call : calls) {
+            for (String detectPoint : call.getDetectPoints()) {
+                switch (detectPoint) {
+                    case "CLIENT": {
+                        for (String metricName : relationClientMetrics) {
+                            verifyMetrics(graphql, metricName, call.getId(), startTime);
+                        }
+                        break;
+                    }
+                    case "SERVER": {
+                        for (String metricName : relationServerMetrics) {
+                            verifyMetrics(graphql, metricName, call.getId(), startTime);
+                        }
+                        break;
+                    }
+                }
+            }
+        }
+    }
+}

test/e2e/e2e-test/src/test/resources/expected/python/consumer-endpoints.yml

@@ -0,0 +1,21 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+endpoints:
+  - key: not null
+    label: /test
+
+
+

test/e2e/e2e-test/src/test/resources/expected/python/consumer-instance-topo.yml

@@ -0,0 +1,33 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+nodes:
+  - id: not null
+    name: consumer-instance
+    serviceId: not null
+    serviceName: consumer
+    isReal: true
+  - id: not null
+    name: not null
+    serviceId: not null
+    serviceName: Your_ApplicationName
+    isReal: true
+calls:
+  - id: not null
+    source: Y29uc3VtZXI=.1_Y29uc3VtZXItaW5zdGFuY2U=
+    detectPoints:
+      - CLIENT
+      - SERVER
+    target: not null

test/e2e/e2e-test/src/test/resources/expected/python/consumer-instances.yml

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+instances:
+  - key: not null
+    label: not null

test/e2e/e2e-test/src/test/resources/expected/python/provider-endpoints.yml

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+endpoints:
+  - key: not null
+    label: /users

test/e2e/e2e-test/src/test/resources/expected/python/provider-instances.yml

@@ -0,0 +1,18 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+instances:
+  - key: not null
+    label: not null

test/e2e/e2e-test/src/test/resources/expected/python/services.yml

@@ -0,0 +1,22 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+services:
+  - key: not null
+    label: provider
+  - key: not null
+    label: consumer
+  - key: not null
+    label: Your_ApplicationName

test/e2e/e2e-test/src/test/resources/expected/python/topo.yml

@@ -0,0 +1,59 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+nodes:
+  - id: not null
+    name: User
+    type: USER
+    isReal: false
+  - id: not null
+    name: consumer
+    type: Python
+    isReal: true
+  - id: not null
+    name: provider
+    type: Python
+    isReal: true
+  - id: not null
+    name: Your_ApplicationName
+    type: Tomcat
+    isReal: true
+  - id: not null
+    name: github.com
+    type: Unknown
+    isReal: false
+calls:
+  - id: not null
+    source: ${User[0]}
+    detectPoints:
+      - SERVER
+    target: ${consumer[0]}
+  - id: not null
+    source: ${consumer[0]}
+    detectPoints:
+      - CLIENT
+      - SERVER
+    target: ${Your_ApplicationName[0]}
+  - id: not null
+    source: ${Your_ApplicationName[0]}
+    detectPoints:
+      - CLIENT
+      - SERVER
+    target: ${provider[0]}
+  - id: not null
+    source: ${provider[0]}
+    detectPoints:
+      - CLIENT
+    target: ${github.com[0]}

test/e2e/e2e-test/src/test/resources/expected/python/traces.yml

@@ -0,0 +1,32 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You 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
+#
+#     http://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.
+
+traces:
+  - key: not null
+    endpointNames:
+      - /users
+    duration: ge 0
+    start: gt 0
+    isError: false
+    traceIds:
+      - not null
+  - key: not null
+    endpointNames:
+      - /test
+    duration: ge 0
+    start: gt 0
+    isError: false
+    traceIds:
+      - not null