ci(mqtt): use QoS=1 for control messages in SSL test

SSL test relies on the device receiving a control message during the test, which was being sent
with QoS=0. Send the control message with QoS=1 to avoid failures due to poor network connection.

examples/protocols/mqtt/ssl/main/app_main.c

@@ -46,7 +46,7 @@ static void send_binary(esp_mqtt_client_handle_t client)
     esp_partition_mmap(partition, 0, partition->size, ESP_PARTITION_MMAP_DATA, &binary_address, &out_handle);
     // sending only the configured portion of the partition (if it's less than the partition size)
     int binary_size = MIN(CONFIG_BROKER_BIN_SIZE_TO_SEND, partition->size);
-    int msg_id = esp_mqtt_client_publish(client, "/topic/binary", binary_address, binary_size, 0, 0);
+    int msg_id = esp_mqtt_client_publish(client, "/topic/binary", binary_address, binary_size, 1, 0);
     ESP_LOGI(TAG, "binary sent with msg_id=%d", msg_id);
 }
 
@@ -69,6 +69,8 @@ static void mqtt_event_handler(void *handler_args, esp_event_base_t base, int32_
     switch ((esp_mqtt_event_id_t)event_id) {
     case MQTT_EVENT_CONNECTED:
         ESP_LOGI(TAG, "MQTT_EVENT_CONNECTED");
+        esp_mqtt_client_subscribe(client, "/topic/binary", 1);
+
         msg_id = esp_mqtt_client_subscribe(client, "/topic/qos0", 0);
         ESP_LOGI(TAG, "sent subscribe successful, msg_id=%d", msg_id);
 
@@ -126,7 +128,8 @@ static void mqtt_app_start(void)
     const esp_mqtt_client_config_t mqtt_cfg = {
         .broker = {
             .address.uri = CONFIG_BROKER_URI,
-            .verification.certificate = (const char *)mqtt_eclipseprojects_io_pem_start
+            .verification.certificate = (const char *)mqtt_eclipseprojects_io_pem_start,
+            .verification.skip_cert_common_name_check = true
         },
     };
 

examples/protocols/mqtt/ssl/pytest_mqtt_ssl.py

@@ -15,6 +15,7 @@ from pytest_embedded import Dut
 
 event_client_connected = Event()
 event_stop_client = Event()
+event_client_connected_to_topic_binary = Event()
 event_client_received_correct = Event()
 event_client_received_binary = Event()
 message_log = ''
@@ -36,14 +37,15 @@ def mqtt_client_task(client):  # type: (mqtt.Client) -> None
 # The callback for when a PUBLISH message is received from the server.
 def on_message(client, userdata, msg):  # type: (mqtt.Client, tuple, mqtt.client.MQTTMessage) -> None
     global message_log
+    global event_client_connected_to_topic_binary
     global event_client_received_correct
     global event_client_received_binary
     if msg.topic == '/topic/binary':
         binary, bin_size = userdata
         print('Receiving binary from esp and comparing with {}, size {}...'.format(binary, bin_size))
         with open(binary, 'rb') as f:
-            bin = f.read()
-            if bin[:bin_size] == msg.payload[:bin_size]:
+            binary_reference = f.read()
+            if binary_reference[:bin_size] == msg.payload[:bin_size]:
                 print('...matches!')
                 event_client_received_binary.set()
                 return
@@ -53,9 +55,13 @@ def on_message(client, userdata, msg):  # type: (mqtt.Client, tuple, mqtt.client
             raise ValueError('Received binary (saved as: {}) does not match the original file: {}'.format(recv_binary, binary))
 
     payload = msg.payload.decode()
-    if not event_client_received_correct.is_set() and payload == 'data':
-        client.subscribe('/topic/binary')
-        client.publish('/topic/qos0', 'send binary please')
+    if (
+        event_client_connected_to_topic_binary.is_set()
+        and not event_client_received_correct.is_set()
+        and payload == 'data'
+    ):
+        client.publish('/topic/binary', 'send binary please', qos=1)
+        client.subscribe('/topic/binary', qos=1)
         if msg.topic == '/topic/qos0' and payload == 'data':
             event_client_received_correct.set()
     message_log += 'Received data:' + msg.topic + ' ' + payload + '\n'
@@ -117,6 +123,19 @@ def test_examples_protocol_mqtt_ssl(dut):  # type: (Dut) -> None
         except pexpect.TIMEOUT:
             print('ENV_TEST_FAILURE: Cannot connect to AP')
             raise
+        try:
+            dut.expect(r'MQTT_EVENT_CONNECTED', timeout=120)
+            # SSL example subscribes to topics /topic/binary, /topic/qos0, and /topic/qos1
+            # We do not want to introduce any logs related to /topic/binary, so we will
+            # wait for all three MQTT_EVENT_SUBSCRIBED to be processed
+            for i in range(3):
+                dut.expect(r'MQTT_EVENT_SUBSCRIBED, msg_id=(\d+)')
+
+            event_client_connected_to_topic_binary.set()
+
+        except pexpect.TIMEOUT:
+            print('ENV_TEST_FAILURE: Client cannot connect to the broker {}:{}.'.format(broker_url, broker_port))
+            raise
         print('Checking py-client received msg published from esp...')
         if not event_client_received_correct.wait(timeout=30):
             raise ValueError('Wrong data received, msg log: {}'.format(message_log))