Merge pull request #2420 from PradeepKiruvale/qos0

use qos 0 when publishing to c8y/s/uat to request a Cumulocity IoT token

Author: reubenmiller

crates/core/c8y_api/src/http_proxy.rs

@@ -132,10 +132,10 @@ impl C8yMqttJwtTokenRetriever {
         for _ in 0..3 {
             mqtt_con
                 .published
-                .publish(mqtt_channel::Message::new(
-                    &Topic::new_unchecked("c8y/s/uat"),
-                    "".to_string(),
-                ))
+                .publish(
+                    mqtt_channel::Message::new(&Topic::new_unchecked("c8y/s/uat"), "".to_string())
+                        .with_qos(mqtt_channel::QoS::AtMostOnce),
+                )
                 .await?;
             info!("JWT token requested");
 

crates/core/tedge/src/cli/connect/bridge_config_c8y.rs

@@ -59,8 +59,8 @@ impl From<BridgeConfigC8yParams> for BridgeConfig {
             r#"alarm/alarms/create out 2 c8y/ """#.into(),
             r#"error in 2 c8y/ """#.into(),
             // c8y JWT token retrieval
-            r#"s/uat out 2 c8y/ """#.into(),
-            r#"s/dat in 2 c8y/ """#.into(),
+            r#"s/uat out 0 c8y/ """#.into(),
+            r#"s/dat in 0 c8y/ """#.into(),
         ];
 
         let templates_set = smartrest_templates
@@ -199,8 +199,8 @@ fn test_bridge_config_from_c8y_params() -> anyhow::Result<()> {
             r#"alarm/alarms/create out 2 c8y/ """#.into(),
             r#"error in 2 c8y/ """#.into(),
             // c8y JWT token retrieval
-            r#"s/uat out 2 c8y/ """#.into(),
-            r#"s/dat in 2 c8y/ """#.into(),
+            r#"s/uat out 0 c8y/ """#.into(),
+            r#"s/dat in 0 c8y/ """#.into(),
             // Smartrest templates should be deserialized as:
             // s/uc/template-1 (in from localhost), s/uc/template-1
             // s/dc/template-1 (out to localhost), s/dc/template-1

crates/core/tedge/src/cli/connect/command.rs

@@ -259,7 +259,12 @@ fn check_device_status_c8y(tedge_config: &TEdgeConfig) -> Result<DeviceStatus, C
         match event {
             Ok(Event::Incoming(Packet::SubAck(_))) => {
                 // We are ready to get the response, hence send the request
-                client.publish(C8Y_TOPIC_BUILTIN_JWT_TOKEN_UPSTREAM, AtLeastOnce, false, "")?;
+                client.publish(
+                    C8Y_TOPIC_BUILTIN_JWT_TOKEN_UPSTREAM,
+                    rumqttc::QoS::AtMostOnce,
+                    false,
+                    "",
+                )?;
             }
             Ok(Event::Incoming(Packet::PubAck(_))) => {
                 // The request has been sent

crates/core/tedge/src/cli/connect/jwt_token.rs

@@ -33,7 +33,12 @@ pub(crate) fn get_connected_c8y_url(tedge_config: &TEdgeConfig) -> Result<String
         match event {
             Ok(Event::Incoming(Packet::SubAck(_))) => {
                 // We are ready to get the response, hence send the request
-                client.publish(C8Y_TOPIC_BUILTIN_JWT_TOKEN_UPSTREAM, AtLeastOnce, false, "")?;
+                client.publish(
+                    C8Y_TOPIC_BUILTIN_JWT_TOKEN_UPSTREAM,
+                    rumqttc::QoS::AtMostOnce,
+                    false,
+                    "",
+                )?;
             }
             Ok(Event::Incoming(Packet::PubAck(_))) => {
                 // The request has been sent