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  4. Deploy an App with TCP using the Application Manager API

Deploy an App with TCP using the Application Manager API

To configure protocols other than HTTP or HTTPS, first set up TCP inbound firewall rules to allow TCP traffic for your private space. You can then use the Application Manager API to deploy an app using TCP. TCP inbound firewall rules do not support custom endpoints.

To configure firewall rules using TCP, follow the steps in Configure Firewall Rules and select TCP.

Before You Begin

Configure the following network-level rules for the firewall in your private space:

  • An ingress rule: Allow TCP on the port range 30500-32500.

  • An egress rule: Allow HTTP/HTTPS to Any Destination.
    If you must restrict outbound traffic, configure Allow TCP to Any Destination on the port <application-port> as a rule.

Find Available Ports for Your App

The port range for TCP is between 30500 to 32500. To confirm port availability, use the CloudHub 2.0 API that returns a list of available ports.

The following examples show the API request and response when you use it to find available ports:

Request:

GET
https:/anypoint.mulesoft.com/runtimefabric/api/organizations/{organizationId}/privatespaces/{privatespaceId}/ports?available=true&count=10

In the request, the available parameter enables you to alternate between used and unused ports. The count parameter lets you specify the number of ports, between 1 and 10. The actual availability of ports limits the end result.

Response:

{
   "ports": [
       30500,
       30501,
       30502,
       30503,
       30504,
       30511,
       30512,
       30513,
       30514,
       30515
   ]
}

Deploy an App Using the Application Manager API

In the Application Manager API, use the tcp section under deploymentSettings to map your TCP port and deploy your app. The mapping uses the external port to expose portNumber and the app level-defined port applicationPortNumber. You can configure up to 10 ports per application.

The following example shows the request to deploy a new app using a TCP port mapping:

POST https://anypoint.mulesoft.com/amc/application-manager/api/v2/organizations/{organizationId}/environments/{environmentId}/deployments

{
 "name": "logs-app-uc01",
 "labels": [
   "beta"
 ],
 "target": {
   "provider": "MC",
   "targetId": "cfe2157f-438b-4fb8-81fe-13ec89c55545",
   "deploymentSettings": {
     "clustered": false,
     "enforceDeployingReplicasAcrossNodes": false,
//------------------------------------NEW-------------------------------------
     "tcp": {
         "inbound": {
           "ports": [
             {
               "portNumber": 30500,
               "applicationPortNumber": 9000
             },
             {
               "portNumber": 30501,
               "applicationPortNumber": 9001
             },
             {
               "portNumber": 30502,
               "applicationPortNumber": 9002
             },
           ]
         }
       },
//------------------------------------NEW-------------------------------------
     "jvm": {},
     "runtimeVersion": "4.4.0:20220523-1",
     "updateStrategy": "rolling",
     "disableAmLogForwarding": false,
     "generateDefaultPublicUrl": true
   },
   "replicas": 1
 },
 "application": {
   "ref": {
     "groupId": "66310c16-bce5-43c4-b978-5945ed2f99c5",
     "artifactId": "app-with-40-schedulers",
     "version": "1.0.5",
     "packaging": "jar"
   },
   "assets": [],
   "desiredState": "STARTED",
   "configuration": {
     "mule.agent.application.properties.service": {
       "applicationName": "logs-app-uc01",
       "properties": {},
       "secureProperties": {}
     },
     "mule.agent.logging.service": {
       "artifactName": "logs-app-uc01",
       "scopeLoggingConfigurations": []
     }
   },
   "integrations": {
     "services": {
       "objectStoreV2": {
         "enabled": false
       }
     }
   },
   "vCores": "0.05"
 }
}

Deployments that include unavailable ports fail. Successful deployments use the newly mapped ports, and those ports become unavailable. If the app is deleted, the ports become available again.

Update an App Using the Application Manager API

Using the Application Manager API, change the tcp mapping in the deploymentSettings section to update the TCP port, and then redeploy the app.

The following example shows a request to update an existing app and its body with a new TCP mapping:

PATCH
https://anypoint.mulesoft.com/amc/adam/api/organizations/{organizationId}/environments/{environmentId}/deployments/{deploymentId}

{
    "id": "id",
    "target": {
      "provider": "MC",
      "targetId": "873a9879-cca7-4211-b90e-826e98123929",
      "deploymentSettings": {
        "tcp": {
          "inbound": {
            "ports": [
              {
                "portNumber": 30507,
                "applicationPortNumber": 9007
              },
              {
                "portNumber": 30508,
                "applicationPortNumber": 9008
              },
              {
                "portNumber": 30509,
                "applicationPortNumber": 9009
              }
            ]
          }
        }
      }
    }
  }

Updates that include unavailable ports fail. Successful deployments occupy the newly mapped ports, and those ports become unavailable. The ports that you replaced with new mappings become available.

Access Your TCP App

You can access the app using VPN or a transit gateway and within the private space. Because the apps run on worker nodes, they cannot be accessed directly over the internet. The URL to access a TCP app has this structure: {application-url}.{environment}.tcp.cloudhub.io:{port}

A sample URL is mllp-app-2-mpskt5.q8b5lv.usa-e2.tcp.cloudhub.io:30500.