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[CSO] How to get the SSH key of a device through REST API

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Article ID: KB37148 KB Last Updated: 06 Jul 2021Version: 1.0
Summary:

This article describes the procedure to get SSH keys for a device in a site through API in Contrail Service Orchestration (CSO) version 5.1.2.

Solution:

SSH keys can be retrieved from the "ems-regional" microservice by using the device UUID.

First authenticate with the API:

Then perform the following:

  1. Retrieve the full device list for "ems-regional":

GET https://<CSO_IP>/ems-regional/device        

OR a specific device:

curl -s 'http://<csp-ms-vm>/ems-regional/device'?filters=display_name=="test_device"

See Before You Begin for details.

Example Output Of Single Device

<output snip showing device UUID of  a device named "test-cpe" >  

Note: Device name is the name given to the device while onboarding it to CSO.                                        

        {
            "fq_name": [
                "default-domain",
                "my-tenant",
                "test-cpe"
            ],
            "uuid": " ba86dd1c-6e68-4219-xxxx-407c30371363",
            "uri": "/ems-regional/device/<uuid of cpe>"
        },
  1. Get the device UUID from the above output and use it in the following API query to get the SSH key configured in the device.

GET  https://<CSO_IP>/ems-regional/device/<device UUID>

<output snip showing ssh-rsa key of the device >

{
    "device": {
        "parent_uuid": "c13d774e-f1c9-4e95-8f81-e71a161fb0a0",
        "display_name": "test-cpe",
        "parent_type": "project",
        "component": [
            {
                "connection_info": {
                    "status": "UP",
                    "username": "csp",
                    "protocol": "netconf_over_ssh",
                    "discover_type": "MODELED",
                    "ip": null,
                    "hostname": null,
                    "conn_init_type": "DIRECT",
                    "auth": "RSA_KEY",
                    "port": null,
                    "conn_type": "DEVICE_INITIATED",
                    "fingerprint": "70:b7:34:8a:56:09:d7:77:43:0c:a3:f8:60:f7:61:83",
                    "secret_key": "$ABC123",
                    "password": null,
                    "first_conn": true,
                    "ssh_rsa_key": "<SSH KEY FOUND HERE, REMOVED>"
                },
                "component_name": "JDM",
                "license_info": null,
                "system_info": {
                    "hardware_model": "nfx250_s2_10_t",
                    "os_version": "18.4R3.3",
                    "os_name": "junos-qfx",
                    "host_name": "jdm",
                    "serial_number": null
                },
                "primary": true
            }
}
}
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