Looping over JSON output from Arista

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Leo Izbicki

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Nov 17, 2014, 4:57:42 PM11/17/14

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I'm playing with Ansible+Arista and I'm able to receive JSON back about the arista device. As an example, I am looking at interface status. While I am able to receive and display information about a single value/pair from the array, how can I loop to receive information on every item in the array?

Example JSON received:

TASK: [debug var=eos_command_output] ******************************************

ok: [example.host] => {

"eos_command_output": {

"changed": false,

"invocation": {

"module_args": "",

"module_name": "eos_command"

"output": [

{

"command": "show interfaces status",

"response": {

"interfaceStatuses": {

"Ethernet1": {

"autoNegotiateActive": false,

"autoNegotigateActive": false,

"bandwidth": 10000000000,

"description": "example.description|span",

"duplex": "duplexFull",

"interfaceType": "10GBASE-SR",

"linkStatus": "connected",

"vlanInformation": {

"interfaceForwardingModel": "bridged",

"interfaceMode": "tap"

}

"Ethernet10": {

"autoNegotiateActive": false,

"autoNegotigateActive": false,

"bandwidth": 10000000000,

"description": "",

"duplex": "duplexFull",

"interfaceType": "Not Present",

"linkStatus": "errdisabled",

"vlanInformation": {

"interfaceForwardingModel": "bridged",

"interfaceMode": "bridged",

"vlanId": 1

}

Working example:

- name: show the optic in Ethernet1

debug: msg="Optic in Ethernet1- {{eos_command_output['output'][0]['respons

e']['interfaceStatuses']['Ethernet1']['interfaceType'] }}"

yields:

ok: [example.host1] => {
"msg": "Optic in Ethernet1- Not Present"
}
ok: [example.host2] => {
"msg": "Optic in Ethernet1- 10GBASE-SR"

What I'm trying to do:

- name: show the optic in each port
debug: msg="Optic in {{ eos_command_output['output'][0]['respons
e']['interfaceStatuses'] }} - {{ interfaceType }}

This doesn't work, and so here I am.

Desired output:

ok: [example.host1] => {
"msg": "Optic in Ethernet1- Not Present"
"msg": "Optic in Ethernet10- Not Present"
}
ok: [example.host2] => {
"msg": "Optic in Ethernet1- 10GBASE-SR"
"msg": "Optic in Ethernet10- Not Present"