virt module VMNotFound

Moreno_Garcia · November 17, 2017, 10:55am

I have 3 machines provisioned on KVM. Here is my inventory:

`
[local]
localhost ansible_connection=local

[dbservers]
server1
server2
server3
`

When I run from the command line:

$ ansible localhost -m virt -a “name=scylla3 command=status”

localhost | SUCCESS => { "changed": false, "failed": false, "status": "running" }

It works perfectly fine.

But from my playbook

`

hosts: dbservers
tasks:
name: Test command for VMs
virt:
command: status
name: ‘{{ansible_host }}’
`

I get the following error:

An exception occurred during task execution. To see the full traceback, use -vvv. The error was: VMNotFound: virtual machine server1 not found fatal: [server1]: FAILED! => {"changed": false, "failed": true, "msg": "virtual machine server1 not found"} An exception occurred during task execution. To see the full traceback, use -vvv. The error was: VMNotFound: virtual machine server2 not found fatal: [server2]: FAILED! => {"changed": false, "failed": true, "msg": "virtual machine server2 not found"} An exception occurred during task execution. To see the full traceback, use -vvv. The error was: VMNotFound: virtual machine server3 not found fatal: [server3]: FAILED! => {"changed": false, "failed": true, "msg": "virtual machine server3 not found"}

Running with -vvv the relevant part:

`
The full traceback is:
Traceback (most recent call last):
File “/tmp/ansible_WuP4hq/ansible_module_virt.py”, line 540, in main
rc, result = core(module)
File “/tmp/ansible_WuP4hq/ansible_module_virt.py”, line 506, in core
res = getattr(v, command)(guest)
File “/tmp/ansible_WuP4hq/ansible_module_virt.py”, line 410, in status
return self.conn.get_status(vmid)
File “/tmp/ansible_WuP4hq/ansible_module_virt.py”, line 236, in get_status
state = self.find_vm(vmid).info()[0]
File “/tmp/ansible_WuP4hq/ansible_module_virt.py”, line 205, in find_vm
raise VMNotFound(“virtual machine %s not found” % vmid)
VMNotFound: virtual machine server3 not found

fatal: [server3]: FAILED! => {
“changed”: false,
“failed”: true,
“invocation”: {
“module_args”: {
“autostart”: null,
“command”: “status”,
“name”: “server3”,
“state”: null,
“uri”: “qemu:///system”,
“xml”: null
}
},
“msg”: “virtual machine server3 not found”
}
`

Not sure what I’m doing wrong. Any help appreciated.

Moreno_Garcia · November 17, 2017, 11:28am

The command line is actually: $ ansible localhost -m virt -a “name=server3 command=status”

Moreno_Garcia · November 17, 2017, 1:49pm

ansible --version ansible 2.4.1.0 config file = /etc/ansible/ansible.cfg configured module search path = [u'/home/bfranklin/.ansible/plugins/modules', u'/usr/share/ansible/plugins/modules'] ansible python module location = /home/bfranklin/.local/lib/python2.7/site-packages/ansible executable location = /usr/bin/ansible python version = 2.7.13 (default, Jan 19 2017, 14:48:08) [GCC 6.3.0 20170118]/

Moreno_Garcia · November 17, 2017, 9:16pm

I’m not a programmer but I decided to run some tests with the code.

VMs ON

`
Python 2.7.13 (default, Jan 19 2017, 14:48:08)
[GCC 6.3.0 20170118] on linux2
Type “help”, “copyright”, “credits” or “license” for more information.

import libvirt
print “VMs off”
VMs off
conn = libvirt.open(‘qemu:///system’)
vms =
ids = conn.listDomainsID()
ids

domains = conn.listDefinedDomains()
domains
[‘server3’, ‘server2’, ‘server1’]
for id in ids:
… vm = conn.lookupByID(id)
… vms.append(vm)
…
vms

for domain in domains:
… vm = conn.lookupByName(domain)
… vms.append(vm)
…
vms
[<libvirt.virDomain object at 0x7fe15b71f690>, <libvirt.virDomain object at 0x7fe15b71f6d0>, <libvirt.virDomain object at 0x7fe15b71f710>]
vms[0].name()
‘server3’
vms[1].name()
‘server2’
vms[2].name()
‘server1’
`

VMs OFF

`

print ‘VMs on’
VMs on
ids = conn.listDomainsID()
ids
[95, 94, 93]
for id in ids:
… vm = conn.lookupByID(id)
… vms.append(vm)
…
vms
[<libvirt.virDomain object at 0x7fe15b71f690>, <libvirt.virDomain object at 0x7fe15b71f6d0>, <libvirt.virDomain object at 0x7fe15b71f710>, <libvirt.virDomain object at 0x7fe15b71f650>, <libvirt.virDomain object at 0x7fe15b71f790>, <libvirt.virDomain object at 0x7fe15b71f7d0>]
vms[0].name()
‘server3’
vms[1].name()
‘server2’
vms[2].name()
‘server1’
domains = conn.listDefinedDomains()
domains

for domain in domains:
… vm = conn.lookupByName(domain)
… vms.append(vm)
…
domains

`

So looking at the code here: https://github.com/technolo-g/ansible_venv/blob/master/lib/python2.7/site-packages/ansible/modules/extras/cloud/misc/virt.py

`

def find_vm(self, vmid):
“”"
Extra bonus feature: vmid = -1 returns a list of everything
“”"
conn = self.conn

vms =

this block of code borrowed from virt-manager:

get working domain’s name

ids = conn.listDomainsID()
for id in ids:
vm = conn.lookupByID(id)
vms.append(vm)

get defined domain

names = conn.listDefinedDomains()
for name in names:
vm = conn.lookupByName(name)
vms.append(vm)

if vmid == -1:
return vms

for vm in vms:
if vm.name() == vmid:
return vm

raise VMNotFound(“virtual machine %s not found” % vmid)

`

|

|

It should find the VM by vmid. I’m puzzled.

Kai_Stian_Olstad · November 17, 2017, 9:23pm

I have 3 machines provisioned on KVM. Here is my inventory:

[local]
localhost ansible_connection=local

[dbservers]
server1
server2
server3

When I run from the command line:

$ ansible localhost -m virt -a "name=scylla3 command=status"

localhost | SUCCESS => {
    "changed": false,
    "failed": false,
    "status": "running"
}

It works perfectly fine.

Here the virt module is running on localhost.

But from my playbook

- hosts: dbservers
   tasks:
      - name: Test command for VMs
        virt:
          command: status
          name: '{{ansible_host }}'

I get the following error:
An exception occurred during task execution. To see the full traceback, use
-vvv. The error was: VMNotFound: virtual machine server1 not found
fatal: [server1]: FAILED! => {"changed": false, "failed": true, "msg": "virtual
machine server1 not found"}
An exception occurred during task execution. To see the full traceback, use
-vvv. The error was: VMNotFound: virtual machine server2 not found
fatal: [server2]: FAILED! => {"changed": false, "failed": true, "msg": "virtual
machine server2 not found"}
An exception occurred during task execution. To see the full traceback, use
-vvv. The error was: VMNotFound: virtual machine server3 not found
fatal: [server3]: FAILED! => {"changed": false, "failed": true, "msg": "virtual
machine server3 not found"}

Here you are running the virt module on the VM, and the VM is not running KVM the host is.

Running with -vvv the relevant part:

The full traceback is:
Traceback (most recent call last):
  File "/tmp/ansible_WuP4hq/ansible_module_virt.py", line 540, in main
    rc, result = core(module)
  File "/tmp/ansible_WuP4hq/ansible_module_virt.py", line 506, in core
    res = getattr(v, command)(guest)
  File "/tmp/ansible_WuP4hq/ansible_module_virt.py", line 410, in status
    return self.conn.get_status(vmid)
  File "/tmp/ansible_WuP4hq/ansible_module_virt.py", line 236, in get_status
    state = self.find_vm(vmid).info()[0]
  File "/tmp/ansible_WuP4hq/ansible_module_virt.py", line 205, in find_vm
    raise VMNotFound("virtual machine %s not found" % vmid)
VMNotFound: virtual machine server3 not found

fatal: [server3]: FAILED! => {

This last line say you are running on server3 an not localhost.

    "changed": false,
    "failed": true,
    "invocation": {
        "module_args": {
            "autostart": null,
            "command": "status",
            "name": "server3",
            "state": null,
            "uri": "qemu:///system",
            "xml": null
        }
    },
    "msg": "virtual machine server3 not found"
}

Not sure what I'm doing wrong. Any help appreciated.

You need to add delegate_to: localhost or set connection: local

Moreno_Garcia · November 17, 2017, 10:15pm

Kai, thanks a lot for taking the time to reply.

Tried with delegate_to

“msg”: “Unsupported parameters for (virt) module: delegate_to Supported parameters include: autostart,command,name,state,uri,xml”

I already tried with localhost on the playbook, let me try again.

Changing the name to localhost:

`

hosts: dbservers
tasks:
name: Test command for VMs
virt:
command: status
name: localhost
`

`
(0, ‘\r\n{“msg”: “virtual machine localhost not found”, “failed”: true, “exception”: “Traceback (most recent call last):\n File \”/tmp/ansible_mQLcdU/ansible_module_virt.py\“, line 540, in main\n rc, result = core(module)\n File \”/tmp/ansible_mQLcdU/ansible_module_virt.py\“, line 506, in core\n res = getattr(v, command)(guest)\n File \”/tmp/ansible_mQLcdU/ansible_module_virt.py\“, line 410, in status\n return self.conn.get_status(vmid)\n File \”/tmp/ansible_mQLcdU/ansible_module_virt.py\“, line 236, in get_status\n state = self.find_vm(vmid).info()[0]\n File \”/tmp/ansible_mQLcdU/ansible_module_virt.py\“, line 205, in find_vm\n raise VMNotFound(\“virtual machine %s not found\” % vmid)\nVMNotFound: virtual machine localhost not found\n”, “invocation”: {“module_args”: {“xml”: null, “name”: “localhost”, “uri”: “qemu:///system”, “state”: null, “command”: “status”, “autostart”: null}}}\r\n’, ‘Shared connection to server3 closed.\r\n’)
The full traceback is:
Traceback (most recent call last):
File “/tmp/ansible_mQLcdU/ansible_module_virt.py”, line 540, in main
rc, result = core(module)
File “/tmp/ansible_mQLcdU/ansible_module_virt.py”, line 506, in core
res = getattr(v, command)(guest)
File “/tmp/ansible_mQLcdU/ansible_module_virt.py”, line 410, in status
return self.conn.get_status(vmid)
File “/tmp/ansible_mQLcdU/ansible_module_virt.py”, line 236, in get_status
state = self.find_vm(vmid).info()[0]
File “/tmp/ansible_mQLcdU/ansible_module_virt.py”, line 205, in find_vm
raise VMNotFound(“virtual machine %s not found” % vmid)
VMNotFound: virtual machine localhost not found

fatal: [server3]: FAILED! => {
“changed”: false,
“failed”: true,
“invocation”: {
“module_args”: {
“autostart”: null,
“command”: “status”,
“name”: “localhost”,
“state”: null,
“uri”: “qemu:///system”,
“xml”: null
}
},
“msg”: “virtual machine localhost not found”
`

Changing hosts and removing name:
`

hosts: local
tasks:
name: Test command for VMs
virt:
command: status

TASK [Test command for VMs] *****************************************************************************************************************************************************************************************
task path: /home/bfranklin/bin/test.test/tasks/test3.yml:20
Using module file /home/bfranklin/.local/lib/python2.7/site-packages/ansible/modules/cloud/misc/virt.py
ESTABLISH LOCAL CONNECTION FOR USER: bfranklin
EXEC /bin/sh -c ‘echo ~ && sleep 0’
EXEC /bin/sh -c ‘( umask 77 && mkdir -p “echo /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677” && echo ansible-tmp-1510956849.89-176724624375677=“echo /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677” ) && sleep 0’
PUT /tmp/tmpgNSjwP TO /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677/virt.py
EXEC /bin/sh -c ‘chmod u+x /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677/ /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677/virt.py && sleep 0’
EXEC /bin/sh -c ‘/usr/bin/python /home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677/virt.py; rm -rf “/home/bfranklin/.ansible/tmp/ansible-tmp-1510956849.89-176724624375677/” > /dev/null 2>&1 && sleep 0’
fatal: [localhost]: FAILED! => {
“changed”: false,
“failed”: true,
“invocation”: {
“module_args”: {
“autostart”: null,
“command”: “status”,
“name”: null,
“state”: null,
“uri”: “qemu:///system”,
“xml”: null
}
},
“msg”: “status requires 1 argument: guest”
`

It seem to “work” but then how to iterate through my list of guests?

Kai_Stian_Olstad · November 17, 2017, 10:24pm

Kai, thanks a lot for taking the time to reply.

Tried with delegate_to

"msg": "Unsupported parameters for (virt) module: delegate_to Supported
parameters include: autostart,command,name,state,uri,xml"

Your indentation was wrong, it should be on the same level as virt, not under virt.

I already tried with localhost on the playbook, let me try again.

Changing the name to localhost:

- hosts: dbservers
   tasks:

      - name: Test command for VMs
        virt:
          command: status
          name: localhost

With delegate_to:

- hosts: dbservers
  tasks:
    - name: Test command for VMs
      virt:
        command: status
        name: {{ inventory_hostname }}
      delegate_to: localhost

With connection: local
- hosts: dbservers
  connection: local
  tasks:
    - name: Test command for VMs
      virt:
        command: status
        name: {{ inventory_hostname }}

Moreno_Garcia · November 17, 2017, 10:34pm

It worked like a charm. Thanks a lot Kai!

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virt module VMNotFound

this block of code borrowed from virt-manager:

get working domain’s name

get defined domain

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