TASK [Create network molecule network] ***********************************************************************************************************************
failed: [localhost] (item=instance) => {"ansible_loop_var": "item", "changed": false, "item": {"name": "instance"}, "msg": "authentication unavailable: no polkit agent available to authenticate action 'org.libvirt.unix.manage'"}

usermod --append --groups libvirt `whoami`
# second command is really needed otherwise current session will not get the new groups. 
# it can get even worse when using ssh as even closing the session and restarting it may not work due to ssh connection caching in the client
newgrp libvirt
# i even had to reboot a machine to convince it to list libvirt when running `groups`

grep -ir "default(" | grep -v item
molecule_libvirt/playbooks/create.yml:        {{ disk_size | default(default_disk_size ) }}"
molecule_libvirt/playbooks/templates/vm/vm.xml.j2:  <memory unit='GiB'>{{ memory_size | default(default_memory_size) }}</memory>
molecule_libvirt/playbooks/templates/vm/vm.xml.j2:  <currentMemory unit='GiB'>{{ memory_size | default(default_memory_size) }}</currentMemory>
molecule_libvirt/playbooks/templates/vm/vm.xml.j2:  <vcpu placement='static'>{{ vcpu | default(default_vcpu) }}</vcpu>

TASK [Start molecule vm(s)] **********************************************************************************************************************************
An exception occurred during task execution. To see the full traceback, use -vvv. The error was: libvirt.libvirtError: Cannot access storage file '/home/ssbarnea/.local/molecule/default/vms/instance.qcow2' (as uid:107, gid:107): Permission denied
failed: [localhost] (item=instance) => {"ansible_loop_var": "item", "changed": false, "item": {"name": "instance"}, "msg": "Cannot access storage file '/home/ssbarnea/.local/molecule/default/vms/instance.qcow2' (as uid:107, gid:107): Permission denied"}

[ssbarnea@leno molecule-libvirt]$ ls -la /home/ssbarnea/.local/molecule/default/vms/
total 659684
drwxr-xr-x. 1 ssbarnea ssbarnea          74 May 16 11:09 .
drwxr-xr-x. 1 ssbarnea ssbarnea           6 May 15 17:43 ..
-rw-r--r--. 1 ssbarnea libvirt       374784 May 16 11:09 instance-cloud-init.iso
-rw-r--r--. 1 ssbarnea libvirt  16108814336 May 16 11:09 instance.qcow2

$ ansible --version
ansible [core 2.13.0]
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/myuser/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /home/myuser/projetos/ansible-setup-workstation/.venv/lib/python3.10/site-packages/ansible
  ansible collection location = /home/myuser/.ansible/collections:/usr/share/ansible/collections
  executable location = /home/myuser/projetos/ansible-setup-workstation/.venv/bin/ansible
  python version = 3.10.4 (main, Mar 25 2022, 00:00:00) [GCC 11.2.1 20220127 (Red Hat 11.2.1-9)]
  jinja version = 3.1.2
  libyaml = True

$ molecule --version
molecule 3.6.1 using python 3.10 
    ansible:2.13.0
    delegated:3.6.1 from molecule
    docker:1.1.0 from molecule_docker requiring collections: community.docker>=1.9.1
    libvirt:0.0.5 from molecule_libvirt

$ python --version          
Python 3.10.4

FAILED - RETRYING: [localhost]: Get instance(s) ip address (1 retries left).Result was: {
    "attempts": 10,
    "changed": true,
    "cmd": "virsh --connect qemu:///system domifaddr instance | grep 52:54:00:ab:cd: | awk '{ print $4 }' | sed 's/\\/.*//'\n",
    "delta": "0:00:00.028730",
    "end": "2022-06-16 19:10:10.203963",
    "invocation": {
        "module_args": {
            "_raw_params": "virsh --connect qemu:///system domifaddr instance | grep 52:54:00:ab:cd: | awk '{ print $4 }' | sed 's/\\/.*//'\n",
            "_uses_shell": true,
            "argv": null,
            "chdir": null,
            "creates": null,
            "executable": null,
            "removes": null,
            "stdin": null,
            "stdin_add_newline": true,
            "strip_empty_ends": true,
            "warn": false
        }
    },
    "msg": "",
    "rc": 0,
    "retries": 11,
    "start": "2022-06-16 19:10:10.175233",
    "stderr": "",
    "stderr_lines": [],
    "stdout": "",
    "stdout_lines": []
}
<127.0.0.1> EXEC /bin/sh -c 'echo ~mhagnumdw && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '( umask 77 && mkdir -p "` echo /home/mhagnumdw/.ansible/tmp `"&& mkdir "` echo /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393 `" && echo ansible-tmp-1655417412.2326565-58511-220510289016393="` echo /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393 `" ) && sleep 0'
Using module file /home/mhagnumdw/projetos/ansible-setup-workstation/.venv/lib/python3.10/site-packages/ansible/modules/command.py
<127.0.0.1> PUT /home/mhagnumdw/.ansible/tmp/ansible-local-57192ogu4wtzr/tmpw43ce8a3 TO /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393/AnsiballZ_command.py
<127.0.0.1> EXEC /bin/sh -c 'chmod u+x /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393/ /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393/AnsiballZ_command.py && sleep 0'
<127.0.0.1> EXEC /bin/sh -c '/home/mhagnumdw/projetos/ansible-setup-workstation/.venv/bin/python /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393/AnsiballZ_command.py && sleep 0'
<127.0.0.1> EXEC /bin/sh -c 'rm -f -r /home/mhagnumdw/.ansible/tmp/ansible-tmp-1655417412.2326565-58511-220510289016393/ > /dev/null 2>&1 && sleep 0'
failed: [localhost] (item=instance) => {
    "ansible_loop_var": "item",
    "attempts": 10,
    "changed": true,
    "cmd": "virsh --connect qemu:///system domifaddr instance | grep 52:54:00:ab:cd: | awk '{ print $4 }' | sed 's/\\/.*//'\n",
    "delta": "0:00:00.026336",
    "end": "2022-06-16 19:10:12.422628",
    "invocation": {
        "module_args": {
            "_raw_params": "virsh --connect qemu:///system domifaddr instance | grep 52:54:00:ab:cd: | awk '{ print $4 }' | sed 's/\\/.*//'\n",
            "_uses_shell": true,
            "argv": null,
            "chdir": null,
            "creates": null,
            "executable": null,
            "removes": null,
            "stdin": null,
            "stdin_add_newline": true,
            "strip_empty_ends": true,
            "warn": false
        }
    },
    "item": {
        "cpu": 2,
        "cpu_model": "qemu64",
        "disk_size": "10G",
        "image_url": "https://download.fedoraproject.org/pub/fedora/linux/releases/34/Cloud/x86_64/images/Fedora-Cloud-Base-34-1.2.x86_64.qcow2",
        "memory_size": "1",
        "name": "instance",
        "ssh_port": 22
    },
    "msg": "",
    "rc": 0,
    "start": "2022-06-16 19:10:12.396292",
    "stderr": "",
    "stderr_lines": [],
    "stdout": "",
    "stdout_lines": []
}

$ ls -lah /home/mhagnumdw/.local/molecule/default/vms/
total 2,9M
drwxr-xr-x. 1 mhagnumdw mhagnumdw  110 jun 16 19:09 .
drwxr-xr-x. 1 mhagnumdw mhagnumdw    6 jun 16 18:18 ..
-rw-r--r--. 1 qemu      qemu      366K jun 16 19:09 instance-cloud-init.iso
-rw-rw-r--. 1 mhagnumdw mhagnumdw    0 jun 16 19:09 .instance-expanded
-rw-r--r--. 1 qemu      qemu       16G jun 16 19:09 instance.qcow2

$ molecule --version
molecule 3.6.1 using python 3.10 
    ansible:2.13.0
    delegated:3.6.1 from molecule
    docker:1.1.0 from molecule_docker requiring collections: community.docker>=1.9.1
    libvirt:0.0.5 from molecule_libvirt

vars:
        qemu_uri: "{{ 'qemu+ssh://'+item.libvirt_user+'@'+item.libvirt_host+'/system' if item.libvirt_host is defined else libvirt_uri }}?socket=/var/run/libvirt/libvirt-sock"

TASK [Create an image shell with the desired size] ***********************************************************************************************************
changed: [localhost] => (item=instance)

TASK [Expand original image on the new sized volume] *********************************************************************************************************
failed: [localhost] (item=instance) => {"ansible_loop_var": "item", "changed": true, "cmd": "umask 0002\nvirt-resize --quiet --expand /dev/sda1 instance.qcow2 instance-temp.qcow2\n", "delta": "0:00:02.332616", "end": "2021-05-16 11:42:46.732044", "item": {"name": "instance"}, "msg": "non-zero return code", "rc": 1, "start": "2021-05-16 11:42:44.399428", "stderr": "virt-resize: error: You cannot use --expand when there is no surplus space \nto expand into.  You need to make the target disk larger by at least 32.0K.\n\nIf reporting bugs, run virt-resize with debugging enabled and include the \ncomplete output:\n\n  virt-resize -v -x [...]", "stderr_lines": ["virt-resize: error: You cannot use --expand when there is no surplus space ", "to expand into.  You need to make the target disk larger by at least 32.0K.", "", "If reporting bugs, run virt-resize with debugging enabled and include the ", "complete output:", "", "  virt-resize -v -x [...]"], "stdout": "", "stdout_lines": []}

$ molecule test -s kvm

TASK [Allow qemu process read qcow2 images in home directory] ******************
failed: [localhost -> localhost] (item=centos7-instance) => {"ansible_loop_var": "item", "changed": false, "cmd": "/usr/bin/setfacl --test -m user:qemu:x /home/user", "item": {"image_url": "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2", "name": "centos7-instance"}, "msg": "setfacl: 
Option -m: Invalid argument near character 6", "rc": 2, "stderr": "setfacl: Option -m: Invalid argument near character 6\n", "stderr_lines": ["setfacl: Option -m: Invalid argument near character 6"], "stdout": "", "stdout_lines": []}

cat molecule/kvm/molecule.yml

---

dependency:
  name: galaxy
  options:
    ignore-certs: True
    ignore-errors: True
driver:
  name: libvirt
platforms:
  - name: centos7-instance
    image_url: "https://cloud.centos.org/centos/7/images/CentOS-7-x86_64-GenericCloud.qcow2"
  ...