Files
napalm-proxmox/tests/test_vm_provision_mixin.py
T
Christian Manivong ddd4e6fc03 feat(vm_provision_mixin): expose fixed_vlan_tag for SDN vnets
vnet's SDN tag (VLAN ID) is now surfaced in get_network_targets() output
instead of being silently discarded. Bridges never set this field.
2026-07-07 10:22:56 +02:00

514 lines
18 KiB
Python

"""Tests for ProxmoxVMProvisionMixin — VM creation, destruction, status polling."""
from __future__ import annotations
import pytest
from unittest.mock import MagicMock, patch
from napalm_proxmox.driver import ProxmoxDriver
from napalm_proxmox.vm_provision_mixin import ProxmoxVMProvisionMixin
# ---------------------------------------------------------------------------
# Tests
# ---------------------------------------------------------------------------
def test_wait_for_task_success():
"""_wait_for_task succeeds when task reaches stopped status with exitstatus OK."""
mixin = ProxmoxVMProvisionMixin()
# Mock the _node_api() to return a mock that supports task polling
mock_node = MagicMock()
mock_task_status = MagicMock()
mock_task_status.status.get.side_effect = [
{"status": "running", "exitstatus": None},
{"status": "stopped", "exitstatus": "OK"},
]
mock_node.tasks.return_value = mock_task_status
mixin._node_api = MagicMock(return_value=mock_node)
# Should complete without raising
with patch("time.sleep"): # Speed up polling
result = mixin._wait_for_task("UPID:pve1:123:456:789:clone:100:root@pam:", timeout=30)
assert result is None
def test_wait_for_task_error():
"""_wait_for_task raises RuntimeError when task exits with non-OK status."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mock_task_status = MagicMock()
mock_task_status.status.get.return_value = {"status": "stopped", "exitstatus": "FAILED"}
mock_node.tasks.return_value = mock_task_status
mixin._node_api = MagicMock(return_value=mock_node)
with pytest.raises(RuntimeError, match="FAILED"):
with patch("time.sleep"):
mixin._wait_for_task("UPID:pve1:123:456:789:clone:100:root@pam:", timeout=30)
def test_wait_for_task_timeout():
"""_wait_for_task raises RuntimeError on timeout."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mock_task_status = MagicMock()
mock_task_status.status.get.return_value = {"status": "running"} # Always running
mock_node.tasks.return_value = mock_task_status
mixin._node_api = MagicMock(return_value=mock_node)
with pytest.raises(RuntimeError, match="timed out"):
with patch("napalm_proxmox.vm_provision_mixin.time.time") as mock_time:
# Simulate time passing: return incremented values to exceed timeout quickly
mock_time.side_effect = [0, 2, 4] # After 2 iterations, time > timeout=1
with patch("napalm_proxmox.vm_provision_mixin.time.sleep"):
mixin._wait_for_task("UPID:pve1:123:456:789:clone:100:root@pam:", timeout=1)
def test_create_vm_from_cloud_init_single_nic():
"""create_vm_from_cloud_init with single NIC, DHCP enabled (generic happy path)."""
mixin = ProxmoxVMProvisionMixin()
mixin._node_name = "pve1"
# Mock API hierarchy
mock_api = MagicMock()
mock_api.cluster.nextid.get.return_value = 101
mock_api.storage.get.return_value = [
{"storage": "snippets", "type": "dir", "content": "snippets", "enabled": 1}
]
mock_node = MagicMock()
mixin._api = mock_api
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM operations
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.clone.post.return_value = "UPID:pve1:123:clone"
mock_vm.config.post.return_value = None
mock_vm.config.get.return_value = {"scsi0": "local:100/vm-101-disk-0.raw"}
mock_vm.status.start.post.return_value = "UPID:pve1:124:start"
# Mock task completion
mock_task = MagicMock()
mock_task.status.get.return_value = {"status": "stopped", "exitstatus": "OK"}
mock_node.tasks.return_value = mock_task
# Mock storage upload
mock_storage = MagicMock()
mock_storage.upload.post.return_value = {"filename": "snippets:snippets/101-user-data.yaml"}
mock_node.storage.return_value = mock_storage
with patch("time.sleep"):
result = mixin.create_vm_from_cloud_init(
name="test-vm",
template="100",
cpu=2,
memory=2048,
nics=[{"bridge": "vmbr0", "vlan_tag": 10}],
cloud_init_config={"hostname": "test-vm"},
timeout=120,
)
assert result["vmid"] == "101"
assert result["name"] == "test-vm"
assert result["node"] == "pve1"
assert mock_vm.clone.post.called
# Verify NIC config was set correctly: net0 with tag=10, DHCP enabled
config_call_args = mock_vm.config.post.call_args_list[0] # First call (cores/memory/net0)
assert "net0" in config_call_args[1]
assert "tag=10" in config_call_args[1]["net0"]
assert "vmbr0" in config_call_args[1]["net0"]
def test_create_vm_from_cloud_init_dual_nic_trunk():
"""create_vm_from_cloud_init with dual NICs: net0 DHCP + net1 trunk (no DHCP)."""
mixin = ProxmoxVMProvisionMixin()
mixin._node_name = "pve1"
# Mock API hierarchy
mock_api = MagicMock()
mock_api.cluster.nextid.get.return_value = 102
mock_api.storage.get.return_value = [
{"storage": "snippets", "type": "dir", "content": "snippets", "enabled": 1}
]
mock_node = MagicMock()
mixin._api = mock_api
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM operations
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.clone.post.return_value = "UPID:pve1:125:clone"
mock_vm.config.post.return_value = None
mock_vm.config.get.return_value = {"scsi0": "local:100/vm-102-disk-0.raw"}
mock_vm.status.start.post.return_value = "UPID:pve1:126:start"
# Mock task completion
mock_task = MagicMock()
mock_task.status.get.return_value = {"status": "stopped", "exitstatus": "OK"}
mock_node.tasks.return_value = mock_task
# Mock storage upload
mock_storage = MagicMock()
mock_storage.upload.post.return_value = {"filename": "snippets:snippets/102-user-data.yaml"}
mock_node.storage.return_value = mock_storage
with patch("time.sleep"):
result = mixin.create_vm_from_cloud_init(
name="wireshark-sat-1",
template="100",
cpu=4,
memory=4096,
nics=[
{"bridge": "vmbr0", "vlan_tag": 10}, # net0: mgmt with DHCP
{"bridge": "vmbr1", "trunk_vlan_tags": [20, 30], "dhcp": False}, # net1: trunk, no DHCP
],
cloud_init_config={"hostname": "sat-1", "runcmd": ["custom cmd"]},
timeout=120,
)
assert result["vmid"] == "102"
assert result["name"] == "wireshark-sat-1"
# Verify both NICs configured
config_call_args = mock_vm.config.post.call_args_list[0]
assert "net0" in config_call_args[1]
assert "net1" in config_call_args[1]
assert "tag=10" in config_call_args[1]["net0"]
assert "trunks=20;30" in config_call_args[1]["net1"]
assert "vmbr1" in config_call_args[1]["net1"]
# Verify DHCP config: ipconfig0 yes, ipconfig1 no
cloud_init_call_args = mock_vm.config.post.call_args_list[1] # Second call (ipconfig)
assert "ipconfig0" in cloud_init_call_args[1]
assert cloud_init_call_args[1]["ipconfig0"] == "ip=dhcp"
assert "ipconfig1" not in cloud_init_call_args[1] # net1 has no DHCP
def test_create_vm_missing_snippet_storage():
"""create_vm_from_cloud_init raises ValueError if snippet storage unavailable."""
mixin = ProxmoxVMProvisionMixin()
mixin._node_name = "pve1"
# Mock API with no snippet storage
mock_api = MagicMock()
mock_api.cluster.nextid.get.return_value = 101
mock_api.storage.get.return_value = [
{"storage": "local-lvm", "type": "lvmthin", "content": "images,rootdir", "enabled": 1}
]
mixin._api = mock_api
# Mock node for clone operation (so we get to the storage check)
mock_node = MagicMock()
mixin._node_api = MagicMock(return_value=mock_node)
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.clone.post.return_value = "UPID:pve1:123:clone"
mock_vm.config.post.return_value = None
# Mock task to allow clone to complete
mock_task = MagicMock()
mock_task.status.get.return_value = {"status": "stopped", "exitstatus": "OK"}
mock_node.tasks.return_value = mock_task
with pytest.raises(ValueError, match="snippet"):
with patch("napalm_proxmox.vm_provision_mixin.time.sleep"):
mixin.create_vm_from_cloud_init(
name="test-vm",
template="100",
cpu=2,
memory=2048,
nics=[{"bridge": "vmbr0"}],
cloud_init_config={},
)
def test_create_vm_with_disk_resize():
"""create_vm_from_cloud_init resizes disk when disk_resize_gb is set."""
mixin = ProxmoxVMProvisionMixin()
mixin._node_name = "pve1"
# Mock API hierarchy
mock_api = MagicMock()
mock_api.cluster.nextid.get.return_value = 103
mock_api.storage.get.return_value = [
{"storage": "snippets", "type": "dir", "content": "snippets", "enabled": 1}
]
mock_node = MagicMock()
mixin._api = mock_api
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM operations
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.clone.post.return_value = "UPID:pve1:127:clone"
mock_vm.config.post.return_value = None
mock_vm.config.get.return_value = {"scsi0": "local:100/vm-103-disk-0.raw"}
mock_vm.resize.put.return_value = None
mock_vm.status.start.post.return_value = "UPID:pve1:128:start"
# Mock task completion
mock_task = MagicMock()
mock_task.status.get.return_value = {"status": "stopped", "exitstatus": "OK"}
mock_node.tasks.return_value = mock_task
# Mock storage upload
mock_storage = MagicMock()
mock_storage.upload.post.return_value = {"filename": "snippets:snippets/103-user-data.yaml"}
mock_node.storage.return_value = mock_storage
with patch("time.sleep"):
result = mixin.create_vm_from_cloud_init(
name="big-vm",
template="100",
cpu=2,
memory=2048,
nics=[{"bridge": "vmbr0"}],
cloud_init_config={"hostname": "big-vm"},
disk_resize_gb=100,
timeout=120,
)
assert result["vmid"] == "103"
# Verify resize was called
mock_vm.resize.put.assert_called_once()
call_kwargs = mock_vm.resize.put.call_args[1]
assert call_kwargs["disk"] == "scsi0"
assert call_kwargs["size"] == "100G"
def test_get_vm_status_with_wait_for_ip():
"""get_vm_status(wait_for_ip=True) polls guest-agent until IP acquired."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM config
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.config.get.return_value = {"net0": "virtio,bridge=vmbr0,tag=10"}
# Mock guest-agent: first no IP, then with IP
mock_agent = MagicMock()
mock_agent.network_get_interfaces.get.side_effect = [
{"result": [{"name": "eth0", "hardware-address": "aa:bb:cc:dd:ee:00"}]},
{
"result": [
{
"name": "eth0",
"hardware-address": "aa:bb:cc:dd:ee:00",
"ip-addresses": [{"ip-address": "10.0.0.100", "ip-address-type": "ipv4"}],
}
]
},
]
mock_vm.agent = mock_agent
with patch("time.sleep"):
result = mixin.get_vm_status("101", wait_for_ip=True, timeout=30, poll_interval=1)
assert result["status"] == "running"
assert result["ip_address"] == "10.0.0.100"
assert result["mac_address"] == "aa:bb:cc:dd:ee:00"
def test_get_vm_status_timeout_waiting_for_ip():
"""get_vm_status raises RuntimeError if IP acquisition times out."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM config
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.config.get.return_value = {"net0": "virtio,bridge=vmbr0"}
# Mock guest-agent that never returns IP
mock_agent = MagicMock()
mock_agent.network_get_interfaces.get.return_value = {
"result": [{"name": "eth0", "hardware-address": "aa:bb:cc:dd:ee:00"}]
}
mock_vm.agent = mock_agent
with pytest.raises(RuntimeError, match="timeout|IP"):
with patch("time.sleep"):
mixin.get_vm_status("101", wait_for_ip=True, timeout=1, poll_interval=0.5)
def test_destroy_vm_success():
"""destroy_vm stops running VM, deletes it, cleans up snippets."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM operations
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.config.get.return_value = {"cicustom": "user=snippets:snippets/101-user-data.yaml"}
mock_vm.status.stop.post.return_value = "UPID:pve1:125:stop"
mock_vm.delete.return_value = None
# Mock task completion
mock_task = MagicMock()
mock_task.status.get.return_value = {"status": "stopped", "exitstatus": "OK"}
mock_node.tasks.return_value = mock_task
# Mock snippet deletion (best-effort)
mock_storage = MagicMock()
mock_node.storage.return_value = mock_storage
mock_content = MagicMock()
mock_storage.content.return_value = mock_content
mock_content.delete.return_value = None
with patch("time.sleep"):
mixin.destroy_vm("101", remove_disk=True, timeout=60)
assert mock_vm.delete.called
def test_destroy_vm_already_stopped():
"""destroy_vm succeeds even if VM already stopped."""
mixin = ProxmoxVMProvisionMixin()
mock_node = MagicMock()
mixin._node_api = MagicMock(return_value=mock_node)
# Mock VM operations
mock_vm = MagicMock()
mock_node.qemu.return_value = mock_vm
mock_vm.config.get.return_value = {}
mock_vm.delete.return_value = None
with patch("time.sleep"):
mixin.destroy_vm("101", remove_disk=True, timeout=60)
# Verify delete was called (stop may fail or not be needed)
assert mock_vm.delete.called
# ---------------------------------------------------------------------------
# get_network_targets
# ---------------------------------------------------------------------------
def test_get_network_targets_filters_to_bridges_and_vnets():
"""get_network_targets excludes physical NICs/bonds; includes bridges + vnets."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(
return_value=[
{"iface": "eth0", "type": "eth"},
{"iface": "bond0", "type": "bond"},
{"iface": "vmbr0", "type": "bridge"},
{"iface": "vmbr1", "type": "OVSBridge"},
]
)
mixin._get_sdn_vnets = MagicMock(
return_value=[{"vnet": "vnet0", "zone": "zone-vlan", "tag": 10}]
)
targets = mixin.get_network_targets()
names = {t["name"] for t in targets}
assert names == {"vmbr0", "vmbr1", "vnet0"}
assert "eth0" not in names
assert "bond0" not in names
def test_get_network_targets_linux_bridge_vlan_aware_flag():
"""A Linux bridge's vlan_aware reflects its bridge_vlan_aware config flag."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(
return_value=[
{"iface": "vmbr0", "type": "bridge", "bridge_vlan_aware": 1},
{"iface": "vmbr2", "type": "bridge"}, # no flag -> not vlan aware
]
)
mixin._get_sdn_vnets = MagicMock(return_value=[])
targets = {t["name"]: t for t in mixin.get_network_targets()}
assert targets["vmbr0"]["kind"] == "bridge"
assert targets["vmbr0"]["vlan_aware"] is True
assert targets["vmbr2"]["vlan_aware"] is False
def test_get_network_targets_ovs_bridge_always_vlan_aware():
"""An OVS bridge is always vlan_aware, regardless of bridge_vlan_aware."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(
return_value=[{"iface": "vmbr1", "type": "OVSBridge"}]
)
mixin._get_sdn_vnets = MagicMock(return_value=[])
targets = mixin.get_network_targets()
assert targets[0]["kind"] == "bridge"
assert targets[0]["vlan_aware"] is True
def test_get_network_targets_sdn_vnet_never_vlan_aware():
"""An SDN vnet is never vlan_aware — its VLAN is already fixed by zone/tag."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(return_value=[])
mixin._get_sdn_vnets = MagicMock(
return_value=[
{"vnet": "vnet0", "zone": "zone-vlan", "tag": 10},
{"vnet": "vnet1", "zone": "zone-vlan", "tag": 20},
]
)
targets = mixin.get_network_targets()
assert len(targets) == 2
assert all(t["kind"] == "vnet" for t in targets)
assert all(t["vlan_aware"] is False for t in targets)
def test_get_network_targets_vnet_exposes_fixed_vlan_tag():
"""A vnet's fixed_vlan_tag surfaces its SDN tag for display purposes."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(return_value=[])
mixin._get_sdn_vnets = MagicMock(
return_value=[{"vnet": "vnet0", "zone": "zone-vlan", "tag": 10}]
)
targets = mixin.get_network_targets()
assert targets[0]["fixed_vlan_tag"] == 10
def test_get_network_targets_vnet_without_tag_has_none_fixed_vlan_tag():
"""A vnet with no tag (e.g. VXLAN/EVPN zone) reports fixed_vlan_tag=None."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(return_value=[])
mixin._get_sdn_vnets = MagicMock(
return_value=[{"vnet": "vnet2", "zone": "zone-vxlan"}]
)
targets = mixin.get_network_targets()
assert targets[0]["fixed_vlan_tag"] is None
def test_get_network_targets_bridge_has_no_fixed_vlan_tag():
"""Bridges never carry a single fixed VLAN tag — only vnets do."""
mixin = ProxmoxVMProvisionMixin()
mixin._get_node_network = MagicMock(
return_value=[{"iface": "vmbr0", "type": "bridge", "bridge_vlan_aware": 1}]
)
mixin._get_sdn_vnets = MagicMock(return_value=[])
targets = mixin.get_network_targets()
assert "fixed_vlan_tag" not in targets[0] or targets[0]["fixed_vlan_tag"] is None