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fixed tap id for each NIC, add more logging when VM is declared killed

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This commit is contained in:
ahmadbilalkhalid 2019-11-28 13:04:53 +05:00
commit bbe09667a6
3 changed files with 21 additions and 12 deletions
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8
api/main.py
View file

@ -36,6 +36,8 @@ class CreateVM(Resource):
"hdd": validator.specs["hdd"],
}
macs = [generate_mac() for i in range(len(data["network"]))]
tap_ids = [counters.increment_etcd_counter(etcd_client, "/v1/counter/tap")
for i in range(len(data["network"]))]
vm_entry = {
"name": data["vm_name"],
"owner": data["name"],
@ -46,7 +48,7 @@ class CreateVM(Resource):
"image_uuid": validator.image_uuid,
"log": [],
"vnc_socket": "",
"network": list(zip(data["network"], macs)),
"network": list(zip(data["network"], macs, tap_ids)),
"metadata": {"ssh-keys": []},
}
etcd_client.put(vm_key, vm_entry, value_in_json=True)
@ -73,8 +75,8 @@ class VmStatus(Resource):
)
vm_value = vm.value.copy()
vm_value["ip"] = []
for network_and_mac in vm.network:
network_name, mac = network_and_mac
for network_mac_and_tap in vm.network:
network_name, mac, tap = network_mac_and_tap
network = etcd_client.get(
join_path(
env_vars.get("NETWORK_PREFIX"),

1
host/main.py
View file

@ -63,6 +63,7 @@ def maintenance(host):
# initiated by user inside VM. OR crash of VM by some
# user running process
if (_vm and not _vm.handle.is_running()) or not _vm:
logger.debug("_vm = %s, is_running() = %s" % (_vm, _vm.handle.is_running()))
vm_entry.add_log("""{} is not running but is said to be running.
So, shutting it down and declare it killed""".format(vm_entry.key))
vm_entry.declare_killed()

24
host/virtualmachine.py
View file

@ -11,9 +11,9 @@ import tempfile
import time
from functools import wraps
from os.path import join as join_path
from string import Template
from typing import Union
from os.path import join as join_path
import bitmath
import sshtunnel
@ -49,7 +49,7 @@ def create_dev(script, _id, dev, ip=None):
return output.decode("utf-8").strip()
def create_vxlan_br_tap(_id, _dev, ip=None):
def create_vxlan_br_tap(_id, _dev, tap_id, ip=None):
network_script_base = os.path.join(os.path.dirname(os.path.dirname(__file__)), 'network')
vxlan = create_dev(script=os.path.join(network_script_base, 'create-vxlan.sh'),
_id=_id, dev=_dev)
@ -58,7 +58,7 @@ def create_vxlan_br_tap(_id, _dev, ip=None):
_id=_id, dev=vxlan, ip=ip)
if bridge:
tap = create_dev(script=os.path.join(network_script_base, 'create-tap.sh'),
_id=str(random.randint(1, 100000)), dev=bridge)
_id=str(tap_id), dev=bridge)
if tap:
return tap
@ -108,6 +108,7 @@ def update_radvd_conf(etcd_client):
except Exception:
sp.check_output(['service', 'radvd', 'restart'])
def get_start_command_args(vm_entry, vnc_sock_filename: str, migration=False, migration_port=None):
threads_per_core = 1
vm_memory = int(bitmath.parse_string_unsafe(vm_entry.specs["ram"]).to_MB())
@ -129,8 +130,8 @@ def get_start_command_args(vm_entry, vnc_sock_filename: str, migration=False, mi
command += " -incoming tcp:[::]:{}".format(migration_port)
tap = None
for network_and_mac in vm_networks:
network_name, mac = network_and_mac
for network_mac_and_tap in vm_networks:
network_name, mac, tap = network_mac_and_tap
_key = os.path.join(env_vars.get('NETWORK_PREFIX'), vm_entry.owner, network_name)
network = etcd_client.get(_key, value_in_json=True)
@ -139,7 +140,10 @@ def get_start_command_args(vm_entry, vnc_sock_filename: str, migration=False, mi
network_ipv6 = network.value["ipv6"]
if network_type == "vxlan":
tap = create_vxlan_br_tap(network_id, env_vars.get("VXLAN_PHY_DEV"), network_ipv6)
tap = create_vxlan_br_tap(_id=network_id,
_dev=env_vars.get("VXLAN_PHY_DEV"),
tap_id=tap,
ip=network_ipv6)
update_radvd_conf(etcd_client)
command += " -netdev tap,id=vmnet{net_id},ifname={tap},script=no,downscript=no" \
@ -237,11 +241,13 @@ def delete(vm_entry):
logger.info("Deleting VM | %s", vm_entry)
stop(vm_entry)
r_status = image_storage_handler.delete_vm_image(vm_entry.uuid)
if r_status:
if image_storage_handler.is_vm_image_exists(vm_entry.uuid):
r_status = image_storage_handler.delete_vm_image(vm_entry.uuid)
if r_status:
etcd_client.client.delete(vm_entry.key)
else:
etcd_client.client.delete(vm_entry.key)
def transfer(request_event):
# This function would run on source host i.e host on which the vm
# is running initially. This host would be responsible for transferring