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Convert OVA helper to ZKConnection

This commit is contained in:
Joshua Boniface 2021-05-29 00:22:06 -04:00
parent 9cd121ef9f
commit 1963f2c336
1 changed files with 15 additions and 26 deletions
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41
api-daemon/pvcapid/ova.py
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@ -32,6 +32,8 @@ from werkzeug.formparser import parse_form_data
from pvcapid.Daemon import config
from daemon_lib.zkhandler import ZKConnection
import daemon_lib.common as pvc_common
import daemon_lib.ceph as pvc_ceph
@ -110,7 +112,8 @@ def list_ova(limit, is_fuzzy=True):
return {'message': 'No OVAs found.'}, 404
def delete_ova(name):
@ZKConnection(config)
def delete_ova(zkhandler, name):
ova_data, retcode = list_ova(name, is_fuzzy=False)
if retcode != 200:
retmsg = {'message': 'The OVA "{}" does not exist.'.format(name)}
@ -127,9 +130,8 @@ def delete_ova(name):
volumes = cur.fetchall()
# Remove each volume for this OVA
zk_conn = pvc_common.startZKConnection(config['coordinators'])
for volume in volumes:
pvc_ceph.remove_volume(zk_conn, volume.get('pool'), volume.get('volume_name'))
pvc_ceph.remove_volume(zkhandler, volume.get('pool'), volume.get('volume_name'))
# Delete the volume entries from the database
query = "DELETE FROM ova_volume WHERE ova = %s;"
@ -160,7 +162,8 @@ def delete_ova(name):
return retmsg, retcode
def upload_ova(pool, name, ova_size):
@ZKConnection(config)
def upload_ova(zkhandler, pool, name, ova_size):
ova_archive = None
# Cleanup function
@ -168,21 +171,17 @@ def upload_ova(pool, name, ova_size):
# Close the OVA archive
if ova_archive:
ova_archive.close()
zk_conn = pvc_common.startZKConnection(config['coordinators'])
# Unmap the OVA temporary blockdev
retflag, retdata = pvc_ceph.unmap_volume(zk_conn, pool, "ova_{}".format(name))
retflag, retdata = pvc_ceph.unmap_volume(zkhandler, pool, "ova_{}".format(name))
# Remove the OVA temporary blockdev
retflag, retdata = pvc_ceph.remove_volume(zk_conn, pool, "ova_{}".format(name))
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.remove_volume(zkhandler, pool, "ova_{}".format(name))
# Normalize the OVA size to bytes
ova_size_bytes = pvc_ceph.format_bytes_fromhuman(ova_size)
ova_size = '{}B'.format(ova_size_bytes)
# Verify that the cluster has enough space to store the OVA volumes (2x OVA size, temporarily, 1x permanently)
zk_conn = pvc_common.startZKConnection(config['coordinators'])
pool_information = pvc_ceph.getPoolInformation(zk_conn, pool)
pvc_common.stopZKConnection(zk_conn)
pool_information = pvc_ceph.getPoolInformation(zkhandler, pool)
pool_free_space_bytes = int(pool_information['stats']['free_bytes'])
if ova_size_bytes * 2 >= pool_free_space_bytes:
output = {
@ -196,9 +195,7 @@ def upload_ova(pool, name, ova_size):
return output, retcode
# Create a temporary OVA blockdev
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_ceph.add_volume(zk_conn, pool, "ova_{}".format(name), ova_size)
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.add_volume(zkhandler, pool, "ova_{}".format(name), ova_size)
if not retflag:
output = {
'message': retdata.replace('\"', '\'')
@ -208,9 +205,7 @@ def upload_ova(pool, name, ova_size):
return output, retcode
# Map the temporary OVA blockdev
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_ceph.map_volume(zk_conn, pool, "ova_{}".format(name))
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.map_volume(zkhandler, pool, "ova_{}".format(name))
if not retflag:
output = {
'message': retdata.replace('\"', '\'')
@ -276,15 +271,11 @@ def upload_ova(pool, name, ova_size):
dev_size = '{}B'.format(pvc_ceph.format_bytes_fromhuman(dev_size_raw))
def cleanup_img_maps():
zk_conn = pvc_common.startZKConnection(config['coordinators'])
# Unmap the temporary blockdev
retflag, retdata = pvc_ceph.unmap_volume(zk_conn, pool, volume)
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.unmap_volume(zkhandler, pool, volume)
# Create the blockdev
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_ceph.add_volume(zk_conn, pool, volume, dev_size)
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.add_volume(zkhandler, pool, volume, dev_size)
if not retflag:
output = {
'message': retdata.replace('\"', '\'')
@ -295,9 +286,7 @@ def upload_ova(pool, name, ova_size):
return output, retcode
# Map the blockdev
zk_conn = pvc_common.startZKConnection(config['coordinators'])
retflag, retdata = pvc_ceph.map_volume(zk_conn, pool, volume)
pvc_common.stopZKConnection(zk_conn)
retflag, retdata = pvc_ceph.map_volume(zkhandler, pool, volume)
if not retflag:
output = {
'message': retdata.replace('\"', '\'')