* repos/domain/ownership_test.py
Setting the dynamic_ownership value in /etc/libvirt/qemu.conf,
check the ownership of file after domain save and restore. Test
could be on local or root_squash nfs. The default owner of the
saved domain file is qemu:qemu in this case.
---
repos/domain/ownership_test.py | 316 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 316 insertions(+), 0 deletions(-)
create mode 100644 repos/domain/ownership_test.py
diff --git a/repos/domain/ownership_test.py b/repos/domain/ownership_test.py
new file mode 100644
index 0000000..74620f4
--- /dev/null
+++ b/repos/domain/ownership_test.py
@@ -0,0 +1,316 @@
+#!/usr/bin/env python
+"""Setting the dynamic_ownership in /etc/libvirt/qemu.conf,
+ check the ownership of saved domain file. Test could be on
+ local or root_squash nfs. The default owner of the saved
+ domain file is qemu:qemu in this case.
+ domain:ownership_test
+ guestname
+ #GUESTNAME#
+ dynamic_ownership
+ enable|disable
+ use_nfs
+ enable|disable
+"""
+
+__author__ = 'Wayne Sun: gsun@xxxxxxxxxx'
+__date__ = 'Mon Jul 25, 2011'
+__version__ = '0.1.0'
+__credits__ = 'Copyright (C) 2011 Red Hat, Inc.'
+__all__ = ['ownership_test']
+
+import os
+import re
+import sys
+
+QEMU_CONF = "/etc/libvirt/qemu.conf"
+SAVE_FILE = "/mnt/test.save"
+TEMP_FILE = "/tmp/test.save"
+
+def append_path(path):
+ """Append root path of package"""
+ if path not in sys.path:
+ sys.path.append(path)
+
+from lib import connectAPI
+from lib import domainAPI
+from utils.Python import utils
+from exception import LibvirtAPI
+
+pwd = os.getcwd()
+result = re.search('(.*)libvirt-test-API', pwd)
+append_path(result.group(0))
+
+def return_close(conn, logger, ret):
+ """close hypervisor connection and return the given value"""
+ conn.close()
+ logger.info("closed hypervisor connection")
+ return ret
+
+def check_params(params):
+ """Verify inputing parameter dictionary"""
+ logger = params['logger']
+ keys = ['guestname', 'dynamic_ownership', 'use_nfs']
+ for key in keys:
+ if key not in params:
+ logger.error("%s is required" %key)
+ return 1
+ return 0
+
+def check_domain_running(domobj, guestname, logger):
+ """ check if the domain exists, may or may not be active """
+ guest_names = domobj.get_list()
+
+ if guestname not in guest_names:
+ logger.error("%s doesn't exist or not running" % guestname)
+ return 1
+ else:
+ return 0
+
+def nfs_setup(util, logger):
+ """setup nfs on localhost
+ """
+ logger.info("set nfs service")
+ cmd = "echo /tmp *\(rw,root_squash\)>> /etc/exports"
+ ret, out = util.exec_cmd(cmd, shell=True)
+ if ret:
+ logger.error("failed to config nfs export")
+ return 1
+
+ logger.info("restart nfs service")
+ cmd = "service nfs restart"
+ ret, out = util.exec_cmd(cmd, shell=True)
+ if ret:
+ logger.error("failed to restart nfs service")
+ return 1
+ else:
+ for i in range(len(out)):
+ logger.info(out[i])
+
+ return 0
+
+def chown_file(util, filepath, logger):
+ """touch a file and setting the chown
+ """
+ if os.path.exists(filepath):
+ os.remove(filepath)
+
+ touch_cmd = "touch %s" % filepath
+ logger.info(touch_cmd)
+ ret, out = util.exec_cmd(touch_cmd, shell=True)
+ if ret:
+ logger.error("failed to touch a new file")
+ logger.error(out[0])
+ return 1
+
+ logger.info("set chown of %s as 107:107" % filepath)
+ chown_cmd = "chown 107:107 %s" % filepath
+ ret, out = util.exec_cmd(chown_cmd, shell=True)
+ if ret:
+ logger.error("failed to set the ownership of %s" % filepath)
+ return 1
+
+ logger.info("set %s mode as 664" % filepath)
+ cmd = "chmod 664 %s" % filepath
+ ret, out = util.exec_cmd(cmd, shell=True)
+ if ret:
+ logger.error("failed to set the mode of %s" % filepath)
+ return 1
+
+ return 0
+
+def prepare_env(util, dynamic_ownership, use_nfs, logger):
+ """configure dynamic_ownership in /etc/libvirt/qemu.conf,
+ set chown of the file to save
+ """
+ if dynamic_ownership == 'enable':
+ d_ownership = 1
+ elif dynamic_ownership == 'disable':
+ d_ownership = 0
+ else:
+ logger.error("wrong dynamic_ownership value")
+ return 1
+
+ logger.info("set the dynamic ownership in %s as %s" % \
+ (QEMU_CONF, d_ownership))
+ set_cmd = "echo dynamic_ownership = %s>> %s" % \
+ (d_ownership, QEMU_CONF)
+ ret, out = util.exec_cmd(set_cmd, shell=True)
+ if ret:
+ logger.error("failed to set dynamic ownership")
+ return 1
+
+ logger.info("restart libvirtd")
+ restart_cmd = "service libvirtd restart"
+ ret, out = util.exec_cmd(restart_cmd, shell=True)
+ if ret:
+ logger.error("failed to restart libvirtd")
+ return 1
+ else:
+ for i in range(len(out)):
+ logger.info(out[i])
+
+ if use_nfs == 'enable':
+ filepath = TEMP_FILE
+ elif use_nfs == 'disable':
+ filepath = SAVE_FILE
+ else:
+ logger.error("wrong use_nfs value")
+ return 1
+
+ ret = chown_file(util, filepath, logger)
+ if ret:
+ return 1
+
+ if use_nfs == 'enable':
+ ret = nfs_setup(util, logger)
+ if ret:
+ return 1
+
+ cmd = "setsebool virt_use_nfs 1"
+ logger.info(cmd)
+ ret, out = util.exec_cmd(cmd, shell=True)
+ if ret:
+ logger.error("Failed to setsebool virt_use_nfs")
+ return 1
+
+ logger.info("mount the nfs path to /mnt")
+ mount_cmd = "mount -o vers=3 127.0.0.1:/tmp /mnt"
+ ret, out = util.exec_cmd(mount_cmd, shell=True)
+ if ret:
+ logger.error("Failed to mount the nfs path")
+ for i in range(len(out)):
+ logger.info(out[i])
+ return 1
+
+ return 0
+
+def ownership_get(logger):
+ """check the ownership of file"""
+
+ statinfo = os.stat(SAVE_FILE)
+ uid = statinfo.st_uid
+ gid = statinfo.st_gid
+
+ logger.info("the uid and gid of %s is %s:%s" %(SAVE_FILE, uid, gid))
+
+ return 0, uid, gid
+
+def ownership_test(params):
+ """Save a domain to a file, check the ownership of
+ the file after save and restore
+ """
+ # Initiate and check parameters
+ params_check_result = check_params(params)
+ if params_check_result:
+ return 1
+
+ logger = params['logger']
+ guestname = params['guestname']
+ dynamic_ownership = params['dynamic_ownership']
+ use_nfs = params['use_nfs']
+
+ util = utils.Utils()
+
+ # set env
+ logger.info("prepare the environment")
+ ret = prepare_env(util, dynamic_ownership, use_nfs, logger)
+ if ret:
+ logger.error("failed to prepare the environment")
+ return 1
+
+ # Connect to local hypervisor connection URI
+ uri = util.get_uri('127.0.0.1')
+ conn = connectAPI.ConnectAPI()
+ virconn = conn.open(uri)
+
+ # save domain to the file
+ logger.info("save domain %s to the file %s" % (guestname, SAVE_FILE))
+ domobj = domainAPI.DomainAPI(virconn)
+
+ logger.info("check the domain state")
+ ret = check_domain_running(domobj, guestname, logger)
+ if ret:
+ return return_close(conn, logger, 1)
+
+ try:
+ domobj.save(guestname, SAVE_FILE)
+ logger.info("Success save domain %s to %s" % (guestname, SAVE_FILE))
+ except LibvirtAPI, e:
+ logger.error("API error message: %s, error code is %s" % \
+ (e.response()['message'], e.response()['code']))
+ logger.error("Error: fail to save domain %s to %s" % \
+ (guestname, SAVE_FILE))
+ return return_close(conn, logger, 1)
+
+ logger.info("check the ownership of %s after save" % SAVE_FILE)
+ ret, uid, gid = ownership_get(logger)
+ if use_nfs == 'enable':
+ if uid == 107 and gid == 107:
+ logger.info("As expected, the chown not change.")
+ else:
+ logger.error("The chown of %s is %s:%s, it's not as expected" % \
+ (SAVE_FILE, uid, gid))
+ return return_close(conn, logger, 1)
+ elif use_nfs == 'disable':
+ if dynamic_ownership == 'enable':
+ if uid == 0 and gid == 0:
+ logger.info("As expected, the chown changed to root:root")
+ else:
+ logger.error("The chown of %s is %s:%s, it's not as expected" % \
+ (SAVE_FILE, uid, gid))
+ return return_close(conn, logger, 1)
+ elif dynamic_ownership == 'disable':
+ if uid == 107 and gid == 107:
+ logger.info("As expected, the chown not change.")
+ else:
+ logger.error("The chown of %s is %s:%s, it's not as expected" % \
+ (SAVE_FILE, uid, gid))
+ return return_close(conn, logger, 1)
+
+ # restore domain from file
+ logger.info("restore the domain from the file")
+ try:
+ domobj.restore(guestname, SAVE_FILE)
+ logger.info("Success restore domain %s from %s" % \
+ (guestname, SAVE_FILE))
+ except LibvirtAPI, e:
+ logger.error("API error message: %s, error code is %s" % \
+ (e.response()['message'], e.response()['code']))
+ logger.error("Error: fail to restore domain %s from %s" % \
+ (guestname, SAVE_FILE))
+ return return_close(conn, logger, 1)
+
+ logger.info("check the ownership of %s after restore" % SAVE_FILE)
+ ret, uid, gid = ownership_get(logger)
+ if uid == 107 and gid == 107:
+ logger.info("As expected, the chown not change.")
+ else:
+ logger.error("The chown of %s is %s:%s, not change back as expected" % \
+ (SAVE_FILE, uid, gid))
+ return return_close(conn, logger, 1)
+
+ return return_close(conn, logger, 0)
+
+def ownership_test_clean(params):
+ """clean testing environment"""
+ logger = params['logger']
+ use_nfs = params['use_nfs']
+
+ util = utils.Utils()
+
+ if use_nfs == 'enable':
+ if os.path.ismount("/mnt"):
+ umount_cmd = "umount /mnt"
+ ret, out = util.exec_cmd(umount_cmd, shell=True)
+ if ret:
+ logger.error("Failed to unmount the nfs path")
+ for i in range(len(out)):
+ logger.error(out[i])
+
+ filepath = TEMP_FILE
+ elif use_nfs == 'disable':
+ filepath = SAVE_FILE
+
+ if os.path.exists(filepath):
+ os.remove(filepath)
+