def infer_oracle_home(primary_host, instance_name, oratab_file):
global oracle_home
is_valid = True
cmd = '/usr/bin/ssh %s ls -l %s' % (primary_host, oratab_file)
output, errors, rc = ostools.run_command(cmd)
if rc != 0:
return False, 'Unable to reference standard oratab file location on primary host\n'
filename = output.strip().split().pop()
if filename != oratab_file:
steplog.error('Standard path for oratab file of: %s not valid\n' % oratab_file)
is_valid = False
cmd = '/usr/bin/ssh %s /bin/cat %s' % (primary_host, oratab_file)
output, errors, rc = ostools.run_command(cmd)
if rc != 0:
steplog.error("Oratab file not accessible for unknown reason.")
is_valid = False
entries = [line.strip() for line in output.split('\n')]
matches = [entry.split(':')[1] for entry in entries
if entry.split(':')[0] == instance_name]
if not matches:
steplog.error('Unable to match any oratab entries to target instance name: %s\n' % instance_name)
is_valid = False
oracle_home = matches[0] # take the oracle_home value for first instance that matched
return is_valid, "Completed Oratab file validation and ORACLE_HOME discovery"
def shutdown_software(db2_install, states):
db2_install.force_applications_shutdown()
db2_install.terminate_instances()
db2_install.set_instance_up_down_states(offs=states['Up Instances'])
db2_install.set_instance_license_daemon_states(offs=states['Up LICDs'])
if states['Is DAS Up']:
db2_install.das.up_down = 'down'
if ostype.is_aix():
ostools.run_command('/usr/sbin/slibclean')
auto_starts = states['Auto Starts']
if auto_starts:
db2_install.set_auto_start_states(offs=auto_starts)
db2_install.ip_clean_instances()
def get_uncompressed_binary_file_size(file = None):
file = "v10.5_linuxx64_server.tar.gz"
keys = []
values = []
if not file:
raise "Value Error. No input file is provided"
else:
command = 'gzip -l %s' % file
steplog.info("command : %s" % command)
out, err, rc = ostools.run_command(command)
print "output : %s " % out
print "error : %s " % err
print "rc : %s " % rc
if rc == 0:
for line in out.readline():
if "compressed" in line:
keys = line.split()
else:
values = line.split()
if keys and values:
bin_size_dict = dict(zip(keys, values))
compressed_size = keys['compressed']
uncompressed_size = keys['uncompressed']
print "compressed_size : %s " % compressed_size
print "uncompressed_size : %s" % uncompressed_size
def get_installed_fixpack_version(install_path):
cmd = os.path.join(install_path, "bin", "db2level")
(out, err, rc) = ostools.run_command(cmd)
dat = " ".join(out.splitlines())
pat = re.compile(r'Fix\s+Pack\s+\"(\d+)\"')
x = pat.search(dat)
if x is None:
raise EnvironmentError("Invalid output from db2level")
return x.group(1)
def get_installed_fixpack_build(install_path):
cmd = os.path.join(install_path, "bin", "db2level")
out, err, rc = ostools.run_command(cmd)
lines = " ".join(out.splitlines())
match = re.compile(r'special_(\d+)')
match_found = match.search(lines)
if match_found:
return match_found.group(1)
else:
return ''
def validate_db2_installation(db2_home=None):
"""
To validate and ensure that if the current db2 installation is good without any binary file corruption.
"""
print threading.currentThread().getName(), 'Starting'
if not os.path.exists(db2_home):
return False, "Invalid DB2 installation location specified. Please check"
if not os.path.exists(os.path.join(db2_home, 'bin', 'db2')):
return False, "Could not find DB2 command line processor. Installation might have been corrupted or incomplete"
db2valpath = os.path.join(db2_home, 'bin', 'db2val')
if not os.path.exists(db2valpath):
return True, "db2val utility is not available for the current DB2 installation version. db2val cannot be run. Skipping this ..."
else:
out, err, rc = ostools.run_command(
os.path.join(db2_home, "bin", "db2val"))
if rc:
return False, "Failed to run db2val to verify DB2 installation"
if re.search("db2val command completed successfully. You may proceed",
out):
return True, "DB2 Installation found"
return False, "Invalid DB2 Installation Directory specified"
def get_scan_port(oracle_home, host=None, user=None):
"""
Gets the RAC scan name
"""
env_str = oracletools.get_oracle_env_string(oracle_home)
if host:
command = 'ssh %s "%s; %s/bin/srvctl config scan_listener"' % (
host, env_str, oracle_home)
else:
command = "%s; %s/bin/srvctl config scan_listener" % (env_str,
oracle_home)
if user:
output, err, rc = ostools.sudo_run_command(command, user=user)
else:
output, err, rc = ostools.run_command(command)
if rc != 0:
raise ValueError('Unable to run srvctl config scan command')
m = re.search("TCP:(.*)", output, re.IGNORECASE)
if not m:
raise ValueError('Unable to find scan port')
steplog.debug("RAC Scan name = %s" % m.group(1))
return m.group(1)
def update_listenerora_all_nodes(primary_hosts, standby_hosts, status):
is_valid = True
# Algorithm:
# If the Listener entry or LISTENER_SCAN1 entry are missing, add them.
# Next:
# For each line in the listener.ora file (or the defaults added) that
# starts with 'LISTENER' there must be a SID_LIST_%s % <that listener
# name> with the appropriate details.
for index, host in enumerate(primary_hosts + standby_hosts):
steplog.debug('host: %r' % host)
if host in standby_hosts:
n = index + 1 - len(primary_hosts)
prefix_sid_listener = STANDBY_PREFIX
else:
n = index + 1
prefix_sid_listener = ''
if ENV_TYPE == 'GRID_CLUSTER':
instance = ORACLE_SID[:-1] + str(n)
else:
instance = ORACLE_SID
listener_lines = []
amended_content = []
catter = '/bin/cat %s' % lsnr_file_location
out, err, rc = ostools.run_command(catter, host=host)
if rc != 0:
steplog.error('Failed to execute %s command on server %s' %
(catter, host))
is_valid = False
status[host] = False
else:
lf_lines = out.split('\n')
listener_lines = [
line for line in lf_lines
if line.strip() and not line.startswith('ADR_BASE') and
not line.startswith('SID_LIST') and line[0] not in [' ', '#']
]
# Add defaults, unless there was an error executing the command above
if len(listener_lines) == 0 and is_valid:
listener_augment = LISTENER_ENTRY % ('LISTENER', DB_UNIQUE_NAME,
ORACLE_SID)
default_scan_lsnr_augment = LISTENER_ENTRY % (
'LISTENER_SCAN1', DB_UNIQUE_NAME, ORACLE_SID)
steplog.debug(
'No listener information found in listener.ora on host %s' %
host)
# Add default, add it to the listener lines too so that
# sid_list_listener lines get created as well.
amended_content.append(listener_augment)
listener_lines.append(listener_augment)
# TO RE-EVALUATE !!!!
if ENV_TYPE == 'GRID_CLUSTER':
amended_content.append(default_scan_lsnr_augment)
listener_lines.append(default_scan_lsnr_augment)
for line in listener_lines:
line_items = [x.strip() for x in line.split('=')]
lsnr_name = line_items[0]
steplog.debug('lsnr_name: %r' % lsnr_name)
dg_broker_desc = SID_LISTENER_DESC % (
"%s%s_DGMGRL" % (prefix_sid_listener, DB_UNIQUE_NAME), "%s%s" %
(prefix_sid_listener, instance))
instance_desc = SID_LISTENER_DESC % (
"%s%s" % (prefix_sid_listener, DB_UNIQUE_NAME), "%s%s" %
(prefix_sid_listener, instance))
s_lsnr_augment = SID_LISTENER_ENTRY % (lsnr_name, dg_broker_desc +
instance_desc)
# remove any already existing same SID_LIST_LISTENER entry of the corresponding listener in listener.ora file
sid_list_listener_pattern = "SID_LIST_%s\s*=\s*\(SID_LIST" % lsnr_name
removed = oracletools.remove_existing_network_config(
lsnr_file_location, sid_list_listener_pattern, host)
while removed:
removed = oracletools.remove_existing_network_config(
lsnr_file_location, sid_list_listener_pattern, host)
# add this entry to listener.ora file
amended_content.append(s_lsnr_augment)
ok = True
if len(amended_content) > 0:
ok = ostools.write_file_remote(lsnr_file_location,
'\n'.join(amended_content),
host,
append=True)
if asm_user:
ostools.set_file_owner(lsnr_file_location, asm_user, host)
else:
ostools.set_file_owner(lsnr_file_location, ORACLE_USER, host)
if not ok or not is_valid:
status[host] = False
is_valid = False
steplog.error('Failed attempt to augment listener.ora on host %r' %
host)
return is_valid
