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oracle_acfs
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oracle_acfs
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#!/usr/bin/python
# -*- coding: utf-8 -*-
DOCUMENTATION = '''
---
module: oracle_acfs
short_description: Manage diskgroups in an Oracle database
description:
- Manage ACFS filesystems
version_added: "2.1.0.0"
options:
volume_name:
description:
- The name of volume
required: true
default: None
aliases: ['volume','volume_name']
diskgroup:
state:
description:
- The intended state of the diskgroup. 'status' will just show the status of the diskgroup
default: present
choices: ['present','absent','status']
username:
description:
- The ASM username
required: false
default: sys
aliases: ['un']
password:
description:
- The password for the ASM user
required: false
default: None
aliases: ['pw']
service_name:
description:
- The diskgroup_name to connect to the database if using dbms_diskgroup.
required: false
default: +ASM
aliases: ['sn']
hostname:
description:
- The host of the database if using dbms_diskgroup
required: false
default: localhost
aliases: ['host']
port:
description:
- The listener port to connect to the database if using dbms_diskgroup
required: false
default: 1521
oracle_home:
description:
- The GI ORACLE_HOME
required: false
default: None
aliases: ['oh']
notes:
- cx_Oracle needs to be installed
requirements: [ "cx_Oracle" ]
author: Mikael Sandström, [email protected], @oravirt
'''
EXAMPLES = '''
'''
import os
try:
import cx_Oracle
except ImportError:
cx_oracle_exists = False
else:
cx_oracle_exists = True
# Check if the diskgroup exists
def check_volume_exists(cursor, module, msg, name, diskgroup):
sql = '''
select count (*) from v$asm_volume v,v$asm_diskgroup g
where v.group_number = g.group_number
and lower (g.name) = \'%s\'
and lower (v.volume_name) = \'%s\'
''' % (diskgroup.lower(),name.lower())
result = execute_sql_get(module, msg, cursor, sql)
#msg = 'Normal Result is: %s, [0] is: %s, [0][0] is: %s, len is: %s, type is: %s' % (result,result[0],result[0][0],len(result), type(result))
#module.exit_json(msg=msg)
if result[0][0] > 0:
return True
else:
return False
def add_filesystem(cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint, mountowner, mountgroup, mountperm, mountusers):
device_sql = '''
select volume_device from v$asm_volume v,v$asm_diskgroup g
where v.group_number = g.group_number
and lower (g.name) = \'%s\'
and lower (v.volume_name) = \'%s\'
''' % (diskgroup.lower(),volume_name.lower())
# module.exit_json(msg=device_sql, changed=False)
_device_name = execute_sql_get(module,msg,cursor,device_sql)
if not _check_filesystem_exist(cursor, module, msg, oracle_home, _device_name):
if _format_filesystem(module,msg,_device_name[0][0]):
command = '''
%s/bin/srvctl add filesystem -device %s -path %s
-user %s -mountowner %s -mountgroup %s
-mountperm %s -fstype ACFS
''' % (oracle_home,_device_name[0][0],mountpoint,mountusers, mountowner, mountgroup, mountperm)
(rc, stdout, stderr) = module.run_command(command)
if rc != 0:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
else:
# msg = 'Filesystem: %s already exists on volume: %s (%s)' % (mountpoint,volume_name.upper(),_device_name[0][0])
# module.exit_json(msg=msg, changed=False)
return True
def ensure_filesystem (cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint, mountowner, mountgroup, mountperm, mountusers):
if state == 'present':
if _start_filesystem(cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint):
msg = 'Filesystem %s successfully started' % (mountpoint)
module.exit_json(msg=msg, changed=True)
elif state == 'absent':
if _stop_filesystem(cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint):
msg = 'Filesystem %s successfully stopped' % (mountpoint)
module.exit_json(msg=msg, changed=True)
def _check_filesystem_exist(cursor, module, msg, oracle_home, _device_name):
checkcommand = '%s/bin/srvctl status filesystem -device %s' % (oracle_home,_device_name[0][0])
(rc, stdout, stderr) = module.run_command(checkcommand)
if rc != 0:
if 'PRCA-1070' in stdout:
return False
else:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
def _start_filesystem(cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint):
command = '%s/bin/srvctl start filesystem -diskgroup %s -volume %s' % (oracle_home,diskgroup,volume_name)
(rc, stdout, stderr) = module.run_command(command)
if rc != 0:
if 'CRS-5702' in stdout:
msg = 'Filesystem %s already running' % (mountpoint)
module.exit_json(msg=msg, changed=False)
else:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
def _stop_filesystem (cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint):
command = '%s/bin/srvctl stop filesystem -device %s' % (oracle_home,diskgroup, volume_name)
(rc, stdout, stderr) = module.run_command(command)
if rc != 0:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
def _remove_filesystem(module, msg, _device_name):
command = '%s/bin/srvctl remove filesystem -device %s' % (oracle_home,_device_name[0][0])
(rc, stdout, stderr) = module.run_command(command)
if rc != 0:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
def _format_filesystem(module, msg, _device_name):
command = '/usr/sbin/mkfs -t acfs %s' % (_device_name)
(rc, stdout, stderr) = module.run_command(command)
if rc != 0:
if 'ACFS-01010' in stderr: # <-- Device already formatted
return True
else:
msg = 'Error, stdout: %s, stderr: %s, command is %s' % (stdout, stderr, command)
module.fail_json(msg=msg, changed=False)
else:
return True
def execute_sql_get(module, msg, cursor, sql):
#module.exit_json(msg="In execute_sql_get", changed=False)
try:
cursor.execute(sql)
result = (cursor.fetchall())
except cx_Oracle.DatabaseError as exc:
error, = exc.args
msg = 'Something went wrong while executing sql_get - %s sql: %s' % (error.message, sql)
module.fail_json(msg=msg, changed=False)
return False
return result
def execute_sql(module, msg, cursor, sql):
try:
cursor.execute(sql)
except cx_Oracle.DatabaseError as exc:
error, = exc.args
msg = 'Something went wrong while executing sql - %s sql: %s' % (error.message, sql)
module.fail_json(msg=msg, changed=False)
return False
return True
def main():
msg = ''
cursor = None
mode = 'sysasm'
global state
module = AnsibleModule(
argument_spec = dict(
volume_name = dict(required=True, aliases = ['volume']),
diskgroup = dict(required=False, aliases = ['dg']),
mountpoint = dict(required=True, aliases = ['mntp']),
mountowner = dict(required=False),
mountgroup = dict(required=False),
mountperm = dict(required=False),
mountusers = dict(required=False),
state = dict(default="present", choices = ["present", "absent", "stopped", "started"]),
user = dict(required=False, aliases = ['un','username']),
password = dict(required=False, no_log=True, aliases = ['pw']),
hostname = dict(required=False, default = 'localhost', aliases = ['host']),
port = dict(required=False, default = 1521),
service_name = dict(required=False, default = '+ASM', aliases = ['sn']),
oracle_home = dict(required=False, aliases = ['oh']),
),
)
volume_name = module.params["volume_name"]
diskgroup = module.params["diskgroup"]
mountpoint = module.params["mountpoint"]
mountowner = module.params["mountowner"]
mountgroup = module.params["mountgroup"]
mountperm = module.params["mountperm"]
mountusers = module.params["mountusers"]
state = module.params["state"]
user = module.params["user"]
password = module.params["password"]
hostname = module.params["hostname"]
port = module.params["port"]
service_name = module.params["service_name"]
oracle_home = module.params["oracle_home"]
if not cx_oracle_exists:
msg = "The cx_Oracle module is required. 'pip install cx_Oracle' should do the trick. If cx_Oracle is installed, make sure ORACLE_HOME & LD_LIBRARY_PATH is set"
module.fail_json(msg=msg)
wallet_connect = '/@%s' % service_name
try:
if (not user and not password) : # If neither user or password is supplied, the use of an oracle wallet is assumed
connect = wallet_connect
conn = cx_Oracle.connect(wallet_connect, mode=cx_Oracle.SYSASM)
elif (user and password):
dsn = cx_Oracle.makedsn(host=hostname, port=port, service_name=service_name)
connect = dsn
conn = cx_Oracle.connect(user, password, dsn, mode=cx_Oracle.SYSASM)
elif (not(user) or not(password)):
module.fail_json(msg='Missing username or password for cx_Oracle')
except cx_Oracle.DatabaseError as exc:
error, = exc.args
msg = 'Could not connect to ASM: %s, connect descriptor: %s' % (error.message, connect)
module.fail_json(msg=msg, changed=False)
cursor = conn.cursor()
if state == 'present':
if check_volume_exists(cursor, module, msg, volume_name, diskgroup):
if add_filesystem (cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint, mountowner, mountgroup, mountperm, mountusers):
# msg = 'Successfully added filesystem %s in volume %s' % (mountpoint, volume_name.upper())
# module.exit_json(msg=msg, changed=True)
ensure_filesystem (cursor, module, msg, oracle_home, volume_name, diskgroup, mountpoint, mountowner, mountgroup, mountperm, mountusers)
else:
msg = 'say what?!'
module.fail_json(msg=msg, changed=False)
# else:
# ensure_diskgroup_state(cursor, module, msg, name, state, disks, attribute_name, attribute_value)
elif state == 'absent' :
if check_diskgroup_exists(cursor, module, msg, name):
if remove_diskgroup(cursor, module, msg, oracle_home, name):
msg = 'Diskgroup %s successfully removed' % (name)
module.exit_json(msg=msg, changed=True)
else:
module.exit_json(msg=msg, changed=False)
else:
msg = 'Diskgroup %s doesn\'t exist' % (name)
module.exit_json(msg=msg, changed=False)
module.fail_json(msg="Unhandled exit", changed=False)
from ansible.module_utils.basic import *
if __name__ == '__main__':
main()