From 14057da87c0fc304b2e8fc971ad8d2985b79db89 Mon Sep 17 00:00:00 2001 From: Pavol Ipoth Date: Fri, 15 Apr 2016 21:22:03 +0200 Subject: [PATCH] Removing, unwanted pull --- system/lvol_cache.py | 793 ------------------------------------------- 1 file changed, 793 deletions(-) delete mode 100644 system/lvol_cache.py diff --git a/system/lvol_cache.py b/system/lvol_cache.py deleted file mode 100644 index dd3f7ec2d18..00000000000 --- a/system/lvol_cache.py +++ /dev/null @@ -1,793 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- - -# (c) 2016, Pavol Ipoth -# -# This file is part of Ansible -# -# Ansible is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# Ansible is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with Ansible. If not, see . - -DOCUMENTATION = ''' ---- -author: - - "Pavol Ipoth " -module: lvol_cache -short_description: Configure Cache LVM logical volumes -description: - - This module creates, removes or resizes, converts cache logical volumes. -options: - vg: - description: - - The volume group this logical volume is part of. - required: true - lv: - description: - - The name of the logical volume. - required: true - size: - description: - - The size of the logical volume, by - default in megabytes or optionally with one of [bBsSkKmMgGtTpPeE] units; or - as a percentage of [VG|PVS|FREE]; +size is not implemented, as it is by - design not indempodent - Float values must begin with a digit. - state: - choices: [ "present", "absent" ] - default: present - description: - - Control if the logical volume exists. If C(present) the C(size) option - is required. - required: false - force: - choices: [ "yes", "no" ] - default: "no" - description: - - Shrink/extend/remove/conversion operations of volumes requires this switch. Ensures that - that filesystems get never corrupted/destroyed by mistake. - required: false - opts: - description: - - Free-form options to be passed to the lvcreate command - pvs: - description: - - Comma separated list of physical volumes /dev/sda,/dev/sdc - type: - choices: ["cache", "cache-pool", "normal"] - default: normal - description: - - Type of logical volume, cache is cached lvol, cache-pool is cache pool - supplying cached lvol, normal is lvol without any type. To create cache - lvol, cache pool must already exist - mode: - choices: ["writeback", "writethrough"] - default: writethrough - - This value is used when type is cache pool, specifies how data - are written to the lvol - pool: - description: - - This value is used when type is cache, specifies which cache pool will - be caching data for cache lvol. Must be in format vg/lv. Cache pool lvol - and cache lvol must be from same vg (this is restriction of lvm2). -notes: - - Filesystems on top of the volume are not resized. -''' - -EXAMPLES = ''' -# Create a logical volume of 512m. -- lvol: vg=firefly lv=test size=512m - -# Create a logical volume of 512g. -- lvol: vg=firefly lv=test size=512g - -# Create a logical volume the size of all remaining space in the volume group -- lvol: vg=firefly lv=test size=100%FREE - -# Create a logical volume with special options -- lvol: vg=firefly lv=test size=512g opts="-r 16" - -# Extend the logical volume to 1024m. -- lvol: vg=firefly lv=test size=1024m - -# Extend the logical volume to take all remaining space of the PVs -- lvol: vg=firefly lv=test size=100%PVS - -# Resize the logical volume to % of VG -- lvol: vg=firefly lv=test size=80%VG force=yes - -# Reduce the logical volume to 512m -- lvol: vg=firefly lv=test size=512m force=yes - -# Remove the logical volume. -- lvol: vg=firefly lv=test state=absent force=yes - -# Create cache pool logical volume of 512m. -- lvol: vg=firefly lv=testpool size=512m type=cache-pool - -# Create cache lvol testcached with cache pool firefly/testpool, -# cache pool must already exist -- lvol: vg=firefly lv=testcached size=1g type=cache pool=firefly/testpool - -# Extend cache pool to 2g, force must be yes -- lvol: vg=firefly lv=testpool size=2g type=cache-pool force=yes - -# Extend cache lvol to 5g, force must be yes -- lvol: vg=firefly lv=testcached size=5g type=cache pool=firefly/testpool force=yes - -# Convert cache lvol to normal lvol -- lvol: vg=firefly lv=testcached size=5g type=normal force=yes - -# Convert normal lvol to cache pool -- lvol: vg=firefly lv=testcached size=5g type=cache-pool force=yes - -# Convert cache pool lvol to cache lvol, you should notice that firefly/testpool -# still exists -- lvol: vg=firefly lv=testcached size=5g type=cache pool=firefly/testpool force=yes - -# Remove cache pool lvol, this also changes cache lvol to normal -- lvol: vg=firefly lv=testpool size=2g type=cache-pool state=absent force=yes -''' - -import re -# import module snippets -from ansible.module_utils.basic import * - -decimal_point = re.compile(r"(\d+\.?\d+)") - -class Vg(object): - - name = '' - size = None - unit = 'm' - free = None - vg_extent_size = None - module = None - - def __init__(self, module, vg_name, unit): - self.module = module - vg_info = self.get_vg_info(vg_name, unit) - - self.name = vg_info['name'] - self.size = vg_info['size'] - self.unit = unit - self.free = vg_info['free'] - self.vg_extent_size = vg_info['vg_extent_size'] - - def get_vg_info(self, vg_name, unit): - vgs_cmd = self.module.get_bin_path("vgs", required=True) - cmd = "%s --noheadings -o vg_name,size,free,vg_extent_size --units %s --separator ';' %s" % (vgs_cmd, unit, vg_name) - - rc, current_vgs, err = self.module.run_command(cmd) - - if rc != 0: - self.module.fail_json(msg="Volume group %s does not exist." % vg_name, rc=rc, err=err) - - parts = current_vgs.strip().split(';') - - return { - 'name': parts[0], - 'size': float(decimal_point.match(parts[1]).group(1)), - 'free': float(decimal_point.match(parts[2]).group(1)), - 'vg_extent_size': float(decimal_point.match(parts[3]).group(1)) - } - -class Lvol(object): - - name = '' - size = None - unit = 'm' - pool_lv = '' - vg = None - yes_opt = "" - cachemode = "" - module = None - - def __init__(self, module, vg_name, lv_name, unit): - self.vg = Vg(module, vg_name, unit) - self.module = module - - lv_info = self.get_lv_info(vg_name, lv_name, unit) - - self.name = lv_info['name'] - self.pool_lv = lv_info['pool_lv'] - self.size = lv_info['size'] - self.cachemode = lv_info['cachemode'] - self.unit = unit - - self.yes_opt = self.get_yes_opt(module) - - @classmethod - def exists(cls, module, vg_name, lv_name): - exists = False - lvs_cmd = module.get_bin_path("lvs", required=True) - - rc, current_lv, err = module.run_command( - "%s -a %s/%s" % (lvs_cmd, vg_name, lv_name) - ) - - if rc == 0: - exists = True - elif rc == 5 and "Failed to find logical volume" in err: - exists = False - else: - module.fail_json(msg="Unexpected error", rc=rc, err=err) - - return exists - - @classmethod - def is_cache_pool(cls, module, vg_name, lv_name): - is_cache_pool = False - lvs_cmd = module.get_bin_path("lvs", required=True) - - rc, current_lv, err = module.run_command( - "%s -a --noheadings --nosuffix -o lv_layout --separator ';' %s/%s" % (lvs_cmd, vg_name, lv_name) - ) - - if rc != 0: - module.fail_json(msg="Error", rc=rc, err=err) - - parts = current_lv.strip().split(';') - - if 'cache,pool' in parts[0]: - is_cache_pool = True - - return is_cache_pool - - @classmethod - def is_cache_lv(cls, module, vg_name, lv_name): - is_cache_lv = False - lvs_cmd = module.get_bin_path("lvs", required=True) - - rc, current_lv, err = module.run_command( - "%s -a --noheadings --nosuffix -o lv_layout --separator ';' %s/%s" % (lvs_cmd, vg_name, lv_name) - ) - - if rc != 0: - module.fail_json(msg="Error", rc=rc, err=err) - - parts = current_lv.strip().split(';') - - if 'cache' in parts[0] and 'pool' not in parts[0]: - is_cache_lv = True - - return is_cache_lv - - @classmethod - def mkversion(cls, major, minor, patch): - return (1000 * 1000 * int(major)) + (1000 * int(minor)) + int(patch) - - @classmethod - def get_lvm_version(cls, module): - ver_cmd = module.get_bin_path("lvm", required=True) - rc, out, err = module.run_command("%s version" % (ver_cmd)) - - if rc != 0: - return None - - m = re.search("LVM version:\s+(\d+)\.(\d+)\.(\d+).*(\d{4}-\d{2}-\d{2})", out) - - if not m: - return None - - return cls.mkversion(m.group(1), m.group(2), m.group(3)) - - def get_lv_info(self, vg_name, lv_name, unit): - lvs_cmd = self.module.get_bin_path("lvs", required=True) - - rc, current_lvs, err = self.module.run_command( - "%s -a --noheadings --nosuffix -o lv_name,size,pool_lv,cachemode --units %s --separator ';' %s/%s" % (lvs_cmd, unit, vg_name, lv_name) - ) - - if rc != 0: - self.module.fail_json(msg="Volume group or lvol does not exist." % vg_name, rc=rc, err=err) - - parts = current_lvs.strip().split(';') - - return { - 'name': parts[0].replace('[','').replace(']',''), - 'size': float(decimal_point.match(parts[1]).group(1)), - 'pool_lv': parts[2].replace('[','').replace(']',''), - 'cachemode': parts[3] - } - - @classmethod - def get_yes_opt(cls, module): - # Determine if the "--yes" option should be used - version_found = cls.get_lvm_version(module) - - if version_found == None: - module.fail_json(msg="Failed to get LVM version number") - - version_yesopt = cls.mkversion(2, 2, 99) # First LVM with the "--yes" option - - if version_found >= version_yesopt: - yesopt = "--yes" - else: - yesopt = "" - - return yesopt - - @classmethod - def get_size_opt(cls, requested_size): - if '%' in requested_size: - return 'l' - else: - return 'L' - - @classmethod - def calculate_size(cls, vg_free, vg_size, lv_size, size): - if '%' in size: - parts = size.split('%', 1) - size_percent = parts[0] - - size_whole = parts[1] - - if size_whole == 'VG' or size_whole == 'PVS': - size_requested = float(size_percent) * float(vg_size) / 100 - else: # size_whole == 'FREE': - size_requested = float(size_percent) * float(vg_free) / 100 - - if '+' in size: - size_requested += float(lv_size) - else: - size_requested = float(size[0:-1]) - - if '+' in size: - size_requested += float(lv_size) - - return size_requested - - @classmethod - def create_lv(cls, module, requested_size, unit, opts, vg_name, lv_name, pvs): - yes_opt = cls.get_yes_opt(module) - - lvcreate_cmd = module.get_bin_path("lvcreate", required=True) - - cmd = "%s %s -n %s -L %s%s %s %s %s" % (lvcreate_cmd, yes_opt, lv_name, requested_size, unit, opts, vg_name, pvs) - - rc, _, err = module.run_command(cmd) - - if rc != 0: - module.fail_json(msg="Creating logical volume '%s' failed" % lv_name, rc=rc, err=err) - - @classmethod - def delete_lv(cls, module, force, vg_name, lv_name): - if not force: - module.fail_json(msg="Sorry, no removal of logical volume %s without force=yes." % (lv_name)) - - lvremove_cmd = module.get_bin_path("lvremove", required=True) - rc, _, err = module.run_command("%s --force %s/%s" % (lvremove_cmd, vg_name, lv_name)) - - if rc !=0 : - module.fail_json(msg="Failed to remove logical volume %s/%s" % (vg_name, lv_name), rc=rc, err=err) - - def resize_common(self, tool, requested_size, pvs): - cmd = "%s -L %s%s %s/%s %s" % (tool, requested_size, self.unit, self.vg.name, self.name, pvs) - - rc, out, err = self.module.run_command(cmd) - - if rc != 0: - if "Reached maximum COW size" in out: - self.module.fail_json(msg="Unable to resize %s to %s%s" % (self.name, requested_size, self.unit), rc=rc, err=err, out=out) - elif "matches existing size" in err: - self.module.exit_json(changed=False, vg=self.vg.name, lv=self.name, size=self.size) - else: - self.module.fail_json(msg="Unable to resize %s to %s%s" % (self.name, requested_size, self.unit), rc=rc, err=err) - - def shrink_lv(self, force, requested_size, pvs): - if requested_size == 0: - self.module.fail_json(msg="Sorry, no shrinking of %s to 0 permitted." % (self.name)) - elif not force: - self.module.fail_json(msg="Sorry, no shrinking of %s without force=yes" % (self.name)) - else: - tool = self.module.get_bin_path("lvreduce", required=True) - tool = '%s %s' % (tool, '--force') - - self.resize_common(tool, requested_size, pvs) - - def extend_lv(self, requested_size, pvs): - if (self.vg.free > 0) and self.vg.free >= (requested_size - self.size): - tool = self.module.get_bin_path("lvextend", required=True) - else: - self.module.fail_json( - msg="Logical Volume %s could not be extended. Not enough free space left (%s%s required / %s%s available)" - % (self.name, (requested_size - self.size), self.unit, self.vg.free, self.unit) - ) - - self.resize_common(tool, requested_size, pvs) - - def resize_lv(self, force, requested_size, pvs): - if self.size < requested_size: - self.extend_lv(requested_size, pvs) - elif self.size > requested_size + self.vg.vg_extent_size: # more than an extent too large - self.shrink_lv(force, requested_size, pvs) - - self.__init__(self.module, self.vg.name, self.name, self.unit) - - def convert_to_cache(self, pool): - lvconvert_cmd = self.module.get_bin_path("lvconvert", required=True) - - rc, out, err = self.module.run_command( - "%s --type cache --cachepool %s %s/%s" % (lvconvert_cmd, pool, self.vg.name, self.name) - ) - - if rc != 0: - self.module.fail_json(msg="Converting logical volume to cache LV '%s' failed" % self.name, rc=rc, err=err) - - return CacheLvol(self.module, self.vg.name, self.name, self.unit) - - def convert_to_cache_pool(self, force, mode): - lvconvert_cmd = self.module.get_bin_path("lvconvert", required=True) - yes_opt = self.get_yes_opt(self.module) - - if not force: - self.module.fail_json(msg="Sorry, no conversion of %s to cache-pool without force=yes." % (self.name)) - - rc, out, err = self.module.run_command( - "%s %s --type cache-pool --cachemode %s %s/%s" % (lvconvert_cmd, yes_opt, mode, self.vg.name, self.name) - ) - - if rc != 0: - self.module.fail_json(msg="Converting logical volume to cache pool '%s' failed" % self.name, rc=rc, err=err) - - return CachePoolLvol(self.module, self.vg.name, self.name, self.unit) - -class CachePoolLvol(Lvol): - - @classmethod - def create_lv(cls, module, requested_size, unit, opts, vg_name, lv_name, pvs, mode): - opts += " --type cache-pool --cachemode %s" % (mode) - super(CachePoolLvol, cls).create_lv(module, requested_size, unit, opts, vg_name, lv_name, pvs) - - def get_cache_lvol_name(self): - cache_lvol_info = None - lvs_cmd = self.module.get_bin_path("lvs", required=True) - - rc, current_lvs, err = self.module.run_command( - "%s -a --noheadings --nosuffix -o lv_name,size,pool_lv --units %s --separator ';' %s" % (lvs_cmd, self.unit, self.vg.name)) - - if rc != 0: - if state == 'absent': - self.module.exit_json(changed=False, stdout="Volume group %s does not exist." % self.vg.name, stderr=False) - else: - self.module.fail_json(msg="Volume group %s does not exist." % self.vg.name, rc=rc, err=err) - - for line in current_lvs.splitlines(): - parts = line.strip().split(';') - pool = parts[2].replace('[','').replace(']','') - - if pool == self.name: - cache_lvol_info = parts[0].replace('[','').replace(']','') - - return cache_lvol_info - - def resize_lv(self, force, requested_size, pvs): - parent_cache_lvol_name = self.get_cache_lvol_name() - - self.delete_lv(self.module, force, self.vg.name, self.name) - self.create_lv(self.module, requested_size, self.unit, '', self.vg.name, self.name, pvs, self.cachemode) - - if parent_cache_lvol_name is not None: - parent_cache_lvol = Lvol(self.module, self.vg.name, parent_cache_lvol_name, self.unit) - parent_cache_lvol.convert_to_cache("%s/%s" % (self.vg.name, self.name)) - - self.__init__(self.module, self.vg.name, self.name, self.unit) - - def convert_to_cache(self, force, opts, pvs, pool): - self.delete_lv(self.module, force, self.vg.name, self.name) - CacheLvol.create_lv(self.module, self.size, self.unit, opts, self.vg.name, self.name, pvs, pool) - - return CacheLvol(self.module, self.vg.name, self.name, self.unit) - - def convert_to_normal(self, force, opts, pvs): - self.delete_lv(self.module, force, self.vg.name, self.name) - Lvol.create_lv(self.module, self.size, self.unit, opts, self.vg.name, self.name, pvs) - - return Lvol(self.module, self.vg.name, self.name, self.unit) - - def change_mode(self, force, opts, pvs, mode): - cache_lvol_name = self.get_cache_lvol_name() - - self.delete_lv(self.module, force, self.vg.name, self.name) - self.create_lv(self.module, self.size, self.unit, opts, self.vg.name, self.name, pvs, mode) - - if cache_lvol_name is not None: - lvol = Lvol(self.module, self.vg.name, cache_lvol_name, self.unit) - lvol.convert_to_cache("%s/%s" % (self.vg.name, self.name)) - - self.__init__(self.module, self.vg.name, self.name, self.unit) - -class CacheLvol(Lvol): - - @classmethod - def create_lv(cls, module, requested_size, unit, opts, vg_name, lv_name, pvs, pool): - opts += " --type cache --cachepool %s" % (pool) - super(CacheLvol, cls).create_lv(module, requested_size, unit, opts, vg_name, lv_name, pvs) - - def shrink_cache_lv(self, force, requested_size, pvs): - self.split_cache_lv() - self.shrink_lv(force, requested_size, pvs) - self.attach_cache_lv() - - def extend_cache_lv(self, requested_size, pvs): - self.split_cache_lv() - self.extend_lv(requested_size, pvs) - self.attach_cache_lv() - - def convert_to_normal(self): - lvconvert_cmd = self.module.get_bin_path("lvconvert", required=True) - lvsplit_cmd = "%s --splitcache %s/%s" % (lvconvert_cmd, self.vg.name, self.name) - - rc, _, err = self.module.run_command(lvsplit_cmd) - - if rc != 0: - self.module.fail_json(msg="Spliting cache from logical volume '%s' failed" % self.name, rc=rc, err=err) - - return Lvol(self.module, self.vg.name, self.name, self.unit) - - def split_cache_lv(self): - lvconvert_cmd = self.module.get_bin_path("lvconvert", required=True) - lvsplit_cmd = "%s --splitcache %s/%s" % (lvconvert_cmd, self.vg.name, self.name) - - rc, _, err = self.module.run_command(lvsplit_cmd) - - if rc != 0: - self.module.fail_json(msg="Spliting cache from logical volume '%s' failed" % self.name, rc=rc, err=err) - - def attach_cache_lv(self): - lvconvert_cmd = self.module.get_bin_path("lvconvert", required=True) - lvattach_cmd = "%s --type cache --cachepool %s %s/%s" % (lvconvert_cmd, self.pool_lv, self.vg.name, self.name) - - rc, _, err = self.module.run_command(lvattach_cmd) - - if rc != 0: - self.module.fail_json(msg="Attaching cache %s to logical volume %s failed" % (self.pool_lv, self.name), rc=rc, err=err) - - def resize_lv(self, force, requested_size, pvs): - if self.size < requested_size: - self.extend_cache_lv(requested_size, pvs) - elif self.size > requested_size + self.vg.vg_extent_size: # more than an extent too large - self.shrink_cache_lv(force, requested_size, pvs) - - def convert_to_cache_pool(self, force, mode): - lvol = self.convert_to_normal() - cachePoolLvol = lvol.convert_to_cache_pool(force, mode) - - return cachePoolLvol - - def change_pool(self, pool): - lvol = self.convert_to_normal() - lvol.convert_to_cache(pool) - - self.__init__(self.module, self.vg.name, self.name, self.unit) - -def validate_size(module, size): - if '%' in size: - size_parts = size.split('%', 1) - size_percent = int(size_parts[0]) - - if size_percent > 100: - module.fail_json(msg="Size percentage cannot be larger than 100%") - - size_whole = size_parts[1] - - if size_whole == 'ORIGIN': - module.fail_json(msg="Snapshot Volumes are not supported") - elif size_whole not in ['VG', 'PVS', 'FREE']: - module.fail_json(msg="Specify extents as a percentage of VG|PVS|FREE") - - if not '%' in size: - if size[-1].lower() in 'bskmgtpe': - size = size[0:-1] - else: - module.fail_json(msg="Invalid units for size: %s" % size) - - try: - float(size) - if not size[0].isdigit(): raise ValueError() - except ValueError: - module.fail_json(msg="Bad size specification of '%s'" % size) - -def main(): - module = AnsibleModule( - argument_spec=dict( - vg=dict(required=True), - lv=dict(required=True), - size=dict(type='str'), - opts=dict(type='str'), - state=dict(choices=["absent", "present"], default='present'), - force=dict(type='bool', default='no'), - pvs=dict(type='str'), - type=dict(choices=["cache", "cache-pool", "normal"], default="normal"), - mode=dict(choices=["writeback", "writethrough"], default='writethrough'), - pool=dict(type='str') - ), - supports_check_mode=True, - ) - - vg = module.params['vg'] - lv = module.params['lv'] - size = module.params['size'] - opts = module.params['opts'] - state = module.params['state'] - force = module.boolean(module.params['force']) - pvs = module.params['pvs'] - type = module.params['type'] - mode = module.params['mode'] - pool = module.params['pool'] - - if size: validate_size(module, size) - - if pvs is None: - pvs = "" - else: - pvs = pvs.replace(",", " ") - - if opts is None: - opts = "" - - # when no unit, megabytes by default - if '%' in size: - unit = 'm' - else: - unit = size[-1].lower() - - changed = False - msg = '' - - if type == 'cache' and not pool: - module.fail_json(msg="You must specify also pool when type is cache") - - if state == 'present' and not size: - if not Lvol.exists(module, vg, lv): - module.fail_json(msg="No size given.") - else: - module.exit_json(changed=False, vg=vg, lv=lv, size=vg) - - vg_obj = Vg(module, vg, unit) - - if not Lvol.exists(module, vg, lv): - if state == 'present': - if module.check_mode: - changed = True - else: - requested_size = Lvol.calculate_size(vg_obj.free, vg_obj.size, 0, size) - - if type != "normal": - if type == 'cache': - CacheLvol.create_lv(module, requested_size, unit, opts, vg, lv, pvs, pool) - elif type == 'cache-pool': - CachePoolLvol.create_lv(module, requested_size, unit, opts, vg, lv, pvs, mode) - else: - Lvol.create_lv(module, requested_size, unit, opts, vg, lv, pvs) - - changed = True - msg="Volume %s/%s created" % (vg, lv) - else: - if state == 'absent': - if module.check_mode: - module.exit_json(changed=True) - else: - if Lvol.is_cache_lv(module, vg, lv): - cacheLvol = CacheLvol(module, vg, lv, unit) - lvol = cacheLvol.convert_to_normal() - - changed = True - msg = "Volume %s converted to normal LV to %s." % (lv, size) - - Lvol.delete_lv(module, force, vg, lv) - - changed = True - msg += "Volume %s/%s deleted." % (vg, lv) - else: - if module.check_mode: - changed = True - else: - if type != "normal": - if type == 'cache': - if not Lvol.is_cache_lv(module, vg, lv): - if Lvol.is_cache_pool(module, vg, lv): - cachePoolLvol = CachePoolLvol(module, vg, lv, unit) - cacheLvol = cachePoolLvol.convert_to_cache(force, opts, pvs, pool) - else: - lvol = Lvol(module, vg, lv, unit) - cacheLvol = lvol.convert_to_cache(pool) - - changed = True - msg = "Volume %s converted to cache LV to %s." % (lv, size) - else: - cacheLvol = CacheLvol(module, vg, lv, unit) - - requested_size = cacheLvol.calculate_size(vg_obj.free, vg_obj.size, cacheLvol.size, size) - lvol_size_min = cacheLvol.size - vg_obj.vg_extent_size - lvol_size_max = cacheLvol.size + vg_obj.vg_extent_size - - current_pool = "%s/%s" % (cacheLvol.vg.name, cacheLvol.pool_lv) - - if pool != current_pool: - cacheLvol.change_pool(pool) - - changed = True - msg += "Changed pool of %s to %s." % (lv, pool) - - if not (lvol_size_min <= requested_size <= lvol_size_max): - cacheLvol.resize_lv(force, requested_size, pvs) - - changed = True - msg += "Volume %s resized to %s." % (lv, size) - - elif type == 'cache-pool': - if not Lvol.is_cache_pool(module, vg, lv): - if Lvol.is_cache_lv(module, vg, lv): - cacheLvol = CacheLvol(module, vg, lv, unit) - cachePoolLvol = cacheLvol.convert_to_cache_pool(force, mode) - else: - lvol = Lvol(module, vg, lv, unit) - cachePoolLvol = lvol.convert_to_cache_pool(force, mode) - - changed = True - msg = "Volume %s converted to cache pool to %s." % (lv, size) - else: - cachePoolLvol = CachePoolLvol(module, vg, lv, unit) - - requested_size = cachePoolLvol.calculate_size(vg_obj.free, vg_obj.size, cachePoolLvol.size, size) - lvol_size_min = cachePoolLvol.size - vg_obj.vg_extent_size - lvol_size_max = cachePoolLvol.size + vg_obj.vg_extent_size - - if mode != cachePoolLvol.cachemode: - cachePoolLvol.change_mode(force, opts, pvs, mode) - - changed = True - msg += "Changed pool mode of %s to %s." % (lv, mode) - - if not (lvol_size_min <= requested_size <= lvol_size_max): - cachePoolLvol.resize_lv(force, requested_size, pvs) - - changed = True - msg += "Volume %s resized to %s." % (lv, size) - else: - if Lvol.is_cache_lv(module, vg, lv): - cacheLvol = CacheLvol(module, vg, lv, unit) - lvol = cacheLvol.convert_to_normal() - - changed = True - msg = "Volume %s converted to normal LV to %s." % (lv, size) - elif Lvol.is_cache_pool(module, vg, lv): - cachePoolLvol = CachePoolLvol(module, vg, lv, unit) - cache_lvol_name = cachePoolLvol.get_cache_lvol_name() - - if cache_lvol_name is not None: - cacheLvol = CacheLvol(module, vg, cache_lvol_name, unit) - lvol = cacheLvol.convert_to_normal() - else: - lvol = cachePoolLvol.convert_to_normal(force, opts, pvs) - - changed = True - msg += "Volume %s converted to normal LV to %s." % (lv, size) - else: - lvol = Lvol(module, vg, lv, unit) - - requested_size = lvol.calculate_size(vg_obj.free, vg_obj.size, lvol.size, size) - lvol_size_min = lvol.size - vg_obj.vg_extent_size - lvol_size_max = lvol.size + vg_obj.vg_extent_size - - if not (lvol_size_min <= requested_size <= lvol_size_max): - lvol.resize_lv(force, requested_size, pvs) - - changed = True - msg += "Volume %s resized to %s." % (lv, size) - - module.exit_json(changed=changed, msg=msg) - -if __name__ == '__main__': - main()