mirror of
https://github.com/ansible-collections/community.general.git
synced 2024-09-14 20:13:21 +02:00
add more support for different size formats
This commit is contained in:
parent
6304b7e793
commit
f000dcd526
1 changed files with 67 additions and 18 deletions
|
@ -37,7 +37,10 @@ options:
|
|||
required: true
|
||||
size:
|
||||
description:
|
||||
- The size of the logical volume in megabytes.
|
||||
- The size of the logical volume, according to lvcreate(8) --size, by
|
||||
default in megabytes or optionally with one of [bBsSkKmMgGtTpPeE] units; or
|
||||
according to lvcreate(8) --extents as a percentage of [VG|PVS|FREE];
|
||||
resizing is not supported with percentages.
|
||||
state:
|
||||
choices: [ "present", "absent" ]
|
||||
default: present
|
||||
|
@ -52,6 +55,12 @@ EXAMPLES = '''
|
|||
# Create a logical volume of 512m.
|
||||
- lvol: vg=firefly lv=test size=512
|
||||
|
||||
# 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
|
||||
|
||||
# Extend the logical volume to 1024m.
|
||||
- lvol: vg=firefly lv=test size=1024
|
||||
|
||||
|
@ -92,9 +101,44 @@ def main():
|
|||
module.fail_json(msg="No size given.")
|
||||
|
||||
if size:
|
||||
size = int(size)
|
||||
# LVCREATE(8) -l --extents option with percentage
|
||||
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")
|
||||
size_opt = 'l'
|
||||
size_unit = ''
|
||||
|
||||
rc,current_lvs,err = module.run_command("lvs --noheadings -o lv_name,size --units m --separator ';' %s"%(vg))
|
||||
# LVCREATE(8) -L --size option unit
|
||||
elif size[-1].isalpha():
|
||||
if size[-1] in 'bBsSkKmMgGtTpPeE':
|
||||
size_unit = size[-1]
|
||||
if size[0:-1].isdigit():
|
||||
size = int(size[0:-1])
|
||||
else:
|
||||
module.fail_json(msg="Bad size specification for unit %s" % size_unit)
|
||||
size_opt = 'L'
|
||||
else:
|
||||
module.fail_json(msg="Size unit should be one of [bBsSkKmMgGtTpPeE]")
|
||||
# when no unit, megabytes by default
|
||||
elif size.isdigit():
|
||||
size_unit = 'm'
|
||||
size = int(size)
|
||||
size_opt = 'L'
|
||||
else:
|
||||
module.fail_json(msg="Bad size specification")
|
||||
|
||||
if size_opt == 'l':
|
||||
unit = 'm'
|
||||
else:
|
||||
unit = size_unit
|
||||
rc,current_lvs,err = module.run_command("lvs --noheadings -o lv_name,size --units %s --separator ';' %s" % (unit, vg))
|
||||
|
||||
if rc != 0:
|
||||
module.fail_json(msg="Volume group %s does not exist."%vg, rc=rc, err=err)
|
||||
|
@ -110,13 +154,14 @@ def main():
|
|||
else:
|
||||
this_lv = None
|
||||
|
||||
msg = ''
|
||||
if this_lv is None:
|
||||
if state == 'present':
|
||||
### create LV
|
||||
if module.check_mode:
|
||||
changed = True
|
||||
else:
|
||||
rc,_,err = module.run_command("lvcreate -n %s -L %sm %s"%(lv, size, vg))
|
||||
rc,_,err = module.run_command("lvcreate -n %s -%s %s%s %s"%(lv, size_opt, size, size_unit, vg))
|
||||
if rc == 0:
|
||||
changed = True
|
||||
else:
|
||||
|
@ -131,24 +176,28 @@ def main():
|
|||
module.exit_json(changed=True)
|
||||
else:
|
||||
module.fail_json(msg="Failed to remove logical volume %s"%(lv),rc=rc, err=err)
|
||||
### resize LV
|
||||
tool = None
|
||||
if size > this_lv['size']:
|
||||
tool = 'lvextend'
|
||||
elif size < this_lv['size']:
|
||||
tool = 'lvreduce --force'
|
||||
|
||||
if tool:
|
||||
if module.check_mode:
|
||||
changed = True
|
||||
else:
|
||||
rc,_,err = module.run_command("%s -L %sm %s/%s"%(tool, size, vg, this_lv['name']))
|
||||
if rc == 0:
|
||||
elif size_opt == 'l':
|
||||
module.exit_json(changed=False, msg="Resizing extents with percentage not supported.")
|
||||
else:
|
||||
### resize LV
|
||||
tool = None
|
||||
if size > this_lv['size']:
|
||||
tool = 'lvextend'
|
||||
elif size < this_lv['size']:
|
||||
tool = 'lvreduce --force'
|
||||
|
||||
if tool:
|
||||
if module.check_mode:
|
||||
changed = True
|
||||
else:
|
||||
module.fail_json(msg="Unable to resize %s to %sm."%(lv,size),rc=rc,err=err)
|
||||
rc,_,err = module.run_command("%s -%s %s%s %s/%s"%(tool, size_opt, size, size_unit, vg, this_lv['name']))
|
||||
if rc == 0:
|
||||
changed = True
|
||||
else:
|
||||
module.fail_json(msg="Unable to resize %s to %s%s"%(lv,size,size_unit),rc=rc,err=err)
|
||||
|
||||
module.exit_json(changed=changed)
|
||||
module.exit_json(changed=changed,msg=msg)
|
||||
|
||||
# this is magic, see lib/ansible/module_common.py
|
||||
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
|
||||
|
|
Loading…
Reference in a new issue