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Merge pull request #6158 from risaacson/issues_5165

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If you try to resize a lvol to the current size return a changed=False and don't fail.
This commit is contained in:
Michael DeHaan 2014-02-24 19:17:43 -05:00
commit 05bf80751b
1 changed files with 26 additions and 15 deletions
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41
library/system/lvol
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@ -72,8 +72,10 @@ EXAMPLES = '''
''' '''
import re import re
decimal_point = re.compile(r"(\.|,)") decimal_point = re.compile(r"(\.|,)")
def parse_lvs(data): def parse_lvs(data):
lvs = [] lvs = []
for line in data.splitlines(): for line in data.splitlines():
@ -84,9 +86,10 @@ def parse_lvs(data):
}) })
return lvs return lvs
def main(): def main():
module = AnsibleModule( module = AnsibleModule(
argument_spec = dict( argument_spec=dict(
vg=dict(required=True), vg=dict(required=True),
lv=dict(required=True), lv=dict(required=True),
size=dict(), size=dict(),
@ -102,13 +105,10 @@ def main():
size_opt = 'L' size_opt = 'L'
size_unit = 'm' size_unit = 'm'
if state=='present' and not size:
module.fail_json(msg="No size given.")
if size: if size:
# LVCREATE(8) -l --extents option with percentage # LVCREATE(8) -l --extents option with percentage
if '%' in size: if '%' in size:
size_parts = size.split('%',1) size_parts = size.split('%', 1)
size_percent = int(size_parts[0]) size_percent = int(size_parts[0])
if size_percent > 100: if size_percent > 100:
module.fail_json(msg="Size percentage cannot be larger than 100%") module.fail_json(msg="Size percentage cannot be larger than 100%")
@ -141,13 +141,15 @@ def main():
unit = 'm' unit = 'm'
else: else:
unit = size_unit unit = size_unit
rc,current_lvs,err = module.run_command("lvs --noheadings -o lv_name,size --units %s --separator ';' %s" % (unit, vg))
rc, current_lvs, err = module.run_command(
"lvs --noheadings -o lv_name,size --units %s --separator ';' %s" % (unit, vg))
if rc != 0: if rc != 0:
if state == 'absent': if state == 'absent':
module.exit_json(changed=False,stdout="Volume group %s does not exist." % vg, stderr=False) module.exit_json(changed=False, stdout="Volume group %s does not exist." % vg, stderr=False)
else: else:
module.fail_json(msg="Volume group %s does not exist."%vg, rc=rc, err=err) module.fail_json(msg="Volume group %s does not exist." % vg, rc=rc, err=err)
changed = False changed = False
@ -160,6 +162,12 @@ def main():
else: else:
this_lv = None this_lv = None
if state == 'present' and not size:
if this_lv is None:
module.fail_json(msg="No size given.")
else:
module.exit_json(changed=False, vg=vg, lv=this_lv['name'], size=this_lv['size'])
msg = '' msg = ''
if this_lv is None: if this_lv is None:
if state == 'present': if state == 'present':
@ -167,21 +175,21 @@ def main():
if module.check_mode: if module.check_mode:
changed = True changed = True
else: else:
rc,_,err = module.run_command("lvcreate -n %s -%s %s%s %s"%(lv, size_opt, size, size_unit, vg)) rc, _, err = module.run_command("lvcreate -n %s -%s %s%s %s" % (lv, size_opt, size, size_unit, vg))
if rc == 0: if rc == 0:
changed = True changed = True
else: else:
module.fail_json(msg="Creating logical volume '%s' failed"%(lv), rc=rc, err=err) module.fail_json(msg="Creating logical volume '%s' failed" % (lv), rc=rc, err=err)
else: else:
if state == 'absent': if state == 'absent':
### remove LV ### remove LV
if module.check_mode: if module.check_mode:
module.exit_json(changed=True) module.exit_json(changed=True)
rc,_,err = module.run_command("lvremove --force %s/%s"%(vg,this_lv['name'])) rc, _, err = module.run_command("lvremove --force %s/%s" % (vg, this_lv['name']))
if rc == 0: if rc == 0:
module.exit_json(changed=True) module.exit_json(changed=True)
else: else:
module.fail_json(msg="Failed to remove logical volume %s"%(lv),rc=rc, err=err) module.fail_json(msg="Failed to remove logical volume %s" % (lv), rc=rc, err=err)
elif size_opt == 'l': elif size_opt == 'l':
module.exit_json(changed=False, msg="Resizing extents with percentage not supported.") module.exit_json(changed=False, msg="Resizing extents with percentage not supported.")
@ -197,14 +205,17 @@ def main():
if module.check_mode: if module.check_mode:
changed = True changed = True
else: else:
rc,_,err = module.run_command("%s -%s %s%s %s/%s"%(tool, size_opt, size, size_unit, vg, this_lv['name'])) rc, _, err = module.run_command("%s -%s %s%s %s/%s" % (tool, size_opt, size, size_unit, vg, this_lv['name']))
if rc == 0: if rc == 0:
changed = True changed = True
elif "matches existing size" in err:
module.exit_json(changed=False, vg=vg, lv=this_lv['name'], size=this_lv['size'])
else: else:
module.fail_json(msg="Unable to resize %s to %s%s"%(lv,size,size_unit),rc=rc,err=err) module.fail_json(msg="Unable to resize %s to %s%s" % (lv, size, size_unit), rc=rc, err=err)
module.exit_json(changed=changed,msg=msg) module.exit_json(changed=changed, msg=msg)
# import module snippets # import module snippets
from ansible.module_utils.basic import * from ansible.module_utils.basic import *
main() main()