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Add IOPs bandwidth support to volumes (#61577)

Browse Source
pull/61591/head
Simon Dodsley 5 years ago committed by ansibot
parent 3bd69a47ec
commit cd24d57636
2 changed files with 194 additions and 107 deletions
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2
changelogs/fragments/61577-support-iops-in-purefa_volume.yml
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@ -0,0 +1,2 @@
minor_changes:
- purefa_volume - Change I(qos) parameter to I(bw_iops), but retain I(qos) as an alias for backwards compatability (https://github.com/ansible/ansible/pull/61577).

299
lib/ansible/modules/storage/purestorage/purefa_volume.py
Unescape Escape View File

@ -50,14 +50,23 @@ options:
description:
- Volume size in M, G, T or P units.
type: str
qos:
bw_qos:
description:
- Bandwidth limit for volume in M or G units.
M will set MB/s
G will set GB/s
To clear an existing Qos setting using 0 (zero)
To clear an existing QoS setting use 0 (zero)
version_added: '2.8'
type: str
aliases: [ qos ]
iops_qos:
description:
- IOPs limit for volume - use value or K or M
K will mean 1000
M will mean 1000000
To clear an existing IOPs setting use 0 (zero)
version_added: '2.9'
type: str
extends_documentation_fragment:
- purestorage.fa
'''
@ -67,7 +76,8 @@ EXAMPLES = r'''
purefa_volume:
name: foo
size: 1T
qos: 58M
bw_qos: 58M
iops_qos: 23K
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
@ -108,7 +118,8 @@ EXAMPLES = r'''
- name: Clear volume QoS from volume foo
purefa_volume:
name: foo
qos: 0
bw_qos: 0
iops_qos: 0
fa_url: 10.10.10.2
api_token: e31060a7-21fc-e277-6240-25983c6c4592
state: present
@ -138,6 +149,12 @@ volume:
size:
description: Volume size in bytes
type: int
bandwidth_limit:
description: Volume bandwidth limit in bytes/sec
type: int
iops_limit:
description: Volume IOPs limit
type: int
'''
from ansible.module_utils.basic import AnsibleModule
@ -147,6 +164,7 @@ from ansible.module_utils.pure import get_system, purefa_argument_spec
QOS_API_VERSION = "1.14"
VGROUPS_API_VERSION = "1.13"
POD_API_VERSION = "1.13"
IOPS_API_VERSION = "1.17"
def human_to_bytes(size):
@ -166,6 +184,8 @@ def human_to_bytes(size):
bytes *= 1073741824
elif unit == 'M':
bytes *= 1048576
elif unit == 'K':
bytes *= 1024
else:
bytes = 0
else:
@ -173,6 +193,26 @@ def human_to_bytes(size):
return bytes
def human_to_real(iops):
"""Given a human-readable IOPs string (e.g. 2K, 30M),
return the real number. Will return 0 if the argument has
unexpected form.
"""
digit = iops[:-1]
unit = iops[-1]
if digit.isdigit():
digit = int(digit)
if unit == 'M':
digit *= 1000000
elif unit == 'K':
digit *= 1000
else:
digit = 0
else:
digit = 0
return digit
def get_volume(module, array):
"""Return Volume or None"""
try:
@ -184,10 +224,7 @@ def get_volume(module, array):
def get_destroyed_volume(module, array):
"""Return Destroyed Volume or None"""
try:
if array.get_volume(module.params['name'], pending=True)['time_remaining'] != '':
return True
else:
return False
return bool(array.get_volume(module.params['name'], pending=True)['time_remaining'] != '')
except Exception:
return False
@ -240,127 +277,173 @@ def check_pod(module, array):
def create_volume(module, array):
"""Create Volume"""
changed = False
if "/" in module.params['name'] and not check_vgroup(module, array):
module.fail_json(msg="Failed to create volume {0}. Volume Group does not exist.".format(module.params["name"]))
if "::" in module.params['name'] and not check_pod(module, array):
module.fail_json(msg="Failed to create volume {0}. Poid does not exist".format(module.params["name"]))
volfact = []
api_version = array._list_available_rest_versions()
if module.params['qos'] and QOS_API_VERSION in api_version:
if 549755813888 >= int(human_to_bytes(module.params['qos'])) >= 1048576:
changed = True
if not module.check_mode:
if "/" in module.params['name'] and not check_vgroup(module, array):
module.fail_json(msg="Failed to create volume {0}. Volume Group does not exist.".format(module.params["name"]))
if "::" in module.params['name'] and not check_pod(module, array):
module.fail_json(msg="Failed to create volume {0}. Poid does not exist".format(module.params["name"]))
volfact = []
api_version = array._list_available_rest_versions()
if module.params['bw_qos'] or module.params['iops_qos']:
if module.params['bw_qos'] and QOS_API_VERSION in api_version or module.params['iops_qos'] and IOPS_API_VERSION in api_version:
if module.params['bw_qos'] and not module.params['iops_qos']:
if 549755813888 >= int(human_to_bytes(module.params['bw_qos'])) >= 1048576:
try:
volfact = array.create_volume(module.params['name'],
module.params['size'],
bandwidth_limit=module.params['bw_qos'])
except Exception:
module.fail_json(msg='Volume {0} creation failed.'.format(module.params['name']))
else:
module.fail_json(msg='Bandwidth QoS value {0} out of range.'.format(module.params['bw_qos']))
elif module.params['iops_qos'] and not module.params['bw_qos']:
if 100000000 >= int(human_to_real(module.params['iops_qos'])) >= 100:
try:
volfact = array.create_volume(module.params['name'],
module.params['size'],
iops_limit=module.params['iops_qos'])
except Exception:
module.fail_json(msg='Volume {0} creation failed.'.format(module.params['name']))
else:
module.fail_json(msg='IOPs QoS value {0} out of range.'.format(module.params['iops_qos']))
else:
bw_qos_size = int(human_to_bytes(module.params['bw_qos']))
if 100000000 >= int(human_to_real(module.params['iops_qos'])) >= 100 and 549755813888 >= bw_qos_size >= 1048576:
try:
volfact = array.create_volume(module.params['name'],
module.params['size'],
iops_limit=module.params['iops_qos'],
bandwidth_limit=module.params['bw_qos'])
except Exception:
module.fail_json(msg='Volume {0} creation failed.'.format(module.params['name']))
else:
module.fail_json(msg='IOPs or Bandwidth QoS value out of range.')
else:
try:
volfact = array.create_volume(module.params['name'],
module.params['size'],
bandwidth_limit=module.params['qos'])
changed = True
volfact = array.create_volume(module.params['name'], module.params['size'])
except Exception:
module.fail_json(msg='Volume {0} creation failed.'.format(module.params['name']))
else:
module.fail_json(msg='QoS value {0} out of range.'.format(module.params['qos']))
else:
try:
volfact = array.create_volume(module.params['name'], module.params['size'])
changed = True
except Exception:
module.fail_json(msg='Volume {0} creation failed.'.format(module.params['name']))
module.exit_json(changed=changed, volume=volfact)
def copy_from_volume(module, array):
"""Create Volume Clone"""
changed = False
volfact = []
tgt = get_target(module, array)
changed = True
if not module.check_mode:
volfact = []
tgt = get_target(module, array)
if tgt is None:
try:
volfact = array.copy_volume(module.params['name'],
module.params['target'])
changed = True
except Exception:
module.fail_json(msg='Copy volume {0} to volume {1} failed.'.format(module.params['name'],
module.params['target']))
elif tgt is not None and module.params['overwrite']:
try:
volfact = array.copy_volume(module.params['name'],
module.params['target'],
overwrite=module.params['overwrite'])
changed = True
except Exception:
module.fail_json(msg='Copy volume {0} to volume {1} failed.'.format(module.params['name'],
module.params['target']))
if tgt is None:
try:
volfact = array.copy_volume(module.params['name'],
module.params['target'])
except Exception:
module.fail_json(msg='Copy volume {0} to volume {1} failed.'.format(module.params['name'],
module.params['target']))
elif tgt is not None and module.params['overwrite']:
try:
volfact = array.copy_volume(module.params['name'],
module.params['target'],
overwrite=module.params['overwrite'])
except Exception:
module.fail_json(msg='Copy volume {0} to volume {1} failed.'.format(module.params['name'],
module.params['target']))
module.exit_json(changed=changed, volume=volfact)
def update_volume(module, array):
"""Update Volume size and/or QoS"""
changed = False
volfact = []
api_version = array._list_available_rest_versions()
vol = array.get_volume(module.params['name'])
if QOS_API_VERSION in api_version:
changed = True
if not module.check_mode:
change = False
volfact = []
api_version = array._list_available_rest_versions()
vol = array.get_volume(module.params['name'])
vol_qos = array.get_volume(module.params['name'], qos=True)
if vol_qos['bandwidth_limit'] is None:
vol_qos['bandwidth_limit'] = 0
if module.params['size']:
if human_to_bytes(module.params['size']) != vol['size']:
if human_to_bytes(module.params['size']) > vol['size']:
try:
volfact = array.extend_volume(module.params['name'], module.params['size'])
changed = True
except Exception:
module.fail_json(msg='Volume {0} resize failed.'.format(module.params['name']))
if module.params['qos'] and QOS_API_VERSION in api_version:
if human_to_bytes(module.params['qos']) != vol_qos['bandwidth_limit']:
if module.params['qos'] == '0':
try:
volfact = array.set_volume(module.params['name'], bandwidth_limit='')
changed = True
except Exception:
module.fail_json(msg='Volume {0} QoS removal failed.'.format(module.params['name']))
elif 549755813888 >= int(human_to_bytes(module.params['qos'])) >= 1048576:
try:
volfact = array.set_volume(module.params['name'],
bandwidth_limit=module.params['qos'])
changed = True
except Exception:
module.fail_json(msg='Volume {0} QoS change failed.'.format(module.params['name']))
else:
module.fail_json(msg='QoS value {0} out of range. Check documentation.'.format(module.params['qos']))
module.exit_json(changed=changed, volume=volfact)
if QOS_API_VERSION in api_version:
if vol_qos['bandwidth_limit'] is None:
vol_qos['bandwidth_limit'] = 0
if IOPS_API_VERSION in api_version:
if vol_qos['iops_limit'] is None:
vol_qos['iops_limit'] = 0
if module.params['size']:
if human_to_bytes(module.params['size']) != vol['size']:
if human_to_bytes(module.params['size']) > vol['size']:
try:
volfact = array.extend_volume(module.params['name'], module.params['size'])
change = True
except Exception:
module.fail_json(msg='Volume {0} resize failed.'.format(module.params['name']))
if module.params['bw_qos'] and QOS_API_VERSION in api_version:
if human_to_bytes(module.params['bw_qos']) != vol_qos['bandwidth_limit']:
if module.params['bw_qos'] == '0':
try:
volfact = array.set_volume(module.params['name'], bandwidth_limit='')
change = True
except Exception:
module.fail_json(msg='Volume {0} Bandwidth QoS removal failed.'.format(module.params['name']))
elif 549755813888 >= int(human_to_bytes(module.params['bw_qos'])) >= 1048576:
try:
volfact = array.set_volume(module.params['name'],
bandwidth_limit=module.params['bw_qos'])
change = True
except Exception:
module.fail_json(msg='Volume {0} Bandwidth QoS change failed.'.format(module.params['name']))
else:
module.fail_json(msg='Bandwidth QoS value {0} out of range.'.format(module.params['bw_qos']))
if module.params['iops_qos'] and IOPS_API_VERSION in api_version:
if human_to_real(module.params['iops_qos']) != vol_qos['iops_limit']:
if module.params['iops_qos'] == '0':
try:
volfact = array.set_volume(module.params['name'], iops_limit='')
change = True
except Exception:
module.fail_json(msg='Volume {0} IOPs QoS removal failed.'.format(module.params['name']))
elif 100000000 >= int(human_to_real(module.params['iops_qos'])) >= 100:
try:
volfact = array.set_volume(module.params['name'],
iops_limit=module.params['iops_qos'])
except Exception:
module.fail_json(msg='Volume {0} IOPs QoS change failed.'.format(module.params['name']))
else:
module.fail_json(msg='Bandwidth QoS value {0} out of range.'.format(module.params['bw_qos']))
module.exit_json(changed=change, volume=volfact)
module.exit_json(changed=changed)
def delete_volume(module, array):
""" Delete Volume"""
changed = False
volfact = []
try:
array.destroy_volume(module.params['name'])
if module.params['eradicate']:
try:
volfact = array.eradicate_volume(module.params['name'])
except Exception:
module.fail_json(msg='Eradicate volume {0} failed.'.format(module.params['name']))
changed = True
except Exception:
module.fail_json(msg='Delete volume {0} failed.'.format(module.params['name']))
changed = True
if not module.check_mode:
volfact = []
try:
array.destroy_volume(module.params['name'])
if module.params['eradicate']:
try:
volfact = array.eradicate_volume(module.params['name'])
except Exception:
module.fail_json(msg='Eradicate volume {0} failed.'.format(module.params['name']))
except Exception:
module.fail_json(msg='Delete volume {0} failed.'.format(module.params['name']))
module.exit_json(changed=changed, volume=volfact)
def eradicate_volume(module, array):
""" Eradicate Deleted Volume"""
changed = False
volfact = []
if module.params['eradicate']:
try:
array.eradicate_volume(module.params['name'])
changed = True
except Exception:
module.fail_json(msg='Eradication of volume {0} failed'.format(module.params['name']))
changed = True
if not module.check_mode:
volfact = []
if module.params['eradicate']:
try:
array.eradicate_volume(module.params['name'])
except Exception:
module.fail_json(msg='Eradication of volume {0} failed'.format(module.params['name']))
module.exit_json(changed=changed, volume=volfact)
@ -372,7 +455,8 @@ def main():
overwrite=dict(type='bool', default=False),
eradicate=dict(type='bool', default=False),
state=dict(type='str', default='present', choices=['absent', 'present']),
qos=dict(type='str'),
bw_qos=dict(type='str', aliases=['qos']),
iops_qos=dict(type='str'),
size=dict(type='str'),
))
@ -380,10 +464,11 @@ def main():
module = AnsibleModule(argument_spec,
mutually_exclusive=mutually_exclusive,
supports_check_mode=False)
supports_check_mode=True)
size = module.params['size']
qos = module.params['qos']
bw_qos = module.params['bw_qos']
iops_qos = module.params['iops_qos']
state = module.params['state']
array = get_system(module)
volume = get_volume(module, array)
@ -393,7 +478,7 @@ def main():
if state == 'present' and not volume and size:
create_volume(module, array)
elif state == 'present' and volume and (size or qos):
elif state == 'present' and volume and (size or bw_qos or iops_qos):
update_volume(module, array)
elif state == 'present' and volume and target:
copy_from_volume(module, array)

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