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In order to allow easier updates from upstream hardware vendors, we're going to be hosting network hardware

Browse source 
config modules on Galaxy as announced during the last release cycle.   (This excludes load balancers, which remain in core).

Please refer to https://eos.arista.com/introducing-arista-eos-roles-for-ansible/ and https://galaxy.ansible.com/list#/roles/1359
and where this content now lives.

Thanks to Peter Sprygada for the roles content!
This commit is contained in:
Michael DeHaan 2014-08-19 08:31:49 -04:00
parent c8494cdc39
commit 47f4dec676
4 changed files with 0 additions and 1227 deletions
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259
library/net_infrastructure/arista_interface
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013, Arista Networks <netdevops@aristanetworks.com>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = '''
---
module: arista_interface
version_added: "1.3"
author: Peter Sprygada
short_description: Manage physical Ethernet interfaces
requirements:
- Arista EOS 4.10
- Netdev extension for EOS
description:
- Manage physical Ethernet interface resources on Arista EOS network devices
options:
interface_id:
description:
- the full name of the interface
required: true
logging:
description:
- enables or disables the syslog facility for this module
required: false
default: false
choices: [ 'true', 'false', 'yes', 'no' ]
admin:
description:
- controls the operational state of the interface
required: false
choices: [ 'up', 'down' ]
description:
description:
- a single line text string describing the interface
required: false
mtu:
description:
- configureds the maximum transmission unit for the interface
required: false
default: 1500
speed:
description:
- sets the interface speed setting
required: false
default: 'auto'
choices: [ 'auto', '100m', '1g', '10g' ]
duplex:
description:
- sets the interface duplex setting
required: false
default: 'auto'
choices: [ 'auto', 'half', 'full' ]
notes:
- Requires EOS 4.10 or later
- The Netdev extension for EOS must be installed and active in the
available extensions (show extensions from the EOS CLI)
- See http://eos.aristanetworks.com for details
'''
EXAMPLES = '''
Example playbook entries using the arista_interface module to manage resource
state. Note that interface names must be the full interface name not shortcut
names (ie Ethernet, not Et1)
tasks:
- name: enable interface Ethernet 1
action: arista_interface interface_id=Ethernet1 admin=up speed=10g duplex=full logging=true
- name: set mtu on Ethernet 1
action: arista_interface interface_id=Ethernet1 mtu=1600 speed=10g duplex=full logging=true
- name: reset changes to Ethernet 1
action: arista_interface interface_id=Ethernet1 admin=down mtu=1500 speed=10g duplex=full logging=true
'''
import syslog
import json
class AristaInterface(object):
""" This is the base class for managing physcial Ethernet interface
resources in EOS network devices. This class acts as a wrapper around
the netdev extension in EOS. You must have the netdev extension
installed in order for this module to work properly.
The following commands are implemented in this module:
* netdev interface list
* netdev interface show
* netdev interface edit
* netdev interface delete
This module only allows for the management of physical Ethernet
interfaces.
"""
attributes = ['interface_id', 'admin', 'description', 'mtu', 'speed', 'duplex']
def __init__(self, module):
self.module = module
self.interface_id = module.params['interface_id']
self.admin = module.params['admin']
self.description = module.params['description']
self.mtu = module.params['mtu']
self.speed = module.params['speed']
self.duplex = module.params['duplex']
self.logging = module.params['logging']
@property
def changed(self):
""" The changed property provides a boolean response if the currently
loaded resouces has changed from the resource running in EOS.
Returns True if the object is not in sync
Returns False if the object is in sync.
"""
return len(self.updates()) > 0
def log(self, entry):
""" This method is responsible for sending log messages to the local
syslog.
"""
if self.logging:
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, entry)
def run_command(self, cmd):
""" Calls the Ansible module run_command method. This method will
directly return the results of the run_command method
"""
self.log(cmd)
return self.module.run_command(cmd.split())
def get(self):
""" This method will return a dictionary with the attributes of the
physical ethernet interface resource specified in interface_id.
The physcial ethernet interface resource has the following
structure:
{
"interface_id": <interface_id>,
"description": <description>,
"admin": [up | down],
"mtu": <mtu>,
"speed": [auto | 100m | 1g | 10g]
"duplex": [auto | half | full]
}
If the physical ethernet interface specified by interface_id does
not exist in the system, this method will return None.
"""
cmd = "netdev interface show %s" % self.interface_id
(rc, out, err) = self.run_command(cmd)
obj = json.loads(out)
if obj.get('status') != 200:
return None
return obj['result']
def update(self):
""" Updates an existing physical ethernet resource in the current
running configuration. If the physical ethernet resource does
not exist, this method will return an error.
This method implements the following commands:
* netdev interface edit {interface_id} [attributes]
Returns an updated physical ethernet interafce resoure if the
update method was successful
"""
attribs = list()
for attrib in self.updates():
attribs.append("--%s" % attrib)
attribs.append(str(getattr(self, attrib)))
if attribs:
cmd = "netdev interface edit %s " % self.interface_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
return (0, None, "No attributes have been modified")
def updates(self):
""" This method will check the current phy resource in the running
configuration and return a list of attribute that are not in sync
with the current resource from the running configuration.
"""
obj = self.get()
update = lambda a, z: a != z
updates = list()
for attrib in self.attributes:
value = getattr(self, attrib)
if update(obj[attrib], value) and value is not None:
updates.append(attrib)
self.log("updates: %s" % updates)
return updates
def main():
module = AnsibleModule(
argument_spec = dict(
interface_id=dict(default=None, type='str'),
admin=dict(default=None, choices=['up', 'down'], type='str'),
description=dict(default=None, type='str'),
mtu=dict(default=None, type='int'),
speed=dict(default=None, choices=['auto', '100m', '1g', '10g']),
duplex=dict(default=None, choices=['auto', 'half', 'full']),
logging=dict(default=False, type='bool')
),
supports_check_mode = True
)
obj = AristaInterface(module)
rc = None
result = dict()
if module.check_mode:
module.exit_json(changed=obj.changed)
else:
if obj.changed:
(rc, out, err) = obj.update()
result['results'] = out
if rc is not None and rc != 0:
module.fail_json(msg=err, rc=rc)
if rc is None:
result['changed'] = False
else:
result['changed'] = True
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
main()

337
library/net_infrastructure/arista_l2interface
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013, Arista Networks <netdevops@aristanetworks.com>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = '''
---
module: arista_l2interface
version_added: "1.2"
author: Peter Sprygada
short_description: Manage layer 2 interfaces
requirements:
- Arista EOS 4.10
- Netdev extension for EOS
description:
- Manage layer 2 interface resources on Arista EOS network devices
options:
interface_id:
description:
- the full name of the interface
required: true
state:
description:
- describe the desired state of the interface related to the config
required: false
default: 'present'
choices: [ 'present', 'absent' ]
logging:
description:
- enables or disables the syslog facility for this module
required: false
default: false
choices: [ 'true', 'false', 'yes', 'no' ]
vlan_tagging:
description:
- specifies whether or not vlan tagging should be enabled for
this interface
required: false
default: true
choices: [ 'enable', 'disable' ]
tagged_vlans:
description:
- specifies the list of vlans that should be allowed to transit
this interface
required: false
untagged_vlan:
description:
- specifies the vlan that untagged traffic should be placed in for
transit across a vlan tagged link
required: false
default: 'default'
notes:
- Requires EOS 4.10 or later
- The Netdev extension for EOS must be installed and active in the
available extensions (show extensions from the EOS CLI)
- See http://eos.aristanetworks.com for details
'''
EXAMPLES = '''
Example playbook entries using the arista_l2interface module to manage resource
state. Note that interface names must be the full interface name not shortcut
names (ie Ethernet, not Et1)
tasks:
- name: create switchport ethernet1 access port
action: arista_l2interface interface_id=Ethernet1 logging=true
- name: create switchport ethernet2 trunk port
action: arista_l2interface interface_id=Ethernet2 vlan_tagging=enable logging=true
- name: add vlans to red and blue switchport ethernet2
action: arista_l2interface interface_id=Ethernet2 tagged_vlans=red,blue logging=true
- name: set untagged vlan for Ethernet1
action: arista_l2interface interface_id=Ethernet1 untagged_vlan=red logging=true
- name: convert access to trunk
action: arista_l2interface interface_id=Ethernet1 vlan_tagging=enable tagged_vlans=red,blue logging=true
- name: convert trunk to access
action: arista_l2interface interface_id=Ethernet2 vlan_tagging=disable untagged_vlan=blue logging=true
- name: delete switchport ethernet1
action: arista_l2interface interface_id=Ethernet1 state=absent logging=true
'''
import syslog
import json
class AristaL2Interface(object):
""" This is the base class managing layer 2 interfaces (switchport)
resources in Arista EOS network devices. This class provides an
implementation for creating, updating and deleting layer 2 interfaces.
Note: The netdev extension for EOS must be installed in order of this
module to work properly.
The following commands are implemented in this module:
* netdev l2interface list
* netdev l2interface show
* netdev l2interface edit
* netdev l2interface delete
"""
attributes= ['vlan_tagging', 'tagged_vlans', 'untagged_vlan']
def __init__(self, module):
self.module = module
self.interface_id = module.params['interface_id']
self.state = module.params['state']
self.vlan_tagging = module.params['vlan_tagging']
self.tagged_vlans = module.params['tagged_vlans']
self.untagged_vlan = module.params['untagged_vlan']
self.logging = module.params['logging']
@property
def changed(self):
""" The changed property provides a boolean response if the currently
loaded resouces has changed from the resource running in EOS.
Returns True if the object is not in sync
Returns False if the object is in sync.
"""
return len(self.updates()) > 0
def log(self, entry):
""" This method is responsible for sending log messages to the local
syslog.
"""
if self.logging:
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, entry)
def run_command(self, cmd):
""" Calls the Ansible module run_command method. This method will
directly return the results of the run_command method
"""
self.log("Command: %s" % cmd)
return self.module.run_command(cmd.split())
def get(self):
""" This method will return a dictionary with the attributes of the
layer 2 interface resource specified in interface_id. The layer
2 interface resource has the following structure:
{
"interface_id": <interface_id>,
"vlan_tagging": [enable* | disable],
"tagged_vlans": <array of vlan names>,
"untagged_vlan": <vlan name>
}
If the layer 2 interface specified by interface_id does not
exist in the system, this method will return None.
"""
cmd = "netdev l2interface show %s" % self.interface_id
(rc, out, err) = self.run_command(cmd)
obj = json.loads(out)
if obj.get('status') != 200:
return None
return obj['result']
def create(self):
""" Creates a layer 2 interface resource in the current running
configuration. If the layer 2 interface already exists, the
function will return successfully.
This function implements the following commands:
* netdev l2interface create {interface_id} [attributes]
Returns the layer 2 interface resource if the create method was
successful
Returns an error message if there as a problem creating the layer
2 interface
"""
attribs = []
for attrib in self.attributes:
if getattr(self, attrib):
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
cmd = "netdev l2interface create %s " % self.interface_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 201:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
def update(self):
""" Updates an existing VLAN resource in the current running
configuration. If the VLAN resource does not exist, this method
will return an error.
This method implements the following commands:
* netdev l2interface edit {interface_id} [attributes]
Returns an updated layer 2 interafce resoure if the update method
was successful
"""
attribs = list()
for attrib in self.updates():
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
cmd = "netdev l2interface edit %s " % self.interface_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
return (0, None, "No attributes have been modified")
def delete(self):
""" Deletes an existing layer 2 interface resource from the current
running configuration. A nonexistent layer 2 interface will
return successful for this operation.
This method implements the following commands:
* netdev l2interface delete {interface_id}
Returns nothing if the delete was successful
Returns error message if there was a problem deleting the resource
"""
cmd = "netdev l2interface delete %s" % self.interface_id
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = resp['status']
err = resp['message']
out = None
return (rc, out, err)
def updates(self):
""" This method will check the current layer 2 interface resource in
the running configuration and return a list of attributes that are
not in sync with the current resource.
"""
obj = self.get()
update = lambda a, z: a != z
updates = list()
for attrib in self.attributes:
value = getattr(self, attrib)
if update(obj[attrib], value) and value is not None:
updates.append(attrib)
self.log("Updates: %s" % updates)
return updates
def exists(self):
""" Returns True if the current layer 2 interface resource exists and
returns False if it does not. This method only checks for the
existence of the interface as specified in interface_id.
"""
(rc, out, err) = self.run_command("netdev l2interface list")
collection = json.loads(out)
return self.interface_id in collection.get('result')
def main():
module = AnsibleModule(
argument_spec = dict(
interface_id=dict(default=None, type='str'),
state=dict(default='present', choices=['present', 'absent'], type='str'),
vlan_tagging=dict(default=None, choices=['enable', 'disable']),
tagged_vlans=dict(default=None, type='str'),
untagged_vlan=dict(default=None, type='str'),
logging=dict(default=False, type='bool')
),
supports_check_mode = True
)
obj = AristaL2Interface(module)
rc = None
result = dict()
if obj.state == 'absent':
if obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.delete()
if rc !=0:
module.fail_json(msg=err, rc=rc)
elif obj.state == 'present':
if not obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.create()
result['results'] = out
else:
if obj.changed:
if module.check_mode:
module.exit_json(changed=obj.changed)
(rc, out, err) = obj.update()
result['results'] = out
if rc is not None and rc != 0:
module.fail_json(msg=err, rc=rc)
if rc is None:
result['changed'] = False
else:
result['changed'] = True
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
main()

324
library/net_infrastructure/arista_lag
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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013, Arista Networks <netdevops@aristanetworks.com>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = '''
---
module: arista_lag
version_added: "1.3"
author: Peter Sprygada
short_description: Manage port channel (lag) interfaces
requirements:
- Arista EOS 4.10
- Netdev extension for EOS
description:
- Manage port channel interface resources on Arista EOS network devices
options:
interface_id:
description:
- the full name of the interface
required: true
state:
description:
- describe the desired state of the interface related to the config
required: false
default: 'present'
choices: [ 'present', 'absent' ]
logging:
description:
- enables or disables the syslog facility for this module
required: false
default: false
choices: [ 'true', 'false', 'yes', 'no' ]
links:
description:
- array of physical interface links to include in this lag
required: false
minimum_links:
description:
- the minimum number of physical interaces that must be operationally up to consider the lag operationally up
required: false
lacp:
description:
- enables the use of the LACP protocol for managing link bundles
required: false
default: 'active'
choices: [ 'active', 'passive', 'off' ]
notes:
- Requires EOS 4.10 or later
- The Netdev extension for EOS must be installed and active in the
available extensions (show extensions from the EOS CLI)
- See http://eos.aristanetworks.com for details
'''
EXAMPLES = '''
Example playbook entries using the arista_lag module to manage resource
state. Note that interface names must be the full interface name not shortcut
names (ie Ethernet, not Et1)
tasks:
- name: create lag interface
action: arista_lag interface_id=Port-Channel1 links=Ethernet1,Ethernet2 logging=true
- name: add member links
action: arista_lag interface_id=Port-Channel1 links=Ethernet1,Ethernet2,Ethernet3 logging=true
- name: remove member links
action: arista_lag interface_id=Port-Channel1 links=Ethernet2,Ethernet3 logging=true
- name: remove lag interface
action: arista_lag interface_id=Port-Channel1 state=absent logging=true
'''
import syslog
import json
class AristaLag(object):
""" This is the base class managing port-channel (lag) interfaces
resources in Arista EOS network devices. This class provides an
implementation for creating, updating and deleting port-channel
interfaces.
Note: The netdev extension for EOS must be installed in order of this
module to work properly.
The following commands are implemented in this module:
* netdev lag list
* netdev lag show
* netdev lag edit
* netdev lag delete
"""
attributes = ['links', 'minimum_links', 'lacp']
def __init__(self, module):
self.module = module
self.interface_id = module.params['interface_id']
self.state = module.params['state']
self.links = module.params['links']
self.minimum_links = module.params['minimum_links']
self.lacp = module.params['lacp']
self.logging = module.params['logging']
@property
def changed(self):
""" The changed property provides a boolean response if the currently
loaded resouces has changed from the resource running in EOS.
Returns True if the object is not in sync
Returns False if the object is in sync.
"""
return len(self.updates()) > 0
def log(self, entry):
""" This method is responsible for sending log messages to the local
syslog.
"""
if self.logging:
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_NOTICE, entry)
def run_command(self, cmd):
""" Calls the Ansible module run_command method. This method will
directly return the results of the run_command method
"""
self.log("Command: %s" % cmd)
return self.module.run_command(cmd.split())
def get(self):
""" This method will return a dictionary with the attributes of the
lag interface resource specified in interface_id. The lag
interface resource has the following structure:
{
"interface_id": <interface_id>,
"links": <array of member interfaces>,
"minimum_links": <minimum_links>,
"lacp": [active* | passive | off]
}
If the lag interface specified by interface_id does not
exist in the system, this method will return None.
"""
cmd = "netdev lag show %s" % self.interface_id
(rc, out, err) = self.run_command(cmd)
obj = json.loads(out)
if obj.get('status') != 200:
return None
return obj['result']
def create(self):
""" Creates a lag interface resource in the current running
configuration. If the lag interface already exists, the
function will return successfully.
This function implements the following commands:
* netdev lag create {interface_id} [attributes]
Returns the lag interface resource if the create method was
successful
Returns an error message if there as a problem creating the lag
interface
"""
attribs = []
for attrib in self.attributes:
if getattr(self, attrib):
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
cmd = "netdev lag create %s " % self.interface_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 201:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = self.get()
return (rc, out, err)
def update(self):
""" Updates an existing lag resource in the current running
configuration. If the lag resource does not exist, this method
will return an error.
This method implements the following commands:
* netdev lag edit {interface_id} [attributes]
Returns an updated lag interafce resoure if the update method
was successful
"""
attribs = list()
for attrib in self.updates():
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
cmd = "netdev lag edit %s " % self.interface_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
return (2, None, "No attributes have been modified")
def delete(self):
""" Deletes an existing lag interface resource from the current
running configuration. A nonexistent lag interface will
return successful for this operation.
This method implements the following commands:
* netdev lag delete {interface_id}
Returns nothing if the delete was successful
Returns error message if there was a problem deleting the resource
"""
cmd = "netdev lag delete %s" % self.interface_id
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = resp['status']
err = resp['message']
out = None
return (rc, out, err)
def updates(self):
""" This method will check the current lag interface resource in the
running configuration and return a list of attributes that are
not in sync with the current resource.
"""
obj = self.get()
update = lambda a, z: a != z
updates = list()
for attrib in self.attributes:
if update(obj[attrib], getattr(self, attrib)):
updates.append(attrib)
return updates
def exists(self):
""" Returns True if the current lag interface resource exists and
returns False if it does not. This method only checks for the
existence of the interface as specified in interface_id.
"""
(rc, out, err) = self.run_command("netdev lag list")
collection = json.loads(out)
return self.interface_id in collection.get('result')
def main():
module = AnsibleModule(
argument_spec = dict(
interface_id=dict(default=None, type='str'),
state=dict(default='present', choices=['present', 'absent'], type='str'),
links=dict(default=None, type='str'),
lacp=dict(default=None, choices=['active', 'passive', 'off'], type='str'),
minimum_links=dict(default=None, type='int'),
logging=dict(default=False, type='bool')
),
supports_check_mode = True
)
obj = AristaLag(module)
rc = None
result = dict()
if obj.state == 'absent':
if obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.delete()
if rc !=0:
module.fail_json(msg=err, rc=rc)
elif obj.state == 'present':
if not obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.create()
result['results'] = out
else:
if module.check_mode:
module.exit_json(changed=obj.changed)
(rc, out, err) = obj.update()
result['results'] = out
if rc is not None and rc != 0:
module.fail_json(msg=err, rc=rc)
if rc is None:
result['changed'] = False
else:
result['changed'] = True
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
main()

307
library/net_infrastructure/arista_vlan
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@ -1,307 +0,0 @@
#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2013, Arista Networks <netdevops@aristanetworks.com>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
DOCUMENTATION = '''
---
module: arista_vlan
version_added: "1.3"
author: Peter Sprygada
short_description: Manage VLAN resources
requirements:
- Arista EOS 4.10
- Netdev extension for EOS
description:
- Manage VLAN resources on Arista EOS network devices. This module
requires the Netdev EOS extension to be installed in EOS. For detailed
instructions for installing and using the Netdev module please see
[link]
options:
vlan_id:
description:
- the vlan id
required: true
state:
description:
- describe the desired state of the vlan related to the config
required: false
default: 'present'
choices: [ 'present', 'absent' ]
logging:
description:
- enables or disables the syslog facility for this module
required: false
choices: [ 'true', 'false', 'yes', 'no' ]
name:
description:
- a descriptive name for the vlan
required: false
notes:
- Requires EOS 4.10 or later
- The Netdev extension for EOS must be installed and active in the
available extensions (show extensions from the EOS CLI)
- See http://eos.aristanetworks.com for details
'''
EXAMPLES = '''
Example playbook entries using the arista_vlan module to manage resource
state.
tasks:
- name: create vlan 999
action: arista_vlan vlan_id=999 logging=true
- name: create / edit vlan 999
action: arista_vlan vlan_id=999 name=test logging=true
- name: remove vlan 999
action: arista_vlan vlan_id=999 state=absent logging=true
'''
import syslog
import json
class AristaVlan(object):
""" This is the base class for managing VLAN resources in EOS network
devices. This class provides basic CRUD functions for VLAN
resources. This class acts as a wrapper around the netdev extension
in EOS. You must have the netdev extension installed in order for
this module to work properly.
The following commands are implemented in this module:
* netdev vlan create
* netdev vlan list
* netdev vlan show
* netdev vlan edit
* netdev vlan delete
"""
attributes = ['name']
def __init__(self, module):
self.module = module
self.vlan_id = module.params['vlan_id']
self.name = module.params['name']
self.state = module.params['state']
self.logging = module.boolean(module.params['logging'])
@property
def changed(self):
""" The changed property provides a boolean response if the currently
loaded resouces has changed from the resource running in EOS.
Returns True if the object is not in sync
Returns False if the object is in sync.
"""
return len(self.updates()) > 0
def log(self, entry):
""" This method is responsible for sending log messages to the local
syslog.
"""
if self.logging:
syslog.openlog('ansible-%s' % os.path.basename(__file__))
syslog.syslog(syslog.LOG_INFO, entry)
def run_command(self, cmd):
""" Calls the Ansible module run_command method. This method will
also send a message to syslog with the command name
"""
self.log("Command: %s" % cmd)
return self.module.run_command(cmd.split())
def delete(self):
""" Deletes an existing VLAN resource from the current running
configuration. A nonexistent VLAN will return successful for this
operation.
This method implements the following commands:
* netdev vlan delete {vlan_id}
Returns nothing if the delete was successful
Returns error message if there was a problem deleting the vlan
"""
cmd = "netdev vlan delete %s" % self.vlan_id
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = resp['status']
err = resp['message']
out = None
return (rc, out, err)
def create(self):
""" Creates a VLAN resource in the current running configuration. If
the VLAN already exists, the function will return successfully.
This function implements the following commands:
* netdev vlan create {vlan_id} [--name <name>]
Returns the VLAN resource if the create function was successful
Returns an error message if there as a problem creating the vlan
"""
attribs = []
for attrib in self.attributes:
if getattr(self, attrib):
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
cmd = "netdev vlan create %s " % self.vlan_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 201:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
def update(self):
""" Updates an existing VLAN resource in the current running
configuration. If the VLAN resource does not exist, this method
will return an error.
This method implements the following commands:
* netdev vlan edit {vlan_id} [--name <name>]
Returns an updated VLAN resoure if the create method was successful
"""
attribs = list()
for attrib in self.updates():
attribs.append("--%s" % attrib)
attribs.append(getattr(self, attrib))
if attribs:
cmd = "netdev vlan edit %s " % self.vlan_id
cmd += " ".join(attribs)
(rc, out, err) = self.run_command(cmd)
resp = json.loads(out)
if resp.get('status') != 200:
rc = int(resp['status'])
err = resp['message']
out = None
else:
out = resp['result']
return (rc, out, err)
return (0, None, "No attributes have been modified")
def updates(self):
""" This method will check the current VLAN resource in the running
configuration and return a list of attributes that are not in sync
with the current resource from the running configuration.
"""
obj = self.get()
update = lambda a, z: a != z
updates = list()
for attrib in self.attributes:
value = getattr(self, attrib)
if update(obj[attrib], update) and value is not None:
updates.append(attrib)
self.log("updates: %s" % updates)
return updates
def exists(self):
""" Returns True if the current VLAN resource exists and returns False
if it does not. This method only checks for the existence of the
VLAN ID.
"""
(rc, out, err) = self.run_command("netdev vlan list")
collection = json.loads(out)
return str(self.vlan_id) in collection.get('result')
def get(self):
""" This method will return a dictionary with the attributes of the
VLAN resource identified in vlan_id. The VLAN resource has the
following structure:
{
"vlan_id": <vlan_id>,
"name": <name>
}
If the VLAN ID specified by vlan_id does not exist in the system,
this method will return None
"""
cmd = "netdev vlan show %s" % self.vlan_id
(rc, out, err) = self.run_command(cmd)
obj = json.loads(out)
if obj.get('status') != 200:
return None
return obj['result']
def main():
module = AnsibleModule(
argument_spec = dict(
vlan_id=dict(default=None, required=True, type='int'),
name=dict(default=None, type='str'),
state=dict(default='present', choices=['present', 'absent']),
logging=dict(default=False, type='bool')
),
supports_check_mode = True
)
obj = AristaVlan(module)
rc = None
result = dict()
if obj.state == 'absent':
if obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.delete()
if rc !=0:
module.fail_json(msg=err, rc=rc)
elif obj.state == 'present':
if not obj.exists():
if module.check_mode:
module.exit_json(changed=True)
(rc, out, err) = obj.create()
result['results'] = out
else:
if obj.changed:
if module.check_mode:
module.exit_json(changed=obj.changed)
(rc, out, err) = obj.update()
result['results'] = out
if rc is not None and rc != 0:
module.fail_json(msg=err, rc=rc)
if rc is None:
result['changed'] = False
else:
result['changed'] = True
module.exit_json(**result)
# import module snippets
from ansible.module_utils.basic import *
main()