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ec2_group: add rule description support - fixes #29040 (#30273)

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* ec2_group: add support for rule descriptions.

* Document rule description feature and add an example using it.

* Fix removing rule descriptions.

* Add integration tests to verify adding/modifying/removing rule descriptions works as expected.

* Add permissions to hacking/aws_config/testing_policies/ec2-policy.json for updating ingress and egress rule descriptions.

* ec2_group: add backwards compatibility with older versions of botocore for rule descriptions.

* Add compatibility with older version of botocore for ec2_group integration tests.

* ec2_group: move HAS_RULE_DESCRIPTION to be checked first.

* Make requested change

* Pass around a variable instead of client

* Make sure has_rule_description defaults to None

* Fail if rule_desc is in any ingress/egress rules and the the botocore version < 1.7.2

* Remove unnecessary variable

* Fix indentation for changed=True when updating rule descriptions.

* minor refactor to remove duplicate code

* add missing parameter

* Fix pep8

* Update test policy.
This commit is contained in:
Sloane Hertel 2017-10-24 21:18:56 -04:00 committed by ansibot
parent 3b6c095104
commit 1dd55acbc2
3 changed files with 260 additions and 3 deletions
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5
hacking/aws_config/testing_policies/ec2-policy.json
View file

@ -25,6 +25,7 @@
"ec2:DeleteNatGateway",
"ec2:DeleteSnapshot",
"ec2:DeleteSubnet",
"ec2:DeleteTags",
"ec2:DeleteVpc",
"ec2:DeregisterImage",
"ec2:Describe*",
@ -51,7 +52,9 @@
"ec2:RevokeSecurityGroupEgress",
"ec2:RevokeSecurityGroupIngress",
"ec2:RunInstances",
"ec2:TerminateInstances"
"ec2:TerminateInstances",
"ec2:UpdateSecurityGroupRuleDescriptionsIngress",
"ec2:UpdateSecurityGroupRuleDescriptionsEgress"
],
"Resource": [
"arn:aws:ec2:{{aws_region}}::image/*",

77
lib/ansible/modules/cloud/amazon/ec2_group.py
View file

@ -56,12 +56,14 @@ options:
This allows idempotent loopback additions (e.g. allow group to access itself).
Rule sources list support was added in version 2.4. This allows to define multiple sources per
source type as well as multiple source types per rule. Prior to 2.4 an individual source is allowed.
In version 2.5 support for rule descriptions was added.
required: false
rules_egress:
description:
- List of firewall outbound rules to enforce in this group (see example). If none are supplied,
a default all-out rule is assumed. If an empty list is supplied, no outbound rules will be enabled.
Rule Egress sources list support was added in version 2.4.
Rule Egress sources list support was added in version 2.4. In version 2.5 support for rule descriptions
was added.
required: false
version_added: "1.6"
state:
@ -111,6 +113,20 @@ notes:
'''
EXAMPLES = '''
- name: example using security group rule descriptions
ec2_group:
name: "{{ name }}"
description: sg with rule descriptions
vpc_id: vpc-xxxxxxxx
profile: "{{ aws_profile }}"
region: us-east-1
rules:
- proto: tcp
ports:
- 80
cidr_ip: 0.0.0.0/0
rule_desc: allow all on port 80
- name: example ec2 group
ec2_group:
name: example
@ -318,7 +334,7 @@ def add_rules_to_lookup(ipPermissions, group_id, prefix, dict):
def validate_rule(module, rule):
VALID_PARAMS = ('cidr_ip', 'cidr_ipv6',
'group_id', 'group_name', 'group_desc',
'proto', 'from_port', 'to_port')
'proto', 'from_port', 'to_port', 'rule_desc')
if not isinstance(rule, dict):
module.fail_json(msg='Invalid rule parameter type [%s].' % type(rule))
for k in rule:
@ -489,12 +505,37 @@ def rules_expand_sources(rules):
for rule in rule_expand_sources(rule_complex)]
def update_rules_description(module, client, rule_type, group_id, ip_permissions):
try:
if rule_type == "in":
client.update_security_group_rule_descriptions_ingress(GroupId=group_id, IpPermissions=[ip_permissions])
if rule_type == "out":
client.update_security_group_rule_descriptions_egress(GroupId=group_id, IpPermissions=[ip_permissions])
except botocore.exceptions.ClientError as e:
module.fail_json(
msg="Unable to update rule description for group %s: %s" %
(group_id, e),
exceptin=traceback.format_exc(), **camel_dict_to_snake_dict(e.response))
def authorize_ip(type, changed, client, group, groupRules,
ip, ip_permission, module, rule, ethertype):
# If rule already exists, don't later delete it
for thisip in ip:
rule_id = make_rule_key(type, rule, group['GroupId'], thisip)
if rule_id in groupRules:
# update the rule description
if 'rule_desc' in rule:
desired_rule_desc = rule.get('rule_desc') or ''
current_rule = groupRules[rule_id][0].get('IpRanges') or groupRules[rule_id][0].get('Ipv6Ranges')
if desired_rule_desc != current_rule[0].get('Description', ''):
if not module.check_mode:
ip_permission = serialize_ip_grant(rule, thisip, ethertype)
update_rules_description(module, client, type, group['GroupId'], ip_permission)
changed = True
# remove the rule from groupRules to avoid purging it later
del groupRules[rule_id]
else:
if not module.check_mode:
@ -521,6 +562,9 @@ def serialize_group_grant(group_id, rule):
'ToPort': rule['to_port'],
'UserIdGroupPairs': [{'GroupId': group_id}]}
if 'rule_desc' in rule:
permission['UserIdGroupPairs'][0]['Description'] = rule.get('rule_desc') or ''
return fix_port_and_protocol(permission)
@ -555,8 +599,12 @@ def serialize_ip_grant(rule, thisip, ethertype):
'ToPort': rule['to_port']}
if ethertype == "ipv4":
permission['IpRanges'] = [{'CidrIp': thisip}]
if 'rule_desc' in rule:
permission['IpRanges'][0]['Description'] = rule.get('rule_desc') or ''
elif ethertype == "ipv6":
permission['Ipv6Ranges'] = [{'CidrIpv6': thisip}]
if 'rule_desc' in rule:
permission['Ipv6Ranges'][0]['Description'] = rule.get('rule_desc') or ''
return fix_port_and_protocol(permission)
@ -574,6 +622,21 @@ def fix_port_and_protocol(permission):
return permission
def check_rule_desc_update_for_group_grant(client, module, rule, group, groupRules, rule_id, group_id, rule_type, changed):
if 'rule_desc' in rule:
current_rule_description = rule.get('rule_desc') or ''
if current_rule_description != groupRules[rule_id][0]['UserIdGroupPairs'][0].get('Description', ''):
if not module.check_mode:
ip_permission = serialize_group_grant(group_id, rule)
update_rules_description(module, client, rule_type, group['GroupId'], ip_permission)
changed = True
return changed
def has_rule_description_attr(client):
return hasattr(client, "update_security_group_rule_descriptions_egress")
def main():
argument_spec = ec2_argument_spec()
argument_spec.update(dict(
@ -622,6 +685,12 @@ def main():
"environment variable or in the AWS credentials "
"profile.")
client = boto3_conn(module, conn_type='client', resource='ec2', endpoint=ec2_url, region=region, **aws_connect_params)
if not has_rule_description_attr(client):
all_rules = rules if rules else [] + rules_egress if rules_egress else []
if any('rule_desc' in rule for rule in all_rules):
module.fail_json(msg="Using rule descriptions requires botocore version >= 1.7.2.")
group = None
groups = dict()
security_groups = []
@ -751,6 +820,8 @@ def main():
if group_id:
rule_id = make_rule_key('in', rule, group['GroupId'], group_id)
if rule_id in groupRules:
changed = check_rule_desc_update_for_group_grant(client, module, rule, group, groupRules,
rule_id, group_id, rule_type='in', changed=changed)
del groupRules[rule_id]
else:
if not module.check_mode:
@ -816,6 +887,8 @@ def main():
if group_id:
rule_id = make_rule_key('out', rule, group['GroupId'], group_id)
if rule_id in groupRules:
changed = check_rule_desc_update_for_group_grant(client, module, rule, group, groupRules,
rule_id, group_id, rule_type='out', changed=changed)
del groupRules[rule_id]
else:
if not module.check_mode:

181
test/integration/targets/ec2_group/tasks/main.yml
View file

@ -629,6 +629,187 @@
# ============================================================
- name: test adding a rule and egress rule descriptions (expected changed=true)
ec2_group:
name: '{{ec2_group_name}}'
description: '{{ec2_group_description}}'
ec2_region: '{{ec2_region}}'
ec2_access_key: '{{ec2_access_key}}'
ec2_secret_key: '{{ec2_secret_key}}'
security_token: '{{security_token}}'
vpc_id: '{{ vpc_result.vpc.id }}'
# purge the other rules so assertions work for the subsequent tests for rule descriptions
purge_rules_egress: true
purge_rules: true
state: present
rules:
- proto: "tcp"
ports:
- 8281
cidr_ipv6: 1001:d00::/24
rule_desc: ipv6 rule desc 1
rules_egress:
- proto: "tcp"
ports:
- 8282
cidr_ip: 2.2.2.2/32
rule_desc: egress rule desc 1
register: result
- name: assert that rule descriptions are created (expected changed=true)
# Only assert this if rule description is defined as the botocore version may < 1.7.2.
# It's still helpful to have these tests run on older versions since it verifies backwards
# compatibility with this feature.
assert:
that:
- 'result.changed'
- 'result.ip_permissions[0].ipv6_ranges[0].description == "ipv6 rule desc 1"'
- 'result.ip_permissions_egress[0].ip_ranges[0].description == "egress rule desc 1"'
when: result.ip_permissions_egress[0].ip_ranges[0].description is defined
- name: if an older version of botocore is installed changes should still have changed due to purged rules (expected changed=true)
assert:
that:
- 'result.changed'
when: result.ip_permissions_egress[0].ip_ranges[0].description is undefined
# ============================================================
- name: test modifying rule and egress rule descriptions (expected changed=true)
ec2_group:
name: '{{ec2_group_name}}'
description: '{{ec2_group_description}}'
ec2_region: '{{ec2_region}}'
ec2_access_key: '{{ec2_access_key}}'
ec2_secret_key: '{{ec2_secret_key}}'
security_token: '{{security_token}}'
vpc_id: '{{ vpc_result.vpc.id }}'
purge_rules_egress: false
purge_rules: false
state: present
rules:
- proto: "tcp"
ports:
- 8281
cidr_ipv6: 1001:d00::/24
rule_desc: ipv6 rule desc 2
rules_egress:
- proto: "tcp"
ports:
- 8282
cidr_ip: 2.2.2.2/32
rule_desc: egress rule desc 2
register: result
- name: assert that rule descriptions were modified (expected changed=true)
# Only assert this if rule description is defined as the botocore version may < 1.7.2.
# It's still helpful to have these tests run on older versions since it verifies backwards
# compatibility with this feature.
assert:
that:
- 'result.changed'
- 'result.ip_permissions[0].ipv6_ranges[0].description == "ipv6 rule desc 2"'
- 'result.ip_permissions_egress[0].ip_ranges[0].description == "egress rule desc 2"'
when: result.ip_permissions_egress[0].ip_ranges[0].description is defined
- name: if an older version of botocore is installed everything should stay the same (expected changed=false)
assert:
that:
- 'not result.changed'
when: result.ip_permissions_egress[0].ip_ranges[0].description is undefined
# ============================================================
- name: test that keeping the same rule descriptions (expected changed=false)
ec2_group:
name: '{{ec2_group_name}}'
description: '{{ec2_group_description}}'
ec2_region: '{{ec2_region}}'
ec2_access_key: '{{ec2_access_key}}'
ec2_secret_key: '{{ec2_secret_key}}'
security_token: '{{security_token}}'
vpc_id: '{{ vpc_result.vpc.id }}'
purge_rules_egress: false
purge_rules: false
state: present
rules:
- proto: "tcp"
ports:
- 8281
cidr_ipv6: 1001:d00::/24
rule_desc: ipv6 rule desc 2
rules_egress:
- proto: "tcp"
ports:
- 8282
cidr_ip: 2.2.2.2/32
rule_desc: egress rule desc 2
register: result
- name: assert that rule descriptions stayed the same (expected changed=false)
# Only assert this if rule description is defined as the botocore version may < 1.7.2.
# It's still helpful to have these tests run on older versions since it verifies backwards
# compatibility with this feature.
assert:
that:
- 'not result.changed'
- 'result.ip_permissions[0].ipv6_ranges[0].description == "ipv6 rule desc 2"'
- 'result.ip_permissions_egress[0].ip_ranges[0].description == "egress rule desc 2"'
when: result.ip_permissions_egress[0].ip_ranges[0].description is defined
- name: if an older version of botocore is installed everything should stay the same (expected changed=false)
assert:
that:
- 'not result.changed'
when: result.ip_permissions_egress[0].ip_ranges[0].description is undefined
# ============================================================
- name: test removing rule descriptions (expected changed=true)
ec2_group:
name: '{{ec2_group_name}}'
description: '{{ec2_group_description}}'
ec2_region: '{{ec2_region}}'
ec2_access_key: '{{ec2_access_key}}'
ec2_secret_key: '{{ec2_secret_key}}'
security_token: '{{security_token}}'
vpc_id: '{{ vpc_result.vpc.id }}'
purge_rules_egress: false
purge_rules: false
state: present
rules:
- proto: "tcp"
ports:
- 8281
cidr_ipv6: 1001:d00::/24
rule_desc:
rules_egress:
- proto: "tcp"
ports:
- 8282
cidr_ip: 2.2.2.2/32
rule_desc:
register: result
- name: assert that rule descriptions were removed (expected changed=true)
# Only assert this if rule description is defined as the botocore version may < 1.7.2.
# It's still helpful to have these tests run on older versions since it verifies backwards
# compatibility with this feature.
assert:
that:
- 'result.changed'
- 'not result.ip_permissions[0].ipv6_ranges[0].description'
- 'not result.ip_permissions_egress[0].ip_ranges[0].description'
when: result.ip_permissions_egress[0].ip_ranges[0].description is defined
- name: if an older version of botocore is installed everything should stay the same (expected changed=false)
assert:
that:
- 'not result.changed'
when: result.ip_permissions_egress[0].ip_ranges[0].description is undefined
# ============================================================
- name: test state=absent (expected changed=true)
ec2_group:
name: '{{ec2_group_name}}'