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test_revisions.py
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# Copyright The Cloud Custodian Authors.
# SPDX-License-Identifier: Apache-2.0
# from c7n.filters import revisions
from c7n.resources.vpc import SecurityGroupDiff, SecurityGroupPatch
from .common import BaseTest
class SGDiffLibTest(BaseTest):
def test_sg_diff_remove_ingress(self):
factory = self.replay_flight_data("test_sg_config_ingres_diff")
p = self.load_policy(
{
"name": "sg-differ",
"resource": "security-group",
"filters": [
{"GroupId": "sg-65229a0c"},
{
"type": "diff",
"selector": "date",
"selector_value": "2017/01/27 00:40Z",
},
],
},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
self.maxDiff = None
self.assertEqual(
resources[0]["c7n:diff"],
{
"ingress": {
"removed": [
{
u"FromPort": 0,
u"IpProtocol": u"tcp",
u"IpRanges": [],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 0,
u"UserIdGroupPairs": [
{u"GroupId": u"sg-aa6c90c3", u"UserId": u"644160558196"}
],
}
]
}
},
)
def test_json_diff_pitr(self):
factory = self.replay_flight_data("test_sg_config_diff")
p = self.load_policy(
{
"name": "sg-differ",
"resource": "security-group",
"filters": [
{"GroupId": "sg-a38ed1de"},
{
"type": "json-diff",
"selector": "date",
"selector_value": "2016/12/11 17:25Z",
},
],
},
session_factory=factory,
)
resources = p.run()
self.maxDiff = None
self.assertEqual(len(resources), 1)
for change in [
{
u"op": u"add",
u"path": u"/IpPermissionsEgress/0/UserIdGroupPairs/0",
u"value": {u"GroupId": u"sg-a08ed1dd", u"UserId": u"644160558196"},
},
{u"op": u"replace", u"path": u"/Tags/1/Key", u"value": u"Scope"},
{u"op": u"replace", u"path": u"/Tags/1/Value", u"value": u"account"},
{
u"op": u"add",
u"path": u"/Tags/2",
u"value": {u"Key": u"NetworkLocation", u"Value": u"DMZ"},
},
{u"op": u"replace", u"path": u"/IpPermissions/1/FromPort", u"value": 22},
{
u"op": u"replace",
u"path": u"/IpPermissions/1/IpRanges/0/CidrIp",
u"value": u"10.0.0.0/24",
},
{u"op": u"replace", u"path": u"/IpPermissions/1/ToPort", u"value": 22},
{
u"op": u"add",
u"path": u"/IpPermissions/2",
u"value": {
u"FromPort": 8485,
u"IpProtocol": u"tcp",
u"IpRanges": [],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 8485,
u"UserIdGroupPairs": [
{u"GroupId": u"sg-a38ed1de", u"UserId": u"644160558196"}
],
},
},
{
u"op": u"add",
u"path": u"/IpPermissions/3",
u"value": {
u"FromPort": 443,
u"IpProtocol": u"tcp",
u"IpRanges": [{u"CidrIp": u"10.42.1.0/24"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 443,
u"UserIdGroupPairs": [],
},
},
]:
self.assertTrue(change in resources[0]["c7n:diff"])
def test_sg_diff_pitr(self):
factory = self.replay_flight_data("test_sg_config_diff")
p = self.load_policy(
{
"name": "sg-differ",
"resource": "security-group",
"filters": [
{"GroupId": "sg-a38ed1de"},
{
"type": "diff",
"selector": "date",
"selector_value": "2016/12/11 17:25Z",
},
],
},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
self.maxDiff = None
self.assertEqual(
resources[0]["c7n:diff"],
{
"egress": {
"added": [
{
u"IpProtocol": u"-1",
u"IpRanges": [{u"CidrIp": u"0.0.0.0/0"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"UserIdGroupPairs": [
{u"GroupId": u"sg-a08ed1dd", u"UserId": u"644160558196"}
],
}
],
"removed": [
{
u"IpProtocol": u"-1",
u"IpRanges": [{u"CidrIp": u"0.0.0.0/0"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"UserIdGroupPairs": [],
}
],
},
"ingress": {
"added": [
{
u"FromPort": 22,
u"IpProtocol": u"tcp",
u"IpRanges": [{u"CidrIp": u"10.0.0.0/24"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 22,
u"UserIdGroupPairs": [],
},
{
u"FromPort": 8485,
u"IpProtocol": u"tcp",
u"IpRanges": [],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 8485,
u"UserIdGroupPairs": [
{u"GroupId": u"sg-a38ed1de", u"UserId": u"644160558196"}
],
},
]
},
"tags": {"added": {u"Scope": u"account"}},
},
)
def test_sg_patch_pitr(self):
factory = self.replay_flight_data("test_sg_config_patch_pitr")
p = self.load_policy(
{
"name": "sg-differ",
"resource": "security-group",
"filters": [
{"GroupId": "sg-a38ed1de"},
{
"type": "diff",
"selector": "date",
"selector_value": "2016/12/11 17:25Z",
},
],
"actions": ["patch"],
},
session_factory=factory,
)
resources = p.run()
self.assertEqual(len(resources), 1)
current_resource = factory().client("ec2").describe_security_groups(
GroupIds=["sg-a38ed1de"]
)[
"SecurityGroups"
][
0
]
self.maxDiff = None
self.assertEqual(
current_resource, resources[0]["c7n:previous-revision"]["resource"]
)
def test_sg_diff_patch(self):
factory = self.replay_flight_data("test_security_group_revisions_delta")
client = factory().client("ec2")
vpc_id = client.create_vpc(CidrBlock="10.42.0.0/16")["Vpc"]["VpcId"]
self.addCleanup(client.delete_vpc, VpcId=vpc_id)
sg_id = client.create_security_group(
GroupName="allow-access", VpcId=vpc_id, Description="inbound access"
)[
"GroupId"
]
self.addCleanup(client.delete_security_group, GroupId=sg_id)
client.create_tags(
Resources=[sg_id],
Tags=[
{"Key": "NetworkLocation", "Value": "DMZ"},
{"Key": "App", "Value": "blue-moon"},
],
)
client.authorize_security_group_ingress(
GroupId=sg_id,
IpPermissions=[
{
"IpProtocol": "tcp",
"FromPort": 443,
"ToPort": 443,
"IpRanges": [{"CidrIp": "10.42.1.0/24"}],
},
{
"IpProtocol": "tcp",
"FromPort": 8080,
"ToPort": 8080,
"IpRanges": [{"CidrIp": "0.0.0.0/0"}],
},
],
)
s1 = client.describe_security_groups(GroupIds=[sg_id])["SecurityGroups"][0]
# Modify state
client.create_tags(
Resources=[sg_id],
Tags=[
{"Key": "App", "Value": "red-moon"},
{"Key": "Stage", "Value": "production"},
],
)
client.revoke_security_group_ingress(
GroupId=sg_id,
IpPermissions=[
{
"IpProtocol": "tcp",
"FromPort": 8080,
"ToPort": 8080,
"IpRanges": [{"CidrIp": "0.0.0.0/0"}],
}
],
)
client.authorize_security_group_ingress(
GroupId=sg_id,
IpPermissions=[
{
"IpProtocol": "tcp",
"FromPort": 80,
"ToPort": 80,
"IpRanges": [{"CidrIp": "0.0.0.0/0"}],
}
],
)
s2 = client.describe_security_groups(GroupIds=[sg_id])["SecurityGroups"][0]
# Apply reverse delta
self.maxDiff = None
self.assertEqual(
{
"ingress": {
"added": [
{
u"FromPort": 80,
u"IpProtocol": "tcp",
u"IpRanges": [{u"CidrIp": "0.0.0.0/0"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 80,
u"UserIdGroupPairs": [],
}
],
"removed": [
{
u"FromPort": 8080,
u"IpProtocol": "tcp",
u"IpRanges": [{u"CidrIp": "0.0.0.0/0"}],
u"Ipv6Ranges": [],
u"PrefixListIds": [],
u"ToPort": 8080,
u"UserIdGroupPairs": [],
}
],
},
"tags": {
"added": {"Stage": "production"}, "updated": {"App": "red-moon"}
},
},
SecurityGroupDiff().diff(s1, s2),
)
SecurityGroupPatch().apply_delta(client, s2, SecurityGroupDiff().diff(s2, s1))
# Compare to origin
s3 = client.describe_security_groups(GroupIds=[sg_id])["SecurityGroups"][0]
self.assertEqual(s1, s3)