forked from nebari-dev/nebari
-
Notifications
You must be signed in to change notification settings - Fork 0
/
aws-force-destroy.py
393 lines (291 loc) · 14 KB
/
aws-force-destroy.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
import argparse
import logging
import time
from pathlib import Path
from _nebari.utils import check_cloud_credentials, load_yaml, timer
logging.basicConfig(level=logging.INFO)
def main():
parser = argparse.ArgumentParser(description="Force Destroy AWS environment.")
parser.add_argument("-c", "--config", help="nebari configuration", required=True)
args = parser.parse_args()
handle_force_destroy(args)
def handle_force_destroy(args):
config_filename = Path(args.config)
if not config_filename.is_file():
raise ValueError(
f"passed in configuration filename={config_filename} must exist"
)
config = load_yaml(config_filename)
# Don't verify(config) in case the schema has changed - just pick out the important bits and tear down
force_destroy_configuration(config)
def parse_arn(arn):
# http://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html
elements = arn.split(":", 5)
result = {
# "arn": elements[0],
"partition": elements[1],
"service": elements[2],
"region": elements[3],
"account": elements[4],
"resource": elements[5],
"resource_type": None,
"arn": arn, # Full ARN
}
if "/" in result["resource"]:
result["resource_type"], result["resource"] = result["resource"].split("/", 1)
elif ":" in result["resource"]:
result["resource_type"], result["resource"] = result["resource"].split(":", 1)
return result
def force_destroy_configuration(config):
logging.info("""FORCE Removing all infrastructure (not using terraform).""")
with timer(logging, "destroying nebari"):
# 01 Check we have cloud details we need
check_cloud_credentials(config)
if config.get("provider", "") != "aws":
raise ValueError("force-destroy currently only available for AWS")
project_name = config.get("project_name", "").strip()
if project_name == "":
raise ValueError("project_name cannot be blank")
if "amazon_web_services" not in config:
raise ValueError(
"amazon_web_services section must exist in nebari-config.yaml"
)
region = config["amazon_web_services"].get("region", "").strip()
if region == "":
raise ValueError(
"amazon_web_services.region must exist in nebari-config.yaml"
)
logging.info(f"Remove AWS project {project_name} in region {region}")
env = config.get("namespace", "dev").strip()
# 02 Remove all infrastructure
try:
import boto3
except ImportError:
raise ValueError(
"Please ensure boto3 package is installed using: pip install boto3==1.17.98"
)
restag = boto3.client("resourcegroupstaggingapi", region_name=region)
filter_params = dict(
TagFilters=[
{
"Key": "Owner",
"Values": [
"terraform",
"terraform-state",
],
},
{
"Key": "Environment",
"Values": [
env,
],
},
{
"Key": "Project",
"Values": [
project_name,
],
},
],
ResourcesPerPage=50,
)
resources = []
response = restag.get_resources(**filter_params)
resources.extend(response["ResourceTagMappingList"])
while "PaginationToken" in response and response["PaginationToken"]:
token = response["PaginationToken"]
response = restag.get_resources(**filter_params, PaginationToken=token)
resources.extend(response["ResourceTagMappingList"])
# Load Balancer and other K8s-generated resources will need to be queried separately:
filter_params = dict(
TagFilters=[
{
"Key": f"kubernetes.io/cluster/{project_name}-{env}",
"Values": [
"owned",
],
}
],
ResourcesPerPage=50,
)
response = restag.get_resources(**filter_params)
resources.extend(response["ResourceTagMappingList"])
# IAM
iam = boto3.resource("iam")
for suffix in ("eks-cluster-role", "eks-node-group-role"):
try:
role = iam.Role(f"{project_name}-{env}-{suffix}")
if role.tags is not None:
tags_dict = dict(
[(t["Key"], t.get("Value", "")) for t in role.tags]
)
if (
tags_dict.get("Owner", "") == "terraform"
and tags_dict.get("Environment", "") == env
and tags_dict.get("Project", "") == project_name
):
resources.append({"ResourceARN": role.arn})
except iam.meta.client.exceptions.NoSuchEntityException:
pass
# Summarize resources
type_groups = {}
for r in resources:
de_arned = parse_arn(r["ResourceARN"])
t = f"{de_arned['service']}-{de_arned['resource_type']}"
type_groups.setdefault(t, []).append(de_arned)
logging.info(r["ResourceARN"])
logging.info([(k, len(v)) for k, v in type_groups.items()])
# Order
priority_types = (
"eks-nodegroup",
"eks-cluster",
"elasticloadbalancing-loadbalancer",
"ec2-internet-gateway",
"ec2-route-table",
"elasticfilesystem-file-system",
"ec2-subnet",
"ec2-security-group",
"ec2-vpc",
"ecr-repository",
"dynamodb-table",
"s3-None",
"resource-groups-group",
"iam-role",
)
for pt in priority_types:
logging.info(f"Inspect {pt}")
for r in type_groups.get(pt, []):
if pt == "eks-nodegroup":
nodegroup_resource = r["resource"].split("/")
cluster_name = nodegroup_resource[0]
nodegroup_name = nodegroup_resource[1]
logging.info(f"Delete {nodegroup_name} on cluster {cluster_name}")
client = boto3.client("eks", region_name=region)
client.delete_nodegroup(
clusterName=cluster_name, nodegroupName=nodegroup_name
)
elif pt == "eks-cluster":
logging.info(f"Delete EKS cluster {r['resource']}")
client = boto3.client("eks", region_name=region)
response = client.list_nodegroups(clusterName=r["resource"])
while len(response["nodegroups"]) > 0:
logging.info("Nodegroups still present, sleep 10")
time.sleep(10)
response = client.list_nodegroups(clusterName=r["resource"])
client.delete_cluster(name=r["resource"])
elif pt == "elasticloadbalancing-loadbalancer":
client = boto3.client("elb", region_name=region)
logging.info(f"Inspect Load balancer {r['resource']}")
logging.info(f"Delete Load balancer {r['resource']}")
response = client.delete_load_balancer(
LoadBalancerName=r["resource"]
)
elif pt == "ec2-route-table":
logging.info(f"Inspect route table {r['resource']}")
ec2 = boto3.resource("ec2", region_name=region)
route_table = ec2.RouteTable(r["resource"])
for assoc in route_table.associations:
logging.info(f"Delete route table assoc {assoc.id}")
assoc.delete()
time.sleep(10)
logging.info(f"Delete route table {r['resource']}")
route_table.delete()
elif pt == "ec2-subnet":
logging.info(f"Inspect subnet {r['resource']}")
ec2 = boto3.resource("ec2", region_name=region)
subnet = ec2.Subnet(r["resource"])
for ni in subnet.network_interfaces.all():
ni.load()
# But can only detach if attached...
if ni.attachment:
ni.detach(DryRun=False, Force=True)
ni.delete()
logging.info(f"Delete subnet {r['resource']}")
subnet.delete(DryRun=False)
elif pt == "ec2-security-group":
logging.info(f"Inspect security group {r['resource']}")
ec2 = boto3.resource("ec2", region_name=region)
security_group = ec2.SecurityGroup(r["resource"])
for ipperms in security_group.ip_permissions_egress:
security_group.revoke_egress(
DryRun=False, IpPermissions=[ipperms]
)
for ipperms in security_group.ip_permissions:
security_group.revoke_ingress(
DryRun=False, IpPermissions=[ipperms]
)
logging.info(f"Delete security group {r['resource']}")
security_group.delete(DryRun=False)
elif pt == "ec2-internet-gateway":
logging.info(f"Inspect internet gateway {r['resource']}")
ec2 = boto3.resource("ec2", region_name=region)
internet_gateway = ec2.InternetGateway(r["resource"])
for attach in internet_gateway.attachments:
logging.info(f"Inspect IG attachment {attach['VpcId']}")
if attach.get("State", "") == "available":
logging.info(f"Detach from VPC {attach['VpcId']}")
internet_gateway.detach_from_vpc(VpcId=attach["VpcId"])
time.sleep(10)
logging.info(f"Delete internet gateway {r['resource']}")
internet_gateway.delete(DryRun=False)
elif pt == "elasticfilesystem-file-system":
client = boto3.client("efs", region_name=region)
logging.info(f"Delete efs {r['resource']}")
mts = client.describe_mount_targets(FileSystemId=r["resource"])
for mt in mts["MountTargets"]:
client.delete_mount_target(MountTargetId=mt["MountTargetId"])
response = client.delete_file_system(FileSystemId=r["resource"])
## Should wait until this returns botocore.errorfactory.FileSystemNotFound:
# response = client.describe_file_systems(
# FileSystemId=r['resource']
# )
elif pt == "ec2-vpc":
logging.info(f"Inspect VPC {r['resource']}")
ec2 = boto3.resource("ec2", region_name=region)
vpc = ec2.Vpc(r["resource"])
# for cidr_assoc in vpc.cidr_block_association_set:
# logging.info(cidr_assoc)
# r = vpc.disassociate_subnet_cidr_block(
# AssociationId=cidr_assoc['AssociationId']
# )
# logging.info(r)
logging.info(f"Delete VPC {r['resource']}")
vpc.delete()
elif pt == "ecr-repository":
logging.info(f"Inspect ECR {r['resource']}")
client = boto3.client("ecr", region_name=region)
logging.info(f"Delete ecr {r['account']} / {r['resource']}")
response = response = client.delete_repository(
registryId=r["account"],
repositoryName=r["resource"],
force=True,
)
elif pt == "s3-None":
logging.info(f"Inspect S3 {r['resource']}")
s3 = boto3.resource("s3", region_name=region)
logging.info(f"Delete s3 {r['resource']}")
bucket = s3.Bucket(r["resource"])
r = bucket.objects.all().delete()
r = bucket.object_versions.delete()
response = bucket.delete()
elif pt == "dynamodb-table":
logging.info(f"Inspect DynamoDB {r['resource']}")
client = boto3.client("dynamodb", region_name=region)
logging.info(f"Delete DynamoDB {r['resource']}")
response = client.delete_table(TableName=r["resource"])
elif pt == "resource-groups-group":
logging.info(f"Inspect Resource Group {r['resource']}")
client = boto3.client("resource-groups", region_name=region)
logging.info(f"Delete Resource Group {r['resource']}")
response = client.delete_group(Group=r["arn"])
elif pt == "iam-role":
logging.info(f"Inspect IAM Role {r['resource']}")
iam = boto3.resource("iam")
role = iam.Role(r["resource"])
for policy in role.attached_policies.all():
logging.info(f"Detach Role policy {policy.arn}")
response = role.detach_policy(PolicyArn=policy.arn)
logging.info(f"Delete IAM Role {r['resource']}")
role.delete()
if __name__ == "__main__":
main()