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How to use describe_instances method in localstack
Best Python code snippet using localstack_python
load_balancer.py
Source:load_balancer.py 
...44 },45 ],46 )47time.sleep(120)48existing_instances = ec2.describe_instances()49pub_ip={}50for i in (existing_instances["Reservations"]):51 if ("Tags" in list(i["Instances"][0].keys())):52 for tag in (i["Instances"][0]["Tags"]):53 if(tag["Value"]=="tirta"):54 status = i["Instances"][0]["State"]["Name"]55 if status == "running":56 pub_ip[(i["Instances"][0]["InstanceId"])]= i["Instances"][0]["PublicIpAddress"]57print("As publics IP que estao rodando sao: ", pub_ip)58@app.route('/', defaults={'path': ''})59@app.route('/<path:path>')60def catch_all(path):61 global pub_ip62 ip = random.choice(list(pub_ip.values()))63 return redirect("http://" + ip + ":5000/" + path,code=307)64#https://www.saltycrane.com/blog/2008/09/simplistic-python-thread-example/65def timeout():66 print("Deu ruim... timeout")67 global id_atual68 global pub_ip69 global quant70 print("a id que falhou eh",id_atual)71 existing_instances = ec2.describe_instances()72 ec2.terminate_instances(InstanceIds=[id_atual])73 74 75 76 existing_instances = ec2.describe_instances()77 for i in range(len(existing_instances["Reservations"])):78 for tag in (existing_instances["Reservations"][i]["Instances"]):79 if(tag["InstanceId"]==id_atual):80 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]81 while (status!="terminated"):82 existing_instances = ec2.describe_instances()83 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]84 time.sleep(8)85 continue86 pub_ip={}87 existing_instances = ec2.describe_instances()88 for i in (existing_instances["Reservations"]):89 if ("Tags" in list(i["Instances"][0].keys())):90 for tag in (i["Instances"][0]["Tags"]):91 if(tag["Value"]=="tirta"):92 status = i["Instances"][0]["State"]["Name"]93 if status == "running":94 pub_ip[(i["Instances"][0]["InstanceId"])]= i["Instances"][0]["PublicIpAddress"]95 if (len(list(pub_ip.values())))>int(quant):96 existing_instances = ec2.describe_instances()97 id_extra=random.choice(list(pub_ip.keys()))98 ec2.terminate_instances(InstanceIds=[id_extra])99 existing_instances = ec2.describe_instances()100 for i in range(len(existing_instances["Reservations"])):101 for tag in (existing_instances["Reservations"][i]["Instances"]):102 if(tag["InstanceId"]==id_atual):103 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]104 while (status!="terminated"):105 existing_instances = ec2.describe_instances()106 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]107 time.sleep(8)108 continue109 while(len(list(pub_ip.values()))<int(quant)):110 print("Creating Instance")111 ec2_service.create_instances(ImageId='ami-0ac019f4fcb7cb7e6', MinCount=1, MaxCount=1,112 InstanceType='t2.micro',113 KeyName='teste',114 SecurityGroups=['aps'],115 UserData="""#!/bin/bash116 cd home/ubuntu/117 git clone https://github.com/eduardotp1/projeto_cloud.git118 sudo apt-get -y update119 sudo apt-get install -y python3-pip120 sudo pip3 install flask121 sudo pip3 install flask_restful122 sudo pip3 install boto3123 cd projeto_cloud/124 python3 app.py125 """,126 TagSpecifications=[127 {128 'ResourceType': 'instance',129 'Tags': [130 {131 'Key': 'Owner',132 'Value': 'tirta'133 },134 ]135 },136 ],137 )138 time.sleep(120)139 pub_ip={}140 existing_instances = ec2.describe_instances()141 for i in (existing_instances["Reservations"]):142 if ("Tags" in list(i["Instances"][0].keys())):143 for tag in (i["Instances"][0]["Tags"]):144 if(tag["Value"]=="tirta"):145 status = i["Instances"][0]["State"]["Name"]146 if status == "running":147 pub_ip[(i["Instances"][0]["InstanceId"])]= i["Instances"][0]["PublicIpAddress"]148 149 existing_instances = ec2.describe_instances()150 for i in (existing_instances["Reservations"]):151 if ("Tags" in list(i["Instances"][0].keys())):152 for tag in (i["Instances"][0]["Tags"]):153 if(tag["Value"]=="tirta"):154 status = i["Instances"][0]["State"]["Name"]155 if status == "running":156 pub_ip[(i["Instances"][0]["InstanceId"])]= i["Instances"][0]["PublicIpAddress"]157 health()158if (len(list(pub_ip.values()))!=0):159 id_atual = list(pub_ip.values())[0]160def health():161 global pub_ip162 global id_atual163 global quant164 while(True):165 if (len(list(pub_ip.keys()))<int(quant)):166 print("Creating Instance")167 ec2_service.create_instances(ImageId='ami-0ac019f4fcb7cb7e6', MinCount=1, MaxCount=1,168 InstanceType='t2.micro',169 KeyName='teste',170 SecurityGroups=['aps'],171 UserData="""#!/bin/bash172 cd home/ubuntu/173 git clone https://github.com/eduardotp1/projeto_cloud.git174 sudo apt-get -y update175 sudo apt-get install -y python3-pip176 sudo pip3 install flask177 sudo pip3 install flask_restful178 sudo pip3 install boto3179 cd projeto_cloud/180 python3 app.py181 """,182 TagSpecifications=[183 {184 'ResourceType': 'instance',185 'Tags': [186 {187 'Key': 'Owner',188 'Value': 'tirta'189 },190 ]191 },192 ],193 )194 time.sleep(120)195 elif (len(list(pub_ip.values()))>int(quant)):196 existing_instances = ec2.describe_instances()197 id_extra=random.choice(list(pub_ip.keys()))198 ec2.terminate_instances(InstanceIds=[id_extra])199 existing_instances = ec2.describe_instances()200 for i in range(len(existing_instances["Reservations"])):201 for tag in (existing_instances["Reservations"][i]["Instances"]):202 if(tag["InstanceId"]==id_atual):203 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]204 while (status!="terminated"):205 existing_instances = ec2.describe_instances()206 status=existing_instances["Reservations"][i]["Instances"][0]["State"]["Name"]207 time.sleep(8)208 continue209 pub_ip={}210 existing_instances = ec2.describe_instances()211 for i in (existing_instances["Reservations"]):212 if ("Tags" in list(i["Instances"][0].keys())):213 for tag in (i["Instances"][0]["Tags"]):214 if(tag["Value"]=="tirta"):215 status = i["Instances"][0]["State"]["Name"]216 if status == "running":217 pub_ip[(i["Instances"][0]["InstanceId"])]= i["Instances"][0]["PublicIpAddress"]218 for key, values in pub_ip.items():219 id_atual=key220 t = Timer(50.0,timeout)221 t.start()222 try:223 r=requests.get('http://' + values + ':5000/healthcheck')224 except:...
test_aws.py
Source:test_aws.py
1"""Test the AWS module"""2# pylint: disable=redefined-outer-name,no-self-use,unused-argument,protected-access,missing-docstring,invalid-name,line-too-long3from collections import namedtuple4import json5try:6 from unittest.mock import patch7except ImportError:8 from mock import patch9import pytest10from aws_ssh import aws, errors11SessionVars = namedtuple('SessionVars', 'session instance client describe_instances')12@pytest.fixture13def session_vars():14 with patch('boto3.session.Session') as session_mock:15 instance = session_mock.return_value16 client = instance.client17 describe_instances = client.return_value.describe_instances18 yield SessionVars(session_mock, instance, client, describe_instances)19def test_get_session():20 with patch('boto3.session.Session') as session_mock:21 aws.get_session('foobar')22 session_mock.assert_called_with(profile_name='foobar')23def test_get_instance_info(session_vars):24 session_vars.describe_instances.return_value = get_sample_response()25 info = aws.get_instance_info('foobar', 'test-', 'name')26 session_vars.session.assert_called_with(profile_name='foobar')27 session_vars.client.assert_called_with('ec2')28 assert session_vars.describe_instances.called29 assert info['PublicIpAddress'] == '52.90.39.59'30def test_get_instance_info_empty(session_vars):31 session_vars.describe_instances.return_value = get_sample_response(0)32 with pytest.raises(errors.NoInstanceFoundError):33 aws.get_instance_info('foobar', 'test-', 'name')34def test_get_instance_info_multiple(session_vars):35 session_vars.describe_instances.return_value = get_sample_response(2)36 with pytest.raises(errors.TooManyInstancesError):37 aws.get_instance_info('foobar', 'test-', 'name')38def get_sample_response(instance_count=1):39 response = {'Reservations': [{'Instances': []}]}40 if instance_count == 0:41 response['Reservations'] = []42 return response43 response['Reservations'][0]['Instances'] = [json.loads(SAMPLE_INSTANCE_BODY) for _ in range(instance_count)]44 return response45SAMPLE_INSTANCE_BODY = """46{"InstanceId": "i-0958008e", "ImageId": "ami-d05e75b8", "State": {"Code": 16, "Name": "running"}, "PrivateDnsName": "ip-10-0-0-186.ec2.internal", "PublicDnsName": "ec2-52.90.39.59.compute-1.amazonaws.com", "StateTransitionReason": "", "KeyName": "project", "AmiLaunchIndex": 0, "ProductCodes": [], "InstanceType": "m3.large", "LaunchTime": "2016-05-12T19:38:00.000Z", "Placement": {"AvailabilityZone": "us-east-1a", "GroupName": "", "Tenancy": "default"}, "Monitoring": {"State": "disabled"}, "SubnetId": "subnet-8dadbffa", "VpcId": "vpc-e821f18c", "PrivateIpAddress": "10.0.0.186", "PublicIpAddress": "52.90.39.59", "Architecture": "x86_64", "RootDeviceType": "ebs", "RootDeviceName": "/dev/sda1", "BlockDeviceMappings": [{"DeviceName": "/dev/sda1", "Ebs": {"VolumeId": "vol-3f4df594", "Status": "attached", "AttachTime": "2016-05-12T19:38:01.000Z", "DeleteOnTermination": true}}], "VirtualizationType": "hvm", "ClientToken": "project-Comput-1HKOY7086GV2G", "Tags": [{"Key": "POC", "Value": "Aru Sahni"}, {"Key": "Name", "Value": "project-compute"}, {"Key": "aws:cloudformation:logical-id", "Value": "ComputeInstance"}, {"Key": "Class", "Value": "project-compute"}, {"Key": "Project", "Value": "project"}, {"Key": "Stack", "Value": "project-cloudformation"}, {"Key": "aws:cloudformation:stack-id", "Value": "arn:aws:cloudformation:us-east-1:577354146450:stack/project/7ab2d640-66e6-11e5-955a-500150b34c7c"}, {"Key": "aws:cloudformation:stack-name", "Value": "project"}], "SecurityGroups": [{"GroupName": "project-SecurityGroupComputeWeb-W8OZK5PH7KRN", "GroupId": "sg-5457982f"}, {"GroupName": "project-SecurityGroupHGHQ-G86ETFB3FG4O", "GroupId": "sg-de9476b8"}], "SourceDestCheck": true, "Hypervisor": "xen", "NetworkInterfaces": [{"NetworkInterfaceId": "eni-800518c0", "SubnetId": "subnet-8dadbffa", "VpcId": "vpc-e821f18c", "Description": "Primary network interface", "OwnerId": "577354146450", "Status": "in-use", "MacAddress": "0a:1e:c9:33:d8:15", "PrivateIpAddress": "10.0.0.186", "PrivateDnsName": "ip-10-0-0-186.ec2.internal", "SourceDestCheck": true, "Groups": [{"GroupName": "project-SecurityGroupComputeWeb-W8OZK5PH7KRN", "GroupId": "sg-5457982f"}, {"GroupName": "project-SecurityGroupHGHQ-G86ETFB3FG4O", "GroupId": "sg-de9476b8"}], "Attachment": {"AttachmentId": "eni-attach-f61a4b0b", "DeviceIndex": 0, "Status": "attached", "AttachTime": "2016-05-12T19:38:00.000Z", "DeleteOnTermination": true}, "Association": {"PublicIp": "52.90.39.59", "PublicDnsName": "ec2-52.90.39.59.compute-1.amazonaws.com", "IpOwnerId": "amazon"}, "PrivateIpAddresses": [{"PrivateIpAddress": "10.0.0.186", "PrivateDnsName": "ip-10-0-0-186.ec2.internal", "Primary": true, "Association": {"PublicIp": "52.90.39.59", "PublicDnsName": "ec2-52.90.39.59.compute-1.amazonaws.com", "IpOwnerId": "amazon"}}], "Ipv6Addresses": []}], "IamInstanceProfile": {"Arn": "arn:aws:iam::577354146450:instance-profile/project-ComputeInstanceProfile-J4Q37C5EEWSI", "Id": "AIPAIGVRQT3L5JVKDWKCS"}, "EbsOptimized": false}...
test_policy_gen.py
Source:test_policy_gen.py
...15 stub.add_response('describe_images', {}, {})16 policy_gen = PolicyGenerator()17 policy_gen.record()18 stub.activate()19 ec2.describe_instances()20 ec2.describe_images()21 policy = json.loads(policy_gen.generate())22 assert 'Statement' in policy23 assert len(policy['Statement']) == 124 assert len(policy['Statement'][0]['Action']) == 225 assert 'ec2:DescribeInstances' in policy['Statement'][0]['Action']26 assert 'ec2:DescribeImages' in policy['Statement'][0]['Action']27 def test_records_policy_from_multiple_clients(self):28 ec2, ec2_stub = self.gen_client_and_stub('ec2')29 rds, rds_stub = self.gen_client_and_stub('rds')30 s3, s3_stub = self.gen_client_and_stub('s3')31 ec2_stub.add_response('describe_instances', {}, {})32 rds_stub.add_response('describe_db_instances', {}, {})33 s3_stub.add_response('list_buckets', {}, {})34 policy_gen = PolicyGenerator()35 policy_gen.record()36 ec2_stub.activate()37 rds_stub.activate()38 s3_stub.activate()39 ec2.describe_instances()40 rds.describe_db_instances()41 s3.list_buckets()42 policy = json.loads(policy_gen.generate())43 assert len(policy['Statement'][0]['Action']) == 344 assert 'ec2:DescribeInstances' in policy['Statement'][0]['Action']45 assert 's3:ListBuckets' in policy['Statement'][0]['Action']46 assert 'rds:DescribeDBInstances' in policy['Statement'][0]['Action']47 def test_actions_in_policy_are_unique(self):48 ec2, stub = self.gen_client_and_stub('ec2')49 for i in range(10):50 stub.add_response('describe_instances', {}, {})51 policy_gen = PolicyGenerator()52 policy_gen.record()53 stub.activate()54 for i in range(10):55 ec2.describe_instances()56 policy = json.loads(policy_gen.generate())57 assert len(policy['Statement'][0]['Action']) == 158 assert 'ec2:DescribeInstances' in policy['Statement'][0]['Action']59 def test_stub_can_be_activated_before_policy_gen(self):60 ec2, stub = self.gen_client_and_stub('ec2')61 stub.add_response('describe_instances', {}, {})62 stub.activate()63 policy_gen = PolicyGenerator()64 policy_gen.record()65 ec2.describe_instances()66 policy = json.loads(policy_gen.generate())67 assert len(policy['Statement'][0]['Action']) == 168 assert 'ec2:DescribeInstances' in policy['Statement'][0]['Action']69 @mock_ec270 def test_policy_is_recorded_when_not_stubbed(self):71 session = boto3.Session(region_name='eu-west-1')72 ec2 = session.client('ec2')73 policy_gen = PolicyGenerator()74 policy_gen.record()75 ec2.describe_instances()76 policy = json.loads(policy_gen.generate())77 assert len(policy['Statement'][0]['Action']) == 1...
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