def test_describe_instance_health_boto3():
elb = boto3.client('elb', region_name="us-east-1")
ec2 = boto3.client('ec2', region_name="us-east-1")
instances = ec2.run_instances(MinCount=2, MaxCount=2)['Instances']
lb_name = "my_load_balancer"
elb.create_load_balancer(
Listeners=[{
'InstancePort': 80,
'LoadBalancerPort': 8080,
'Protocol': 'HTTP'
}],
LoadBalancerName=lb_name,
)
elb.register_instances_with_load_balancer(
LoadBalancerName=lb_name,
Instances=[{'InstanceId': instances[0]['InstanceId']}]
)
instances_health = elb.describe_instance_health(
LoadBalancerName=lb_name,
Instances=[{'InstanceId': instance['InstanceId']} for instance in instances]
)
instances_health['InstanceStates'].should.have.length_of(2)
instances_health['InstanceStates'][0]['InstanceId'].\
should.equal(instances[0]['InstanceId'])
instances_health['InstanceStates'][0]['State'].\
should.equal('InService')
instances_health['InstanceStates'][1]['InstanceId'].\
should.equal(instances[1]['InstanceId'])
instances_health['InstanceStates'][1]['State'].\
should.equal('Unknown')
def test_describe_instance_health_boto3():
elb = boto3.client("elb", region_name="us-east-1")
ec2 = boto3.client("ec2", region_name="us-east-1")
instances = ec2.run_instances(MinCount=2, MaxCount=2)["Instances"]
lb_name = "my_load_balancer"
elb.create_load_balancer(
Listeners=[{
"InstancePort": 80,
"LoadBalancerPort": 8080,
"Protocol": "HTTP"
}],
LoadBalancerName=lb_name,
)
elb.register_instances_with_load_balancer(LoadBalancerName=lb_name,
Instances=[{
"InstanceId":
instances[0]["InstanceId"]
}])
instances_health = elb.describe_instance_health(
LoadBalancerName=lb_name,
Instances=[{
"InstanceId": instance["InstanceId"]
} for instance in instances],
)
instances_health["InstanceStates"].should.have.length_of(2)
instances_health["InstanceStates"][0]["InstanceId"].should.equal(
instances[0]["InstanceId"])
instances_health["InstanceStates"][0]["State"].should.equal("InService")
instances_health["InstanceStates"][1]["InstanceId"].should.equal(
instances[1]["InstanceId"])
instances_health["InstanceStates"][1]["State"].should.equal("Unknown")
def test_describe_instance_health_boto3():
elb = boto3.client('elb', region_name="us-east-1")
ec2 = boto3.client('ec2', region_name="us-east-1")
instances = ec2.run_instances(MinCount=2, MaxCount=2)['Instances']
lb_name = "my_load_balancer"
elb.create_load_balancer(
Listeners=[{
'InstancePort': 80,
'LoadBalancerPort': 8080,
'Protocol': 'HTTP'
}],
LoadBalancerName=lb_name,
)
elb.register_instances_with_load_balancer(LoadBalancerName=lb_name,
Instances=[{
'InstanceId':
instances[0]['InstanceId']
}])
instances_health = elb.describe_instance_health(LoadBalancerName=lb_name,
Instances=[{
'InstanceId':
instance['InstanceId']
} for instance in instances
])
instances_health['InstanceStates'].should.have.length_of(2)
instances_health['InstanceStates'][0]['InstanceId'].\
should.equal(instances[0]['InstanceId'])
instances_health['InstanceStates'][0]['State'].\
should.equal('InService')
instances_health['InstanceStates'][1]['InstanceId'].\
should.equal(instances[1]['InstanceId'])
instances_health['InstanceStates'][1]['State'].\
should.equal('Unknown')
def create_load_balancer(elb, instances):
hc = HealthCheck(
interval=20,
healthy_threshold=3,
unhealthy_threshold=5,
target='HTTP:80/'
)
ports = [(80,80,'http')]
lb = elb.create_load_balancer('elb1','us-east-1c',ports)
lb.configure_health_check(hc)
lb.register_instances(instances)
def create_elb():
elb = boto.ec2.elb.connect_to_region("us-east-1")
hc = boto.ec2.elb.HealthCheck(interval=20, timeout=5,
unhealthy_threshold=2,healthy_threshold=10,target='HTTP:8080/upload')
zones = ['us-east-1a']
ports = [(80,80,'http'),(8080,8080,'http')]
try:
new_elb = elb.create_load_balancer('ELB_demo',zones,ports)
except:
print "creating new elb failed"
sys.exit(1)
new_elb.configure_health_check(hc)
return new_elb
from boto.ec2.autoscale import ScalingPolicy
import boto.ec2.cloudwatch
from boto.ec2.cloudwatch import MetricAlarm
import boto.ec2
#Create an ELB that:
#Redirects HTTP:80 requests from the load balancer to HTTP:80 on the instance
#Record the DNS Name of the created ELB
#Set up the page /heartbeat?username=<yourandrewid> as the health check page
#If you remember from last week, a data center instance needs to be activated by passing it your username. This step ensures that the ELB passes your username to your data center instances.
elb=boto.ec2.elb.connect_to_region('us-east-1')
hc=HealthCheck(interval=5,healthy_threshold=2,timeout=2,unhealthy_threshold=2,target='HTTP:80/heartbeat?username=jianj')
zones=['us-east-1a']
ports=[(80,80,'http')]
lb=elb.create_load_balancer('jianLb',zones,ports)
lb.configure_health_check(hc)
lbdns=lb.dns_name
print 'load banlancer dns name:%s'%(lbdns)
#Create a Launch Configuration for the instances that will become part of the auto scaling group, with the following parameters:
#AMI ID: ami-ec14ba84
#Instance Type: m3.medium
#Detailed Monitoring: enabled
autoscale=boto.ec2.autoscale.connect_to_region('us-east-1') #the client
#lc
lc=LaunchConfiguration(name='jianLaunchConfig',image_id='ami-3c8f3a54',key_name='jj',security_groups=['http'],instance_type='m3.medium',instance_monitoring=True)
autoscale.create_launch_configuration(lc)
print 'launch cofig created'
#ag
ag=AutoScalingGroup(group_name='jianGroup',load_balancers=['jianLb'],availability_zones=['us-east-1a'],launch_config=lc,min_size=2,max_size=4,connection=autoscale)
print regions
elb = boto.ec2.elb.connect_to_region(CONNECT_REGION,aws_access_key_id=AWS_ACCESS_KEY,aws_secret_access_key=AWS_SECRET_KEY)
# conn = boto.ec2.connect_to_region("us-east-1")
list = elb.get_all_load_balancers()
print list
hc = HealthCheck(
interval=15,
target='HTTP:8080/upload'
)
zones = [CONNECT_AVAILABILITY_ZONE]
ports = [(80, 80, 'http'), (8080, 8080, 'http')]
lb = elb.create_load_balancer('my-lb', zones, ports)
lb.configure_health_check(hc)
print lb.dns_name
while throughput <=2000:
reservation=conn.run_instances(AMI,key_name=KEY_NAME,instance_type=INSTANCE_TYPE,placement=CONNECT_AVAILABILITY_ZONE,security_groups=[security_group])
instance_cnt
print reservation
instance = reservation.instances[0]
instance_id = instance.id
print instance_id
instance_ids.append(instance_id)