How to use create_capacity_reservation method in localstack

Best Python code snippet using localstack_python

index.py

Source:index.py

...69                )70                capacity_reservation_id = capacity_reservations[0]['CapacityReservationId']71            else:72                print("Creating capacity reservation")73                capacity_reservation = client.create_capacity_reservation(74                    ClientToken=str(random.random())[2:],75                    InstanceType=instance['InstanceType'],76                    InstancePlatform=platform,77                    AvailabilityZone=instance['Placement']['AvailabilityZone'],78                    Tenancy=instance['Placement']['Tenancy'],79                    InstanceCount=1,80                    EndDateType='unlimited',81                    InstanceMatchCriteria='open',82                    TagSpecifications=[83                        {84                            'ResourceType': 'capacity-reservation',85                            'Tags': [86                                {87                                    'Key': 'AutoCapacityReservation',...

a.py

Source:a.py

...8def lambda_handler(event, context):9    # Boto3 clients10    ec2_client = boto3.client('ec2')11    get_instances = ec2_client.describe_instances()12    create_capacity_reservation(get_instances, ec2_client)131415# Get All the running instances and call the function to reserve capacity16def create_capacity_reservation(get_instances, client):17    running_instances = False18    cancel_reservations = []19    #Total Count of instances running20    t2_micro = t3_2xlarge = r6i_2xlarge = r6i_4xlarge = r6i_8xlarge = 021    22    23    for reservations in get_instances['Reservations']:24        #Create Capacity Reservation for running instance types25        for instances in reservations['Instances']:26            if instances['State']['Name'] == 'running':27                running_instances = True28                type = instances['InstanceType']29                if type == "t2.micro":30                    t2_micro += 131                elif type == "t3.2xlarge":32                    t3_2xlarge += 133                elif type == "r6i.2xlarge":34                    r6i_2xlarge += 135                elif type == "r6i.4xlarge":36                    r6i_4xlarge += 137                elif type == "r6i_8xlarge":38                    r6i_8xlarge += 139                    40                41                get_reservation = get_reservations(client, instances['InstanceType'])42                print(get_reservation)43                if not get_reservation['CapacityReservations']:44                    #print("No Capacity")45                    #Call reserver capacity function46                    47                    48                    49                    reserve_capacity(client, instances['InstanceType'])50                    51                    52                    53                elif get_reservation:54                    for reservation in get_reservation['CapacityReservations']:55                        cancel_reservations.remove(reservation['CapacityReservationId'])56                        print("It is here")57                       # modify_capacity_reservation(client, reservation['TotalInstanceCount'], 20, reservation['CapacityReservationId'])58                        modify_capacity_reservation(client, reservation['TotalInstanceCount'], reservation['AvailableInstanceCount'], reservation['CapacityReservationId'])59                         60            else:61                get_reservation = get_reservations(client, instances['InstanceType'])62                if get_reservation:63                    for reservation in get_reservation['CapacityReservations']:64                        if(reservation['CapacityReservationId'] not in cancel_reservations):65                            cancel_reservations.append(reservation['CapacityReservationId'])66    67    68    for reservations in get_instances['Reservations']:69        #Cancel Cpacity Reservation for stopped instance types70        for instances in reservations['Instances']: 71            get_reservation = get_reservations(client, instances['InstanceType'])72            if get_reservation:73                for reservation in cancel_reservations:74                    cancel_reservation(client, reservation)75                    76    if running_instances == False:77        print('No Running Instances found!')78798081def cancel_reservation(client, reservation_id):82    response = client.cancel_capacity_reservation(83    CapacityReservationId=reservation_id84    )85    return response86    878889def modify_capacity_reservation(ec2_client, total_count, available_count, reservation_id):90    print ("Invoked!")91    default_count = config.default_count92    capacity_chg_percentage = config.capacity_chg_percentage93    94    #Calculate 20% capacity of total capacity95    capacity_percentage = int((config.capacity_chg_percentage / 100 * total_count))96    #Calculate available capacity percentage97    available_percentage = int((available_count / total_count * 100))98    99    print (capacity_percentage)100    print (available_percentage)101102    #If capacity is less than 0 for example total count is low like 2 then round103    #the value to 1104    if (capacity_percentage == 0):105        capacity_percentage = 1106    elif (available_percentage == 0):107        available_percentage = 1108    109    #Increment 20% Capacity110    if (available_percentage <= capacity_chg_percentage):111        new_count = total_count + capacity_percentage112    113    #Decrement 20% Capacity114    elif (available_percentage > capacity_chg_percentage and total_count > default_count):115        new_count = total_count -capacity_percentage116    117    else:118        #Else don't change capacity119        new_count = total_count120    121    122    print (new_count)123    modify = ec2_client.modify_capacity_reservation(124        CapacityReservationId=reservation_id,125        InstanceCount=new_count126    )127  128129130131def get_reservations(client, instance_type):132    133    response = client.describe_capacity_reservations(Filters=[134        {135            'Name': 'state',136            'Values': [137                'active',138            ]139        },140        {141            'Name': 'instance-type',142            'Values': [143                instance_type,144            ]145        },146    ]147    148    )149    150    return response151152153# Create Capacity Reservation154def reserve_capacity(client, instance_type):155    156    default_count = config.default_count157    158    response = client.create_capacity_reservation(159        InstanceType=instance_type,160        InstancePlatform=config.InstancePlatform,161        AvailabilityZone=config.AvailabilityZone,162        Tenancy=config.Tenancy,163        InstanceCount=default_count,164        EbsOptimized=config.EbsOptimized,165        EphemeralStorage=config.EphemeralStorage,166        EndDateType=config.EndDateType,167        InstanceMatchCriteria=config.InstanceMatchCriteria168    )169170171172
...

Capacity.Py

Source:Capacity.Py

...1112def checkCapacity(InstanceType, InstancePlatform, AvailabilityZone, InstanceCount, EndDate, EndDateType): 1314    ec2 = boto3.client('ec2', region_name='us-west-2')15    response = ec2.create_capacity_reservation(16                            InstanceType=InstanceType,17                            InstancePlatform=InstancePlatform,18                            AvailabilityZone=AvailabilityZone,19                            InstanceCount=InstanceCount,20                            EndDate=EndDate,21                            EndDateType=EndDateType,22                        )23    cr = response['CapacityReservation']24    cr_status = cr['State']25    print (cr_status)26    return cr_status2728def main():29    
...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.