1VM::EC2::REST::autoscalUisnegr(3C)ontributed Perl DocumeVnMt:a:tEiCo2n::REST::autoscaling(3)
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7 use VM::EC2 ':autoscaling';
8
10 This module provides VM::EC2 methods for autoscaling groups and launch
11 configurations. Not all of the Amazon API is implemented, but the most
12 common functions are available.
13 Implemented:
15 CreateAutoScalingGroup
16 CreateLaunchConfiguration
17 DeleteAutoScalingGroup
18 DeleteLaunchConfiguration
19 DeletePolicy
20 DescribeAutoScalingGroups
21 DescribeLaunchConfigurations
22 DescribePolicies
23 ExecutePolicy
24 PutScalingPolicy
25 ResumeProcesses
26 SuspendProcesses
27 UpdateAutoScalingGroup
28 Unimplemented:
30 CreateOrUpdateTags
31 DeleteNotificationConfiguration
32 DeleteScheduledAction
33 DeleteTags
34 DescribeAdjustmentTypes
35 DescribeAutoScalingInstances
36 DescribeAutoScalingNotificationTypes
37 DescribeMetricCollectionTypes
38 DescribeNotificationConfigurations
39 DescribeScalingActivities
40 DescribeScalingProcessTypes
41 DescribeScheduledActions
42 DescribeTags
43 DescribeTerminationPolicyTypes
44 DisableMetricsCollection
45 EnableMetricsCollection
46 PutNotificationConfiguration
47 PutScheduledUpdateGroupAction
48 SetDesiredCapacity
49 SetInstanceHealth
50 TerminateInstanceInAutoScalingGroup
51 @lc = $ec2->describe_launch_configurations(-names => \@names);
53 @lc = $ec->describe_launch_configurations(@names);
54 Provides detailed information for the specified launch
55 configuration(s).
56 Optional parameters are:
58 -launch_configuration_names Name of the Launch config.
60 This can be a string scalar or an arrayref.
61 -name Alias for -launch_configuration_names
63 Returns a series of VM::EC2::LaunchConfiguration objects.
65 $success = $ec2->create_launch_configuration(%args);
67 Creates a new launch configuration.
68 Required arguments:
70 -name -- scalar, name for the Launch config.
72 -image_id -- scalar, AMI id which this launch config will use
73 -instance_type -- scalar, instance type of the Amazon EC2 instance.
74 Optional arguments:
76 -block_device_mappings -- list of hashref
78 -ebs_optimized -- scalar (boolean). false by default
79 -iam_instance_profile -- scalar
80 -instance_monitoring -- scalar (boolean). true by default
81 -kernel_id -- scalar
82 -key_name -- scalar
83 -ramdisk -- scalar
84 -security_groups -- list of scalars
85 -spot_price -- scalar
86 -user_data -- scalar
87 Returns true on successful execution.
89 $success = $ec2->delete_launch_configuration(-name => $name);
91 Deletes a launch config.
92 -name Required. Name of the launch config to delete
94 Returns true on success.
96 @asg = $ec2->describe_autoscaling_groups(-auto_scaling_group_names =>
98 \@names);
99 Returns information about autoscaling groups
100 -auto_scaling_group_names List of auto scaling groups to describe
102 -names Alias of -auto_scaling_group_names
103 Returns a list of VM::EC2::ASG.
105 $success = $ec2->create_autoscaling_group(-name => $name, -launch_config =>
107 $lc, -max_size => $max_size, -min_size => $min_size);
108 Creates a new autoscaling group.
109 Required arguments:
111 -name Name for the autoscaling group
113 -launch_config Name of the launch configuration to be used
114 -max_size Max number of instances to be run at once
115 -min_size Min number of instances
116 Optional arguments:
118 -availability_zones List of availability zone names
120 -load_balancer_names List of ELB names
121 -tags List of tags to apply to the instances run
122 -termination_policies List of policy names
123 -default_cooldown Time in seconds between autoscaling activities
124 -desired_capacity Number of instances to be run after creation
125 -health_check_type One of "ELB" or "EC2"
126 -health_check_grace_period Mandatory for health check type ELB. Number of
127 seconds between an instance is started and the
128 autoscaling group starts checking its health
129 -placement_group Physical location of your cluster placement group
130 -vpc_zone_identifier Strinc containing a comma-separated list of subnet
131 identifiers
132 Returns true on success.
134 $success = $ec2->delete_autoscaling_group(-name => $name)
136 Deletes an autoscaling group.
137 -name Name of the autoscaling group to delete
139 Returns true on success.
141 $success = $ec2->update_autoscaling_group(-name => $name);
143 Updates an autoscaling group. Only required parameter is "-name"
144 Optional arguments:
146 -availability_zones List of AZ's
148 -termination_policies List of policy names
149 -default_cooldown
150 -desired_capacity
151 -health_check_type
152 -health_check_grace_period
153 -launch_configuration_name
154 -placement_group
155 -vpc_zone_identifier
156 -max_size
157 -min_size
158 Returns true on success;
160 $success = $ec2->suspend_processes(-name => $asg_name, -scaling_processes
162 => \@procs);
163 Suspend the requested autoscaling processes.
164 -name Name of the autoscaling group
166 -scaling_processes List of process names to suspend. Valid processes are:
167 Launch
168 Terminate
169 HealthCheck
170 ReplaceUnhealty
171 AZRebalance
172 AlarmNotification
173 ScheduledActions
174 AddToLoadBalancer
175 Returns true on success.
177 $success = $ec2->resume_processes(-name => $asg_name, -scaling_processes =>
179 \@procs);
180 Resumes the requested autoscaling processes. It accepts the same
181 arguments than "suspend_processes".
182 Returns true on success.
184 @arguments = $ec2->autoscaling_tags($argname, \%args)
186 @asg = $ec2->describe_policies(-auto_scaling_group_name => $name);
187 Returns information about autoscaling policies
188 -auto_scaling_group_name The name of the Auto Scaling group
190 -policy_names An array of policy names or policy ARNs to be described. If this list is omitted, all policy names are described. If an auto scaling group name is provided, the results are limited to that group. The list of requested policy names cannot contain more than 50 items. If unknown policy names are requested, they are ignored with no error.
191 -names Alias of -auto_scaling_group_names
192 Returns a list of VM::EC2::ScalingPolicy.
194 $success = $ec2->put_scaling_policy
196 Creates or updates a policy for an Auto Scaling group.
197 Required arguments:
199 -policy_name The name of the policy to update or create.
201 -name Alias for -policy_name
202 -auto_scaling_group_name The name or ARN of the Auto Scaling group.
203 -scaling_adjustment Number of instances by which to scale.
204 -adjustment_type Specifies wheter -scaling_adjustment is an absolute
205 number or a percentage of the current capacity.
206 Valid values are:
207 ChangeInCapacity
208 ExactCapacity
209 PercentChangeInCapacity
210 Optional arguments:
212 -cooldown The amount of time, in seconds, after a scaling
214 activity completes and before the next scaling acitvity
215 can start.
216 -min_adjustment_step Used with PercentChangeInCapacity as -adjustment_type.
217 Returns true on success
219 $success = $ec2->delete_policy(-policy_name => $name)
221 Deletes a policy
222 Required arguments:
224 -policy_name Name or ARN of the policy
226 -name Alias for -policy_name
227 -auto_scaling_group_name Name of the Auto Scaling Group, required when
228 specifying policy by name (not by ARN)
229 Returns true on success
231 $success = $ec2->execute_policy(-policy_name => $name)
233 Runs a policy
234 Required arguments:
236 -policy_name Name or ARN of the policy
238 -name Alias for -policy_name
239 -auto_scaling_group_name Name of the Auto Scaling Group, required when
240 specifying policy by name (not by ARN)
241 Optional arguments:
243 -honor_cooldown Set to true if you want AutoScaling to reject
245 the request when it is in cooldown
246 Returns true on success
248
250 VM::EC2
251
253 Lincoln Stein <lincoln.stein@gmail.com>.
254 Copyright (c) 2011 Ontario Institute for Cancer Research
256 This package and its accompanying libraries is free software; you can
258 redistribute it and/or modify it under the terms of the GPL (either
259 version 1, or at your option, any later version) or the Artistic
260 License 2.0. Refer to LICENSE for the full license text. In addition,
261 please see DISCLAIMER.txt for disclaimers of warranty.
262perl v5.30.0 2019-07-26 VM::EC2::REST::autoscaling(3)