File Coverage

blib/lib/Paws/CloudFormation/RollbackConfiguration.pm
Criterion Covered Total %
statement 3 3 100.0
branch n/a
condition n/a
subroutine 1 1 100.0
pod n/a
total 4 4 100.0


line stmt bran cond sub pod time code
1             package Paws::CloudFormation::RollbackConfiguration;
2 1     1   460 use Moose;
  1         3  
  1         6  
3             has MonitoringTimeInMinutes => (is => 'ro', isa => 'Int');
4             has RollbackTriggers => (is => 'ro', isa => 'ArrayRef[Paws::CloudFormation::RollbackTrigger]');
5             1;
6              
7             ### main pod documentation begin ###
8              
9             =head1 NAME
10              
11             Paws::CloudFormation::RollbackConfiguration
12              
13             =head1 USAGE
14              
15             This class represents one of two things:
16              
17             =head3 Arguments in a call to a service
18              
19             Use the attributes of this class as arguments to methods. You shouldn't make instances of this class.
20             Each attribute should be used as a named argument in the calls that expect this type of object.
21              
22             As an example, if Att1 is expected to be a Paws::CloudFormation::RollbackConfiguration object:
23              
24             $service_obj->Method(Att1 => { MonitoringTimeInMinutes => $value, ..., RollbackTriggers => $value });
25              
26             =head3 Results returned from an API call
27              
28             Use accessors for each attribute. If Att1 is expected to be an Paws::CloudFormation::RollbackConfiguration object:
29              
30             $result = $service_obj->Method(...);
31             $result->Att1->MonitoringTimeInMinutes
32              
33             =head1 DESCRIPTION
34              
35             Structure containing the rollback triggers for AWS CloudFormation to
36             monitor during stack creation and updating operations, and for the
37             specified monitoring period afterwards.
38              
39             Rollback triggers enable you to have AWS CloudFormation monitor the
40             state of your application during stack creation and updating, and to
41             roll back that operation if the application breaches the threshold of
42             any of the alarms you've specified. For each rollback trigger you
43             create, you specify the Cloudwatch alarm that CloudFormation should
44             monitor. CloudFormation monitors the specified alarms during the stack
45             create or update operation, and for the specified amount of time after
46             all resources have been deployed. If any of the alarms goes to ALERT
47             state during the stack operation or the monitoring period,
48             CloudFormation rolls back the entire stack operation. If the monitoring
49             period expires without any alarms going to ALERT state, CloudFormation
50             proceeds to dispose of old resources as usual.
51              
52             By default, CloudFormation only rolls back stack operations if an alarm
53             goes to ALERT state, not INSUFFICIENT_DATA state. To have
54             CloudFormation roll back the stack operation if an alarm goes to
55             INSUFFICIENT_DATA state as well, edit the CloudWatch alarm to treat
56             missing data as C<breaching>. For more information, see Configuring How
57             CloudWatch Alarms Treats Missing Data.
58              
59             AWS CloudFormation does not monitor rollback triggers when it rolls
60             back a stack during an update operation.
61              
62             =head1 ATTRIBUTES
63              
64              
65             =head2 MonitoringTimeInMinutes => Int
66              
67             The amount of time, in minutes, during which CloudFormation should
68             monitor all the rollback triggers after the stack creation or update
69             operation deploys all necessary resources. If any of the alarms goes to
70             ALERT state during the stack operation or this monitoring period,
71             CloudFormation rolls back the entire stack operation. Then, for update
72             operations, if the monitoring period expires without any alarms going
73             to ALERT state CloudFormation proceeds to dispose of old resources as
74             usual.
75              
76             If you specify a monitoring period but do not specify any rollback
77             triggers, CloudFormation still waits the specified period of time
78             before cleaning up old resources for update operations. You can use
79             this monitoring period to perform any manual stack validation desired,
80             and manually cancel the stack creation or update (using
81             CancelUpdateStack, for example) as necessary.
82              
83             If you specify 0 for this parameter, CloudFormation still monitors the
84             specified rollback triggers during stack creation and update
85             operations. Then, for update operations, it begins disposing of old
86             resources immediately once the operation completes.
87              
88              
89             =head2 RollbackTriggers => ArrayRef[L<Paws::CloudFormation::RollbackTrigger>]
90              
91             The triggers to monitor during stack creation or update actions.
92              
93             By default, AWS CloudFormation saves the rollback triggers specified
94             for a stack and applies them to any subsequent update operations for
95             the stack, unless you specify otherwise. If you do specify rollback
96             triggers for this parameter, those triggers replace any list of
97             triggers previously specified for the stack. This means:
98              
99             =over
100              
101             =item *
102              
103             If you don't specify this parameter, AWS CloudFormation uses the
104             rollback triggers previously specified for this stack, if any.
105              
106             =item *
107              
108             If you specify any rollback triggers using this parameter, you must
109             specify all the triggers that you want used for this stack, even
110             triggers you've specifed before (for example, when creating the stack
111             or during a previous stack update). Any triggers that you don't include
112             in the updated list of triggers are no longer applied to the stack.
113              
114             =item *
115              
116             If you specify an empty list, AWS CloudFormation removes all currently
117             specified triggers.
118              
119             =back
120              
121             If a specified Cloudwatch alarm is missing, the entire stack operation
122             fails and is rolled back.
123              
124              
125              
126             =head1 SEE ALSO
127              
128             This class forms part of L<Paws>, describing an object used in L<Paws::CloudFormation>
129              
130             =head1 BUGS and CONTRIBUTIONS
131              
132             The source code is located here: https://github.com/pplu/aws-sdk-perl
133              
134             Please report bugs to: https://github.com/pplu/aws-sdk-perl/issues
135              
136             =cut
137