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All Tasks support Bamboo variables, both substituting them within parameters for AWS resource management and defining them from created AWS resources.
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Variable Substitution
Variables are substituted in all
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task configuration text fields (e.g. Stack Name, Template URL, Instance ID, Volume ID etc.).
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Tasks may emit sensitive data like credentials which are not supposed to surface in build logs - this can be achieved as follows:
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Variable Definition
Variables are defined by
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most tasks for reuse in subsequent
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tasks, see Bamboo Variable Substitution/Definition for details, and each task's documentation for example log outputs.
- A task's generated variables might get amended with respective AWS API additions over time - a live build log will always provide the most current variable shape accordingly.
- We are contemplating to evolve the current key/value based approach to one based on hierarchical JSON payloads, please watch/vote/comment on the following issue to guide our resp. roadmap:
Jira Legacy server JIRA (utoolity.atlassian.net) serverId fac61c2e-db0a-39da-bb3c-e0dc0ef556f0 key UAA-92
Example
This example illustrates the variable generation pattern:
- variables have a dedicated prefix
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- like
bamboo.custom.aws.*
,
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- with
*
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- being a task specific prefix, e.g.
bamboo.custom.aws.
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cloudformation.stack
- variables
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- referring to a collection of resources provide their ids in a semicolon separated list (i.e. the same format available on input), e.g.
${bamboo.custom.aws.ec2.
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instance.resources}
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- with values
i-a316b842;i-b4210842 (line 2)
you can refer to these variables from subsequent tasks via something
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like
${bamboo.custom.aws.
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Available Task Variables
The following variables are available in the various tasks:
AWS CloudFormation Stack
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ec2.instance.resources.i-a316b842.PrivateDnsName}
(line 6)
- however, given script access to such a named resource is difficult, there is a shortcut to ease reusing the first (and often only) affected resource via something like${bamboo.custom.aws.ec2.instance.first.i-a316b842.PrivateDnsName}
:(line 19)
Code Block language text linenumbers true Creating common variables for 2 resources affected by task: ... bamboo.custom.aws.
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ec2.
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instance.resources
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: i-
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a316b842;
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i-b4210842 Creating resource variables for instance 'i-a316b842': ... bamboo.custom.aws.ec2.instance.resources.i-a316b842.InstanceId: i-a316b842 ... bamboo.custom.aws.
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ec2.instance.
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resources.i-
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a316b842.State: running ... bamboo.custom.aws.
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ec2.instance.resources.i-a316b842.PrivateDnsName: ip-10-0-0-241.ec2.internal ... bamboo.custom.aws.ec2.
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- Note: The variables with legacy naming without prefix remain available for compatibility (e.g.
bamboo.StringWithRegex=Hello
)
AWS EC2 Instance
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instance.resources.i-a316b842.PrivateIpAddress: 10.0.0.241 ... bamboo.custom.aws.ec2.instance.resources.i-a316b842.PublicDnsName: ... bamboo.custom.aws.ec2.instance.resources
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.i-a316b842.PublicIpAddress: null ... bamboo.custom.aws.ec2.instance.resources.i-a316b842.LaunchTime: 20150716T080402Z ... bamboo.custom.aws.ec2.instance.
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AWS EC2 Image
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resources.i-a316b842.tags: Name ... bamboo.custom.aws.ec2.
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instance.resources
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.i-a316b842.tags.Name: taws-it-2.0.0 Creating resource variables for instance 'i-b4210842': ... <skipped> Creating common variables for first resource affected by task: Creating resource variables for instance 'i-a316b842': ... bamboo.custom.aws.ec2.
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AWS EBS Snapshots
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instance.first.InstanceId: i-a316b842 ... bamboo.custom.aws.ec2.instance.first.State: running ... bamboo.custom.aws.ec2.instance.
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first.PrivateDnsName: ip-10-0-0-241.ec2.internal ... bamboo.custom.aws.ec2.instance.first.PrivateIpAddress: 10.0.0.241 ... bamboo.custom.aws.ec2.instance.first.PublicDnsName: ... bamboo.custom.aws.ec2.instance.first.PublicIpAddress: null ... bamboo.custom.aws.ec2.instance.first.LaunchTime: 20150716T080402Z ... bamboo.custom.aws.ec2.instance.first.tags: Name ... bamboo.custom.aws.ec2.instance.first.tags.Name: taws-it-2.0.0
variables are also available as environment variables in the Script task for example, albeit named slightly different, e.g.
$bamboo_custom_aws_cfn_stack_StringWithRegex
(Unix) or%bamboo_custom_aws_cfn_stack_StringWithRegex%
(Windows)variables are locally scoped and thus only reusable in subsequent tasks and not in other jobs/stages due to the implied concurrency, see the following discussion and workaround
Custom Variables
Some tasks also support the substitution of custom variables to ease composing unique names when operating multiple AWS resources at once, for example creating EBS snapshots
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from a set of EBS volumes, or EC2 images from a set of EC2 instances - refer to Custom Variables for details.