AWS-Lambda-Quick
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=item role
The AWS role you want to run the Lambda function as. This can
either be a full arn, or the name of the role to use (which will
be automatically created with permissions to run Lambda functions
if it does not exist).
If you do not pass a role argument the role with the name
C<perl-aws-lambda-quick> will be used (and created if it does not
exist).
=item rest_api_id
The id of the rest api to use. If no id is passed then it is
automatically determined from the rest_api parameter.
Including this value will make your script less portable between
accounts, but will reduce the number of API calls made during updates.
=item rest_api
The name of the rest api to use if you did not pass a C<rest_api_id>
(if you did this parameter will be ignored.) Will default to
C<perl-aws-lambda-quick> if not passed. If no such named rest api
exists then one will be automatically created.
=item stage_name
The name we stage to. By default this is C<quick> meaning that
our live URL will be of the form:
https://????.execute-api.????.amazonaws.com/quick/????
By setting stage_name to another value you can change this.
=item extra_layers
An arrayref of extra layers (in addition to the standard prebuilt public
Lambda layer for Perl) that will be used by this Lambda function.
Currently AWS Lamda supports up to four extra layers (five in total
including the prebuilt public layer for Perl.) All layers, when
decompressed, must be less that 250MB in size.
You may either identify a layer by its ARN, or by using a identifying
name that is known to this module. At this time the only known
identifying name is C<paws> which indicates that the Lambda function
should use the prebuilt Paws layer in the same region as the Lambda
function.
use AWS::Lambda::Quick (
name => 'email sender',
extra_layers => [ 'paws' ],
);
=back
=head2 Installing the CLI tools
This module requires you to have the version 1 AWS CLI tools installed
on your system and configured with your authentication credentials.
Installing the tools are covered in many AWS guides, but can be
quickly summarized as:
shell$ curl "https://s3.amazonaws.com/aws-cli/awscli-bundle.zip" -o "awscli-bundle.zip"
shell$ unzip awscli-bundle.zip
shell$ sudo ./awscli-bundle/install -i /usr/local/aws -b /usr/local/bin/aws
You'll need to configure awscli with your own personal AWS Access
Key ID and AWS Secret Access Key. You can create these from the AWS
Management console by following the guide on
L<How to quickly find and update your access keys, password, and MFA setting using the AWS Management Console|https://aws.amazon.com/blogs/security/how-to-find-update-access-keys-password-mfa-aws-management-console/>
Once you have your keys you can then use the C<configure> command
to update the aws command line utility.
shell$ aws configure
AWS Access Key ID [********************]:
AWS Secret Access Key [********************]:
Default region name [us-east-1]:
Default output format [None]:
=head2 Speeding up Code Updates
By default this module will check that everything is configured
correctly in AWS and will make changes as needed. This requires several
API calls (and several executions of the AWS python command line
tool.)
If you've only changed the source code and want to deploy a new version
you can just do that by setting the C<AWS_LAMBDA_QUICK_UPDATE_CODE_ONLY>
enviroment variable:
shell$ AWS_LAMBDA_QUICK_UPDATE_CODE_ONLY=1 perl lambda-function.pl
In the interest of being as quick as possible, when this is environment
variable is enabled the URL for the upload is not computed and printed
out.
=head2 Enabling debugging output
To gain a little more insight into what is going on you can set
the C<AWS_LAMBDA_QUICK_DEBUG> environment variable to enabled
debugging to STDERR:
shell$ AWS_LAMBDA_QUICK_DEBUG=1 perl lambda-function.pl
updating function code
function code updated
updating function configuration
searching for existing role
found existing role
...
=head1 AUTHOR
Written by Mark Fowler B<mark@twoshortplanks.com>
Copyright Mark Fowler 2019.
This program is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
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