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aws_logs_metric_filter Resource

Use the aws_logs_metric_filter InSpec audit resource to test properties of a single specific AWS CloudWatch logs metric filter.

For additional information, including details on parameters and properties, see the AWS documentation on AWS Logs MetricFilter.

Installation

This resource is available in the Chef InSpec AWS resource pack.

See the Chef InSpec documentation on cloud platforms for information on configuring your AWS environment for InSpec and creating an InSpec profile that uses the InSpec AWS resource pack.

Syntax

Ensure that a work_group name exists.

describe aws_logs_metric_filter(filter_name: 'FILTER_NAME') do
  it { should exist }
end

Parameters

filter_name (required)

The name of the metric filter.

Properties

filter_name
The name of the metric filter.
filter_pattern
A symbolic description of how CloudWatch Logs should interpret the data in each log event. For example, a log event can contain timestamps, IP addresses, strings, and so on. You use the filter pattern to specify what to look for in the log event message.
metric_transformations (metric_name)
The metric transformations. The name of the CloudWatch metric.
metric_transformations (metric_namespace)
The metric transformations. A custom namespace to contain your metric in CloudWatch. Use namespaces to group together metrics that are similar.
metric_transformations (metric_value)
The metric transformations. The value to publish to the CloudWatch metric when a filter pattern matches a log event.
metric_transformations (default_value)
The metric transformations. The value to emit when a filter pattern does not match a log event. This value can be null.
creation_time
The creation time of the metric filter, expressed as the number of milliseconds after Jan 1, 1970 00:00:00 UTC.
log_group_name
The name of the log group.

Examples

Ensure a filter name is available.

describe aws_logs_metric_filter(filter_name: 'FILTER_NAME') do
  its('filter_name') { should eq 'FilterName' }
end

Ensure a log group name is available.

describe aws_logs_metric_filter(filter_name: 'FILTER_NAME') do
    its('log_group_name') { should eq 'LogGroupName' }
end

Matchers

This InSpec audit resource has the following special matchers. For a full list of available matchers, please visit our Universal Matchers page.

The controls will pass if the describe method returns at least one result.

exist

Use should to test that the entity exists.

describe aws_logs_metric_filter(filter_name: 'FILTER_NAME') do
  it { should exist }
end

Use should_not to test the entity does not exist.

describe aws_logs_metric_filter(filter_name: 'dummy') do
  it { should_not exist }
end

be_available

Use should to check if the filter name is available.

describe aws_logs_metric_filter(filter_name: 'FILTER_NAME') do
  it { should be_available }
end

AWS Permissions

Your Principal will need the CloudWatchLogs:Client:DescribeMetricFiltersResponse action with Effect set to Allow.

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