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AWS Cloudwatch Cookbook

Build Status Cookbook Version

This cookbook installs and configures AWS CloudWatch Agent.

Platform Support

  • Ubuntu 14.04, 16.04, 18.04
  • Centos 6, 7
  • Fedora 29
  • Amazon Linux

Cookbook Dependencies

Usage

Place a dependency on the aws_cloudwatch cookbook in your cookbook's metadata.rb

depends 'aws_cloudwatch', '~> 1.0.2'

Then in a recipe:

aws_cloudwatch_agent 'default' do
  action      [:install, :configure, :restart]
  json_config 'amazon-cloudwatch-agent.json.erb'
end

json_config

Amazon CloudWatch Agent configuration file which defines which metrics/logs are collected. Place the amazon-cloudwatch-agent.json.erb file to templates directory. This is an agent configuration for metrics and logs collection. See AWS documentation for more information: Manually Create or Edit the CloudWatch Agent Configuration File

config

The configuration file is at /opt/aws/amazon-cloudwatch-agent/etc. See AWS Documentation for more info. Default file looks like this:

# This common-config is used to configure items used for both ssm and cloudwatch access


## Configuration for shared credential.
## Default credential strategy will be used if it is absent here:
##            Instance role is used for EC2 case by default.
##            AmazonCloudWatchAgent profile is used for onPremise case by default.
# [credentials]
#    shared_credential_profile = "{profile_name}"
#    shared_credential_file= "{file_name}"

## Configuration for proxy.
## System-wide environment-variable will be read if it is absent here.
## i.e. HTTP_PROXY/http_proxy; HTTPS_PROXY/https_proxy; NO_PROXY/no_proxy
## Note: system-wide environment-variable is not accessible when using ssm run-command.
## Absent in both here and environment-variable means no proxy will be used.
# [proxy]
#    http_proxy = "{http_url}"
#    https_proxy = "{https_url}"
#    no_proxy = "{domain}"

You can modify this configuration by overriding attributes:

default['aws_cloudwatch']['config']['params']['shared_credential_profile']
default['aws_cloudwatch']['config']['params']['shared_credential_file']
default['aws_cloudwatch']['config']['params']['http_proxy']
default['aws_cloudwatch']['config']['params']['https_proxy']
default['aws_cloudwatch']['config']['params']['no_proxy']

It is also possible to configure it with environment variables instead:

SHARED_CREDENTIAL_PROFILE
SHARED_CREDENTIAL_FILE
HTTP_PROXY
HTTPS_PROXY
NO_PROXY

If you want to provide your own template for the configuration file, then you need to supply it as a config parameter to the resource:

aws_cloudwatch_agent 'default' do
  action :install
  config <config_template.erb>
end

Resources overview

aws_cloudwatch_agent

The aws_cloudwatch_agent resource installs AWS Cloudwatch Agent.

Parameters

  • action - Possible actions with the agent: :install, :configure, :remove, :start, :stop, :restart
  • config - A template name for a custom test-config.toml file
  • config_params - A hash with test-config.toml parameters
  • json_config - A template name for an amazon-cloudwatch-agent.json file

Example

aws_cloudwatch_agent 'default' do
  action          [:install, :configure, :restart]
  json_config     'amazon-cloudwatch-agent.json.erb'
  config_params   :shared_credential_profile => 'test_profile',
                  :shared_credential_file => '/etc/test_credential_file',
                  :http_proxy => 'http://192.168.0.1',
                  :https_proxy => 'https://192.168.0.1',
                  :no_proxy => 'http://192.168.0.10'
end