meteorlog

Meteorlog

Meteorlog is a tool to manage CloudWatch Logs.

It defines the state of CloudWatch Logs using DSL, and updates CloudWatch Logs according to DSL.

Installation

Add this line to your application's Gemfile:

gem 'meteorlog'

And then execute:

$ bundle

Or install it yourself as:

$ gem install meteorlog

Usage

export AWS_ACCESS_KEY_ID='...'
export AWS_SECRET_ACCESS_KEY='...'
export AWS_REGION='us-east-1'
meteorlog -e -o Logsfile  # export CloudWatch Logs
vi Logsfile
meteorlog -a --dry-run
meteorlog -a               # apply `Logsfile` to CloudWatch Logs

Help

Usage: meteorlog [options]
    -p, --profile PROFILE_NAME
    -k, --access-key ACCESS_KEY
    -s, --secret-key SECRET_KEY
    -r, --region REGION
    -a, --apply
    -f, --file FILE
        --dry-run
    -e, --export
    -o, --output FILE
        --no-color
        --debug

Logsfile example

require 'other/logsfile'

log_group "/var/log/messages" do
  log_stream "my-stream"

  # Please write the following if you do not want to manage log_streams
  #any_log_streams

  metric_filter "MyAppAccessCount" do
    metric :name=>"EventCount", :namespace=>"YourNamespace", :value=>"1"
  end

  metric_filter "MyAppAccessCount2" do
    # see http://docs.aws.amazon.com/AmazonCloudWatch/latest/DeveloperGuide/FilterAndPatternSyntax.html
    filter_pattern '[ip, user, username, timestamp, request, status_code, bytes > 1000]'
    metric :name=>"EventCount2", :namespace=>"YourNamespace2", :value=>"2"
  end
end

log_group "/var/log/maillog" do
  log_stream "my-stream2"

  metric_filter "MyAppAccessCount" do
    filter_pattern '[..., status_code, bytes]'
    metric :name=>"EventCount3", :namespace=>"YourNamespace", :value=>"1"
  end

  metric_filter "MyAppAccessCount2" do
    filter_pattern '[ip, user, username, timestamp, request = *html*, status_code = 4*, bytes]'
    metric :name=>"EventCount4", :namespace=>"YourNamespace2", :value=>"2"
  end
end

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