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Yii2 Cloudwatch Logs Target

A Yii2 log target for AWS Cloudwatch Logs.

Installation and Configuration

Install the package through composer:

composer require codemonauts/yii2-cloudwatch-logs

And then add this to your application configuration:

return [
    // ...
    'components' => [
        // ...
        'log' => [
            'targets' => [
                    'class' => \codemonauts\cloudwatchlogs\Target::class,
                    'region' => 'eu-west-1',
                    'logGroup' => '/webserver/production/my-craft',
                    'logStream' => 'instance-1', // omit for automatic instance ID
                    'levels' => ['error', 'warning', 'info', 'trace', 'profile'],
                    'logVars' => ['_GET', '_POST', '_FILES', '_COOKIE', '_SESSION', '_SERVER'],
                    'key' => 'your-key', // omit for instance role
                    'secret' => 'your-secret', // omit for instance role
                // ...

Configuration Options

  • (string) $region (required) The name of the AWS region e.g. eu-west-1
  • (string) $logGroup (required) The name of the log group.
  • (string) $logStream (optional) The name of the log stream. If omitted, it will try to determine the ID of the EC2 instance running on.
  • (array) $levels (optional) Log level. Default by Yii2: ['error', 'warning', 'info', 'trace', 'profile']
  • (array) $logVars (optional) Variables to log. Default by Yii2: ['_GET', '_POST', '_FILES', '_COOKIE', '_SESSION', '_SERVER']
  • (string) $key (optional) Your AWS access key.
  • (string) $secret (optional) Your AWS secret.

Cloudwatch Logs Insights

If you want to parse the logs with Insights, then do something like this:

fields @timestamp, @message
| sort @timestamp desc
| limit 20
| parse '[*][*][*][*][*] *' as ip, userId, sessionId, logLevel, category, message
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