Setting up Error Reporting for a PHP app running on GKE

README.md

Setting up Error Reporting for a PHP app running on GKE

Credits:

• http://stackoverflow.com/questions/41863638/setting-up-error-reporting-for-gke
• https://github.com/dlackty/wp-stackdriver-error-reporting/blob/master/index.php
• https://github.com/fluent/fluent-logger-php
• https://cloud.google.com/error-reporting/docs/formatting-error-messages

composer.json

"require": {
    "php": ">=5.6.4",
    "fluent/logger":"^1.0"
}

exception.php

<?php
require __DIR__ . '/vendor/autoload.php';

use Fluent\Logger\FluentLogger;

$GLOBALS['logger'] = new FluentLogger('localhost', '24224');

function fluentd_exception_handler(Throwable $e)
{
    global $logger;

    // Creates the log entry with the exception trace
    // PHP: Must start with PHP (Notice|Parse error|Fatal error|Warning) and contain the result of (string)$exception.
    $msg = array(
        'serviceContext' => array('service' => 'myapp'),
        'message' => sprintf('PHP Warning: %s', $e),
    );

    // Writes the log entry
    $logger->post('errors', $msg);

    print("Exception logged to Stack Driver Error Reporting" . PHP_EOL);
};

// Sets PHP's default exception handler
set_exception_handler('fluentd_exception_handler');

throw new Exception('This will be logged to Stack Driver Error Reporting');

fluentd-sidecar-config.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: fluentd-config
data:
  fluentd.conf: |
    <source>
      @type forward
      port 24224
    </source>

    <match **>
      type google_cloud
    </match>

pod-agent.yaml

apiVersion: v1
kind: Pod
metadata:
  name: fluentd
spec:
  containers:
  - name: fluentd-agent
    image: gcr.io/google_containers/fluentd-gcp:1.30
    env:
    - name: FLUENTD_ARGS
      value: -c /etc/fluentd-config/fluentd.conf
    volumeMounts:
    - name: config-volume
      mountPath: /etc/fluentd-config
  volumes:
  - name: config-volume
    configMap:
      name: fluentd-config