647 lines
18 KiB
PHP
647 lines
18 KiB
PHP
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<?php
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namespace W3TC;
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/**
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* Wrapper for NewRelicAPI.
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* deprecated
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*
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* @see NewRelicAPI
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*/
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class Extension_NewRelic_Service {
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private $_api_key;
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private $_cache_time;
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/**
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* Checks Config for the params if they are not provided in the constructor.
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*
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* @param string $api_key
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* @param string $account_id
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* @param string $application_id
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*/
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function __construct( $api_key = '' ) {
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$config = Dispatcher::config();
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if ( $api_key )
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$this->_api_key = $api_key;
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else
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$this->_api_key = $config->get_string( array( 'newrelic', 'api_key' ) );
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$this->_cache_time = $config->get_integer( array( 'newrelic', 'cache_time' ), 5 );
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if ( $this->_cache_time < 1 )
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$this->_cache_time = 5;
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}
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/**
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* Checks if the platform running WP is supported by New Relic.
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* The verifications is based on https://newrelic.com/docs/php/new-relic-for-php
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*
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* @return array
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*/
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function verify_compatibility() {
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$php_versions = array( '5.2.x', '5.3.x', '5.4.x' );
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$verified = array();
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$version = explode( '.', PHP_VERSION );
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$php_version = sprintf( '%s.%s.%s', $version[0], $version[1], $version[2] );
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$php_version_ok = version_compare( $php_version, '5.2', '>' );
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$supported_string = __( 'Supported', 'w3-total-cache' );
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$verified[__( 'PHP version', 'w3-total-cache' )] =
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( $php_version_ok ? $supported_string :
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sprintf( __( 'Not supported: %s.', 'w3-total-cache' ),
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$php_version ) );
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$os_name = php_uname( 's' );
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switch ( $os_name ) {
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case 'Linux':
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/**
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* Any other version of Linux with kernel 2.6.13 or later
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* (2.6.26 and later highly recommended) and glibc 2.5 or later
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*/
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$version = explode( '.', php_uname( 'r' ) );
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$os_version = sprintf( '%d.%d.%d', $version[0], $version[1], $version[2] );
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$os_check = version_compare( $os_version, '2.6.13', '>=' );
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break;
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case 'FreeBSD':
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/**
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* You must enable the linkthr build option so that the New Relic agent will not cause your PHP to hang.
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*/
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$version = explode( '.', php_uname( 'r' ) );
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$os_version = sprintf( '%d.%d', $version[0], $version[1] );
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$os_check = version_compare( $os_version, '7.3', '>=' );
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break;
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case 'MacOS/X':
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/**
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* MacOS/X configurations do not use the standard /etc/init.d/newrelic-daemon script.
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* Instead, they use /usr/bin/newrelic-daemon-service in the same way; for example:
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* /usr/bin/newrelic-daemon-service restart.
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*/
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$version = explode( '.', php_uname( 'r' ) );
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$os_version = sprintf( '%d.%d', $version[0], $version[1] );
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$os_check = version_compare( $os_version, '10.5', '>=' );
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break;
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case 'Open Solaris':
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/**
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* snv_134b or later
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*/
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$version = explode( '.', php_uname( 'r' ) );
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$os_version = sprintf( '%d', $version[0] );
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$os_check = version_compare( $os_version, '10', '==' );
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break;
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default:
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$os_check = false;
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$os_name = php_uname();
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$os_version = '';
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}
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$verified[ __( 'Operating System', 'w3-total-cache' ) ] = ( $os_check ) ?
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$supported_string :
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sprintf(
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// translators: 1 OS name, 2 OS version, 3 opening HTML a tag to NewRelic for PHP requirments, 4 closing HTML a tag.
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__(
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'Not Supported. (%1$s %2$s See %3$sNewRelic Requirements%4$s page.)',
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'w3-total-cache'
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),
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$os_name,
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$os_version,
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'<a href="https://docs.newrelic.com/docs/apm/agents/php-agent/getting-started/php-agent-compatibility-requirements/" target="_blank">',
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'</a>'
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);
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/**
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* Apache 2.2 or 2.4 via mod_php
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* Or any web server that supports FastCGI using php-fpm
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*/
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$server_software = isset( $_SERVER['SERVER_SOFTWARE'] ) ? sanitize_text_field( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) : '';
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$server = explode( '/', $server_software );
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$ws_check = false;
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$ws_name = $server_software;
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$ws_version = '';
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if ( sizeof( $server ) > 1 ) {
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$ws_name = $server[0];
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$ws_version = $server[1];
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if ( sizeof( $version = explode( '.', $ws_version ) )>1 )
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$ws_version = sprintf( '%d.%d', $version[0], $version[1] );
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}
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switch ( true ) {
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case Util_Environment::is_apache():
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if ( $ws_version )
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$ws_check = version_compare( $ws_version, '2.2', '>=' );
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break;
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case Util_Environment::is_nginx():
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$ws_check = php_sapi_name() == 'fpm-fcgi';
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$ws_name .= php_sapi_name();
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break;
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default:
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$ws_check = php_sapi_name() == 'fpm-fcgi';
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$ws_name = $server_software;
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$ws_version = '';
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}
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$verified[ __( 'Web Server', 'w3-total-cache' ) ] = $ws_check ?
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$supported_string :
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sprintf(
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// translators: 1 Web Server name, 2 Web Server version, 3 opening HTML a tag to NewRelic requirments for php, 4 closing HTML a tag.
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__(
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'Not Supported. (%1$s %2$s See %3$sNewRelic Requirements%4$s page.)',
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'w3-total-cache'
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),
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$ws_name,
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$ws_version,
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'<a href="https://docs.newrelic.com/docs/apm/agents/php-agent/getting-started/php-agent-compatibility-requirements/" target="_blank">',
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'</a>'
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);
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return $verified;
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}
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/**
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* Verifies that detectable New Relic functionality is running and configured properly.
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* Returns array with what is wrong if verification fails.
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*
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* @return array|bool
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*/
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public function verify_running() {
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$config = Dispatcher::config();
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$error = array();
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if ( !$this->get_api_key() )
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$error['api_key'] = __( 'API Key is not configured.', 'w3-total-cache' );
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if ( $config->get( array( 'newrelic', 'monitoring_type' ) ) == 'browser' ) {
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$name = $this->get_effective_appname();
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if ( empty( $name ) )
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$error['application_id'] = __( 'Application ID is not configured. Enter/Select application name.', 'w3-total-cache' );
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} else {
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if ( !$this->module_is_enabled() )
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$error['module_enabled'] = __( 'PHP module is not enabled.', 'w3-total-cache' );
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if ( !$this->agent_enabled() )
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$error['agent_enabled'] = __( 'PHP agent is not enabled.', 'w3-total-cache' );
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if ( !$this->get_account_id() )
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$error['account_id'] = __( 'Account ID is not configured.', 'w3-total-cache' );
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if ( $this->get_effective_application_id() == 0 )
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$error['application_id'] = __( 'Application ID is not configured. Enter/Select application name.', 'w3-total-cache' );
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try {
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if ( !$this->get_license_key_from_ini() )
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$error['license'] = __( 'License key could not be detected in ini file.', 'w3-total-cache' );
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$licences = explode( ' ', trim( $this->get_license_key_from_ini() ) );
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$licences = array_map( 'trim', $licences );
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if ( $this->get_license_key_from_ini() && $this->get_license_key_from_account()
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&& !in_array( trim( $this->get_license_key_from_account() ), $licences ) )
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$error['license'] = sprintf( __( 'Configured license key does not match license key(s) in account: <br />%s <br />%s', 'w3-total-cache' )
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, $this->get_license_key_from_ini()
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, implode( '<br />', $licences ) );
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$this->get_account_id();
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} catch ( \Exception $ex ) {
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$error['api_key'] = __( 'API Key is invalid.', 'w3-total-cache' );
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}
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}
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return $error ? $error : true;
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}
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/**
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* Checks the ini or conf file to see if newrelic is enabled.
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*
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* @return string
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*/
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public function agent_enabled() {
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return ini_get( 'newrelic.enabled' );
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}
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/**
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* Checks if the New Relic PHP module is enabled
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*
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* @return bool
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*/
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public function module_is_enabled() {
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return function_exists( 'newrelic_set_appname' );
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}
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/**
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* Retrieves the configured license key in ini/conf files.
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*
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* @return string
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*/
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public function get_license_key_from_ini() {
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return ini_get( 'newrelic.license' );
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}
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/**
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* Returns the API key
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*
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* @return string
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*/
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public function get_api_key() {
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return $this->_api_key;
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}
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/**
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* Returns a NewRelicAPI instance depending on configured params.
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*
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* @param int $api_key
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* @return NewRelicAPI
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*/
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private function getAPI() {
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static $api = null;
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if ( !$api ) {
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require_once W3TC_LIB_NEWRELIC_DIR . '/NewRelicAPI.php';
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$api = new \NewRelicAPI( $this->_api_key );
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}
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return $api;
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}
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/**
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* Retrieves an array with all applications.
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*
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* @param unknown $account_id
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* @return array
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*/
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public function get_applications() {
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if ( empty( $this->_api_key ) )
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return array();
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return $this->getAPI()->get_applications( $this->get_account_id() );
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}
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public function get_browser_applications() {
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return $this->getAPI()->get_browser_applications();
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}
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/**
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* Retrieves a specific application
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*
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* @param string $application_id
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* @return mixed
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*/
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public function get_application( $application_id ) {
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$applications = $this->get_applications();
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return $applications[$application_id];
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}
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/**
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* Retrieves the application summary
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*
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* @param string $application_id
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* @return array
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*/
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public function get_application_summary() {
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return $this->getAPI()->get_application_summary(
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$this->get_account_id(), $this->get_effective_application_id() );
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}
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/**
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* Retrievs the account info connected with the API key
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*
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* @return array|mixed|null
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*/
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public function get_account() {
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static $account = null;
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if ( !$account )
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$account = $this->getAPI()->get_account();
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return $account;
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}
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/**
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* Returns the subscription for the account
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*
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* @return string|null
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*/
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public function get_subscription() {
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$account = $this->get_account();
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if ( $account )
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return $account['subscription'];
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return null;
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}
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/**
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* Checks if account supports retrieval of metrics (names/data)
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*
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* @return bool
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*/
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public function can_get_metrics() {
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$subscription = $this->get_subscription();
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return $subscription['product-name'] != 'Lite';
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}
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/**
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* Retrieves the license key from the account
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*
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* @return null|string
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*/
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public function get_license_key_from_account() {
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$account = $this->get_account();
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if ( $account )
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return $account['license-key'];
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return null;
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}
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/**
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* Retrieves the application setting. Cached for 5 minutes.
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*
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* @return array|mixed
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*/
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public function get_application_settings() {
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$settings = $this->getAPI()->get_application_settings(
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$this->get_account_id(), $this->get_effective_application_id() );
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return $settings;
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}
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/**
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* Update applications settings
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*
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* @param array $application
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* @return bool
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*/
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public function update_application_settings( $application ) {
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$result = $this->getAPI()->update_application_settings(
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$this->get_account_id(), $this->get_effective_application_id(),
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$application );
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return $result;
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}
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/**
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* Retrieves metric names all or those matching regex with limit. Result is cached.
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*
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* @param string $regex
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|
* @param string $limit
|
||
|
|
* @return array|mixed
|
||
|
|
*/
|
||
|
|
public function get_metric_names( $regex = '', $limit = '' ) {
|
||
|
|
$metric_names_object = $this->getAPI()->get_metric_names( $this->get_effective_application_id(), $regex, $limit );
|
||
|
|
if ( !$metric_names_object )
|
||
|
|
return array();
|
||
|
|
|
||
|
|
$metric_names = array();
|
||
|
|
foreach ( $metric_names_object as $metric ) {
|
||
|
|
$metric_names[$metric->name] = $metric;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $metric_names;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves metric data for the provided metrics
|
||
|
|
*
|
||
|
|
* @param array $metrics
|
||
|
|
* @param string $field metric value field. If a metric name does not have this field the metric name is excluded
|
||
|
|
* @param int $days
|
||
|
|
* @param bool $summary
|
||
|
|
* @param bool $use_subgroup
|
||
|
|
* @return array|mixed
|
||
|
|
*/
|
||
|
|
public function get_metric_data( $metrics, $field, $days=7, $summary = true,
|
||
|
|
$use_subgroup = true ) {
|
||
|
|
if ( !is_array( $metrics ) )
|
||
|
|
$metrics = array( $metrics );
|
||
|
|
|
||
|
|
$begin = new \DateTime( gmdate( "Y-m-d G:i:s",
|
||
|
|
strtotime( ( $days>1 ? "-$days days" : "-$days day" ) ) ) );
|
||
|
|
$beginStr = $begin->format( 'Y-m-d' ) . 'T' . $begin->format( 'H:i:s' ) . 'Z';
|
||
|
|
$to = new \DateTime( gmdate( "Y-m-d G:i:s" ) );
|
||
|
|
$toStr = $to->format( 'Y-m-d' ) . 'T' . $to->format( 'H:i:s' ) . 'Z';
|
||
|
|
$cache_key = md5( implode( ',', array( $this->get_account_id(),
|
||
|
|
$this->get_effective_application_id(), $beginStr, $toStr, implode( ',', $metrics ),
|
||
|
|
$field, $summary ) ) );
|
||
|
|
|
||
|
|
$metric_data = $this->getAPI()->get_metric_data( $this->get_account_id(),
|
||
|
|
$this->get_effective_application_id(), $beginStr, $toStr, $metrics, $field,
|
||
|
|
$summary );
|
||
|
|
$formatted_data = array();
|
||
|
|
|
||
|
|
if ( $metric_data ) {
|
||
|
|
foreach ( $metric_data as $metric ) {
|
||
|
|
$path = explode( '/', $metric->name );
|
||
|
|
$group = $path[0];
|
||
|
|
if ( $use_subgroup ) {
|
||
|
|
$subgroup = isset( $path[1] ) ? ( $path[1] == 'all' ? 0 : $path[1] ): 0;
|
||
|
|
$formatted_data[$group][$subgroup][] = $metric;
|
||
|
|
} else {
|
||
|
|
$formatted_data[$group][] = $metric;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $formatted_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the metrics used for the New Relic Dashboard widget
|
||
|
|
*
|
||
|
|
* @return array|mixed
|
||
|
|
*/
|
||
|
|
public function get_dashboard_metrics() {
|
||
|
|
$metrics = array( 'Database/all', 'WebTransaction', 'EndUser' );
|
||
|
|
$field = 'average_response_time';
|
||
|
|
return $this->get_metric_data( $metrics, $field, 1, true );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the top 5 pages with slowest page load
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_slowest_page_load() {
|
||
|
|
$metric_names = $this->get_metric_names( 'EndUser/WebTransaction/WebTransaction/' );
|
||
|
|
|
||
|
|
$metric_names_keys = array_keys( $metric_names );
|
||
|
|
$metric_data = $this->get_metric_data( $metric_names_keys,
|
||
|
|
'average_response_time', 1 );
|
||
|
|
$slowest = array();
|
||
|
|
|
||
|
|
if ( $metric_data ) {
|
||
|
|
$transactions = $metric_data['EndUser']['WebTransaction'];
|
||
|
|
foreach ( $transactions as $transaction ) {
|
||
|
|
$key = str_replace( 'EndUser/WebTransaction/WebTransaction', '',
|
||
|
|
$transaction->name );
|
||
|
|
$slowest[$key] = $transaction->average_response_time;
|
||
|
|
}
|
||
|
|
$slowest = $this->_sort_and_slice( $slowest, 5 );
|
||
|
|
}
|
||
|
|
return $slowest;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the top 5slowest webtransactions
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_slowest_webtransactions() {
|
||
|
|
$metric_names = $this->get_metric_names( '^WebTransaction/' );
|
||
|
|
$metric_names_keys = array_keys( $metric_names );
|
||
|
|
$metric_data = $this->get_metric_data( $metric_names_keys, 'average_response_time', 1 );
|
||
|
|
$slowest = array();
|
||
|
|
if ( $metric_data ) {
|
||
|
|
$transactions = $metric_data['WebTransaction'];
|
||
|
|
foreach ( $transactions as $transaction ) {
|
||
|
|
foreach ( $transaction as $tr_sub ) {
|
||
|
|
$key = str_replace( 'WebTransaction', '', $tr_sub->name );
|
||
|
|
$slowest[$key] = $tr_sub->average_response_time;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$slowest = $this->_sort_and_slice( $slowest, 5 );
|
||
|
|
}
|
||
|
|
return $slowest;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the top 5 slowest database queries
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function get_slowest_database() {
|
||
|
|
$metric_names = $this->get_metric_names( '^Database/' );
|
||
|
|
$metric_names_keys = array_keys( $metric_names );
|
||
|
|
$metric_names_keys = array_slice( $metric_names_keys, 7 );
|
||
|
|
$metric_data = $this->get_metric_data( $metric_names_keys, 'average_response_time', 1, true, false );
|
||
|
|
$slowest = array();
|
||
|
|
if ( $metric_data ) {
|
||
|
|
$transactions = $metric_data['Database'];
|
||
|
|
foreach ( $transactions as $transaction ) {
|
||
|
|
$key = str_replace( 'Database', '', $transaction->name );
|
||
|
|
$slowest[$key] = $transaction->average_response_time;
|
||
|
|
}
|
||
|
|
$slowest = $this->_sort_and_slice( $slowest, 5 );
|
||
|
|
}
|
||
|
|
return $slowest;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the front end response time
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function get_frontend_response_time() {
|
||
|
|
$metric_data = $this->get_metric_data( 'EndUser',
|
||
|
|
'average_fe_response_time', 1, true, false );
|
||
|
|
return isset( $metric_data['EndUser'] ) ?
|
||
|
|
$metric_data['EndUser'][0]->average_fe_response_time :
|
||
|
|
0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sorts an array highest to lowest and returns the top $size entries in an array.
|
||
|
|
*
|
||
|
|
* @param unknown $slowest
|
||
|
|
* @param unknown $size
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
private function _sort_and_slice( $slowest, $size ) {
|
||
|
|
arsort( $slowest, SORT_NUMERIC );
|
||
|
|
if ( sizeof( $slowest ) > $size )
|
||
|
|
$slowest = array_slice( $slowest, 0, $size );
|
||
|
|
return $slowest;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the application name thats used on New Relic
|
||
|
|
*
|
||
|
|
* @param unknown $application_id
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function get_application_name( $application_id ) {
|
||
|
|
$apps = $this->get_applications( $this->get_account_id() );
|
||
|
|
return isset( $apps[$application_id] ) ? $apps[$application_id] : '';
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the account id connected with the provided API key
|
||
|
|
*
|
||
|
|
* @param int $api_key
|
||
|
|
* @return int|null
|
||
|
|
*/
|
||
|
|
public function get_account_id() {
|
||
|
|
if ( empty( $this->_api_key ) )
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
$ids_string = get_option( 'w3tc_nr_account_id' );
|
||
|
|
$ids = @json_decode( $ids_string, true );
|
||
|
|
if ( !is_array( $ids ) )
|
||
|
|
$ids = array();
|
||
|
|
|
||
|
|
if ( isset( $ids[$this->_api_key] ) )
|
||
|
|
return $ids[$this->_api_key];
|
||
|
|
|
||
|
|
$ids[$this->_api_key] = 0;
|
||
|
|
|
||
|
|
try {
|
||
|
|
$account = $this->getAPI()->get_account();
|
||
|
|
|
||
|
|
if ( $account )
|
||
|
|
$ids[$this->_api_key] = (int)$account['id'];
|
||
|
|
} catch ( \Exception $ex ) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
update_option( 'w3tc_nr_account_id', json_encode( $ids ) );
|
||
|
|
|
||
|
|
return $ids[$this->_api_key];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Retrieves the application id from New Relic
|
||
|
|
*
|
||
|
|
* @param unknown $appname
|
||
|
|
* @return int|string
|
||
|
|
*/
|
||
|
|
public function get_application_id( $appname ) {
|
||
|
|
if ( empty( $appname ) )
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
$apps = $this->get_applications();
|
||
|
|
foreach ( $apps as $id => $name ) {
|
||
|
|
if ( $name == $appname )
|
||
|
|
return $id;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_effective_application_id() {
|
||
|
|
$config = Dispatcher::config();
|
||
|
|
|
||
|
|
$monitoring_type = $config->get_string( array( 'newrelic', 'monitoring_type' ) );
|
||
|
|
if ( $monitoring_type == 'browser' ) {
|
||
|
|
return $config->get_string( array(
|
||
|
|
'newrelic', 'browser.application_id' ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
$appname = $this->get_effective_appname();
|
||
|
|
$ids_string = get_option( 'w3tc_nr_application_id' );
|
||
|
|
$ids = @json_decode( $ids_string, true );
|
||
|
|
if ( !is_array( $ids ) )
|
||
|
|
$ids = array();
|
||
|
|
|
||
|
|
$key = md5( $this->_api_key . $appname );
|
||
|
|
if ( isset( $ids[$key] ) )
|
||
|
|
return $ids[$key];
|
||
|
|
|
||
|
|
try {
|
||
|
|
$ids[$key] = $this->get_application_id( $appname );
|
||
|
|
} catch ( \Exception $ex ) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
update_option( 'w3tc_nr_application_id', json_encode( $ids ) );
|
||
|
|
|
||
|
|
return $ids[$key];
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_effective_appname() {
|
||
|
|
$config = Dispatcher::config();
|
||
|
|
|
||
|
|
$monitoring_type = $config->get_string( array( 'newrelic', 'monitoring_type' ) );
|
||
|
|
if ( $monitoring_type == 'browser' ) {
|
||
|
|
$core = Dispatcher::component( 'Extension_NewRelic_Core' );
|
||
|
|
$a = $core->get_effective_browser_application();
|
||
|
|
if ( isset( $a['name'] ) )
|
||
|
|
return $a['name'];
|
||
|
|
|
||
|
|
return '?';
|
||
|
|
}
|
||
|
|
|
||
|
|
return $config->get_string( array( 'newrelic', 'apm.application_name' ) );
|
||
|
|
}
|
||
|
|
}
|