/**
* Provide better error messaging for common connection errors
*
* @since 0.9.3
*/
private function _connect_check()
{
$host = ep_get_host();
if (empty($host)) {
WP_CLI::error(__('There is no Elasticsearch host set up. Either add one through the dashboard or define one in wp-config.php', 'elasticpress'));
} elseif (!ep_elasticsearch_can_connect()) {
WP_CLI::error(__('Unable to reach Elasticsearch Server! Check that service is running.', 'elasticpress'));
}
}
/**
* Get stats on the current index.
*
* @since 0.9.2
*/
public function stats()
{
$this->_connect_check();
$request_args = array('headers' => ep_format_request_headers());
$request = wp_remote_get(trailingslashit(ep_get_host(true)) . '_stats/', $request_args);
if (is_wp_error($request)) {
WP_CLI::error(implode("\n", $request->get_error_messages()));
}
$body = json_decode(wp_remote_retrieve_body($request), true);
$sites = is_multisite() ? ep_get_sites() : array('blog_id' => get_current_blog_id());
foreach ($sites as $site) {
$current_index = ep_get_index_name($site['blog_id']);
if (isset($body['indices'][$current_index])) {
WP_CLI::log('====== Stats for: ' . $current_index . " ======");
WP_CLI::log('Documents: ' . $body['indices'][$current_index]['total']['docs']['count']);
WP_CLI::log('Index Size: ' . size_format($body['indices'][$current_index]['total']['store']['size_in_bytes'], 2));
WP_CLI::log('====== End Stats ======');
} else {
WP_CLI::warning($current_index . ' is not currently indexed.');
}
}
}
/**
* Test get hosts method
*/
public function testGetHost()
{
global $ep_backup_host;
//Check host constant
$host_1 = ep_get_host(true);
//Test only host in array
$ep_backup_host = array('http://127.0.0.1:9200');
$host_2 = ep_get_host(true, true);
//Test no good hosts
$ep_backup_host = array('bad host 1', 'bad host 2');
$host_3 = ep_get_host(true, true);
//Test good host 1st array item
$ep_backup_host = array('http://127.0.0.1:9200', 'bad host 2');
$host_4 = ep_get_host(true, true);
//Test good host last array item
$ep_backup_host = array('bad host 1', 'http://127.0.0.1:9200');
$host_5 = ep_get_host(true, true);
$this->assertInternalType('string', $host_1);
$this->assertInternalType('string', $host_2);
$this->assertWPError($host_3);
$this->assertInternalType('string', $host_4);
$this->assertInternalType('string', $host_5);
}
/**
* Wrapper for wp_remote_request
*
* This is a wrapper function for wp_remote_request that will switch to a backup server
* (if present) should the primary EP host fail.
*
* @since 1.6
*
* @param string $path Site URL to retrieve.
* @param array $args Optional. Request arguments. Default empty array.
*
* @return WP_Error|array The response or WP_Error on failure.
*/
public function remote_request($path, $args = array())
{
//The allowance of these variables makes testing easier.
$force = false;
$use_backups = false;
//Add the API Header
$args['headers'] = $this->format_request_headers();
if (defined('EP_FORCE_HOST_REFRESH') && true === EP_FORCE_HOST_REFRESH) {
$force = true;
}
if (defined('EP_HOST_USE_ONLY_BACKUPS') && true === EP_HOST_USE_ONLY_BACKUPS) {
$use_backups = true;
}
$host = ep_get_host($force, $use_backups);
$request = false;
if (!is_wp_error($host)) {
// probably only reachable in testing but just to be safe
$request = wp_remote_request(esc_url(trailingslashit($host) . $path), $args);
//try the existing host to avoid unnecessary calls
}
//If we have a failure we'll try it again with a backup host
if (false === $request || is_wp_error($request) || isset($request['response']['code']) && 200 !== $request['response']['code']) {
$host = ep_get_host(true, $use_backups);
if (is_wp_error($host)) {
return $host;
}
return wp_remote_request(esc_url(trailingslashit($host) . $path), $args);
}
return $request;
}
/**
* Conditionally show dashboard or intro
*
* @since 2.1
*/
public function intro_or_dashboard()
{
global $pagenow;
if ('admin.php' !== $pagenow || empty($_GET['page']) || 'elasticpress' !== $_GET['page']) {
return;
}
$host = ep_get_host();
if (defined('EP_IS_NETWORK') && EP_IS_NETWORK) {
$intro_shown = get_site_option('ep_intro_shown', false);
} else {
$intro_shown = get_option('ep_intro_shown', false);
}
if (!$intro_shown) {
if (defined('EP_IS_NETWORK') && EP_IS_NETWORK) {
wp_redirect(admin_url('network/admin.php?page=elasticpress-intro'));
} else {
wp_redirect(admin_url('admin.php?page=elasticpress-intro'));
}
exit;
} else {
if (empty($host)) {
if (defined('EP_IS_NETWORK') && EP_IS_NETWORK) {
wp_redirect(admin_url('network/admin.php?page=elasticpress-intro'));
} else {
wp_redirect(admin_url('admin.php?page=elasticpress-intro'));
}
exit;
}
}
}
<table class="form-table">
<tbody>
<tr>
<th scope="row"><label for="ep_host"><?php
esc_html_e('Elasticsearch Host', 'elasticpress');
?>
</label></th>
<td>
<input <?php
if (defined('EP_HOST') && EP_HOST) {
?>
disabled<?php
}
?>
placeholder="http://" type="text" value="<?php
echo esc_url(ep_get_host());
?>
" name="ep_host" id="ep_host">
<?php
if (defined('EP_HOST') && EP_HOST) {
?>
<span class="description"><?php
esc_html_e('Your Elasticsearch host is set in wp-config.php', 'elasticpress');
?>
</span>
<?php
} else {
?>
<span class="description"><?php
_e('Plug in your Elasticsearch server here!', 'elasticpress');
?>
/**
* Retrieves search stats from Elasticsearch.
*
* Retrieves various search statistics from the ES server.
*
* @since 1.9
*
* @param int $blog_id Id of blog to get stats.
*
* @return array Contains the status message or the returned statistics.
*/
public function get_search_status($blog_id = null)
{
if (is_wp_error(ep_get_host())) {
return array('status' => false, 'msg' => esc_html__('Elasticsearch Host is not available.', 'elasticpress'));
} else {
if (is_multisite() && null === $blog_id) {
$path = ep_get_network_alias() . '/_stats/search/';
} else {
$path = ep_get_index_name($blog_id) . '/_stats/search/';
}
$request = ep_remote_request($path, array('method' => 'GET'));
}
if (!is_wp_error($request)) {
$stats = json_decode(wp_remote_retrieve_body($request));
if (isset($stats->_all)) {
return $stats->_all->primaries->search;
}
return false;
}
return array('status' => false, 'msg' => $request->get_error_message());
}