Elasticsearch\Namespaces\ClusterNamespace

/*
$params['index']                      = (list) Limit the information returned to a specific index
       ['level']                      = (enum) Specify the level of detail for returned information
(cluster,indices,shards) (default: cluster)
       ['local']                      = (boolean) Return local information, do not retrieve the state from
master node (default: false)
       ['master_timeout']             = (time) Explicit operation timeout for connection to master node
       ['timeout']                    = (time) Explicit operation timeout
       ['wait_for_active_shards']     = (number) Wait until the specified number of shards is active
       ['wait_for_nodes']             = (string) Wait until the specified number of nodes is available
       ['wait_for_relocating_shards'] = (number) Wait until the specified number of relocating shards is
finished
       ['wait_for_status']            = (enum) Wait until cluster is in a specific state (green,yellow,red)
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->health($params);

/*
$params['dry_run']         = (boolean) Simulate the operation only and return the resulting state
       ['explain']         = (boolean) Return an explanation of why the commands can or cannot be executed
       ['filter_metadata'] = (boolean) Don't return cluster state metadata (default: false)
       ['metric']          = (list) Limit the information returned to the specified metrics. Defaults to all but
metadata (_all,blocks,metadata,nodes,routing_table,master_node,version)
       ['master_timeout']  = (time) Explicit operation timeout for connection to master node
       ['timeout']         = (time) Explicit operation timeout
       ['body']            = The definition of `commands` to perform (`move`, `cancel`, `allocate`)
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->reroute($params);

/*
$params['index']              = (list) A comma-separated list of index names; use `_all` or empty string to
perform the operation on all indices
       ['metric']             = (list) Limit the information returned to the specified metrics
       ['local']              = (boolean) Return local information, do not retrieve the state from master node
(default: false)
       ['master_timeout']     = (time) Specify timeout for connection to master
       ['flat_settings']      = (boolean) Return settings in flat format (default: false)
       ['ignore_unavailable'] = (boolean) Whether specified concrete indices should be ignored when unavailable
(missing or closed)
       ['allow_no_indices']   = (boolean) Whether to ignore if a wildcard indices expression resolves into no
concrete indices. (This includes `_all` string or when no indices have been specified)
       ['expand_wildcards']   = (enum) Whether to expand wildcard expression to concrete indices that are open,
closed or both. (open,closed,none,all) (default: open)
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->state($params);

/*
$params['node_id']       = (list) A comma-separated list of node IDs or names to limit the returned information;
use `_local` to return information from the node you're connecting to, leave empty to get information from all
nodes
       ['flat_settings'] = (boolean) Return settings in flat format (default: false)
       ['human']         = (boolean) Whether to return time and byte values in human-readable format. (default:
false)
       ['timeout']       = (time) Explicit operation timeout
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->stats($params);

/*
$params['flat_settings']  = (boolean) Return settings in flat format (default: false)
       ['master_timeout'] = (time) Explicit operation timeout for connection to master node
       ['timeout']        = (time) Explicit operation timeout
       ['body']           = The settings to be updated. Can be either `transient` or `persistent` (survives
cluster restart).
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->putSettings($params);

/*
$params['flat_settings']  = (boolean) Return settings in flat format (default: false)
       ['master_timeout'] = (time) Explicit operation timeout for connection to master node
       ['timeout']        = (time) Explicit operation timeout
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->getSettings($params);

/*
$params['local']          = (boolean) Return local information, do not retrieve the state from master node
(default: false)
       ['master_timeout'] = (time) Specify timeout for connection to master
       ['body']  = (array) Request body
*/

$params = [
    // ...
];

$client = ClientBuilder::create()->build();
$response = $client->cluster()->pendingTasks($params);