File "BackendServiceLocalityLoadBalancingPolicyConfigPolicy.php"
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<?php
/*
* Copyright 2014 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
namespace Google\Service\Compute;
class BackendServiceLocalityLoadBalancingPolicyConfigPolicy extends \Google\Model
{
public const NAME_INVALID_LB_POLICY = 'INVALID_LB_POLICY';
/**
* An O(1) algorithm which selects two random healthy hosts and picks the host
* which has fewer active requests.
*/
public const NAME_LEAST_REQUEST = 'LEAST_REQUEST';
/**
* This algorithm implements consistent hashing to backends. Maglev can be
* used as a drop in replacement for the ring hash load balancer. Maglev is
* not as stable as ring hash but has faster table lookup build times and host
* selection times. For more information about Maglev, seeMaglev: A Fast and
* Reliable Software Network Load Balancer.
*/
public const NAME_MAGLEV = 'MAGLEV';
/**
* Backend host is selected based on the client connection metadata, i.e.,
* connections are opened to the same address as the destination address of
* the incoming connection before the connection was redirected to the load
* balancer.
*/
public const NAME_ORIGINAL_DESTINATION = 'ORIGINAL_DESTINATION';
/**
* The load balancer selects a random healthy host.
*/
public const NAME_RANDOM = 'RANDOM';
/**
* The ring/modulo hash load balancer implements consistent hashing to
* backends. The algorithm has the property that the addition/removal of a
* host from a set of N hosts only affects 1/N of the requests.
*/
public const NAME_RING_HASH = 'RING_HASH';
/**
* This is a simple policy in which each healthy backend is selected in round
* robin order. This is the default.
*/
public const NAME_ROUND_ROBIN = 'ROUND_ROBIN';
/**
* Per-instance weighted Load Balancing via health check reported weights. In
* internal passthrough network load balancing, it is weighted rendezvous
* hashing. This option is only supported in internal passthrough network load
* balancing.
*/
public const NAME_WEIGHTED_GCP_RENDEZVOUS = 'WEIGHTED_GCP_RENDEZVOUS';
/**
* Per-instance weighted Load Balancing via health check reported weights. If
* set, the Backend Service must configure a non legacy HTTP-based Health
* Check, and health check replies are expected to contain non-standard HTTP
* response header field X-Load-Balancing-Endpoint-Weight to specify the per-
* instance weights. If set, Load Balancing is weighted based on the per-
* instance weights reported in the last processed health check replies, as
* long as every instance either reported a valid weight or had
* UNAVAILABLE_WEIGHT. Otherwise, Load Balancing remains equal-weight. This
* option is only supported in Network Load Balancing.
*/
public const NAME_WEIGHTED_MAGLEV = 'WEIGHTED_MAGLEV';
/**
* Per-endpoint weighted round-robin Load Balancing using weights computed
* from Backend reported Custom Metrics. If set, the Backend Service responses
* are expected to contain non-standard HTTP response header field Endpoint-
* Load-Metrics. The reported metrics to use for computing the weights are
* specified via the customMetrics fields.
*/
public const NAME_WEIGHTED_ROUND_ROBIN = 'WEIGHTED_ROUND_ROBIN';
/**
* The name of a locality load-balancing policy. Valid values include
* ROUND_ROBIN and, for Java clients, LEAST_REQUEST. For information about
* these values, see the description of localityLbPolicy.
*
* Do not specify the same policy more than once for a backend. If you do, the
* configuration is rejected.
*
* @var string
*/
public $name;
/**
* The name of a locality load-balancing policy. Valid values include
* ROUND_ROBIN and, for Java clients, LEAST_REQUEST. For information about
* these values, see the description of localityLbPolicy.
*
* Do not specify the same policy more than once for a backend. If you do, the
* configuration is rejected.
*
* Accepted values: INVALID_LB_POLICY, LEAST_REQUEST, MAGLEV,
* ORIGINAL_DESTINATION, RANDOM, RING_HASH, ROUND_ROBIN,
* WEIGHTED_GCP_RENDEZVOUS, WEIGHTED_MAGLEV, WEIGHTED_ROUND_ROBIN
*
* @param self::NAME_* $name
*/
public function setName($name)
{
$this->name = $name;
}
/**
* @return self::NAME_*
*/
public function getName()
{
return $this->name;
}
}
// Adding a class alias for backwards compatibility with the previous class name.
class_alias(BackendServiceLocalityLoadBalancingPolicyConfigPolicy::class, 'Google_Service_Compute_BackendServiceLocalityLoadBalancingPolicyConfigPolicy');