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Yandex Application Load Balancer

Application Load Balancer API, REST: LoadBalancer.get

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Returns the specified application load balancer.

To get the list of all available application load balancers, make a list request.

HTTP request

GET https://alb.api.cloud.yandex.net/apploadbalancer/v1/loadBalancers/{loadBalancerId}

Path parameters

Parameter Description
loadBalancerId

Required. ID of the application load balancer to return.

To get the application load balancer ID, make a list request.

Response

HTTP Code: 200 - OK

{
  "id": "string",
  "name": "string",
  "description": "string",
  "folderId": "string",
  "labels": "object",
  "status": "string",
  "regionId": "string",
  "networkId": "string",
  "listeners": [
    {
      "name": "string",
      "endpoints": [
        {
          "addresses": [
            {

              // `listeners[].endpoints[].addresses[]` includes only one of the fields `externalIpv4Address`, `internalIpv4Address`, `externalIpv6Address`
              "externalIpv4Address": {
                "address": "string"
              },
              "internalIpv4Address": {
                "address": "string",
                "subnetId": "string"
              },
              "externalIpv6Address": {
                "address": "string"
              },
              // end of the list of possible fields`listeners[].endpoints[].addresses[]`

            }
          ],
          "ports": [
            "string"
          ]
        }
      ],

      // `listeners[]` includes only one of the fields `http`, `tls`, `stream`
      "http": {
        "handler": {
          "httpRouterId": "string",
          "rewriteRequestId": true,

          // `listeners[].http.handler` includes only one of the fields `http2Options`, `allowHttp10`
          "http2Options": {
            "maxConcurrentStreams": "string"
          },
          "allowHttp10": true,
          // end of the list of possible fields`listeners[].http.handler`

        },
        "redirects": {
          "httpToHttps": true
        }
      },
      "tls": {
        "defaultHandler": {
          "certificateIds": [
            "string"
          ],

          // `listeners[].tls.defaultHandler` includes only one of the fields `httpHandler`, `streamHandler`
          "httpHandler": {
            "httpRouterId": "string",
            "rewriteRequestId": true,

            // `listeners[].tls.defaultHandler.httpHandler` includes only one of the fields `http2Options`, `allowHttp10`
            "http2Options": {
              "maxConcurrentStreams": "string"
            },
            "allowHttp10": true,
            // end of the list of possible fields`listeners[].tls.defaultHandler.httpHandler`

          },
          "streamHandler": {
            "backendGroupId": "string"
          },
          // end of the list of possible fields`listeners[].tls.defaultHandler`

        },
        "sniHandlers": [
          {
            "name": "string",
            "serverNames": [
              "string"
            ],
            "handler": {
              "certificateIds": [
                "string"
              ],

              // `listeners[].tls.sniHandlers[].handler` includes only one of the fields `httpHandler`, `streamHandler`
              "httpHandler": {
                "httpRouterId": "string",
                "rewriteRequestId": true,

                // `listeners[].tls.sniHandlers[].handler.httpHandler` includes only one of the fields `http2Options`, `allowHttp10`
                "http2Options": {
                  "maxConcurrentStreams": "string"
                },
                "allowHttp10": true,
                // end of the list of possible fields`listeners[].tls.sniHandlers[].handler.httpHandler`

              },
              "streamHandler": {
                "backendGroupId": "string"
              },
              // end of the list of possible fields`listeners[].tls.sniHandlers[].handler`

            }
          }
        ]
      },
      "stream": {
        "handler": {
          "backendGroupId": "string"
        }
      },
      // end of the list of possible fields`listeners[]`

    }
  ],
  "allocationPolicy": {
    "locations": [
      {
        "zoneId": "string",
        "subnetId": "string",
        "disableTraffic": true
      }
    ]
  },
  "logGroupId": "string",
  "securityGroupIds": [
    "string"
  ],
  "createdAt": "string",
  "autoScalePolicy": {
    "minZoneSize": "string",
    "maxSize": "string"
  },
  "logOptions": {
    "logGroupId": "string",
    "discardRules": [
      {
        "httpCodes": [
          "string"
        ],
        "httpCodeIntervals": [
          "string"
        ],
        "grpcCodes": [
          "string"
        ],
        "discardPercent": "integer"
      }
    ],
    "disable": true
  }
}

An application load balancer resource.
For details about the concept, see documentation.

Field Description
id string

ID of the application load balancer. Generated at creation time.
name string

Name of the application load balancer. The name is unique within the folder.
description string

Description of the application load balancer.
folderId string

ID of the folder that the application load balancer belongs to.
labels object

Application load balancer labels as key:value pairs. For details about the concept, see documentation.
status string

Status of the application load balancer.

  • CREATING: The application load balancer is being created.
  • STARTING: The application load balancer is being started.
  • ACTIVE: The application load balancer is active and sends traffic to the targets.
  • STOPPING: The application load balancer is being stopped.
  • STOPPED: The application load balancer is stopped and doesn't send traffic to the targets.
  • DELETING: The application load balancer is being deleted.
regionId string

ID of the region that the application load balancer is located at.
networkId string

ID of the network that the application load balancer belongs to.
listeners[] object

Listeners that belong to the application load balancer.

For details about the concept, see documentation.
listeners[].
name		 string

Required. Name of the listener. The name is unique within the application load balancer. The string length in characters is 3-63.
listeners[].
endpoints[]		 object

Endpoints of the listener.

Endpoints are defined by their IP addresses and ports.
listeners[].
endpoints[].
addresses[]		 object

Required. Endpoint public (external) and internal addresses.

Must contain at least one element.
listeners[].
endpoints[].
addresses[].
externalIpv4Address		 object
Public IPv4 endpoint address.
listeners[].endpoints[].addresses[] includes only one of the fields externalIpv4Address, internalIpv4Address, externalIpv6Address
listeners[].
endpoints[].
addresses[].
externalIpv4Address.
address		 string

IPv4 address.
listeners[].
endpoints[].
addresses[].
internalIpv4Address		 object
Internal IPv4 endpoint address. To enable the use of listeners with internal addresses, contact support.
listeners[].endpoints[].addresses[] includes only one of the fields externalIpv4Address, internalIpv4Address, externalIpv6Address
listeners[].
endpoints[].
addresses[].
internalIpv4Address.
address		 string

IPv4 address.
listeners[].
endpoints[].
addresses[].
internalIpv4Address.
subnetId		 string

ID of the subnet that the address belongs to.
listeners[].
endpoints[].
addresses[].
externalIpv6Address		 object
Public IPv6 endpoint address.
listeners[].endpoints[].addresses[] includes only one of the fields externalIpv4Address, internalIpv4Address, externalIpv6Address
listeners[].
endpoints[].
addresses[].
externalIpv6Address.
address		 string

IPv6 address.
listeners[].
endpoints[].
ports[]		 string (int64)

Required. Endpoint ports.

Must contain at least one element. Acceptable values are 1 to 65535, inclusive.
listeners[].
http		 object
Unencrypted HTTP listener settings.
listeners[] includes only one of the fields http, tls, stream
listeners[].
http.
handler		 object

Settings for handling HTTP requests.

Only one of handler and redirects can be specified.

An HTTP handler resource.
listeners[].
http.
handler.
httpRouterId		 string

ID of the HTTP router processing requests. For details about the concept, see documentation.

To get the list of all available HTTP routers, make a list request.
listeners[].
http.
handler.
rewriteRequestId		 boolean (boolean)

When unset, will preserve the incoming x-request-id header, otherwise would rewrite it with a new value.
listeners[].
http.
handler.
http2Options		 object
HTTP/2 settings. If specified, incoming HTTP/2 requests are supported by the listener.
listeners[].http.handler includes only one of the fields http2Options, allowHttp10
listeners[].
http.
handler.
http2Options.
maxConcurrentStreams		 string (int64)

Maximum number of concurrent HTTP/2 streams in a connection.
listeners[].
http.
handler.
allowHttp10		 boolean (boolean)
listeners[].http.handler includes only one of the fields http2Options, allowHttp10

Enables support for incoming HTTP/1.0 and HTTP/1.1 requests and disables it for HTTP/2 requests.
listeners[].
http.
redirects		 object

Redirects settings.

Only one of redirects and handler can be specified.

A listener redirects resource.
listeners[].
http.
redirects.
httpToHttps		 boolean (boolean)

Redirects all unencrypted HTTP requests to the same URI with scheme changed to https.

The setting has the same effect as a single, catch-all HttpRoute with replaceScheme set to https.
listeners[].
tls		 object
TLS-encrypted HTTP or TCP stream listener settings. All handlers within a listener (defaultHandler and sniHandlers) must be of one type, HttpHandler or StreamHandler. Mixing HTTP and TCP stream traffic in a TLS-encrypted listener is not supported.
listeners[] includes only one of the fields http, tls, stream
listeners[].
tls.
defaultHandler		 object

Required. Settings for handling requests by default, with Server Name Indication (SNI) not matching any of the sniHandlers.

A TLS-encrypted (HTTP or TCP stream) handler resource.
listeners[].
tls.
defaultHandler.
certificateIds[]		 string

Required. ID's of the TLS server certificates from Certificate Manager.

RSA and ECDSA certificates are supported, and only the first certificate of each type is used.

Must contain at least one element.
listeners[].
tls.
defaultHandler.
httpHandler		 object
HTTP handler.
listeners[].tls.defaultHandler includes only one of the fields httpHandler, streamHandler
listeners[].
tls.
defaultHandler.
httpHandler.
httpRouterId		 string

ID of the HTTP router processing requests. For details about the concept, see documentation.

To get the list of all available HTTP routers, make a list request.
listeners[].
tls.
defaultHandler.
httpHandler.
rewriteRequestId		 boolean (boolean)

When unset, will preserve the incoming x-request-id header, otherwise would rewrite it with a new value.
listeners[].
tls.
defaultHandler.
httpHandler.
http2Options		 object
HTTP/2 settings. If specified, incoming HTTP/2 requests are supported by the listener.
listeners[].tls.defaultHandler.httpHandler includes only one of the fields http2Options, allowHttp10
listeners[].
tls.
defaultHandler.
httpHandler.
http2Options.
maxConcurrentStreams		 string (int64)

Maximum number of concurrent HTTP/2 streams in a connection.
listeners[].
tls.
defaultHandler.
httpHandler.
allowHttp10		 boolean (boolean)
listeners[].tls.defaultHandler.httpHandler includes only one of the fields http2Options, allowHttp10

Enables support for incoming HTTP/1.0 and HTTP/1.1 requests and disables it for HTTP/2 requests.
listeners[].
tls.
defaultHandler.
streamHandler		 object
Stream (TCP) handler.
listeners[].tls.defaultHandler includes only one of the fields httpHandler, streamHandler
listeners[].
tls.
defaultHandler.
streamHandler.
backendGroupId		 string

Required. ID of the backend group processing requests. For details about the concept, see documentation.

The backend group type, specified via [BackendGroup.backend], must be stream.

To get the list of all available backend groups, make a list request.
listeners[].
tls.
sniHandlers[]		 object

Settings for handling requests with Server Name Indication (SNI) matching one of serverNames values.
listeners[].
tls.
sniHandlers[].
name		 string

Required. Name of the SNI handler.
listeners[].
tls.
sniHandlers[].
serverNames[]		 string

Required. Server names that are matched by the SNI handler.

Must contain at least one element.
listeners[].
tls.
sniHandlers[].
handler		 object

Required. Settings for handling requests with Server Name Indication (SNI) matching one of serverNames values.

A TLS-encrypted (HTTP or TCP stream) handler resource.
listeners[].
tls.
sniHandlers[].
handler.
certificateIds[]		 string

Required. ID's of the TLS server certificates from Certificate Manager.

RSA and ECDSA certificates are supported, and only the first certificate of each type is used.

Must contain at least one element.
listeners[].
tls.
sniHandlers[].
handler.
httpHandler		 object
HTTP handler.
listeners[].tls.sniHandlers[].handler includes only one of the fields httpHandler, streamHandler
listeners[].
tls.
sniHandlers[].
handler.
httpHandler.
httpRouterId		 string

ID of the HTTP router processing requests. For details about the concept, see documentation.

To get the list of all available HTTP routers, make a list request.
listeners[].
tls.
sniHandlers[].
handler.
httpHandler.
rewriteRequestId		 boolean (boolean)

When unset, will preserve the incoming x-request-id header, otherwise would rewrite it with a new value.
listeners[].
tls.
sniHandlers[].
handler.
httpHandler.
http2Options		 object
HTTP/2 settings. If specified, incoming HTTP/2 requests are supported by the listener.
listeners[].tls.sniHandlers[].handler.httpHandler includes only one of the fields http2Options, allowHttp10
listeners[].
tls.
sniHandlers[].
handler.
httpHandler.
http2Options.
maxConcurrentStreams		 string (int64)

Maximum number of concurrent HTTP/2 streams in a connection.
listeners[].
tls.
sniHandlers[].
handler.
httpHandler.
allowHttp10		 boolean (boolean)
listeners[].tls.sniHandlers[].handler.httpHandler includes only one of the fields http2Options, allowHttp10

Enables support for incoming HTTP/1.0 and HTTP/1.1 requests and disables it for HTTP/2 requests.
listeners[].
tls.
sniHandlers[].
handler.
streamHandler		 object
Stream (TCP) handler.
listeners[].tls.sniHandlers[].handler includes only one of the fields httpHandler, streamHandler
listeners[].
tls.
sniHandlers[].
handler.
streamHandler.
backendGroupId		 string

Required. ID of the backend group processing requests. For details about the concept, see documentation.

The backend group type, specified via [BackendGroup.backend], must be stream.

To get the list of all available backend groups, make a list request.
listeners[].
stream		 object
Unencrypted stream (TCP) listener settings.
listeners[] includes only one of the fields http, tls, stream
listeners[].
stream.
handler		 object

Required. Settings for handling stream (TCP) requests.

A stream (TCP) handler resource.
listeners[].
stream.
handler.
backendGroupId		 string

Required. ID of the backend group processing requests. For details about the concept, see documentation.

The backend group type, specified via [BackendGroup.backend], must be stream.

To get the list of all available backend groups, make a list request.
allocationPolicy object

Locality settings of the application load balancer.

For details about the concept, see documentation.

A locality settings (allocation policy) resource.
allocationPolicy.
locations[]		 object

Required. Availability zones and subnets that the application load balancer resides.

The minimum number of elements is 1.
allocationPolicy.
locations[].
zoneId		 string

Required. ID of the availability zone where the application load balancer resides.

Each availability zone can only be specified once.
allocationPolicy.
locations[].
subnetId		 string

ID of the subnet that the application load balancer belongs to.
allocationPolicy.
locations[].
disableTraffic		 boolean (boolean)

Disables the load balancer node in the specified availability zone.

Backends in the availability zone are not directly affected by this setting. They still may receive traffic from the load balancer nodes in other availability zones, subject to localityAwareRoutingPercent and strictLocality settings.
logGroupId string

ID of the log group that stores access logs of the application load balancer.

The logs can be accessed using a Cloud Functions trigger for Cloud Logs.
securityGroupIds[] string

ID's of the security groups attributed to the application load balancer.

For details about the concept, see documentation.
createdAt string (date-time)

Creation timestamp.

String in RFC3339 text format. The range of possible values is from 0001-01-01T00:00:00Z to 9999-12-31T23:59:59.999999999Z, i.e. from 0 to 9 digits for fractions of a second.

To work with values in this field, use the APIs described in the Protocol Buffers reference. In some languages, built-in datetime utilities do not support nanosecond precision (9 digits).
autoScalePolicy object

Scaling settings of the application load balancer.

The scaling settings relate to a special internal instance group which facilitates the balancer's work. Instances in this group are called resource units. The group is scaled automatically based on incoming load and within limitations specified in these settings.

For details about the concept, see documentation.

A resource for scaling settings of an application load balancer.
autoScalePolicy.
minZoneSize		 string (int64)

Lower limit for the number of resource units in each availability zone.

If not specified previously (using other instruments such as management console), the default value is 2. To revert to it, specify it explicitly.

The minimum value is 2.

Acceptable values are 0 to 1000, inclusive.
autoScalePolicy.
maxSize		 string (int64)

Upper limit for the total number of resource units across all availability zones.

If a positive value is specified, it must be at least minZoneSize multiplied by the size of locations.

If the value is 0, there is no upper limit.

Acceptable values are 0 to 1000, inclusive.
logOptions object

Cloud logging settings of the application load balancer.
logOptions.
logGroupId		 string

Cloud Logging log group ID to store access logs. If not set then logs will be stored in default log group for the folder where load balancer located.
logOptions.
discardRules[]		 object

ordered list of rules, first matching rule applies
logOptions.
discardRules[].
httpCodes[]		 string (int64)

HTTP codes that should be discarded.

Acceptable values are 100 to 599, inclusive.
logOptions.
discardRules[].
httpCodeIntervals[]		 string

Groups of HTTP codes like 4xx that should be discarded.
logOptions.
discardRules[].
grpcCodes[]		 string

GRPC codes that should be discarded

  • OK: Not an error; returned on success

    HTTP Mapping: 200 OK

  • CANCELLED: The operation was cancelled, typically by the caller.

    HTTP Mapping: 499 Client Closed Request

  • UNKNOWN: Unknown error. For example, this error may be returned when a Status value received from another address space belongs to an error space that is not known in this address space. Also errors raised by APIs that do not return enough error information may be converted to this error.

    HTTP Mapping: 500 Internal Server Error

  • INVALID_ARGUMENT: The client specified an invalid argument. Note that this differs from FAILED_PRECONDITION. INVALID_ARGUMENT indicates arguments that are problematic regardless of the state of the system (e.g., a malformed file name).

    HTTP Mapping: 400 Bad Request

  • DEADLINE_EXCEEDED: The deadline expired before the operation could complete. For operations that change the state of the system, this error may be returned even if the operation has completed successfully. For example, a successful response from a server could have been delayed long enough for the deadline to expire.

    HTTP Mapping: 504 Gateway Timeout

  • NOT_FOUND: Some requested entity (e.g., file or directory) was not found.

    Note to server developers: if a request is denied for an entire class of users, such as gradual feature rollout or undocumented whitelist, NOT_FOUND may be used. If a request is denied for some users within a class of users, such as user-based access control, PERMISSION_DENIED must be used.

    HTTP Mapping: 404 Not Found

  • ALREADY_EXISTS: The entity that a client attempted to create (e.g., file or directory) already exists.

    HTTP Mapping: 409 Conflict

  • PERMISSION_DENIED: The caller does not have permission to execute the specified operation. PERMISSION_DENIED must not be used for rejections caused by exhausting some resource (use RESOURCE_EXHAUSTED instead for those errors). PERMISSION_DENIED must not be used if the caller can not be identified (use UNAUTHENTICATED instead for those errors). This error code does not imply the request is valid or the requested entity exists or satisfies other pre-conditions.

    HTTP Mapping: 403 Forbidden

  • UNAUTHENTICATED: The request does not have valid authentication credentials for the operation.

    HTTP Mapping: 401 Unauthorized

  • RESOURCE_EXHAUSTED: Some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space.

    HTTP Mapping: 429 Too Many Requests

  • FAILED_PRECONDITION: The operation was rejected because the system is not in a state required for the operation's execution. For example, the directory to be deleted is non-empty, an rmdir operation is applied to a non-directory, etc.

    Service implementors can use the following guidelines to decide between FAILED_PRECONDITION, ABORTED, and UNAVAILABLE: (a) Use UNAVAILABLE if the client can retry just the failing call. (b) Use ABORTED if the client should retry at a higher level (e.g., when a client-specified test-and-set fails, indicating the client should restart a read-modify-write sequence). (c) Use FAILED_PRECONDITION if the client should not retry until the system state has been explicitly fixed. E.g., if an "rmdir" fails because the directory is non-empty, FAILED_PRECONDITION should be returned since the client should not retry unless the files are deleted from the directory.

    HTTP Mapping: 400 Bad Request

  • ABORTED: The operation was aborted, typically due to a concurrency issue such as a sequencer check failure or transaction abort.

    See the guidelines above for deciding between FAILED_PRECONDITION, ABORTED, and UNAVAILABLE.

    HTTP Mapping: 409 Conflict

  • OUT_OF_RANGE: The operation was attempted past the valid range. E.g., seeking or reading past end-of-file.

    Unlike INVALID_ARGUMENT, this error indicates a problem that may be fixed if the system state changes. For example, a 32-bit file system will generate INVALID_ARGUMENT if asked to read at an offset that is not in the range [0,2^32-1], but it will generate OUT_OF_RANGE if asked to read from an offset past the current file size.

    There is a fair bit of overlap between FAILED_PRECONDITION and OUT_OF_RANGE. We recommend using OUT_OF_RANGE (the more specific error) when it applies so that callers who are iterating through a space can easily look for an OUT_OF_RANGE error to detect when they are done.

    HTTP Mapping: 400 Bad Request

  • UNIMPLEMENTED: The operation is not implemented or is not supported/enabled in this service.

    HTTP Mapping: 501 Not Implemented

  • INTERNAL: Internal errors. This means that some invariants expected by the underlying system have been broken. This error code is reserved for serious errors.

    HTTP Mapping: 500 Internal Server Error

  • UNAVAILABLE: The service is currently unavailable. This is most likely a transient condition, which can be corrected by retrying with a backoff.

    See the guidelines above for deciding between FAILED_PRECONDITION, ABORTED, and UNAVAILABLE.

    HTTP Mapping: 503 Service Unavailable

  • DATA_LOSS: Unrecoverable data loss or corruption.

    HTTP Mapping: 500 Internal Server Error
logOptions.
discardRules[].
discardPercent		 integer (int64)

Percent of logs to be discarded: 0 - keep all, 100 or unset - discard all

Acceptable values are 0 to 100, inclusive.
logOptions.
disable		 boolean (boolean)

Do not send logs to Cloud Logging log group.
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