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Load Balancers

Load Balancers

Create a New Load Balancer
post/v2/load_balancers
Delete a Load Balancer
delete/v2/load_balancers/{lb_id}
Delete a Global Load Balancer CDN Cache
delete/v2/load_balancers/{lb_id}/cache
List All Load Balancers
get/v2/load_balancers
Retrieve an Existing Load Balancer
get/v2/load_balancers/{lb_id}
Update a Load Balancer
put/v2/load_balancers/{lb_id}
ModelsExpand Collapse
Domains = object { certificate_id, is_managed, name }

An object specifying domain configurations for a Global load balancer.

certificate_id: optional string

The ID of the TLS certificate used for SSL termination.

is_managed: optional boolean

A boolean value indicating if the domain is already managed by DigitalOcean. If true, all A and AAAA records required to enable Global load balancers will be automatically added.

name: optional string

FQDN to associate with a Global load balancer.

ForwardingRule = object { entry_port, entry_protocol, target_port, 3 more }

An object specifying a forwarding rule for a load balancer.

entry_port: number

An integer representing the port on which the load balancer instance will listen.

entry_protocol: "http" or "https" or "http2" or 3 more

The protocol used for traffic to the load balancer. The possible values are: http, https, http2, http3, tcp, or udp. If you set the entry_protocol to udp, the target_protocol must be set to udp. When using UDP, the load balancer requires that you set up a health check with a port that uses TCP, HTTP, or HTTPS to work properly.

Accepts one of the following:
"http"
"https"
"http2"
"http3"
"tcp"
"udp"
target_port: number

An integer representing the port on the backend Droplets to which the load balancer will send traffic.

target_protocol: "http" or "https" or "http2" or 2 more

The protocol used for traffic from the load balancer to the backend Droplets. The possible values are: http, https, http2, tcp, or udp. If you set the target_protocol to udp, the entry_protocol must be set to udp. When using UDP, the load balancer requires that you set up a health check with a port that uses TCP, HTTP, or HTTPS to work properly.

Accepts one of the following:
"http"
"https"
"http2"
"tcp"
"udp"
certificate_id: optional string

The ID of the TLS certificate used for SSL termination if enabled.

tls_passthrough: optional boolean

A boolean value indicating whether SSL encrypted traffic will be passed through to the backend Droplets.

GlbSettings = object { cdn, failover_threshold, region_priorities, 2 more }

An object specifying forwarding configurations for a Global load balancer.

cdn: optional object { is_enabled }

An object specifying CDN configurations for a Global load balancer.

is_enabled: optional boolean

A boolean flag to enable CDN caching.

failover_threshold: optional number

An integer value as a percentage to indicate failure threshold to decide how the regional priorities will take effect. A value of 50 would indicate that the Global load balancer will choose a lower priority region to forward traffic to once this failure threshold has been reached for the higher priority region.

region_priorities: optional map[number]

A map of region string to an integer priority value indicating preference for which regional target a Global load balancer will forward traffic to. A lower value indicates a higher priority.

target_port: optional number

An integer representing the port on the target backends which the load balancer will forward traffic to.

target_protocol: optional "http" or "https" or "http2"

The protocol used for forwarding traffic from the load balancer to the target backends. The possible values are http, https and http2.

Accepts one of the following:
"http"
"https"
"http2"
HealthCheck = object { check_interval_seconds, healthy_threshold, path, 4 more }

An object specifying health check settings for the load balancer.

check_interval_seconds: optional number

The number of seconds between between two consecutive health checks.

healthy_threshold: optional number

The number of times a health check must pass for a backend Droplet to be marked "healthy" and be re-added to the pool.

path: optional string

The path on the backend Droplets to which the load balancer instance will send a request.

port: optional number

An integer representing the port on the backend Droplets on which the health check will attempt a connection.

protocol: optional "http" or "https" or "tcp"

The protocol used for health checks sent to the backend Droplets. The possible values are http, https, or tcp.

Accepts one of the following:
"http"
"https"
"tcp"
response_timeout_seconds: optional number

The number of seconds the load balancer instance will wait for a response until marking a health check as failed.

unhealthy_threshold: optional number

The number of times a health check must fail for a backend Droplet to be marked "unhealthy" and be removed from the pool.

LbFirewall = object { allow, deny }

An object specifying allow and deny rules to control traffic to the load balancer.

allow: optional array of string

the rules for allowing traffic to the load balancer (in the form 'ip:1.2.3.4' or 'cidr:1.2.0.0/16')

deny: optional array of string

the rules for denying traffic to the load balancer (in the form 'ip:1.2.3.4' or 'cidr:1.2.0.0/16')

LoadBalancer = object { forwarding_rules, id, algorithm, 27 more }
forwarding_rules: array of ForwardingRule

An array of objects specifying the forwarding rules for a load balancer.

id: optional string

A unique ID that can be used to identify and reference a load balancer.

formatuuid
Deprecatedalgorithm: optional "round_robin" or "least_connections"

This field has been deprecated. You can no longer specify an algorithm for load balancers.

Accepts one of the following:
"round_robin"
"least_connections"
created_at: optional string

A time value given in ISO8601 combined date and time format that represents when the load balancer was created.

formatdate-time
disable_lets_encrypt_dns_records: optional boolean

A boolean value indicating whether to disable automatic DNS record creation for Let's Encrypt certificates that are added to the load balancer.

domains: optional array of Domains

An array of objects specifying the domain configurations for a Global load balancer.

droplet_ids: optional array of number

An array containing the IDs of the Droplets assigned to the load balancer.

enable_backend_keepalive: optional boolean

A boolean value indicating whether HTTP keepalive connections are maintained to target Droplets.

enable_proxy_protocol: optional boolean

A boolean value indicating whether PROXY Protocol is in use.

firewall: optional LbFirewall

An object specifying allow and deny rules to control traffic to the load balancer.

glb_settings: optional GlbSettings

An object specifying forwarding configurations for a Global load balancer.

health_check: optional HealthCheck

An object specifying health check settings for the load balancer.

http_idle_timeout_seconds: optional number

An integer value which configures the idle timeout for HTTP requests to the target droplets.

minimum30
maximum600
ip: optional string

An attribute containing the public-facing IP address of the load balancer.

ipv6: optional string

An attribute containing the public-facing IPv6 address of the load balancer.

name: optional string

A human-readable name for a load balancer instance.

network: optional "EXTERNAL" or "INTERNAL"

A string indicating whether the load balancer should be external or internal. Internal load balancers have no public IPs and are only accessible to resources on the same VPC network. This property cannot be updated after creating the load balancer.

Accepts one of the following:
"EXTERNAL"
"INTERNAL"
network_stack: optional "IPV4" or "DUALSTACK"

A string indicating whether the load balancer will support IPv4 or both IPv4 and IPv6 networking. This property cannot be updated after creating the load balancer.

Accepts one of the following:
"IPV4"
"DUALSTACK"
project_id: optional string

The ID of the project that the load balancer is associated with. If no ID is provided at creation, the load balancer associates with the user's default project. If an invalid project ID is provided, the load balancer will not be created.

redirect_http_to_https: optional boolean

A boolean value indicating whether HTTP requests to the load balancer on port 80 will be redirected to HTTPS on port 443.

region: optional Region

The region where the load balancer instance is located. When setting a region, the value should be the slug identifier for the region. When you query a load balancer, an entire region object will be returned.

Deprecatedsize: optional "lb-small" or "lb-medium" or "lb-large"

This field has been replaced by the size_unit field for all regions except in AMS2, NYC2, and SFO1. Each available load balancer size now equates to the load balancer having a set number of nodes.

  • lb-small = 1 node
  • lb-medium = 3 nodes
  • lb-large = 6 nodes

You can resize load balancers after creation up to once per hour. You cannot resize a load balancer within the first hour of its creation.

Accepts one of the following:
"lb-small"
"lb-medium"
"lb-large"
size_unit: optional number

How many nodes the load balancer contains. Each additional node increases the load balancer's ability to manage more connections. Load balancers can be scaled up or down, and you can change the number of nodes after creation up to once per hour. This field is currently not available in the AMS2, NYC2, or SFO1 regions. Use the size field to scale load balancers that reside in these regions.

minimum1
maximum100
status: optional "new" or "active" or "errored"

A status string indicating the current state of the load balancer. This can be new, active, or errored.

Accepts one of the following:
"new"
"active"
"errored"
sticky_sessions: optional StickySessions

An object specifying sticky sessions settings for the load balancer.

tag: optional string

The name of a Droplet tag corresponding to Droplets assigned to the load balancer.

target_load_balancer_ids: optional array of string

An array containing the UUIDs of the Regional load balancers to be used as target backends for a Global load balancer.

tls_cipher_policy: optional "DEFAULT" or "STRONG"

A string indicating the policy for the TLS cipher suites used by the load balancer. The possible values are DEFAULT or STRONG. The default value is DEFAULT.

Accepts one of the following:
"DEFAULT"
"STRONG"
type: optional "REGIONAL" or "REGIONAL_NETWORK" or "GLOBAL"

A string indicating whether the load balancer should be a standard regional HTTP load balancer, a regional network load balancer that routes traffic at the TCP/UDP transport layer, or a global load balancer.

Accepts one of the following:
"REGIONAL"
"REGIONAL_NETWORK"
"GLOBAL"
vpc_uuid: optional string

A string specifying the UUID of the VPC to which the load balancer is assigned.

formatuuid
StickySessions = object { cookie_name, cookie_ttl_seconds, type }

An object specifying sticky sessions settings for the load balancer.

The name of the cookie sent to the client. This attribute is only returned when using cookies for the sticky sessions type.

The number of seconds until the cookie set by the load balancer expires. This attribute is only returned when using cookies for the sticky sessions type.

type: optional "cookies" or "none"

An attribute indicating how and if requests from a client will be persistently served by the same backend Droplet. The possible values are cookies or none.

Accepts one of the following:
"cookies"
"none"

Load BalancersDroplets

Add Droplets to a Load Balancer
post/v2/load_balancers/{lb_id}/droplets
Remove Droplets from a Load Balancer
delete/v2/load_balancers/{lb_id}/droplets

Load BalancersForwarding Rules

Add Forwarding Rules to a Load Balancer
post/v2/load_balancers/{lb_id}/forwarding_rules
Remove Forwarding Rules from a Load Balancer
delete/v2/load_balancers/{lb_id}/forwarding_rules