TargetGroupAttribute

aws_sdk_elasticloadbalancingv2::types

Struct TargetGroupAttribute 

Source 
#[non_exhaustive]
pub struct TargetGroupAttribute {
    pub key: Option<String>,
    pub value: Option<String>,
}
Expand description

Information about a target group attribute.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§key: Option<String>

The name of the attribute.

The following attributes are supported by all load balancers:

  • deregistration_delay.timeout_seconds - The amount of time, in seconds, for Elastic Load Balancing to wait before changing the state of a deregistering target from draining to unused. The range is 0-3600 seconds. The default value is 300 seconds. If the target is a Lambda function, this attribute is not supported.

  • stickiness.enabled - Indicates whether target stickiness is enabled. The value is true or false. The default is false.

  • stickiness.type - Indicates the type of stickiness. The possible values are:

    • lb_cookie and app_cookie for Application Load Balancers.

    • source_ip for Network Load Balancers.

    • source_ip_dest_ip and source_ip_dest_ip_proto for Gateway Load Balancers.

The following attributes are supported by Application Load Balancers and Network Load Balancers:

  • load_balancing.cross_zone.enabled - Indicates whether cross zone load balancing is enabled. The value is true, false or use_load_balancer_configuration. The default is use_load_balancer_configuration.

  • target_group_health.dns_failover.minimum_healthy_targets.count - The minimum number of targets that must be healthy. If the number of healthy targets is below this value, mark the zone as unhealthy in DNS, so that traffic is routed only to healthy zones. The possible values are off or an integer from 1 to the maximum number of targets. The default is 1.

  • target_group_health.dns_failover.minimum_healthy_targets.percentage - The minimum percentage of targets that must be healthy. If the percentage of healthy targets is below this value, mark the zone as unhealthy in DNS, so that traffic is routed only to healthy zones. The possible values are off or an integer from 1 to 100. The default is off.

  • target_group_health.unhealthy_state_routing.minimum_healthy_targets.count - The minimum number of targets that must be healthy. If the number of healthy targets is below this value, send traffic to all targets, including unhealthy targets. The possible values are 1 to the maximum number of targets. The default is 1.

  • target_group_health.unhealthy_state_routing.minimum_healthy_targets.percentage - The minimum percentage of targets that must be healthy. If the percentage of healthy targets is below this value, send traffic to all targets, including unhealthy targets. The possible values are off or an integer from 1 to 100. The default is off.

The following attributes are supported only if the load balancer is an Application Load Balancer and the target is an instance or an IP address:

  • load_balancing.algorithm.type - The load balancing algorithm determines how the load balancer selects targets when routing requests. The value is round_robin, least_outstanding_requests, or weighted_random. The default is round_robin.

  • load_balancing.algorithm.anomaly_mitigation - Only available when load_balancing.algorithm.type is weighted_random. Indicates whether anomaly mitigation is enabled. The value is on or off. The default is off.

  • slow_start.duration_seconds - The time period, in seconds, during which a newly registered target receives an increasing share of the traffic to the target group. After this time period ends, the target receives its full share of traffic. The range is 30-900 seconds (15 minutes). The default is 0 seconds (disabled).

  • stickiness.app_cookie.cookie_name - Indicates the name of the application-based cookie. Names that start with the following prefixes are not allowed: AWSALB, AWSALBAPP, and AWSALBTG; they're reserved for use by the load balancer.

  • stickiness.app_cookie.duration_seconds - The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the application-based cookie is considered stale. The range is 1 second to 1 week (604800 seconds). The default value is 1 day (86400 seconds).

  • stickiness.lb_cookie.duration_seconds - The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load balancer-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds). The default value is 1 day (86400 seconds).

The following attribute is supported only if the load balancer is an Application Load Balancer and the target is a Lambda function:

  • lambda.multi_value_headers.enabled - Indicates whether the request and response headers that are exchanged between the load balancer and the Lambda function include arrays of values or strings. The value is true or false. The default is false. If the value is false and the request contains a duplicate header field name or query parameter key, the load balancer uses the last value sent by the client.

The following attributes are supported only by Network Load Balancers:

  • deregistration_delay.connection_termination.enabled - Indicates whether the load balancer terminates connections at the end of the deregistration timeout. The value is true or false. For new UDP/TCP_UDP target groups the default is true. Otherwise, the default is false.

  • preserve_client_ip.enabled - Indicates whether client IP preservation is enabled. The value is true or false. The default is disabled if the target group type is IP address and the target group protocol is TCP or TLS. Otherwise, the default is enabled. Client IP preservation can't be disabled for UDP and TCP_UDP target groups.

  • proxy_protocol_v2.enabled - Indicates whether Proxy Protocol version 2 is enabled. The value is true or false. The default is false.

  • target_health_state.unhealthy.connection_termination.enabled - Indicates whether the load balancer terminates connections to unhealthy targets. The value is true or false. The default is true. This attribute can't be enabled for UDP and TCP_UDP target groups.

  • target_health_state.unhealthy.draining_interval_seconds - The amount of time for Elastic Load Balancing to wait before changing the state of an unhealthy target from unhealthy.draining to unhealthy. The range is 0-360000 seconds. The default value is 0 seconds.

    Note: This attribute can only be configured when target_health_state.unhealthy.connection_termination.enabled is false.

The following attributes are supported only by Gateway Load Balancers:

  • target_failover.on_deregistration - Indicates how the Gateway Load Balancer handles existing flows when a target is deregistered. The possible values are rebalance and no_rebalance. The default is no_rebalance. The two attributes (target_failover.on_deregistration and target_failover.on_unhealthy) can't be set independently. The value you set for both attributes must be the same.

  • target_failover.on_unhealthy - Indicates how the Gateway Load Balancer handles existing flows when a target is unhealthy. The possible values are rebalance and no_rebalance. The default is no_rebalance. The two attributes (target_failover.on_deregistration and target_failover.on_unhealthy) can't be set independently. The value you set for both attributes must be the same.

§value: Option<String>

The value of the attribute.

Implementations§

Source§

impl TargetGroupAttribute

Source

pub fn key(&self) -> Option<&str>

The name of the attribute.

The following attributes are supported by all load balancers:

  • deregistration_delay.timeout_seconds - The amount of time, in seconds, for Elastic Load Balancing to wait before changing the state of a deregistering target from draining to unused. The range is 0-3600 seconds. The default value is 300 seconds. If the target is a Lambda function, this attribute is not supported.

  • stickiness.enabled - Indicates whether target stickiness is enabled. The value is true or false. The default is false.

  • stickiness.type - Indicates the type of stickiness. The possible values are:

    • lb_cookie and app_cookie for Application Load Balancers.

    • source_ip for Network Load Balancers.

    • source_ip_dest_ip and source_ip_dest_ip_proto for Gateway Load Balancers.

The following attributes are supported by Application Load Balancers and Network Load Balancers:

  • load_balancing.cross_zone.enabled - Indicates whether cross zone load balancing is enabled. The value is true, false or use_load_balancer_configuration. The default is use_load_balancer_configuration.

  • target_group_health.dns_failover.minimum_healthy_targets.count - The minimum number of targets that must be healthy. If the number of healthy targets is below this value, mark the zone as unhealthy in DNS, so that traffic is routed only to healthy zones. The possible values are off or an integer from 1 to the maximum number of targets. The default is 1.

  • target_group_health.dns_failover.minimum_healthy_targets.percentage - The minimum percentage of targets that must be healthy. If the percentage of healthy targets is below this value, mark the zone as unhealthy in DNS, so that traffic is routed only to healthy zones. The possible values are off or an integer from 1 to 100. The default is off.

  • target_group_health.unhealthy_state_routing.minimum_healthy_targets.count - The minimum number of targets that must be healthy. If the number of healthy targets is below this value, send traffic to all targets, including unhealthy targets. The possible values are 1 to the maximum number of targets. The default is 1.

  • target_group_health.unhealthy_state_routing.minimum_healthy_targets.percentage - The minimum percentage of targets that must be healthy. If the percentage of healthy targets is below this value, send traffic to all targets, including unhealthy targets. The possible values are off or an integer from 1 to 100. The default is off.

The following attributes are supported only if the load balancer is an Application Load Balancer and the target is an instance or an IP address:

  • load_balancing.algorithm.type - The load balancing algorithm determines how the load balancer selects targets when routing requests. The value is round_robin, least_outstanding_requests, or weighted_random. The default is round_robin.

  • load_balancing.algorithm.anomaly_mitigation - Only available when load_balancing.algorithm.type is weighted_random. Indicates whether anomaly mitigation is enabled. The value is on or off. The default is off.

  • slow_start.duration_seconds - The time period, in seconds, during which a newly registered target receives an increasing share of the traffic to the target group. After this time period ends, the target receives its full share of traffic. The range is 30-900 seconds (15 minutes). The default is 0 seconds (disabled).

  • stickiness.app_cookie.cookie_name - Indicates the name of the application-based cookie. Names that start with the following prefixes are not allowed: AWSALB, AWSALBAPP, and AWSALBTG; they're reserved for use by the load balancer.

  • stickiness.app_cookie.duration_seconds - The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the application-based cookie is considered stale. The range is 1 second to 1 week (604800 seconds). The default value is 1 day (86400 seconds).

  • stickiness.lb_cookie.duration_seconds - The time period, in seconds, during which requests from a client should be routed to the same target. After this time period expires, the load balancer-generated cookie is considered stale. The range is 1 second to 1 week (604800 seconds). The default value is 1 day (86400 seconds).

The following attribute is supported only if the load balancer is an Application Load Balancer and the target is a Lambda function:

  • lambda.multi_value_headers.enabled - Indicates whether the request and response headers that are exchanged between the load balancer and the Lambda function include arrays of values or strings. The value is true or false. The default is false. If the value is false and the request contains a duplicate header field name or query parameter key, the load balancer uses the last value sent by the client.

The following attributes are supported only by Network Load Balancers:

  • deregistration_delay.connection_termination.enabled - Indicates whether the load balancer terminates connections at the end of the deregistration timeout. The value is true or false. For new UDP/TCP_UDP target groups the default is true. Otherwise, the default is false.

  • preserve_client_ip.enabled - Indicates whether client IP preservation is enabled. The value is true or false. The default is disabled if the target group type is IP address and the target group protocol is TCP or TLS. Otherwise, the default is enabled. Client IP preservation can't be disabled for UDP and TCP_UDP target groups.

  • proxy_protocol_v2.enabled - Indicates whether Proxy Protocol version 2 is enabled. The value is true or false. The default is false.

  • target_health_state.unhealthy.connection_termination.enabled - Indicates whether the load balancer terminates connections to unhealthy targets. The value is true or false. The default is true. This attribute can't be enabled for UDP and TCP_UDP target groups.

  • target_health_state.unhealthy.draining_interval_seconds - The amount of time for Elastic Load Balancing to wait before changing the state of an unhealthy target from unhealthy.draining to unhealthy. The range is 0-360000 seconds. The default value is 0 seconds.

    Note: This attribute can only be configured when target_health_state.unhealthy.connection_termination.enabled is false.

The following attributes are supported only by Gateway Load Balancers:

  • target_failover.on_deregistration - Indicates how the Gateway Load Balancer handles existing flows when a target is deregistered. The possible values are rebalance and no_rebalance. The default is no_rebalance. The two attributes (target_failover.on_deregistration and target_failover.on_unhealthy) can't be set independently. The value you set for both attributes must be the same.

  • target_failover.on_unhealthy - Indicates how the Gateway Load Balancer handles existing flows when a target is unhealthy. The possible values are rebalance and no_rebalance. The default is no_rebalance. The two attributes (target_failover.on_deregistration and target_failover.on_unhealthy) can't be set independently. The value you set for both attributes must be the same.

Source

pub fn value(&self) -> Option<&str>

The value of the attribute.

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impl TargetGroupAttribute

Source

pub fn builder() -> TargetGroupAttributeBuilder

Creates a new builder-style object to manufacture TargetGroupAttribute.

Trait Implementations§

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impl Clone for TargetGroupAttribute

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fn clone(&self) -> TargetGroupAttribute

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for TargetGroupAttribute

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl PartialEq for TargetGroupAttribute

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fn eq(&self, other: &TargetGroupAttribute) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for TargetGroupAttribute

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Enable styling painted only when both stdout and stderr are TTYs:

use yansi::{Paint, Condition};

painted.red().on_yellow().whenever(Condition::STDOUTERR_ARE_TTY);
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fn new(self) -> Painted<Self>
where Self: Sized,

Create a new Painted with a default Style. Read more
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fn paint<S>(&self, style: S) -> Painted<&Self>
where S: Into<Style>,

Apply a style wholesale to self. Any previous style is replaced. Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,