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## Summary Add a new `circuit_breaker_thresholds` option: ```yaml circuit_breaker_thresholds: max_connections: 1 max_pending_requests: 2 max_requests: 3 max_retries: 4 max_connection_pools: 5 ``` This option can be set at the global level or at the route level. Each threshold is optional and when not set a default will be used. For internal clusters we will disable the circuit breaker. For normal routes we will use the envoy defaults. ## Related issues - [ENG-2310](https://linear.app/pomerium/issue/ENG-2310/add-circuit-breaker-settings-per-route) ## Checklist - [x] reference any related issues - [x] updated unit tests - [x] add appropriate label (`enhancement`, `bug`, `breaking`, `dependencies`, `ci`) - [x] ready for review
56 lines
2.1 KiB
Go
56 lines
2.1 KiB
Go
package config
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import (
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"github.com/volatiletech/null/v9"
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configpb "github.com/pomerium/pomerium/pkg/grpc/config"
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)
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// CircuitBreakerThresholds define thresholds for circuit breaking.
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type CircuitBreakerThresholds struct {
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MaxConnections null.Uint32 `mapstructure:"max_connections" yaml:"max_connections,omitempty" json:"max_connections,omitempty"`
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MaxPendingRequests null.Uint32 `mapstructure:"max_pending_requests" yaml:"max_pending_requests,omitempty" json:"max_pending_requests,omitempty"`
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MaxRequests null.Uint32 `mapstructure:"max_requests" yaml:"max_requests,omitempty" json:"max_requests,omitempty"`
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MaxRetries null.Uint32 `mapstructure:"max_retries" yaml:"max_retries,omitempty" json:"max_retries,omitempty"`
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MaxConnectionPools null.Uint32 `mapstructure:"max_connection_pools" yaml:"max_connection_pools,omitempty" json:"max_connection_pools,omitempty"`
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}
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// CircuitBreakerThresholdsFromPB converts the CircuitBreakerThresholds from a protobuf type.
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func CircuitBreakerThresholdsFromPB(src *configpb.CircuitBreakerThresholds) *CircuitBreakerThresholds {
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if src == nil {
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return nil
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}
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dst := &CircuitBreakerThresholds{}
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if src.MaxConnections != nil {
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dst.MaxConnections = null.Uint32From(*src.MaxConnections)
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}
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if src.MaxPendingRequests != nil {
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dst.MaxPendingRequests = null.Uint32From(*src.MaxPendingRequests)
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}
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if src.MaxRequests != nil {
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dst.MaxRequests = null.Uint32From(*src.MaxRequests)
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}
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if src.MaxRetries != nil {
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dst.MaxRetries = null.Uint32From(*src.MaxRetries)
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}
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if src.MaxConnectionPools != nil {
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dst.MaxConnectionPools = null.Uint32From(*src.MaxConnectionPools)
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}
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return dst
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}
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// CircuitBreakerThresholdsToPB converts the CircuitBreakerThresholds into a protobuf type.
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func CircuitBreakerThresholdsToPB(src *CircuitBreakerThresholds) *configpb.CircuitBreakerThresholds {
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if src == nil {
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return nil
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}
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return &configpb.CircuitBreakerThresholds{
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MaxConnections: src.MaxConnections.Ptr(),
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MaxPendingRequests: src.MaxPendingRequests.Ptr(),
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MaxRequests: src.MaxRequests.Ptr(),
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MaxRetries: src.MaxRetries.Ptr(),
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MaxConnectionPools: src.MaxConnectionPools.Ptr(),
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}
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}
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