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Add passive health checks

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Nelson Isioma 2025-08-21 10:40:06 +01:00 • committed by GitHub
parent c20802b07e
commit fc0fac8543
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20 changed files with 696 additions and 6 deletions
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24
pkg/config/dynamic/http_config.go
View file

@ -244,10 +244,12 @@ type ServersLoadBalancer struct {
// children servers of this load-balancer. To propagate status changes (e.g. all
// servers of this service are down) upwards, HealthCheck must also be enabled on
// the parent(s) of this service.
HealthCheck *ServerHealthCheck `json:"healthCheck,omitempty" toml:"healthCheck,omitempty" yaml:"healthCheck,omitempty" export:"true"`
PassHostHeader *bool `json:"passHostHeader" toml:"passHostHeader" yaml:"passHostHeader" export:"true"`
ResponseForwarding *ResponseForwarding `json:"responseForwarding,omitempty" toml:"responseForwarding,omitempty" yaml:"responseForwarding,omitempty" export:"true"`
ServersTransport string `json:"serversTransport,omitempty" toml:"serversTransport,omitempty" yaml:"serversTransport,omitempty" export:"true"`
HealthCheck *ServerHealthCheck `json:"healthCheck,omitempty" toml:"healthCheck,omitempty" yaml:"healthCheck,omitempty" export:"true"`
// PassiveHealthCheck enables passive health checks for children servers of this load-balancer.
PassiveHealthCheck *PassiveServerHealthCheck `json:"passiveHealthCheck,omitempty" toml:"passiveHealthCheck,omitempty" yaml:"passiveHealthCheck,omitempty" export:"true"`
PassHostHeader *bool `json:"passHostHeader" toml:"passHostHeader" yaml:"passHostHeader" export:"true"`
ResponseForwarding *ResponseForwarding `json:"responseForwarding,omitempty" toml:"responseForwarding,omitempty" yaml:"responseForwarding,omitempty" export:"true"`
ServersTransport string `json:"serversTransport,omitempty" toml:"serversTransport,omitempty" yaml:"serversTransport,omitempty" export:"true"`
}
// Mergeable tells if the given service is mergeable.
@ -336,6 +338,20 @@ func (h *ServerHealthCheck) SetDefaults() {
// +k8s:deepcopy-gen=true
type PassiveServerHealthCheck struct {
// FailureWindow defines the time window during which the failed attempts must occur for the server to be marked as unhealthy. It also defines for how long the server will be considered unhealthy.
FailureWindow ptypes.Duration `json:"failureWindow,omitempty" toml:"failureWindow,omitempty" yaml:"failureWindow,omitempty" export:"true"`
// MaxFailedAttempts is the number of consecutive failed attempts allowed within the failure window before marking the server as unhealthy.
MaxFailedAttempts int `json:"maxFailedAttempts,omitempty" toml:"maxFailedAttempts,omitempty" yaml:"maxFailedAttempts,omitempty" export:"true"`
}
func (p *PassiveServerHealthCheck) SetDefaults() {
p.FailureWindow = ptypes.Duration(10 * time.Second)
p.MaxFailedAttempts = 1
}
// +k8s:deepcopy-gen=true
// HealthCheck controls healthcheck awareness and propagation at the services level.
type HealthCheck struct{}

21
pkg/config/dynamic/zz_generated.deepcopy.go
View file

@ -1071,6 +1071,22 @@ func (in *PassTLSClientCert) DeepCopy() *PassTLSClientCert {
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *PassiveServerHealthCheck) DeepCopyInto(out *PassiveServerHealthCheck) {
*out = *in
return
}
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new PassiveServerHealthCheck.
func (in *PassiveServerHealthCheck) DeepCopy() *PassiveServerHealthCheck {
if in == nil {
return nil
}
out := new(PassiveServerHealthCheck)
in.DeepCopyInto(out)
return out
}
// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
func (in *ProxyProtocol) DeepCopyInto(out *ProxyProtocol) {
*out = *in
@ -1478,6 +1494,11 @@ func (in *ServersLoadBalancer) DeepCopyInto(out *ServersLoadBalancer) {
*out = new(ServerHealthCheck)
(*in).DeepCopyInto(*out)
}
if in.PassiveHealthCheck != nil {
in, out := &in.PassiveHealthCheck, &out.PassiveHealthCheck
*out = new(PassiveServerHealthCheck)
**out = **in
}
if in.PassHostHeader != nil {
in, out := &in.PassHostHeader, &out.PassHostHeader
*out = new(bool)