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healthcheck: add support at the load-balancers of services level

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Co-authored-by: Dmitry Sharshakov <d3dx12.xx@gmail.com>
Co-authored-by: Julien Salleyron <julien.salleyron@gmail.com>
Co-authored-by: Jean-Baptiste Doumenjou <925513+jbdoumenjou@users.noreply.github.com>
Co-authored-by: Romain <rtribotte@users.noreply.github.com>
Co-authored-by: Tom Moulard <tom.moulard@traefik.io>
This commit is contained in:
mpl 2021-06-25 21:08:11 +02:00 • committed by GitHub
parent 5e3e47b484
commit 838a8e18d3
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GPG key ID: 4AEE18F83AFDEB23
28 changed files with 1196 additions and 120 deletions
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28
pkg/config/dynamic/http_config.go
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@ -65,6 +65,7 @@ type Mirroring struct {
Service string `json:"service,omitempty" toml:"service,omitempty" yaml:"service,omitempty" export:"true"`
MaxBodySize *int64 `json:"maxBodySize,omitempty" toml:"maxBodySize,omitempty" yaml:"maxBodySize,omitempty" export:"true"`
Mirrors []MirrorService `json:"mirrors,omitempty" toml:"mirrors,omitempty" yaml:"mirrors,omitempty" export:"true"`
HealthCheck *HealthCheck `json:"healthCheck,omitempty" toml:"healthCheck,omitempty" yaml:"healthCheck,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
}
// SetDefaults Default values for a WRRService.
@ -87,6 +88,12 @@ type MirrorService struct {
type WeightedRoundRobin struct {
Services []WRRService `json:"services,omitempty" toml:"services,omitempty" yaml:"services,omitempty" export:"true"`
Sticky *Sticky `json:"sticky,omitempty" toml:"sticky,omitempty" yaml:"sticky,omitempty" export:"true"`
// HealthCheck enables automatic self-healthcheck for this service, i.e.
// whenever one of its children is reported as down, this service becomes aware of it,
// and takes it into account (i.e. it ignores the down child) when running the
// load-balancing algorithm. In addition, if the parent of this service also has
// HealthCheck enabled, this service reports to its parent any status change.
HealthCheck *HealthCheck `json:"healthCheck,omitempty" toml:"healthCheck,omitempty" yaml:"healthCheck,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
}
// +k8s:deepcopy-gen=true
@ -124,9 +131,13 @@ type Cookie struct {
// ServersLoadBalancer holds the ServersLoadBalancer configuration.
type ServersLoadBalancer struct {
Sticky *Sticky `json:"sticky,omitempty" toml:"sticky,omitempty" yaml:"sticky,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Servers []Server `json:"servers,omitempty" toml:"servers,omitempty" yaml:"servers,omitempty" label-slice-as-struct:"server" export:"true"`
HealthCheck *HealthCheck `json:"healthCheck,omitempty" toml:"healthCheck,omitempty" yaml:"healthCheck,omitempty" export:"true"`
Sticky *Sticky `json:"sticky,omitempty" toml:"sticky,omitempty" yaml:"sticky,omitempty" label:"allowEmpty" file:"allowEmpty" export:"true"`
Servers []Server `json:"servers,omitempty" toml:"servers,omitempty" yaml:"servers,omitempty" label-slice-as-struct:"server" export:"true"`
// HealthCheck enables regular active checks of the responsiveness of the
// 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"`
@ -178,8 +189,8 @@ func (s *Server) SetDefaults() {
// +k8s:deepcopy-gen=true
// HealthCheck holds the HealthCheck configuration.
type HealthCheck struct {
// ServerHealthCheck holds the HealthCheck configuration.
type ServerHealthCheck struct {
Scheme string `json:"scheme,omitempty" toml:"scheme,omitempty" yaml:"scheme,omitempty" export:"true"`
Path string `json:"path,omitempty" toml:"path,omitempty" yaml:"path,omitempty" export:"true"`
Port int `json:"port,omitempty" toml:"port,omitempty,omitzero" yaml:"port,omitempty" export:"true"`
@ -193,13 +204,18 @@ type HealthCheck struct {
}
// SetDefaults Default values for a HealthCheck.
func (h *HealthCheck) SetDefaults() {
func (h *ServerHealthCheck) SetDefaults() {
fr := true
h.FollowRedirects = &fr
}
// +k8s:deepcopy-gen=true
// HealthCheck controls healthcheck awareness and propagation at the services level.
type HealthCheck struct{}
// +k8s:deepcopy-gen=true
// ServersTransport options to configure communication between Traefik and the servers.
type ServersTransport struct {
ServerName string `description:"ServerName used to contact the server" json:"serverName,omitempty" toml:"serverName,omitempty" yaml:"serverName,omitempty"`