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hostname_enricher.go
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hostname_enricher.go
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package policy
import (
gwpav1alpha1 "github.com/flomesh-io/fsm/pkg/apis/policyattachment/v1alpha1"
"github.com/flomesh-io/fsm/pkg/gateway/fgw"
"github.com/flomesh-io/fsm/pkg/gateway/policy/utils/accesscontrol"
"github.com/flomesh-io/fsm/pkg/gateway/policy/utils/faultinjection"
"github.com/flomesh-io/fsm/pkg/gateway/policy/utils/ratelimit"
)
type HostnamePolicyEnricher interface {
Enrich(hostname string, r fgw.L7RouteRuleSpec)
}
// ---
// RateLimitHostnameEnricher is an enricher for rate limit policies at the hostname level
type RateLimitHostnameEnricher struct {
Data []gwpav1alpha1.RateLimitPolicy
}
func (e *RateLimitHostnameEnricher) Enrich(hostname string, r fgw.L7RouteRuleSpec) {
if len(e.Data) == 0 {
return
}
for _, rateLimit := range e.Data {
if rl := ratelimit.GetRateLimitIfRouteHostnameMatchesPolicy(hostname, rateLimit); rl != nil && r.GetRateLimit() == nil {
r.SetRateLimit(newRateLimitConfig(rl))
break
}
}
}
// ---
// AccessControlHostnameEnricher is an enricher for access control policies at the hostname level
type AccessControlHostnameEnricher struct {
Data []gwpav1alpha1.AccessControlPolicy
}
func (e *AccessControlHostnameEnricher) Enrich(hostname string, r fgw.L7RouteRuleSpec) {
if len(e.Data) == 0 {
return
}
for _, ac := range e.Data {
if cfg := accesscontrol.GetAccessControlConfigIfRouteHostnameMatchesPolicy(hostname, ac); cfg != nil && r.GetAccessControlLists() == nil {
r.SetAccessControlLists(newAccessControlLists(cfg))
break
}
}
}
// ---
// FaultInjectionHostnameEnricher is an enricher for fault injection policies at the hostname level
type FaultInjectionHostnameEnricher struct {
Data []gwpav1alpha1.FaultInjectionPolicy
}
func (e *FaultInjectionHostnameEnricher) Enrich(hostname string, r fgw.L7RouteRuleSpec) {
if len(e.Data) == 0 {
return
}
for _, fj := range e.Data {
if cfg := faultinjection.GetFaultInjectionConfigIfRouteHostnameMatchesPolicy(hostname, fj); cfg != nil && r.GetFaultInjection() == nil {
r.SetFaultInjection(newFaultInjection(cfg))
break
}
}
}