// ParseAnnotations parses the annotations contained in the ingress
// rule used to configure upstream check parameters
func ParseAnnotations(cfg defaults.Backend, ing *extensions.Ingress) *Configuration {
if ing == nil || ing.GetAnnotations() == nil {
return &Configuration{
cfg.ProxyConnectTimeout,
cfg.ProxySendTimeout,
cfg.ProxyReadTimeout,
cfg.ProxyBufferSize,
}
}
ct, err := parser.GetIntAnnotation(connect, ing)
if err != nil {
ct = cfg.ProxyConnectTimeout
}
st, err := parser.GetIntAnnotation(send, ing)
if err != nil {
st = cfg.ProxySendTimeout
}
rt, err := parser.GetIntAnnotation(read, ing)
if err != nil {
rt = cfg.ProxyReadTimeout
}
bs, err := parser.GetStringAnnotation(bufferSize, ing)
if err != nil || bs == "" {
bs = cfg.ProxyBufferSize
}
return &Configuration{ct, st, rt, bs}
}
// ParseAnnotations parses the annotations contained in the ingress
// rule used to rewrite the defined paths
func ParseAnnotations(ing *extensions.Ingress) (*RateLimit, error) {
if ing.GetAnnotations() == nil {
return &RateLimit{}, parser.ErrMissingAnnotations
}
rps, _ := parser.GetIntAnnotation(limitRPS, ing)
conn, _ := parser.GetIntAnnotation(limitIP, ing)
if rps == 0 && conn == 0 {
return &RateLimit{
Connections: Zone{},
RPS: Zone{},
}, ErrInvalidRateLimit
}
zoneName := fmt.Sprintf("%v_%v", ing.GetNamespace(), ing.GetName())
return &RateLimit{
Connections: Zone{
Name: fmt.Sprintf("%v_conn", zoneName),
Limit: conn,
Burst: conn * defBurst,
SharedSize: defSharedSize,
},
RPS: Zone{
Name: fmt.Sprintf("%v_rps", zoneName),
Limit: rps,
Burst: conn * defBurst,
SharedSize: defSharedSize,
},
}, nil
}