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originmarker.go
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/
originmarker.go
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package builtin
import (
"time"
"github.com/zalando/skipper/eskip"
"github.com/zalando/skipper/filters"
)
const (
// Deprecated, use filters.OriginMarkerName instead
OriginMarkerName = filters.OriginMarkerName
)
type originMarkerSpec struct{}
// OriginMarker carries information about the origin of a route
type OriginMarker struct {
// the type of origin, e.g. ingress
Origin string `json:"origin"`
// the unique ID (within the origin) of the source object (e.g. ingress) that created the route
Id string `json:"id"`
// when the source object was created
Created time.Time `json:"created"`
}
// NewOriginMarkerSpec creates a filter specification whose instances
// mark the origin an eskip.Route
func NewOriginMarkerSpec() filters.Spec {
return &originMarkerSpec{}
}
func NewOriginMarker(origin string, id string, created time.Time) *eskip.Filter {
return &eskip.Filter{
Name: filters.OriginMarkerName,
Args: []interface{}{origin, id, created},
}
}
func (s *originMarkerSpec) Name() string { return filters.OriginMarkerName }
func (s *originMarkerSpec) CreateFilter(args []interface{}) (filters.Filter, error) {
if len(args) != 3 {
return nil, filters.ErrInvalidFilterParameters
}
f := &OriginMarker{}
if value, ok := args[0].(string); ok {
f.Origin = value
} else {
return nil, filters.ErrInvalidFilterParameters
}
if value, ok := args[1].(string); ok {
f.Id = value
} else {
return nil, filters.ErrInvalidFilterParameters
}
switch created := args[2].(type) {
case time.Time:
f.Created = created
case string:
if value, err := time.Parse(time.RFC3339, created); err == nil {
f.Created = value
} else {
return nil, filters.ErrInvalidFilterParameters
}
default:
return nil, filters.ErrInvalidFilterParameters
}
return f, nil
}
func (m OriginMarker) Request(filters.FilterContext) {}
func (m OriginMarker) Response(filters.FilterContext) {}