mirror of https://github.com/docker/cli.git
109 lines
3.0 KiB
Go
109 lines
3.0 KiB
Go
package api
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/docker/go-events"
|
|
)
|
|
|
|
var (
|
|
errUnknownStoreAction = errors.New("unrecognized action type")
|
|
errConflictingFilters = errors.New("conflicting filters specified")
|
|
errNoKindSpecified = errors.New("no kind of object specified")
|
|
errUnrecognizedAction = errors.New("unrecognized action")
|
|
)
|
|
|
|
// StoreObject is an abstract object that can be handled by the store.
|
|
type StoreObject interface {
|
|
GetID() string // Get ID
|
|
GetMeta() Meta // Retrieve metadata
|
|
SetMeta(Meta) // Set metadata
|
|
CopyStoreObject() StoreObject // Return a copy of this object
|
|
EventCreate() Event // Return a creation event
|
|
EventUpdate(oldObject StoreObject) Event // Return an update event
|
|
EventDelete() Event // Return a deletion event
|
|
}
|
|
|
|
// Event is the type used for events passed over watcher channels, and also
|
|
// the type used to specify filtering in calls to Watch.
|
|
type Event interface {
|
|
// TODO(stevvooe): Consider whether it makes sense to squish both the
|
|
// matcher type and the primary type into the same type. It might be better
|
|
// to build a matcher from an event prototype.
|
|
|
|
// Matches checks if this item in a watch queue Matches the event
|
|
// description.
|
|
Matches(events.Event) bool
|
|
}
|
|
|
|
func customIndexer(kind string, annotations *Annotations) (bool, [][]byte, error) {
|
|
var converted [][]byte
|
|
|
|
for _, entry := range annotations.Indices {
|
|
index := make([]byte, 0, len(kind)+1+len(entry.Key)+1+len(entry.Val)+1)
|
|
if kind != "" {
|
|
index = append(index, []byte(kind)...)
|
|
index = append(index, '|')
|
|
}
|
|
index = append(index, []byte(entry.Key)...)
|
|
index = append(index, '|')
|
|
index = append(index, []byte(entry.Val)...)
|
|
index = append(index, '\x00')
|
|
converted = append(converted, index)
|
|
}
|
|
|
|
// Add the null character as a terminator
|
|
return len(converted) != 0, converted, nil
|
|
}
|
|
|
|
func fromArgs(args ...interface{}) ([]byte, error) {
|
|
if len(args) != 1 {
|
|
return nil, fmt.Errorf("must provide only a single argument")
|
|
}
|
|
arg, ok := args[0].(string)
|
|
if !ok {
|
|
return nil, fmt.Errorf("argument must be a string: %#v", args[0])
|
|
}
|
|
// Add the null character as a terminator
|
|
arg += "\x00"
|
|
return []byte(arg), nil
|
|
}
|
|
|
|
func prefixFromArgs(args ...interface{}) ([]byte, error) {
|
|
val, err := fromArgs(args...)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Strip the null terminator, the rest is a prefix
|
|
n := len(val)
|
|
if n > 0 {
|
|
return val[:n-1], nil
|
|
}
|
|
return val, nil
|
|
}
|
|
|
|
func checkCustom(a1, a2 Annotations) bool {
|
|
if len(a1.Indices) == 1 {
|
|
for _, ind := range a2.Indices {
|
|
if ind.Key == a1.Indices[0].Key && ind.Val == a1.Indices[0].Val {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|
|
|
|
func checkCustomPrefix(a1, a2 Annotations) bool {
|
|
if len(a1.Indices) == 1 {
|
|
for _, ind := range a2.Indices {
|
|
if ind.Key == a1.Indices[0].Key && strings.HasPrefix(ind.Val, a1.Indices[0].Val) {
|
|
return true
|
|
}
|
|
}
|
|
}
|
|
return false
|
|
}
|