45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package client
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import (
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"errors"
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"fmt"
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"time"
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)
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var (
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ErrUnavailable = errors.New("client: no available etcd endpoints")
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ErrNoLeader = errors.New("client: no leader")
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ErrKeyNoExist = errors.New("client: key does not exist")
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ErrKeyExists = errors.New("client: key already exists")
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)
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type Client interface {
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Create(key, value string, ttl time.Duration) (*Response, error)
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Get(key string) (*Response, error)
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Watch(key string, idx uint64) Watcher
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RecursiveWatch(key string, idx uint64) Watcher
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}
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type Watcher interface {
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Next() (*Response, error)
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}
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type Response struct {
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Action string `json:"action"`
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Node *Node `json:"node"`
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PrevNode *Node `json:"prevNode"`
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}
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type Nodes []*Node
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type Node struct {
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Key string `json:"key"`
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Value string `json:"value"`
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Nodes Nodes `json:"nodes"`
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ModifiedIndex uint64 `json:"modifiedIndex"`
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CreatedIndex uint64 `json:"createdIndex"`
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}
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func (n *Node) String() string {
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return fmt.Sprintf("{Key: %s, CreatedIndex: %d, ModifiedIndex: %d}", n.Key, n.CreatedIndex, n.ModifiedIndex)
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}
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