// Returns the node created and its creation response
// Don't need to check for intermediate directories here as that was already done
// by the thing calling makeNode()
func (me *mockEtcd) makeNode(path []string, value string, isDir bool, ttl time.Duration) (*etcd.Node, *etcd.Response, error) {
var child *etcd.Node
var resp *etcd.Response
var ok bool
node := me.nodes["/"]
for i, part := range path {
node, ok = me.nodes[part]
if !ok {
me.index += 1
if i < len(path)-1 {
// intermediate node
child = me.newNode(part, "", true)
} else {
// Final node
exp := time.Now().Add(ttl)
child = me.newNode(part, value, isDir)
child.Expiration = &exp
resp = &etcd.Response{
Action: "create",
Node: me.copyNode(child, false),
Index: child.CreatedIndex,
}
me.sendEvent(resp)
}
me.nodes[child.Key] = child
node = child
}
}
return node, resp, nil
}
// Removes a node and all children
func (me *mockEtcd) deleteNode(node *etcd.Node, parent *etcd.Node, recursive bool) (*etcd.Response, error) {
for _, child := range me.nodes {
if isChild, directChild := isChild(node, child); isChild {
if recursive == false {
return nil, me.newError(etcd.ErrorCodeDirNotEmpty, "Key %s not empty", node.Key)
}
if directChild {
me.deleteNode(child, node, true)
me.index += 1
node.ModifiedIndex = me.index
}
}
}
me.index += 1
resp := &etcd.Response{
Action: "delete",
Node: me.copyNode(node, false),
Index: me.index,
}
me.sendEvent(resp)
delete(me.nodes, node.Key)
return resp, nil
}
// nodeToAgentAdvert takes a etcd Node representing an AgentAdvert and returns an AgentAdvert
func nodeToAgentAdvert(node *client.Node, expectedUUID string) (*defs.AgentAdvert, error) {
adv := new(defs.AgentAdvert)
// Marshal API data into object
err := json.Unmarshal([]byte(node.Value), adv)
if err != nil {
log.Error("Failed to unmarshal json into agent advertisement")
return nil, err
}
// We want to use the TTLDuration field from etcd for simplicity
adv.Expires = node.TTLDuration()
// The etcd key should always match the inner JSON
if expectedUUID != adv.Uuid {
return nil, errors.New("UUID in etcd does not match inner JSON text")
}
return adv, nil
}