diff options
Diffstat (limited to 'vendor/github.com/armon/consul-api/session.go')
-rw-r--r-- | vendor/github.com/armon/consul-api/session.go | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/vendor/github.com/armon/consul-api/session.go b/vendor/github.com/armon/consul-api/session.go new file mode 100644 index 00000000..4fbfc5ee --- /dev/null +++ b/vendor/github.com/armon/consul-api/session.go @@ -0,0 +1,204 @@ +package consulapi + +import ( + "time" +) + +// SessionEntry represents a session in consul +type SessionEntry struct { + CreateIndex uint64 + ID string + Name string + Node string + Checks []string + LockDelay time.Duration + Behavior string + TTL string +} + +// Session can be used to query the Session endpoints +type Session struct { + c *Client +} + +// Session returns a handle to the session endpoints +func (c *Client) Session() *Session { + return &Session{c} +} + +// CreateNoChecks is like Create but is used specifically to create +// a session with no associated health checks. +func (s *Session) CreateNoChecks(se *SessionEntry, q *WriteOptions) (string, *WriteMeta, error) { + body := make(map[string]interface{}) + body["Checks"] = []string{} + if se != nil { + if se.Name != "" { + body["Name"] = se.Name + } + if se.Node != "" { + body["Node"] = se.Node + } + if se.LockDelay != 0 { + body["LockDelay"] = durToMsec(se.LockDelay) + } + if se.Behavior != "" { + body["Behavior"] = se.Behavior + } + if se.TTL != "" { + body["TTL"] = se.TTL + } + } + return s.create(body, q) + +} + +// Create makes a new session. Providing a session entry can +// customize the session. It can also be nil to use defaults. +func (s *Session) Create(se *SessionEntry, q *WriteOptions) (string, *WriteMeta, error) { + var obj interface{} + if se != nil { + body := make(map[string]interface{}) + obj = body + if se.Name != "" { + body["Name"] = se.Name + } + if se.Node != "" { + body["Node"] = se.Node + } + if se.LockDelay != 0 { + body["LockDelay"] = durToMsec(se.LockDelay) + } + if len(se.Checks) > 0 { + body["Checks"] = se.Checks + } + if se.Behavior != "" { + body["Behavior"] = se.Behavior + } + if se.TTL != "" { + body["TTL"] = se.TTL + } + } + return s.create(obj, q) +} + +func (s *Session) create(obj interface{}, q *WriteOptions) (string, *WriteMeta, error) { + r := s.c.newRequest("PUT", "/v1/session/create") + r.setWriteOptions(q) + r.obj = obj + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return "", nil, err + } + defer resp.Body.Close() + + wm := &WriteMeta{RequestTime: rtt} + var out struct{ ID string } + if err := decodeBody(resp, &out); err != nil { + return "", nil, err + } + return out.ID, wm, nil +} + +// Destroy invalides a given session +func (s *Session) Destroy(id string, q *WriteOptions) (*WriteMeta, error) { + r := s.c.newRequest("PUT", "/v1/session/destroy/"+id) + r.setWriteOptions(q) + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return nil, err + } + resp.Body.Close() + + wm := &WriteMeta{RequestTime: rtt} + return wm, nil +} + +// Renew renews the TTL on a given session +func (s *Session) Renew(id string, q *WriteOptions) (*SessionEntry, *WriteMeta, error) { + r := s.c.newRequest("PUT", "/v1/session/renew/"+id) + r.setWriteOptions(q) + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return nil, nil, err + } + defer resp.Body.Close() + + wm := &WriteMeta{RequestTime: rtt} + + var entries []*SessionEntry + if err := decodeBody(resp, &entries); err != nil { + return nil, wm, err + } + + if len(entries) > 0 { + return entries[0], wm, nil + } + return nil, wm, nil +} + +// Info looks up a single session +func (s *Session) Info(id string, q *QueryOptions) (*SessionEntry, *QueryMeta, error) { + r := s.c.newRequest("GET", "/v1/session/info/"+id) + r.setQueryOptions(q) + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return nil, nil, err + } + defer resp.Body.Close() + + qm := &QueryMeta{} + parseQueryMeta(resp, qm) + qm.RequestTime = rtt + + var entries []*SessionEntry + if err := decodeBody(resp, &entries); err != nil { + return nil, nil, err + } + + if len(entries) > 0 { + return entries[0], qm, nil + } + return nil, qm, nil +} + +// List gets sessions for a node +func (s *Session) Node(node string, q *QueryOptions) ([]*SessionEntry, *QueryMeta, error) { + r := s.c.newRequest("GET", "/v1/session/node/"+node) + r.setQueryOptions(q) + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return nil, nil, err + } + defer resp.Body.Close() + + qm := &QueryMeta{} + parseQueryMeta(resp, qm) + qm.RequestTime = rtt + + var entries []*SessionEntry + if err := decodeBody(resp, &entries); err != nil { + return nil, nil, err + } + return entries, qm, nil +} + +// List gets all active sessions +func (s *Session) List(q *QueryOptions) ([]*SessionEntry, *QueryMeta, error) { + r := s.c.newRequest("GET", "/v1/session/list") + r.setQueryOptions(q) + rtt, resp, err := requireOK(s.c.doRequest(r)) + if err != nil { + return nil, nil, err + } + defer resp.Body.Close() + + qm := &QueryMeta{} + parseQueryMeta(resp, qm) + qm.RequestTime = rtt + + var entries []*SessionEntry + if err := decodeBody(resp, &entries); err != nil { + return nil, nil, err + } + return entries, qm, nil +} |