// Renew is used to renew the TTL on a single session
func (s *Session) Renew(args *structs.SessionSpecificRequest,
reply *structs.IndexedSessions) error {
if done, err := s.srv.forward("Session.Renew", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"consul", "session", "renew"}, time.Now())
// Get the session, from local state
state := s.srv.fsm.State()
index, session, err := state.SessionGet(args.Session)
if err != nil {
return err
}
// Reset the session TTL timer
reply.Index = index
if session != nil {
reply.Sessions = structs.Sessions{session}
if err := s.srv.resetSessionTimer(args.Session, session); err != nil {
s.srv.logger.Printf("[ERR] consul.session: Session renew failed: %v", err)
return err
}
}
return nil
}
// Get is used to retrieve a single session
func (s *Session) Get(args *structs.SessionSpecificRequest,
reply *structs.IndexedSessions) error {
if done, err := s.srv.forward("Session.Get", args, args, reply); done {
return err
}
// Get the local state
state := s.srv.fsm.State()
return s.srv.blockingRPC(
&args.QueryOptions,
&reply.QueryMeta,
state.GetQueryWatch("SessionGet"),
func() error {
index, session, err := state.SessionGet(args.Session)
if err != nil {
return err
}
reply.Index = index
if session != nil {
reply.Sessions = structs.Sessions{session}
} else {
reply.Sessions = nil
}
if err := s.srv.filterACL(args.Token, reply); err != nil {
return err
}
return nil
})
}
// Get is used to retrieve a single session
func (s *Session) Get(args *structs.SessionSpecificRequest,
reply *structs.IndexedSessions) error {
if done, err := s.srv.forward("Session.Get", args, args, reply); done {
return err
}
// Get the local state
state := s.srv.fsm.State()
return s.srv.blockingRPC(&args.QueryOptions,
&reply.QueryMeta,
state.QueryTables("SessionGet"),
func() error {
index, session, err := state.SessionGet(args.Session)
reply.Index = index
if session != nil {
reply.Sessions = structs.Sessions{session}
}
return err
})
}
// Renew is used to renew the TTL on a single session
func (s *Session) Renew(args *structs.SessionSpecificRequest,
reply *structs.IndexedSessions) error {
if done, err := s.srv.forward("Session.Renew", args, args, reply); done {
return err
}
defer metrics.MeasureSince([]string{"consul", "session", "renew"}, time.Now())
// Get the session, from local state.
state := s.srv.fsm.State()
index, session, err := state.SessionGet(args.Session)
if err != nil {
return err
}
reply.Index = index
if session == nil {
return nil
}
// Fetch the ACL token, if any, and apply the policy.
acl, err := s.srv.resolveToken(args.Token)
if err != nil {
return err
}
if acl != nil && s.srv.config.ACLEnforceVersion8 {
if !acl.SessionWrite(session.Node) {
return permissionDeniedErr
}
}
// Reset the session TTL timer.
reply.Sessions = structs.Sessions{session}
if err := s.srv.resetSessionTimer(args.Session, session); err != nil {
s.srv.logger.Printf("[ERR] consul.session: Session renew failed: %v", err)
return err
}
return nil
}
