Golang IndexedPreparedQueries.Index Examples

Example #1

File: prepared_query_endpoint.go Project: Unix4ever/consul

// Get returns a single prepared query by ID.
func (p *PreparedQuery) Get(args *structs.PreparedQuerySpecificRequest,
	reply *structs.IndexedPreparedQueries) error {
	if done, err := p.srv.forward("PreparedQuery.Get", args, args, reply); done {
		return err
	}

	// We will use this in the loop to see if the caller is allowed to see
	// the query.
	acl, err := p.srv.resolveToken(args.Token)
	if err != nil {
		return err
	}

	// Get the requested query.
	state := p.srv.fsm.State()
	return p.srv.blockingRPC(
		&args.QueryOptions,
		&reply.QueryMeta,
		state.GetQueryWatch("PreparedQueryGet"),
		func() error {
			index, query, err := state.PreparedQueryGet(args.QueryID)
			if err != nil {
				return err
			}
			if query == nil {
				return ErrQueryNotFound
			}

			if (query.Token != args.Token) && (acl != nil && !acl.QueryList()) {
				p.srv.logger.Printf("[WARN] consul.prepared_query: Request to get prepared query '%s' denied because ACL didn't match ACL used to create the query, and a management token wasn't supplied", args.QueryID)
				return permissionDeniedErr
			}

			reply.Index = index
			reply.Queries = structs.PreparedQueries{query}
			return nil
		})

	return nil
}