// execute runs a prepared query in the local DC without any failover. We don't
// apply any sorting options or ACL checks at this level - it should be done up above.
func (p *PreparedQuery) execute(query *structs.PreparedQuery,
reply *structs.PreparedQueryExecuteResponse) error {
state := p.srv.fsm.State()
_, nodes, err := state.CheckServiceNodes(query.Service.Service)
if err != nil {
return err
}
// Filter out any unhealthy nodes.
nodes = nodes.Filter(query.Service.OnlyPassing)
// Apply the tag filters, if any.
if len(query.Service.Tags) > 0 {
nodes = tagFilter(query.Service.Tags, nodes)
}
// Capture the nodes and pass the DNS information through to the reply.
reply.Service = query.Service.Service
reply.Nodes = nodes
reply.DNS = query.DNS
// Stamp the result for this datacenter.
reply.Datacenter = p.srv.config.Datacenter
return nil
}
// execute runs a prepared query in the local DC without any failover. We don't
// apply any sorting options at this level - it should be done up above.
func (p *PreparedQuery) execute(query *structs.PreparedQuery,
reply *structs.PreparedQueryExecuteResponse) error {
state := p.srv.fsm.State()
_, nodes, err := state.CheckServiceNodes(query.Service.Service)
if err != nil {
return err
}
// This is kind of a paranoia ACL check, in case something changed with
// the token from the time the query was registered. Note that we use
// the token stored with the query, NOT the passed-in one, which is
// critical to how queries work (the query becomes a proxy for a lookup
// using the ACL it was created with).
acl, err := p.srv.resolveToken(query.Token)
if err != nil {
return err
}
if acl != nil && !acl.ServiceRead(query.Service.Service) {
p.srv.logger.Printf("[WARN] consul.prepared_query: Execute of prepared query for service '%s' denied due to ACLs", query.Service.Service)
return permissionDeniedErr
}
// Filter out any unhealthy nodes.
nodes = nodes.Filter(query.Service.OnlyPassing)
// Apply the tag filters, if any.
if len(query.Service.Tags) > 0 {
nodes = tagFilter(query.Service.Tags, nodes)
}
// Capture the nodes and pass the DNS information through to the reply.
reply.Service = query.Service.Service
reply.Nodes = nodes
reply.DNS = query.DNS
// Stamp the result for this datacenter.
reply.Datacenter = p.srv.config.Datacenter
return nil
}