package structs import ( "errors" "fmt" "github.com/hashicorp/consul/api" multierror "github.com/hashicorp/go-multierror" ) // TxnKVOp is used to define a single operation on the KVS inside a // transaction. type TxnKVOp struct { Verb api.KVOp DirEnt DirEntry } // TxnKVResult is used to define the result of a single operation on the KVS // inside a transaction. type TxnKVResult *DirEntry // TxnNodeOp is used to define a single operation on a node in the catalog inside // a transaction. type TxnNodeOp struct { Verb api.NodeOp Node Node } // TxnNodeResult is used to define the result of a single operation on a node // in the catalog inside a transaction. type TxnNodeResult *Node // TxnServiceOp is used to define a single operation on a service in the catalog inside // a transaction. type TxnServiceOp struct { Verb api.ServiceOp Node string Service NodeService } // TxnServiceResult is used to define the result of a single operation on a service // in the catalog inside a transaction. type TxnServiceResult *NodeService // TxnCheckOp is used to define a single operation on a health check inside a // transaction. type TxnCheckOp struct { Verb api.CheckOp Check HealthCheck } // TxnCheckResult is used to define the result of a single operation on a // session inside a transaction. type TxnCheckResult *HealthCheck // TxnSessionOp is used to define a single operation on a session inside a // transaction. type TxnSessionOp struct { Verb api.SessionOp Session Session } // TxnKVOp is used to define a single operation on an Intention inside a // transaction. type TxnIntentionOp IntentionRequest // TxnOp is used to define a single operation inside a transaction. Only one // of the types should be filled out per entry. type TxnOp struct { KV *TxnKVOp Intention *TxnIntentionOp Node *TxnNodeOp Service *TxnServiceOp Check *TxnCheckOp Session *TxnSessionOp } // TxnOps is a list of operations within a transaction. type TxnOps []*TxnOp // TxnRequest is used to apply multiple operations to the state store in a // single transaction type TxnRequest struct { Datacenter string Ops TxnOps WriteRequest } func (r *TxnRequest) RequestDatacenter() string { return r.Datacenter } // TxnReadRequest is used as a fast path for read-only transactions that don't // modify the state store. type TxnReadRequest struct { Datacenter string Ops TxnOps QueryOptions } func (r *TxnReadRequest) RequestDatacenter() string { return r.Datacenter } // TxnError is used to return information about an error for a specific // operation. type TxnError struct { OpIndex int What string } // Error returns the string representation of an atomic error. func (e TxnError) Error() string { return fmt.Sprintf("op %d: %s", e.OpIndex, e.What) } // TxnErrors is a list of TxnError entries. type TxnErrors []*TxnError // TxnResult is used to define the result of a given operation inside a // transaction. Only one of the types should be filled out per entry. type TxnResult struct { KV TxnKVResult `json:",omitempty"` Node TxnNodeResult `json:",omitempty"` Service TxnServiceResult `json:",omitempty"` Check TxnCheckResult `json:",omitempty"` } // TxnResults is a list of TxnResult entries. type TxnResults []*TxnResult // TxnResponse is the structure returned by a TxnRequest. type TxnResponse struct { Results TxnResults Errors TxnErrors } // Error returns an aggregate of all errors in this TxnResponse. func (r TxnResponse) Error() error { var errs error for _, err := range r.Errors { errs = multierror.Append(errs, errors.New(err.Error())) } return errs } // TxnReadResponse is the structure returned by a TxnReadRequest. type TxnReadResponse struct { TxnResponse QueryMeta }