go-pkg/asynq
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Add headers to task instance

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This commit is contained in:
denisdvornikov 2023-01-12 11:52:30 +01:00
parent cc777ebdaa
commit 06779efb01
6 changed files with 146 additions and 98 deletions
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15
asynq.go
View File

@ -31,10 +31,14 @@ type Task struct {
// w is the ResultWriter for the task.
w *ResultWriter
// headers contains metadata attached to a message.
headers map[string]string
}
func (t *Task) Type() string { return t.typename }
func (t *Task) Payload() []byte { return t.payload }
func (t *Task) Type() string { return t.typename }
func (t *Task) Payload() []byte { return t.payload }
func (t *Task) Headers() map[string]string { return t.headers }
// ResultWriter returns a pointer to the ResultWriter associated with the task.
//
@ -53,11 +57,12 @@ func NewTask(typename string, payload []byte, opts ...Option) *Task {
}
// newTask creates a task with the given typename, payload and ResultWriter.
func newTask(typename string, payload []byte, w *ResultWriter) *Task {
func newTask(typename string, payload []byte, headers map[string]string, w *ResultWriter) *Task {
return &Task{
typename: typename,
payload: payload,
w: w,
headers: headers,
}
}
@ -128,6 +133,9 @@ type TaskInfo struct {
// Result holds the result data associated with the task.
// Use ResultWriter to write result data from the Handler.
Result []byte
// Headers contains metadata attached to a message.
Headers map[string]string
}
// If t is non-zero, returns time converted from t as unix time in seconds.
@ -156,6 +164,7 @@ func newTaskInfo(msg *base.TaskMessage, state base.TaskState, nextProcessAt time
LastFailedAt: fromUnixTimeOrZero(msg.LastFailedAt),
CompletedAt: fromUnixTimeOrZero(msg.CompletedAt),
Result: result,
Headers: msg.Headers,
}
switch state {

17
client.go
View File

@ -49,6 +49,7 @@ const (
TaskIDOpt
RetentionOpt
GroupOpt
HeadersOpt
)
// Option specifies the task processing behavior.
@ -75,6 +76,7 @@ type (
processInOption time.Duration
retentionOption time.Duration
groupOption string
headersOption map[string]string
)
// MaxRetry returns an option to specify the max number of times
@ -206,6 +208,17 @@ func (name groupOption) String() string { return fmt.Sprintf("Group(%q)", st
func (name groupOption) Type() OptionType { return GroupOpt }
func (name groupOption) Value() interface{} { return string(name) }
// Headers returns an option to attach metadata used for the task.
func Headers(name map[string]string) Option {
return headersOption(name)
}
func (headers headersOption) String() string {
return fmt.Sprintf("Headers(%#v)", map[string]string(headers))
}
func (headers headersOption) Type() OptionType { return HeadersOpt }
func (headers headersOption) Value() interface{} { return map[string]string(headers) }
// ErrDuplicateTask indicates that the given task could not be enqueued since it's a duplicate of another task.
//
// ErrDuplicateTask error only applies to tasks enqueued with a Unique option.
@ -226,6 +239,7 @@ type option struct {
processAt time.Time
retention time.Duration
group string
headers map[string]string
}
// composeOptions merges user provided options into the default options
@ -279,6 +293,8 @@ func composeOptions(opts ...Option) (option, error) {
return option{}, errors.New("group key cannot be empty")
}
res.group = key
case headersOption:
res.headers = opt
default:
// ignore unexpected option
}
@ -378,6 +394,7 @@ func (c *Client) EnqueueContext(ctx context.Context, task *Task, opts ...Option)
UniqueKey: uniqueKey,
GroupKey: opt.group,
Retention: int64(opt.retention.Seconds()),
Headers: opt.headers,
}
now := time.Now()
var state base.TaskState

5
internal/base/base.go
View File

@ -294,6 +294,9 @@ type TaskMessage struct {
//
// Use zero to indicate no value.
CompletedAt int64
// Headers contains metadata attached to a message.
Headers map[string]string
}
// EncodeMessage marshals the given task message and returns an encoded bytes.
@ -316,6 +319,7 @@ func EncodeMessage(msg *TaskMessage) ([]byte, error) {
GroupKey: msg.GroupKey,
Retention: msg.Retention,
CompletedAt: msg.CompletedAt,
Headers: msg.Headers,
})
}
@ -340,6 +344,7 @@ func DecodeMessage(data []byte) (*TaskMessage, error) {
GroupKey: pbmsg.GetGroupKey(),
Retention: pbmsg.GetRetention(),
CompletedAt: pbmsg.GetCompletedAt(),
Headers: pbmsg.GetHeaders(),
}, nil
}

203
internal/proto/asynq.pb.go
View File

@ -4,14 +4,13 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.25.0
// protoc-gen-go v1.27.1
// protoc v3.17.3
// source: asynq.proto
package proto
import (
proto "github.com/golang/protobuf/proto"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
timestamppb "google.golang.org/protobuf/types/known/timestamppb"
@ -26,10 +25,6 @@ const (
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
// TaskMessage is the internal representation of a task with additional
// metadata fields.
// Next ID: 15
@ -77,6 +72,8 @@ type TaskMessage struct {
// the number of seconds elapsed since January 1, 1970 UTC.
// This field is populated if result_ttl > 0 upon completion.
CompletedAt int64 `protobuf:"varint,13,opt,name=completed_at,json=completedAt,proto3" json:"completed_at,omitempty"`
// Headers describes metadata attached to a message.
Headers map[string]string `protobuf:"bytes,15,rep,name=headers,proto3" json:"headers,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
}
func (x *TaskMessage) Reset() {
@ -209,6 +206,13 @@ func (x *TaskMessage) GetCompletedAt() int64 {
return 0
}
func (x *TaskMessage) GetHeaders() map[string]string {
if x != nil {
return x.Headers
}
return nil
}
// ServerInfo holds information about a running server.
type ServerInfo struct {
state protoimpl.MessageState
@ -625,7 +629,7 @@ var file_asynq_proto_rawDesc = []byte{
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}
var (
@ -738,29 +749,31 @@ func file_asynq_proto_rawDescGZIP() []byte {
return file_asynq_proto_rawDescData
}
var file_asynq_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
var file_asynq_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
var file_asynq_proto_goTypes = []interface{}{
(*TaskMessage)(nil), // 0: asynq.TaskMessage
(*ServerInfo)(nil), // 1: asynq.ServerInfo
(*WorkerInfo)(nil), // 2: asynq.WorkerInfo
(*SchedulerEntry)(nil), // 3: asynq.SchedulerEntry
(*SchedulerEnqueueEvent)(nil), // 4: asynq.SchedulerEnqueueEvent
nil, // 5: asynq.ServerInfo.QueuesEntry
(*timestamppb.Timestamp)(nil), // 6: google.protobuf.Timestamp
nil, // 5: asynq.TaskMessage.HeadersEntry
nil, // 6: asynq.ServerInfo.QueuesEntry
(*timestamppb.Timestamp)(nil), // 7: google.protobuf.Timestamp
}
var file_asynq_proto_depIdxs = []int32{
5, // 0: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry
6, // 1: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp
6, // 2: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp
6, // 3: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp
6, // 4: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp
6, // 5: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp
6, // 6: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp
7, // [7:7] is the sub-list for method output_type
7, // [7:7] is the sub-list for method input_type
7, // [7:7] is the sub-list for extension type_name
7, // [7:7] is the sub-list for extension extendee
0, // [0:7] is the sub-list for field type_name
5, // 0: asynq.TaskMessage.headers:type_name -> asynq.TaskMessage.HeadersEntry
6, // 1: asynq.ServerInfo.queues:type_name -> asynq.ServerInfo.QueuesEntry
7, // 2: asynq.ServerInfo.start_time:type_name -> google.protobuf.Timestamp
7, // 3: asynq.WorkerInfo.start_time:type_name -> google.protobuf.Timestamp
7, // 4: asynq.WorkerInfo.deadline:type_name -> google.protobuf.Timestamp
7, // 5: asynq.SchedulerEntry.next_enqueue_time:type_name -> google.protobuf.Timestamp
7, // 6: asynq.SchedulerEntry.prev_enqueue_time:type_name -> google.protobuf.Timestamp
7, // 7: asynq.SchedulerEnqueueEvent.enqueue_time:type_name -> google.protobuf.Timestamp
8, // [8:8] is the sub-list for method output_type
8, // [8:8] is the sub-list for method input_type
8, // [8:8] is the sub-list for extension type_name
8, // [8:8] is the sub-list for extension extendee
0, // [0:8] is the sub-list for field type_name
}
func init() { file_asynq_proto_init() }
@ -836,7 +849,7 @@ func file_asynq_proto_init() {
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_asynq_proto_rawDesc,
NumEnums: 0,
NumMessages: 6,
NumMessages: 7,
NumExtensions: 0,
NumServices: 0,
},

3
internal/proto/asynq.proto
View File

@ -65,6 +65,9 @@ message TaskMessage {
// the number of seconds elapsed since January 1, 1970 UTC.
// This field is populated if result_ttl > 0 upon completion.
int64 completed_at = 13;
// Headers describes metadata attached to a message.
map<string, string> headers = 15;
};
// ServerInfo holds information about a running server.

1
processor.go
View File

@ -220,6 +220,7 @@ func (p *processor) exec() {
task := newTask(
msg.Type,
msg.Payload,
msg.Headers,
&ResultWriter{
id: msg.ID,
qname: msg.Queue,