-
Notifications
You must be signed in to change notification settings - Fork 567
/
workers.go
78 lines (70 loc) · 1.99 KB
/
workers.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
package server
import (
"context"
"fmt"
"path"
"github.com/gogo/protobuf/types"
"github.com/pachyderm/pachyderm/src/client"
"github.com/pachyderm/pachyderm/src/client/pps"
workerpkg "github.com/pachyderm/pachyderm/src/server/worker"
etcd "github.com/coreos/etcd/clientv3"
"google.golang.org/grpc"
)
const (
workerEtcdPrefix = "workers"
)
func status(ctx context.Context, id string, etcdClient *etcd.Client, etcdPrefix string) ([]*pps.WorkerStatus, error) {
workerClients, err := workerClients(ctx, id, etcdClient, etcdPrefix)
if err != nil {
return nil, err
}
var result []*pps.WorkerStatus
for _, workerClient := range workerClients {
status, err := workerClient.Status(ctx, &types.Empty{})
if err != nil {
return nil, err
}
result = append(result, status)
}
return result, nil
}
func cancel(ctx context.Context, id string, etcdClient *etcd.Client,
etcdPrefix string, jobID string, dataFilter []string) error {
workerClients, err := workerClients(ctx, id, etcdClient, etcdPrefix)
if err != nil {
return err
}
success := false
for _, workerClient := range workerClients {
resp, err := workerClient.Cancel(ctx, &workerpkg.CancelRequest{
JobID: jobID,
DataFilters: dataFilter,
})
if err != nil {
return err
}
if resp.Success {
success = true
}
}
if !success {
return fmt.Errorf("datum matching filter %+v could not be found for jobID %s", dataFilter, jobID)
}
return nil
}
func workerClients(ctx context.Context, id string, etcdClient *etcd.Client, etcdPrefix string) ([]workerpkg.WorkerClient, error) {
resp, err := etcdClient.Get(ctx, path.Join(etcdPrefix, workerEtcdPrefix, id), etcd.WithPrefix())
if err != nil {
return nil, err
}
var result []workerpkg.WorkerClient
for _, kv := range resp.Kvs {
conn, err := grpc.Dial(fmt.Sprintf("%s:%d", path.Base(string(kv.Key)), client.PPSWorkerPort),
client.PachDialOptions()...)
if err != nil {
return nil, err
}
result = append(result, workerpkg.NewWorkerClient(conn))
}
return result, nil
}