forked from rancher/os
/
client.go
52 lines (40 loc) · 911 Bytes
/
client.go
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package docker
import (
"time"
log "github.com/Sirupsen/logrus"
dockerClient "github.com/fsouza/go-dockerclient"
"github.com/rancherio/os/config"
)
const (
MAX_WAIT = 30000
INTERVAL = 100
)
func NewSystemClient() (*dockerClient.Client, error) {
return NewClient(config.DOCKER_SYSTEM_HOST)
}
func NewDefaultClient() (*dockerClient.Client, error) {
return NewClient(config.DOCKER_HOST)
}
func NewClient(endpoint string) (*dockerClient.Client, error) {
client, err := dockerClient.NewClient(endpoint)
if err != nil {
return nil, err
}
retry := false
for i := 0; i < (MAX_WAIT / INTERVAL); i++ {
_, err = client.Info()
if err == nil {
break
}
retry = true
log.Infof("Waiting for Docker at %s", endpoint)
time.Sleep(INTERVAL * time.Millisecond)
}
if err != nil {
return nil, err
}
if retry {
log.Infof("Connected to Docker at %s", endpoint)
}
return client, nil
}