mirror of https://github.com/docker/docs.git
40 lines
782 B
Go
40 lines
782 B
Go
package main
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import (
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"regexp"
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"time"
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log "github.com/Sirupsen/logrus"
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"github.com/codegangsta/cli"
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"github.com/docker/swarm/discovery"
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)
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func join(c *cli.Context) {
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if c.String("discovery") == "" {
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log.Fatal("--discovery required to join a cluster")
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}
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d, err := discovery.New(c.String("discovery"), c.Int("heartbeat"))
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if err != nil {
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log.Fatal(err)
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}
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addr := c.String("addr")
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if m, _ := regexp.MatchString("^[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}:[0-9]{1,5}$", addr); !m {
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log.Fatal("--addr should be of the form ip:port")
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}
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if err := d.Register(addr); err != nil {
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log.Fatal(err)
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}
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hb := time.Duration(c.Int("heartbeat"))
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for {
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time.Sleep(hb * time.Second)
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if err := d.Register(c.String("addr")); err != nil {
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log.Error(err)
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}
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}
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}
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