open-nomad/client/driver/plugins.go

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2016-02-09 20:59:05 +00:00
package driver
import (
"io"
"log"
"net"
"github.com/hashicorp/go-plugin"
)
var HandshakeConfig = plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "NOMAD_PLUGIN_MAGIC_COOKIE",
MagicCookieValue: "e4327c2e01eabfd75a8a67adb114fb34a757d57eee7728d857a8cec6e91a7255",
}
func GetPluginMap(w io.Writer) map[string]plugin.Plugin {
p := new(ExecutorPlugin)
p.logger = log.New(w, "", log.LstdFlags)
return map[string]plugin.Plugin{"executor": p}
}
// ExecutorReattachConfig is the config that we seralize and de-serialize and
// store in disk
type PluginReattachConfig struct {
Pid int
AddrNet string
AddrName string
}
// PluginConfig returns a config from an ExecutorReattachConfig
func (c *PluginReattachConfig) PluginConfig() *plugin.ReattachConfig {
var addr net.Addr
switch c.AddrNet {
case "unix", "unixgram", "unixpacket":
addr, _ = net.ResolveUnixAddr(c.AddrNet, c.AddrName)
case "tcp", "tcp4", "tcp6":
addr, _ = net.ResolveTCPAddr(c.AddrNet, c.AddrName)
}
return &plugin.ReattachConfig{Pid: c.Pid, Addr: addr}
}
func NewPluginReattachConfig(c *plugin.ReattachConfig) *PluginReattachConfig {
return &PluginReattachConfig{Pid: c.Pid, AddrNet: c.Addr.Network(), AddrName: c.Addr.String()}
}