open-nomad/client/driver/plugins.go

57 lines
1.5 KiB
Go

package driver
import (
"io"
"log"
"net"
"strings"
"github.com/hashicorp/go-plugin"
"github.com/hashicorp/logutils"
)
var HandshakeConfig = plugin.HandshakeConfig{
ProtocolVersion: 1,
MagicCookieKey: "NOMAD_PLUGIN_MAGIC_COOKIE",
MagicCookieValue: "e4327c2e01eabfd75a8a67adb114fb34a757d57eee7728d857a8cec6e91a7255",
}
func GetPluginMap(w io.Writer, logLevel string) map[string]plugin.Plugin {
e := new(ExecutorPlugin)
filter := &logutils.LevelFilter{
Levels: []logutils.LogLevel{"TRACE", "DEBUG", "INFO", "WARN", "ERR"},
MinLevel: logutils.LogLevel(strings.ToUpper(logLevel)),
Writer: w,
}
e.logger = log.New(filter, "", log.LstdFlags|log.Lmicroseconds)
return map[string]plugin.Plugin{
"executor": e,
}
}
// ExecutorReattachConfig is the config that we serialize 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()}
}