5dee1141d1
* client/executor: refactor client to remove interpolation * executor: POC libcontainer based executor * vendor: use hashicorp libcontainer fork * vendor: add libcontainer/nsenter dep * executor: updated executor interface to simplify operations * executor: implement logging pipe * logmon: new logmon plugin to manage task logs * driver/executor: use logmon for log management * executor: fix tests and windows build * executor: fix logging key names * executor: fix test failures * executor: add config field to toggle between using libcontainer and standard executors * logmon: use discover utility to discover nomad executable * executor: only call libcontainer-shim on main in linux * logmon: use seperate path configs for stdout/stderr fifos * executor: windows fixes * executor: created reusable pid stats collection utility that can be used in an executor * executor: update fifo.Open calls * executor: fix build * remove executor from docker driver * executor: Shutdown func to kill and cleanup executor and its children * executor: move linux specific universal executor funcs to seperate file * move logmon initialization to a task runner hook * client: doc fixes and renaming from code review * taskrunner: use shared config struct for logmon fifo fields * taskrunner: logmon only needs to be started once per task
55 lines
1.2 KiB
Go
55 lines
1.2 KiB
Go
package command
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import (
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"encoding/json"
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"os"
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"strings"
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hclog "github.com/hashicorp/go-hclog"
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"github.com/hashicorp/go-plugin"
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"github.com/hashicorp/nomad/client/driver"
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dstructs "github.com/hashicorp/nomad/client/driver/structs"
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)
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type ExecutorPluginCommand struct {
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Meta
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}
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func (e *ExecutorPluginCommand) Help() string {
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helpText := `
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This is a command used by Nomad internally to launch an executor plugin"
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`
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return strings.TrimSpace(helpText)
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}
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func (e *ExecutorPluginCommand) Synopsis() string {
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return "internal - launch an executor plugin"
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}
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func (e *ExecutorPluginCommand) Run(args []string) int {
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if len(args) != 1 {
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e.Ui.Error("json configuration not provided")
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return 1
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}
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config := args[0]
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var executorConfig dstructs.ExecutorConfig
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if err := json.Unmarshal([]byte(config), &executorConfig); err != nil {
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return 1
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}
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stdo, err := os.OpenFile(executorConfig.LogFile, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666)
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if err != nil {
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e.Ui.Error(err.Error())
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return 1
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}
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plugin.Serve(&plugin.ServeConfig{
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HandshakeConfig: driver.HandshakeConfig,
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Plugins: driver.GetPluginMap(
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stdo,
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hclog.LevelFromString(executorConfig.LogLevel),
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executorConfig.FSIsolation,
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),
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})
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return 0
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}
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