mirror of
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116 lines
3.0 KiB
Go
116 lines
3.0 KiB
Go
package state
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import (
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"encoding/json"
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"fmt"
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"github.com/hashicorp/nomad/client/allocrunner/taskrunner/state"
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"github.com/hashicorp/nomad/nomad/structs"
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"github.com/hashicorp/nomad/plugins/drivers"
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"github.com/hashicorp/nomad/plugins/shared"
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)
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// allocRunnerMutableState08 is state that had to be written on each save as it
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// changed over the life-cycle of the alloc_runner in Nomad 0.8.
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//
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// https://github.com/hashicorp/nomad/blob/v0.8.6/client/alloc_runner.go#L146-L153
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//
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type allocRunnerMutableState08 struct {
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// AllocClientStatus does not need to be upgraded as it is computed
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// from task states.
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AllocClientStatus string
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// AllocClientDescription does not need to be upgraded as it is computed
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// from task states.
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AllocClientDescription string
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TaskStates map[string]*structs.TaskState
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DeploymentStatus *structs.AllocDeploymentStatus
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}
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// taskRunnerState08 was used to snapshot the state of the task runner in Nomad
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// 0.8.
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//
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// https://github.com/hashicorp/nomad/blob/v0.8.6/client/task_runner.go#L188-L197
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//
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type taskRunnerState08 struct {
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Version string
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HandleID string
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ArtifactDownloaded bool
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TaskDirBuilt bool
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PayloadRendered bool
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DriverNetwork *drivers.DriverNetwork
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// Created Resources are no longer used.
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//CreatedResources *driver.CreatedResources
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}
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type taskRunnerHandle08 struct {
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PluginConfig struct {
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Pid int `json:"Pid"`
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AddrNet string `json:"AddrNet"`
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AddrName string `json:"AddrName"`
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} `json:"PluginConfig"`
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}
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func (t *taskRunnerHandle08) reattachConfig() *shared.ReattachConfig {
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return &shared.ReattachConfig{
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Network: t.PluginConfig.AddrNet,
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Addr: t.PluginConfig.AddrName,
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Pid: t.PluginConfig.Pid,
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}
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}
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func (t *taskRunnerState08) Upgrade(allocID, taskName string) *state.LocalState {
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ls := state.NewLocalState()
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// Reuse DriverNetwork
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ls.DriverNetwork = t.DriverNetwork
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// Upgrade artifact state
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ls.Hooks["artifacts"] = &state.HookState{
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PrestartDone: t.ArtifactDownloaded,
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}
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// Upgrade task dir state
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ls.Hooks["task_dir"] = &state.HookState{
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PrestartDone: t.TaskDirBuilt,
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}
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// Don't need logmon in pre09 tasks
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ls.Hooks["logmon"] = &state.HookState{
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PrestartDone: true,
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}
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// Upgrade dispatch payload state
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ls.Hooks["dispatch_payload"] = &state.HookState{
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PrestartDone: t.PayloadRendered,
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}
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//TODO How to convert handles?! This does not work.
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ls.TaskHandle = drivers.NewTaskHandle(0)
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//TODO where do we get this from?
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ls.TaskHandle.Config = &drivers.TaskConfig{
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Name: taskName,
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AllocID: allocID,
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}
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//TODO do we need to se this accurately? Or will RecoverTask handle it?
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ls.TaskHandle.State = drivers.TaskStateUnknown
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// A ReattachConfig to the pre09 executor is sent
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var raw []byte
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var handle taskRunnerHandle08
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if err := json.Unmarshal([]byte(t.HandleID), &handle); err != nil {
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fmt.Println("ERR: ", err)
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}
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raw, err := json.Marshal(handle.reattachConfig())
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if err != nil {
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fmt.Println("ERR: ", err)
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}
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ls.TaskHandle.DriverState = raw
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return ls
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}
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