Files
dokku/plugins/ps/ps.go
2021-07-10 14:57:56 -04:00

124 lines
3.2 KiB
Go

package ps
import (
"fmt"
"strings"
"github.com/dokku/dokku/plugins/common"
)
// RunInSerial is the default value for whether to run a command in parallel or not
// and defaults to -1 (false)
const RunInSerial = 0
var (
// DefaultProperties is a map of all valid ps properties with corresponding default property values
DefaultProperties = map[string]string{
"restart-policy": "on-failure:10",
"procfile-path": "",
}
// GlobalProperties is a map of all valid global ps properties
GlobalProperties = map[string]bool{
"procfile-path": true,
}
)
// Rebuild rebuilds app from base image
func Rebuild(appName string) error {
return common.PlugnTrigger("receive-app", []string{appName}...)
}
// Restart restarts the app
func Restart(appName string) error {
if !common.IsDeployed(appName) {
common.LogWarn(fmt.Sprintf("App %s has not been deployed", appName))
return nil
}
return common.PlugnTrigger("release-and-deploy", []string{appName}...)
}
// Restore ensures an app that should be running is running on boot
func Restore(appName string) error {
scheduler := common.GetAppScheduler(appName)
if err := common.PlugnTrigger("pre-restore", []string{scheduler, appName}...); err != nil {
return fmt.Errorf("Error running pre-restore: %s", err)
}
common.LogInfo1("Clearing potentially invalid proxy configuration")
if err := common.PlugnTrigger("proxy-clear-config", []string{appName}...); err != nil {
return fmt.Errorf("Error clearing proxy config: %s", err)
}
if !common.IsDeployed(appName) {
common.LogWarn(fmt.Sprintf("App %s has not been deployed", appName))
return nil
}
b, _ := common.PlugnTriggerOutput("config-get", []string{appName, "DOKKU_APP_RESTORE"}...)
restore := strings.TrimSpace(string(b[:]))
if restore == "0" {
common.LogWarn(fmt.Sprintf("Skipping ps:restore for %s as DOKKU_APP_RESTORE=%s", appName, restore))
return nil
}
common.LogInfo1("Starting app")
return Start(appName)
}
// Start starts the app
func Start(appName string) error {
imageTag, _ := common.GetRunningImageTag(appName)
if !common.IsDeployed(appName) {
common.LogWarn(fmt.Sprintf("App %s has not been deployed", appName))
return nil
}
if err := common.PlugnTrigger("pre-start", []string{appName}...); err != nil {
return fmt.Errorf("Failure in pre-start hook: %s", err)
}
runningState := getRunningState(appName)
if runningState == "mixed" {
common.LogWarn("App is running in mixed mode, releasing")
}
if runningState != "true" {
if err := common.PlugnTrigger("release-and-deploy", []string{appName, imageTag}...); err != nil {
return err
}
} else {
common.LogWarn(fmt.Sprintf("App %s already running", appName))
}
if err := common.PlugnTrigger("proxy-build-config", []string{appName}...); err != nil {
return err
}
return nil
}
// Stop stops the app
func Stop(appName string) error {
if !common.IsDeployed(appName) {
common.LogWarn(fmt.Sprintf("App %s has not been deployed", appName))
return nil
}
common.LogQuiet(fmt.Sprintf("Stopping %s", appName))
scheduler := common.GetAppScheduler(appName)
if err := common.PlugnTrigger("scheduler-stop", []string{scheduler, appName}...); err != nil {
return err
}
if err := common.PlugnTrigger("post-stop", []string{appName}...); err != nil {
return err
}
return nil
}