From 1cc8122ec8f7b3f9c5ea9f7e160c6d95d47d58c2 Mon Sep 17 00:00:00 2001
From: Anbraten <anton@ju60.de>
Date: Sat, 26 Feb 2022 03:02:42 +0100
Subject: [PATCH] Support all backends for cli exec (#801)

---
 cli/exec/exec.go  | 13 +++++++++----
 cli/exec/flags.go | 10 ++++++++--
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/cli/exec/exec.go b/cli/exec/exec.go
index da569fb0b0..641ae5485e 100644
--- a/cli/exec/exec.go
+++ b/cli/exec/exec.go
@@ -16,8 +16,8 @@ import (
 
 	"github.com/woodpecker-ci/woodpecker/cli/common"
 	"github.com/woodpecker-ci/woodpecker/pipeline"
-	"github.com/woodpecker-ci/woodpecker/pipeline/backend/docker"
-	backend "github.com/woodpecker-ci/woodpecker/pipeline/backend/types"
+	"github.com/woodpecker-ci/woodpecker/pipeline/backend"
+	backendTypes "github.com/woodpecker-ci/woodpecker/pipeline/backend/types"
 	"github.com/woodpecker-ci/woodpecker/pipeline/frontend"
 	"github.com/woodpecker-ci/woodpecker/pipeline/frontend/yaml"
 	"github.com/woodpecker-ci/woodpecker/pipeline/frontend/yaml/compiler"
@@ -180,7 +180,12 @@ func execWithAxis(c *cli.Context, file, repoPath string, axis matrix.Axis) error
 		compiler.WithSecret(secrets...),
 		compiler.WithEnviron(droneEnv),
 	).Compile(conf)
-	engine := docker.New()
+
+	engine, err := backend.FindEngine(c.String("backend-engine"))
+	if err != nil {
+		return err
+	}
+
 	if err = engine.Load(); err != nil {
 		return err
 	}
@@ -273,7 +278,7 @@ func convertPathForWindows(path string) string {
 	return filepath.ToSlash(path)
 }
 
-var defaultLogger = pipeline.LogFunc(func(proc *backend.Step, rc multipart.Reader) error {
+var defaultLogger = pipeline.LogFunc(func(proc *backendTypes.Step, rc multipart.Reader) error {
 	part, err := rc.NextPart()
 	if err != nil {
 		return err
diff --git a/cli/exec/flags.go b/cli/exec/flags.go
index 68ff0cefcd..4122668675 100644
--- a/cli/exec/flags.go
+++ b/cli/exec/flags.go
@@ -46,10 +46,10 @@ var flags = []cli.Flag{
 		Usage:   "external networks",
 	},
 	&cli.StringFlag{
-		EnvVars: []string{"WOODPECKER_DOCKER_PREFIX"},
+		EnvVars: []string{"WOODPECKER_PREFIX"},
 		Name:    "prefix",
 		Value:   "woodpecker",
-		Usage:   "prefix containers created by woodpecker",
+		Usage:   "prefix used for containers, volumes, networks, ... created by woodpecker",
 		Hidden:  true,
 	},
 	&cli.StringSliceFlag{
@@ -57,6 +57,12 @@ var flags = []cli.Flag{
 		Usage: "privileged plugins",
 		Value: cli.NewStringSlice(constant.PrivilegedPlugins...),
 	},
+	&cli.StringFlag{
+		EnvVars: []string{"WOODPECKER_BACKEND"},
+		Name:    "backend-engine",
+		Usage:   "backend engine to run pipelines on",
+		Value:   "auto-detect",
+	},
 
 	//
 	// Please note the below flags should match the flags from