From c1ecb2b7be8e3501a3d0d258f9deb90fd6c97d86 Mon Sep 17 00:00:00 2001
From: Nicolas De Loof <nicolas.deloof@gmail.com>
Date: Wed, 26 Aug 2020 09:12:30 +0200
Subject: [PATCH] Check we have compose 1.27 or later

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>
---
 ecs/emulate.go | 27 +++++++++++++++++++++++----
 go.mod         |  1 +
 go.sum         |  1 +
 3 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/ecs/emulate.go b/ecs/emulate.go
index f3859b485..6e11648cf 100644
--- a/ecs/emulate.go
+++ b/ecs/emulate.go
@@ -17,6 +17,8 @@
 package ecs
 
 import (
+	"bufio"
+	"bytes"
 	"context"
 	"fmt"
 	"os"
@@ -25,10 +27,11 @@ import (
 	"strings"
 
 	"github.com/aws/aws-sdk-go/aws"
-	"github.com/compose-spec/compose-go/types"
-	"github.com/sanathkr/go-yaml"
-
 	"github.com/compose-spec/compose-go/cli"
+	"github.com/compose-spec/compose-go/types"
+	"github.com/pkg/errors"
+	"github.com/sanathkr/go-yaml"
+	"golang.org/x/mod/semver"
 )
 
 func (c *ecsAPIService) Emulate(ctx context.Context, options *cli.ProjectOptions) error {
@@ -104,7 +107,23 @@ func (c *ecsAPIService) Emulate(ctx context.Context, options *cli.ProjectOptions
 		return err
 	}
 
-	cmd := exec.Command("docker-compose", "--context", "default", "--project-directory", project.WorkingDir, "--project-name", project.Name, "-f", "-", "up")
+	cmd := exec.Command("docker-compose", "version", "--short")
+	b := bytes.Buffer{}
+	b.WriteString("v")
+	cmd.Stdout = bufio.NewWriter(&b)
+	err = cmd.Run()
+	if err != nil {
+		return errors.Wrap(err, "ECS simulation mode require Docker-compose 1.27")
+	}
+	version := semver.MajorMinor(strings.TrimSpace(b.String()))
+	if version == "" {
+		return fmt.Errorf("can't parse docker-compose version: %s", b.String())
+	}
+	if semver.Compare(version, "v1.27") < 0 {
+		return fmt.Errorf("ECS simulation mode require Docker-compose 1.27, found %s", version)
+	}
+
+	cmd = exec.Command("docker-compose", "--context", "default", "--project-directory", project.WorkingDir, "--project-name", project.Name, "-f", "-", "up")
 	cmd.Stdin = strings.NewReader(string(marshal))
 	cmd.Stdout = os.Stdout
 	cmd.Stderr = os.Stderr
diff --git a/go.mod b/go.mod
index 5f7ed8190..adea637a0 100644
--- a/go.mod
+++ b/go.mod
@@ -52,6 +52,7 @@ require (
 	github.com/spf13/cobra v1.0.0
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.6.1
+	golang.org/x/mod v0.3.0
 	golang.org/x/net v0.0.0-20200625001655-4c5254603344
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45
 	golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208
diff --git a/go.sum b/go.sum
index 1b2ca12ef..b85de99ba 100644
--- a/go.sum
+++ b/go.sum
@@ -417,6 +417,7 @@ golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190313153728-d0100b6bd8b3/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
+golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=