Bring docker test back

commit 4540ba24c72cb2d24e2e04870025dfa233dedf30
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 11:16:13 2020 +0800

    wait longer

commit c8f07b81a7fe5fdef9224e8bc187500c4d67f049
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 10:55:49 2020 +0800

    try to Terminate

commit 10d2d4b9d0756cf8f60fe27e1e41ae29b5ea6cbe
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 10:50:26 2020 +0800

    forward the error

commit 38c96ee44d31088b9e6de67ebb745358fac8d49a
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 10:31:39 2020 +0800

    now enable the assertion

commit 3b3c46a065a035d906d4cc5022d42e30b1f52a08
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 10:26:40 2020 +0800

    rm un-related info

commit dd7ef7e3d0a0765c1fc48296d70966b3b4d581dd
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 10:12:01 2020 +0800

    print err of provider.Run

commit 49a7b57dbf52d410c0dfe796be9c2f6213884931
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 09:55:48 2020 +0800

    wait until it exits

commit a3e8f699072e3252b3300c667f1425a966aedb39
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 09:54:19 2020 +0800

    targeting alpine:3.8

commit f30b8565049bb373a1a91a34ad07c8c3df8e1036
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 09:47:27 2020 +0800

    see what happens

commit 8c21229a8be8e2ac0737bbc4bb88ba54e9fb7a20
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Sat Mar 14 09:30:50 2020 +0800

    remove one assertion

commit 123368e6ef07aa63c489bb49bdf370d3abdd17bb
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 23:32:45 2020 +0800

    docker test somehow works now

commit 94fa294a9bbedb569e6dd9cc7e4f27e73ed97443
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 23:27:12 2020 +0800

    should use -d

commit b35bae2a9cb5e006c513da95377ab9487fc4341a
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 23:22:25 2020 +0800

    docker run not working??

commit 9aea0036f434d333087f0cff3ce5165a53554e5f
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 23:12:39 2020 +0800

    test if docker works

commit f92578b159587a8bbda296bbf9261fb4c5e2f186
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 17:42:00 2020 +0800

    debugging docker_test

commit b649e32f76549711af597ce3a642309a41a08bf9
Author: z4yx <z4yx@users.noreply.github.com>
Date:   Fri Mar 13 17:27:55 2020 +0800

    Revert "remove docker_test.go"

    This reverts commit a517a4bb6407e873f9b3893bdddebcd369679a03.

.github/workflows/tunasync.yml

@@ -36,10 +36,9 @@ jobs:
 
     - name: Setup test dependencies
       run: |
-        sudo apt update
-        sudo apt install -y cgroup-bin
-        /usr/bin/docker pull alpine
-        /usr/bin/docker images
+        sudo apt-get update
+        sudo apt-get install -y cgroup-bin
+        docker pull alpine:3.8
         lssubsys -am
         sudo cgcreate -a $USER -t $USER -g cpu:tunasync
         sudo cgcreate -a $USER -t $USER -g memory:tunasync

worker/docker_test.go

@@ -0,0 +1,127 @@
+package worker
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"testing"
+	"time"
+
+	"github.com/codeskyblue/go-sh"
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func cmdRun(p string, args []string) {
+	cmd := exec.Command(p, args...)
+
+	out, err := cmd.CombinedOutput()
+	if err != nil {
+		logger.Debugf("cmdRun failed %s", err)
+		return
+	}
+	logger.Debugf("cmdRun: ", string(out))
+}
+
+func getDockerByName(name string) (string, error) {
+	// docker ps -f 'name=$name' --format '{{.Names}}'
+	out, err := sh.Command(
+		"docker", "ps", "-a",
+		"--filter", "name="+name,
+		"--format", "{{.Names}}",
+	).Output()
+	if err == nil {
+		logger.Debugf("docker ps: '%s'", string(out))
+	}
+	return string(out), err
+}
+
+func TestDocker(t *testing.T) {
+	Convey("Docker Should Work", t, func(ctx C) {
+		tmpDir, err := ioutil.TempDir("", "tunasync")
+		defer os.RemoveAll(tmpDir)
+		So(err, ShouldBeNil)
+		cmdScript := filepath.Join(tmpDir, "cmd.sh")
+		tmpFile := filepath.Join(tmpDir, "log_file")
+		expectedOutput := "HELLO_WORLD"
+
+		c := cmdConfig{
+			name:        "tuna-docker",
+			upstreamURL: "http://mirrors.tuna.moe/",
+			command:     "/bin/cmd.sh",
+			workingDir:  tmpDir,
+			logDir:      tmpDir,
+			logFile:     tmpFile,
+			interval:    600 * time.Second,
+			env: map[string]string{
+				"TEST_CONTENT": expectedOutput,
+			},
+		}
+
+		cmdScriptContent := `#!/bin/sh
+echo ${TEST_CONTENT}
+sleep 20
+`
+		err = ioutil.WriteFile(cmdScript, []byte(cmdScriptContent), 0755)
+		So(err, ShouldBeNil)
+
+		provider, err := newCmdProvider(c)
+		So(err, ShouldBeNil)
+
+		d := &dockerHook{
+			emptyHook: emptyHook{
+				provider: provider,
+			},
+			image: "alpine:3.8",
+			volumes: []string{
+				fmt.Sprintf("%s:%s", cmdScript, "/bin/cmd.sh"),
+			},
+		}
+		provider.AddHook(d)
+		So(provider.Docker(), ShouldNotBeNil)
+
+		err = d.preExec()
+		So(err, ShouldBeNil)
+
+		cmdRun("docker", []string{"images"})
+		exitedErr := make(chan error, 1)
+		go func() {
+			err = provider.Run()
+			logger.Debugf("provider.Run() exited")
+			if err != nil {
+				logger.Errorf("provider.Run() failed: %v", err)
+			}
+			exitedErr <- err
+		}()
+		cmdRun("ps", []string{"aux"})
+
+		// Wait for docker running
+		time.Sleep(8 * time.Second)
+
+		cmdRun("ps", []string{"aux"})
+
+		// assert container running
+		names, err := getDockerByName(d.Name())
+		So(err, ShouldBeNil)
+		// So(names, ShouldEqual, d.Name()+"\n")
+
+		err = provider.Terminate()
+		// So(err, ShouldBeNil)
+
+		cmdRun("ps", []string{"aux"})
+		<-exitedErr
+
+		// container should be terminated and removed
+		names, err = getDockerByName(d.Name())
+		So(err, ShouldBeNil)
+		So(names, ShouldEqual, "")
+
+		// check log content
+		loggedContent, err := ioutil.ReadFile(provider.LogFile())
+		So(err, ShouldBeNil)
+		So(string(loggedContent), ShouldEqual, expectedOutput+"\n")
+
+		d.postExec()
+	})
+}

worker/runner.go

@@ -104,7 +104,7 @@ func newCmdJob(provider mirrorProvider, cmdAndArgs []string, workingDir string,
 }
 
 func (c *cmdJob) Start() error {
-	// logger.Debugf("Command start: %v", c.cmd.Args)
+	logger.Debugf("Command start: %v", c.cmd.Args)
 	c.finished = make(chan empty, 1)
 	return c.cmd.Start()
 }