2018-04-10 10:29:48 -04:00
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package daemon // import "github.com/docker/docker/internal/test/daemon"
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import (
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"context"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/events"
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"github.com/docker/docker/client"
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"github.com/docker/docker/internal/test"
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"github.com/docker/docker/internal/test/request"
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2018-04-10 10:29:48 -04:00
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"github.com/docker/docker/opts"
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"github.com/docker/docker/pkg/ioutils"
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"github.com/docker/docker/pkg/stringid"
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"github.com/docker/go-connections/sockets"
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"github.com/docker/go-connections/tlsconfig"
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"github.com/gotestyourself/gotestyourself/assert"
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"github.com/pkg/errors"
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)
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type testingT interface {
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assert.TestingT
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logT
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Fatalf(string, ...interface{})
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}
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type logT interface {
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Logf(string, ...interface{})
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}
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const defaultDockerdBinary = "dockerd"
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var errDaemonNotStarted = errors.New("daemon not started")
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// SockRoot holds the path of the default docker integration daemon socket
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var SockRoot = filepath.Join(os.TempDir(), "docker-integration")
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type clientConfig struct {
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transport *http.Transport
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scheme string
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addr string
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}
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// Daemon represents a Docker daemon for the testing framework
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type Daemon struct {
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GlobalFlags []string
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Root string
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Folder string
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Wait chan error
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UseDefaultHost bool
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UseDefaultTLSHost bool
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id string
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logFile *os.File
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cmd *exec.Cmd
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storageDriver string
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userlandProxy bool
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execRoot string
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experimental bool
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init bool
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dockerdBinary string
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log logT
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// swarm related field
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swarmListenAddr string
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SwarmPort int // FIXME(vdemeester) should probably not be exported
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// cached information
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CachedInfo types.Info
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}
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// New returns a Daemon instance to be used for testing.
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// This will create a directory such as d123456789 in the folder specified by $DOCKER_INTEGRATION_DAEMON_DEST or $DEST.
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// The daemon will not automatically start.
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func New(t testingT, ops ...func(*Daemon)) *Daemon {
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if ht, ok := t.(test.HelperT); ok {
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ht.Helper()
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}
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dest := os.Getenv("DOCKER_INTEGRATION_DAEMON_DEST")
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if dest == "" {
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dest = os.Getenv("DEST")
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}
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assert.Check(t, dest != "", "Please set the DOCKER_INTEGRATION_DAEMON_DEST or the DEST environment variable")
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storageDriver := os.Getenv("DOCKER_GRAPHDRIVER")
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assert.NilError(t, os.MkdirAll(SockRoot, 0700), "could not create daemon socket root")
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id := fmt.Sprintf("d%s", stringid.TruncateID(stringid.GenerateRandomID()))
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dir := filepath.Join(dest, id)
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daemonFolder, err := filepath.Abs(dir)
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assert.NilError(t, err, "Could not make %q an absolute path", dir)
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daemonRoot := filepath.Join(daemonFolder, "root")
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assert.NilError(t, os.MkdirAll(daemonRoot, 0755), "Could not create daemon root %q", dir)
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userlandProxy := true
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if env := os.Getenv("DOCKER_USERLANDPROXY"); env != "" {
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if val, err := strconv.ParseBool(env); err != nil {
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userlandProxy = val
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}
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}
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d := &Daemon{
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id: id,
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Folder: daemonFolder,
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Root: daemonRoot,
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storageDriver: storageDriver,
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userlandProxy: userlandProxy,
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execRoot: filepath.Join(os.TempDir(), "docker-execroot", id),
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dockerdBinary: defaultDockerdBinary,
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swarmListenAddr: defaultSwarmListenAddr,
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SwarmPort: DefaultSwarmPort,
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log: t,
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}
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for _, op := range ops {
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op(d)
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}
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return d
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}
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// RootDir returns the root directory of the daemon.
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func (d *Daemon) RootDir() string {
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return d.Root
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}
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// ID returns the generated id of the daemon
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func (d *Daemon) ID() string {
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return d.id
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}
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// StorageDriver returns the configured storage driver of the daemon
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func (d *Daemon) StorageDriver() string {
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return d.storageDriver
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}
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// Sock returns the socket path of the daemon
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func (d *Daemon) Sock() string {
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return fmt.Sprintf("unix://" + d.sockPath())
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}
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func (d *Daemon) sockPath() string {
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return filepath.Join(SockRoot, d.id+".sock")
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}
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// LogFileName returns the path the daemon's log file
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func (d *Daemon) LogFileName() string {
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return d.logFile.Name()
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}
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// ReadLogFile returns the content of the daemon log file
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func (d *Daemon) ReadLogFile() ([]byte, error) {
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return ioutil.ReadFile(d.logFile.Name())
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}
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// NewClient creates new client based on daemon's socket path
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// FIXME(vdemeester): replace NewClient with NewClientT
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func (d *Daemon) NewClient() (*client.Client, error) {
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return client.NewClientWithOpts(
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client.FromEnv,
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client.WithHost(d.Sock()))
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}
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2018-04-11 06:10:17 -04:00
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// NewClientT creates new client based on daemon's socket path
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// FIXME(vdemeester): replace NewClient with NewClientT
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func (d *Daemon) NewClientT(t assert.TestingT) *client.Client {
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if ht, ok := t.(test.HelperT); ok {
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ht.Helper()
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}
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c, err := client.NewClientWithOpts(
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client.FromEnv,
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client.WithHost(d.Sock()))
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assert.NilError(t, err, "cannot create daemon client")
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return c
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}
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2018-04-17 06:00:38 -04:00
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// Cleanup cleans the daemon files : exec root (network namespaces, ...), swarmkit files
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func (d *Daemon) Cleanup(t testingT) {
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if ht, ok := t.(test.HelperT); ok {
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ht.Helper()
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}
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// Cleanup swarmkit wal files if present
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cleanupRaftDir(t, d.Root)
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cleanupNetworkNamespace(t, d.execRoot)
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}
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// Start starts the daemon and return once it is ready to receive requests.
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func (d *Daemon) Start(t testingT, args ...string) {
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if ht, ok := t.(test.HelperT); ok {
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ht.Helper()
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}
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if err := d.StartWithError(args...); err != nil {
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t.Fatalf("Error starting daemon with arguments: %v", args)
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}
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}
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// StartWithError starts the daemon and return once it is ready to receive requests.
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// It returns an error in case it couldn't start.
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func (d *Daemon) StartWithError(args ...string) error {
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logFile, err := os.OpenFile(filepath.Join(d.Folder, "docker.log"), os.O_RDWR|os.O_CREATE|os.O_APPEND, 0600)
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if err != nil {
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return errors.Wrapf(err, "[%s] Could not create %s/docker.log", d.id, d.Folder)
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}
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return d.StartWithLogFile(logFile, args...)
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}
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// StartWithLogFile will start the daemon and attach its streams to a given file.
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func (d *Daemon) StartWithLogFile(out *os.File, providedArgs ...string) error {
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d.handleUserns()
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dockerdBinary, err := exec.LookPath(d.dockerdBinary)
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if err != nil {
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return errors.Wrapf(err, "[%s] could not find docker binary in $PATH", d.id)
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}
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args := append(d.GlobalFlags,
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"--containerd", "/var/run/docker/containerd/docker-containerd.sock",
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"--data-root", d.Root,
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"--exec-root", d.execRoot,
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"--pidfile", fmt.Sprintf("%s/docker.pid", d.Folder),
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fmt.Sprintf("--userland-proxy=%t", d.userlandProxy),
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)
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if d.experimental {
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args = append(args, "--experimental")
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}
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if d.init {
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args = append(args, "--init")
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}
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if !(d.UseDefaultHost || d.UseDefaultTLSHost) {
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args = append(args, []string{"--host", d.Sock()}...)
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}
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if root := os.Getenv("DOCKER_REMAP_ROOT"); root != "" {
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args = append(args, []string{"--userns-remap", root}...)
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}
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// If we don't explicitly set the log-level or debug flag(-D) then
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// turn on debug mode
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foundLog := false
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foundSd := false
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for _, a := range providedArgs {
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if strings.Contains(a, "--log-level") || strings.Contains(a, "-D") || strings.Contains(a, "--debug") {
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foundLog = true
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}
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if strings.Contains(a, "--storage-driver") {
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foundSd = true
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}
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}
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if !foundLog {
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args = append(args, "--debug")
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}
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if d.storageDriver != "" && !foundSd {
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args = append(args, "--storage-driver", d.storageDriver)
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}
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args = append(args, providedArgs...)
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d.cmd = exec.Command(dockerdBinary, args...)
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d.cmd.Env = append(os.Environ(), "DOCKER_SERVICE_PREFER_OFFLINE_IMAGE=1")
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d.cmd.Stdout = out
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d.cmd.Stderr = out
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d.logFile = out
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if err := d.cmd.Start(); err != nil {
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return errors.Errorf("[%s] could not start daemon container: %v", d.id, err)
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}
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wait := make(chan error)
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go func() {
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wait <- d.cmd.Wait()
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d.log.Logf("[%s] exiting daemon", d.id)
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close(wait)
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}()
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d.Wait = wait
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tick := time.Tick(500 * time.Millisecond)
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// make sure daemon is ready to receive requests
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startTime := time.Now().Unix()
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for {
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d.log.Logf("[%s] waiting for daemon to start", d.id)
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if time.Now().Unix()-startTime > 5 {
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// After 5 seconds, give up
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return errors.Errorf("[%s] Daemon exited and never started", d.id)
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}
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select {
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case <-time.After(2 * time.Second):
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return errors.Errorf("[%s] timeout: daemon does not respond", d.id)
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case <-tick:
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clientConfig, err := d.getClientConfig()
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if err != nil {
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return err
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}
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client := &http.Client{
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Transport: clientConfig.transport,
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}
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req, err := http.NewRequest("GET", "/_ping", nil)
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if err != nil {
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return errors.Wrapf(err, "[%s] could not create new request", d.id)
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}
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req.URL.Host = clientConfig.addr
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req.URL.Scheme = clientConfig.scheme
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resp, err := client.Do(req)
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if err != nil {
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continue
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}
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resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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d.log.Logf("[%s] received status != 200 OK: %s\n", d.id, resp.Status)
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}
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d.log.Logf("[%s] daemon started\n", d.id)
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d.Root, err = d.queryRootDir()
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if err != nil {
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return errors.Errorf("[%s] error querying daemon for root directory: %v", d.id, err)
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}
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return nil
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case <-d.Wait:
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return errors.Errorf("[%s] Daemon exited during startup", d.id)
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}
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}
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}
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// StartWithBusybox will first start the daemon with Daemon.Start()
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// then save the busybox image from the main daemon and load it into this Daemon instance.
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func (d *Daemon) StartWithBusybox(t testingT, arg ...string) {
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2018-04-18 11:16:55 -04:00
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if ht, ok := t.(test.HelperT); ok {
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ht.Helper()
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}
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2018-04-10 10:29:48 -04:00
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d.Start(t, arg...)
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d.LoadBusybox(t)
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}
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// Kill will send a SIGKILL to the daemon
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func (d *Daemon) Kill() error {
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if d.cmd == nil || d.Wait == nil {
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return errDaemonNotStarted
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}
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defer func() {
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d.logFile.Close()
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d.cmd = nil
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}()
|
|
|
|
|
|
|
|
if err := d.cmd.Process.Kill(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
return os.Remove(fmt.Sprintf("%s/docker.pid", d.Folder))
|
|
|
|
}
|
|
|
|
|
|
|
|
// Pid returns the pid of the daemon
|
|
|
|
func (d *Daemon) Pid() int {
|
|
|
|
return d.cmd.Process.Pid
|
|
|
|
}
|
|
|
|
|
|
|
|
// Interrupt stops the daemon by sending it an Interrupt signal
|
|
|
|
func (d *Daemon) Interrupt() error {
|
|
|
|
return d.Signal(os.Interrupt)
|
|
|
|
}
|
|
|
|
|
|
|
|
// Signal sends the specified signal to the daemon if running
|
|
|
|
func (d *Daemon) Signal(signal os.Signal) error {
|
|
|
|
if d.cmd == nil || d.Wait == nil {
|
|
|
|
return errDaemonNotStarted
|
|
|
|
}
|
|
|
|
return d.cmd.Process.Signal(signal)
|
|
|
|
}
|
|
|
|
|
|
|
|
// DumpStackAndQuit sends SIGQUIT to the daemon, which triggers it to dump its
|
|
|
|
// stack to its log file and exit
|
|
|
|
// This is used primarily for gathering debug information on test timeout
|
|
|
|
func (d *Daemon) DumpStackAndQuit() {
|
|
|
|
if d.cmd == nil || d.cmd.Process == nil {
|
|
|
|
return
|
|
|
|
}
|
|
|
|
SignalDaemonDump(d.cmd.Process.Pid)
|
|
|
|
}
|
|
|
|
|
|
|
|
// Stop will send a SIGINT every second and wait for the daemon to stop.
|
|
|
|
// If it times out, a SIGKILL is sent.
|
|
|
|
// Stop will not delete the daemon directory. If a purged daemon is needed,
|
|
|
|
// instantiate a new one with NewDaemon.
|
|
|
|
// If an error occurs while starting the daemon, the test will fail.
|
|
|
|
func (d *Daemon) Stop(t testingT) {
|
2018-04-18 11:16:55 -04:00
|
|
|
if ht, ok := t.(test.HelperT); ok {
|
|
|
|
ht.Helper()
|
|
|
|
}
|
2018-04-10 10:29:48 -04:00
|
|
|
err := d.StopWithError()
|
|
|
|
if err != nil {
|
|
|
|
if err != errDaemonNotStarted {
|
|
|
|
t.Fatalf("Error while stopping the daemon %s : %v", d.id, err)
|
|
|
|
} else {
|
|
|
|
t.Logf("Daemon %s is not started", d.id)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// StopWithError will send a SIGINT every second and wait for the daemon to stop.
|
|
|
|
// If it timeouts, a SIGKILL is sent.
|
|
|
|
// Stop will not delete the daemon directory. If a purged daemon is needed,
|
|
|
|
// instantiate a new one with NewDaemon.
|
|
|
|
func (d *Daemon) StopWithError() error {
|
|
|
|
if d.cmd == nil || d.Wait == nil {
|
|
|
|
return errDaemonNotStarted
|
|
|
|
}
|
|
|
|
|
|
|
|
defer func() {
|
|
|
|
d.logFile.Close()
|
|
|
|
d.cmd = nil
|
|
|
|
}()
|
|
|
|
|
|
|
|
i := 1
|
|
|
|
tick := time.Tick(time.Second)
|
|
|
|
|
|
|
|
if err := d.cmd.Process.Signal(os.Interrupt); err != nil {
|
|
|
|
if strings.Contains(err.Error(), "os: process already finished") {
|
|
|
|
return errDaemonNotStarted
|
|
|
|
}
|
|
|
|
return errors.Errorf("could not send signal: %v", err)
|
|
|
|
}
|
|
|
|
out1:
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case err := <-d.Wait:
|
|
|
|
return err
|
|
|
|
case <-time.After(20 * time.Second):
|
|
|
|
// time for stopping jobs and run onShutdown hooks
|
|
|
|
d.log.Logf("[%s] daemon started", d.id)
|
|
|
|
break out1
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
out2:
|
|
|
|
for {
|
|
|
|
select {
|
|
|
|
case err := <-d.Wait:
|
|
|
|
return err
|
|
|
|
case <-tick:
|
|
|
|
i++
|
|
|
|
if i > 5 {
|
|
|
|
d.log.Logf("tried to interrupt daemon for %d times, now try to kill it", i)
|
|
|
|
break out2
|
|
|
|
}
|
|
|
|
d.log.Logf("Attempt #%d: daemon is still running with pid %d", i, d.cmd.Process.Pid)
|
|
|
|
if err := d.cmd.Process.Signal(os.Interrupt); err != nil {
|
|
|
|
return errors.Errorf("could not send signal: %v", err)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := d.cmd.Process.Kill(); err != nil {
|
|
|
|
d.log.Logf("Could not kill daemon: %v", err)
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
|
|
|
|
d.cmd.Wait()
|
|
|
|
|
|
|
|
return os.Remove(fmt.Sprintf("%s/docker.pid", d.Folder))
|
|
|
|
}
|
|
|
|
|
|
|
|
// Restart will restart the daemon by first stopping it and the starting it.
|
|
|
|
// If an error occurs while starting the daemon, the test will fail.
|
|
|
|
func (d *Daemon) Restart(t testingT, args ...string) {
|
2018-04-18 11:16:55 -04:00
|
|
|
if ht, ok := t.(test.HelperT); ok {
|
|
|
|
ht.Helper()
|
|
|
|
}
|
2018-04-10 10:29:48 -04:00
|
|
|
d.Stop(t)
|
|
|
|
d.Start(t, args...)
|
|
|
|
}
|
|
|
|
|
|
|
|
// RestartWithError will restart the daemon by first stopping it and then starting it.
|
|
|
|
func (d *Daemon) RestartWithError(arg ...string) error {
|
|
|
|
if err := d.StopWithError(); err != nil {
|
|
|
|
return err
|
|
|
|
}
|
|
|
|
return d.StartWithError(arg...)
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d *Daemon) handleUserns() {
|
|
|
|
// in the case of tests running a user namespace-enabled daemon, we have resolved
|
|
|
|
// d.Root to be the actual final path of the graph dir after the "uid.gid" of
|
|
|
|
// remapped root is added--we need to subtract it from the path before calling
|
|
|
|
// start or else we will continue making subdirectories rather than truly restarting
|
|
|
|
// with the same location/root:
|
|
|
|
if root := os.Getenv("DOCKER_REMAP_ROOT"); root != "" {
|
|
|
|
d.Root = filepath.Dir(d.Root)
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
// ReloadConfig asks the daemon to reload its configuration
|
|
|
|
func (d *Daemon) ReloadConfig() error {
|
|
|
|
if d.cmd == nil || d.cmd.Process == nil {
|
|
|
|
return errors.New("daemon is not running")
|
|
|
|
}
|
|
|
|
|
|
|
|
errCh := make(chan error)
|
|
|
|
started := make(chan struct{})
|
|
|
|
go func() {
|
2018-04-17 04:22:04 -04:00
|
|
|
_, body, err := request.Get("/events", request.Host(d.Sock()))
|
2018-04-10 10:29:48 -04:00
|
|
|
close(started)
|
|
|
|
if err != nil {
|
|
|
|
errCh <- err
|
|
|
|
}
|
|
|
|
defer body.Close()
|
|
|
|
dec := json.NewDecoder(body)
|
|
|
|
for {
|
|
|
|
var e events.Message
|
|
|
|
if err := dec.Decode(&e); err != nil {
|
|
|
|
errCh <- err
|
|
|
|
return
|
|
|
|
}
|
|
|
|
if e.Type != events.DaemonEventType {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
if e.Action != "reload" {
|
|
|
|
continue
|
|
|
|
}
|
|
|
|
close(errCh) // notify that we are done
|
|
|
|
return
|
|
|
|
}
|
|
|
|
}()
|
|
|
|
|
|
|
|
<-started
|
|
|
|
if err := signalDaemonReload(d.cmd.Process.Pid); err != nil {
|
|
|
|
return errors.Errorf("error signaling daemon reload: %v", err)
|
|
|
|
}
|
|
|
|
select {
|
|
|
|
case err := <-errCh:
|
|
|
|
if err != nil {
|
|
|
|
return errors.Errorf("error waiting for daemon reload event: %v", err)
|
|
|
|
}
|
|
|
|
case <-time.After(30 * time.Second):
|
|
|
|
return errors.New("timeout waiting for daemon reload event")
|
|
|
|
}
|
|
|
|
return nil
|
|
|
|
}
|
|
|
|
|
|
|
|
// LoadBusybox image into the daemon
|
|
|
|
func (d *Daemon) LoadBusybox(t assert.TestingT) {
|
2018-04-18 11:16:55 -04:00
|
|
|
if ht, ok := t.(test.HelperT); ok {
|
|
|
|
ht.Helper()
|
|
|
|
}
|
2018-04-10 10:29:48 -04:00
|
|
|
clientHost, err := client.NewEnvClient()
|
|
|
|
assert.NilError(t, err, "failed to create client")
|
|
|
|
defer clientHost.Close()
|
|
|
|
|
|
|
|
ctx := context.Background()
|
|
|
|
reader, err := clientHost.ImageSave(ctx, []string{"busybox:latest"})
|
|
|
|
assert.NilError(t, err, "failed to download busybox")
|
|
|
|
defer reader.Close()
|
|
|
|
|
|
|
|
client, err := d.NewClient()
|
|
|
|
assert.NilError(t, err, "failed to create client")
|
|
|
|
defer client.Close()
|
|
|
|
|
|
|
|
resp, err := client.ImageLoad(ctx, reader, true)
|
|
|
|
assert.NilError(t, err, "failed to load busybox")
|
|
|
|
defer resp.Body.Close()
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d *Daemon) getClientConfig() (*clientConfig, error) {
|
|
|
|
var (
|
|
|
|
transport *http.Transport
|
|
|
|
scheme string
|
|
|
|
addr string
|
|
|
|
proto string
|
|
|
|
)
|
|
|
|
if d.UseDefaultTLSHost {
|
|
|
|
option := &tlsconfig.Options{
|
|
|
|
CAFile: "fixtures/https/ca.pem",
|
|
|
|
CertFile: "fixtures/https/client-cert.pem",
|
|
|
|
KeyFile: "fixtures/https/client-key.pem",
|
|
|
|
}
|
|
|
|
tlsConfig, err := tlsconfig.Client(*option)
|
|
|
|
if err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
transport = &http.Transport{
|
|
|
|
TLSClientConfig: tlsConfig,
|
|
|
|
}
|
|
|
|
addr = fmt.Sprintf("%s:%d", opts.DefaultHTTPHost, opts.DefaultTLSHTTPPort)
|
|
|
|
scheme = "https"
|
|
|
|
proto = "tcp"
|
|
|
|
} else if d.UseDefaultHost {
|
|
|
|
addr = opts.DefaultUnixSocket
|
|
|
|
proto = "unix"
|
|
|
|
scheme = "http"
|
|
|
|
transport = &http.Transport{}
|
|
|
|
} else {
|
|
|
|
addr = d.sockPath()
|
|
|
|
proto = "unix"
|
|
|
|
scheme = "http"
|
|
|
|
transport = &http.Transport{}
|
|
|
|
}
|
|
|
|
|
|
|
|
if err := sockets.ConfigureTransport(transport, proto, addr); err != nil {
|
|
|
|
return nil, err
|
|
|
|
}
|
|
|
|
transport.DisableKeepAlives = true
|
|
|
|
|
|
|
|
return &clientConfig{
|
|
|
|
transport: transport,
|
|
|
|
scheme: scheme,
|
|
|
|
addr: addr,
|
|
|
|
}, nil
|
|
|
|
}
|
|
|
|
|
|
|
|
func (d *Daemon) queryRootDir() (string, error) {
|
|
|
|
// update daemon root by asking /info endpoint (to support user
|
|
|
|
// namespaced daemon with root remapped uid.gid directory)
|
|
|
|
clientConfig, err := d.getClientConfig()
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
|
|
|
client := &http.Client{
|
|
|
|
Transport: clientConfig.transport,
|
|
|
|
}
|
|
|
|
|
|
|
|
req, err := http.NewRequest("GET", "/info", nil)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
req.Header.Set("Content-Type", "application/json")
|
|
|
|
req.URL.Host = clientConfig.addr
|
|
|
|
req.URL.Scheme = clientConfig.scheme
|
|
|
|
|
|
|
|
resp, err := client.Do(req)
|
|
|
|
if err != nil {
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
body := ioutils.NewReadCloserWrapper(resp.Body, func() error {
|
|
|
|
return resp.Body.Close()
|
|
|
|
})
|
|
|
|
|
|
|
|
type Info struct {
|
|
|
|
DockerRootDir string
|
|
|
|
}
|
|
|
|
var b []byte
|
|
|
|
var i Info
|
|
|
|
b, err = request.ReadBody(body)
|
|
|
|
if err == nil && resp.StatusCode == http.StatusOK {
|
|
|
|
// read the docker root dir
|
|
|
|
if err = json.Unmarshal(b, &i); err == nil {
|
|
|
|
return i.DockerRootDir, nil
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return "", err
|
|
|
|
}
|
|
|
|
|
|
|
|
// Info returns the info struct for this daemon
|
|
|
|
func (d *Daemon) Info(t assert.TestingT) types.Info {
|
2018-04-18 11:16:55 -04:00
|
|
|
if ht, ok := t.(test.HelperT); ok {
|
|
|
|
ht.Helper()
|
|
|
|
}
|
2018-04-11 06:10:17 -04:00
|
|
|
apiclient, err := d.NewClient()
|
2018-04-10 10:29:48 -04:00
|
|
|
assert.NilError(t, err)
|
|
|
|
info, err := apiclient.Info(context.Background())
|
|
|
|
assert.NilError(t, err)
|
|
|
|
return info
|
|
|
|
}
|
2018-04-18 10:45:55 -04:00
|
|
|
|
|
|
|
func cleanupRaftDir(t testingT, rootPath string) {
|
2018-04-18 11:16:55 -04:00
|
|
|
if ht, ok := t.(test.HelperT); ok {
|
|
|
|
ht.Helper()
|
|
|
|
}
|
2018-04-18 10:45:55 -04:00
|
|
|
walDir := filepath.Join(rootPath, "swarm/raft/wal")
|
|
|
|
if err := os.RemoveAll(walDir); err != nil {
|
|
|
|
t.Logf("error removing %v: %v", walDir, err)
|
|
|
|
}
|
|
|
|
}
|