swarm/test: add integration test for 'swarm up' (#14353)

vendor/github.com/docker/docker/LICENSE

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+
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+
+   5. Submission of Contributions. Unless You explicitly state otherwise,
+      any Contribution intentionally submitted for inclusion in the Work
+      by You to the Licensor shall be under the terms and conditions of
+      this License, without any additional terms or conditions.
+      Notwithstanding the above, nothing herein shall supersede or modify
+      the terms of any separate license agreement you may have executed
+      with Licensor regarding such Contributions.
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+      PARTICULAR PURPOSE. You are solely responsible for determining the
+      appropriateness of using or redistributing the Work and assume any
+      risks associated with Your exercise of permissions under this License.
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+      whether in tort (including negligence), contract, or otherwise,
+      unless required by applicable law (such as deliberate and grossly
+      negligent acts) or agreed to in writing, shall any Contributor be
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+      other commercial damages or losses), even if such Contributor
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vendor/github.com/docker/docker/NOTICE

@@ -0,0 +1,19 @@
+Docker
+Copyright 2012-2017 Docker, Inc.
+
+This product includes software developed at Docker, Inc. (https://www.docker.com).
+
+This product contains software (https://github.com/kr/pty) developed
+by Keith Rarick, licensed under the MIT License.
+
+The following is courtesy of our legal counsel:
+
+
+Use and transfer of Docker may be subject to certain restrictions by the
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+It is your responsibility to ensure that your use and/or transfer does not
+violate applicable laws.
+
+For more information, please see https://www.bis.doc.gov
+
+See also https://www.apache.org/dev/crypto.html and/or seek legal counsel.

vendor/github.com/docker/docker/pkg/reexec/README.md

@@ -0,0 +1,5 @@
+# reexec
+
+The `reexec` package facilitates the busybox style reexec of the docker binary that we require because 
+of the forking limitations of using Go.  Handlers can be registered with a name and the argv 0 of 
+the exec of the binary will be used to find and execute custom init paths.

vendor/github.com/docker/docker/pkg/reexec/command_linux.go

@@ -0,0 +1,28 @@
+// +build linux
+
+package reexec
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+// Self returns the path to the current process's binary.
+// Returns "/proc/self/exe".
+func Self() string {
+	return "/proc/self/exe"
+}
+
+// Command returns *exec.Cmd which has Path as current binary. Also it setting
+// SysProcAttr.Pdeathsig to SIGTERM.
+// This will use the in-memory version (/proc/self/exe) of the current binary,
+// it is thus safe to delete or replace the on-disk binary (os.Args[0]).
+func Command(args ...string) *exec.Cmd {
+	return &exec.Cmd{
+		Path: Self(),
+		Args: args,
+		SysProcAttr: &syscall.SysProcAttr{
+			Pdeathsig: syscall.SIGTERM,
+		},
+	}
+}

vendor/github.com/docker/docker/pkg/reexec/command_unix.go

@@ -0,0 +1,23 @@
+// +build freebsd solaris darwin
+
+package reexec
+
+import (
+	"os/exec"
+)
+
+// Self returns the path to the current process's binary.
+// Uses os.Args[0].
+func Self() string {
+	return naiveSelf()
+}
+
+// Command returns *exec.Cmd which has Path as current binary.
+// For example if current binary is "docker" at "/usr/bin/", then cmd.Path will
+// be set to "/usr/bin/docker".
+func Command(args ...string) *exec.Cmd {
+	return &exec.Cmd{
+		Path: Self(),
+		Args: args,
+	}
+}

vendor/github.com/docker/docker/pkg/reexec/command_unsupported.go

@@ -0,0 +1,12 @@
+// +build !linux,!windows,!freebsd,!solaris,!darwin
+
+package reexec
+
+import (
+	"os/exec"
+)
+
+// Command is unsupported on operating systems apart from Linux, Windows, Solaris and Darwin.
+func Command(args ...string) *exec.Cmd {
+	return nil
+}

vendor/github.com/docker/docker/pkg/reexec/command_windows.go

@@ -0,0 +1,23 @@
+// +build windows
+
+package reexec
+
+import (
+	"os/exec"
+)
+
+// Self returns the path to the current process's binary.
+// Uses os.Args[0].
+func Self() string {
+	return naiveSelf()
+}
+
+// Command returns *exec.Cmd which has Path as current binary.
+// For example if current binary is "docker.exe" at "C:\", then cmd.Path will
+// be set to "C:\docker.exe".
+func Command(args ...string) *exec.Cmd {
+	return &exec.Cmd{
+		Path: Self(),
+		Args: args,
+	}
+}

vendor/github.com/docker/docker/pkg/reexec/reexec.go

@@ -0,0 +1,47 @@
+package reexec
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+	"path/filepath"
+)
+
+var registeredInitializers = make(map[string]func())
+
+// Register adds an initialization func under the specified name
+func Register(name string, initializer func()) {
+	if _, exists := registeredInitializers[name]; exists {
+		panic(fmt.Sprintf("reexec func already registered under name %q", name))
+	}
+
+	registeredInitializers[name] = initializer
+}
+
+// Init is called as the first part of the exec process and returns true if an
+// initialization function was called.
+func Init() bool {
+	initializer, exists := registeredInitializers[os.Args[0]]
+	if exists {
+		initializer()
+
+		return true
+	}
+	return false
+}
+
+func naiveSelf() string {
+	name := os.Args[0]
+	if filepath.Base(name) == name {
+		if lp, err := exec.LookPath(name); err == nil {
+			return lp
+		}
+	}
+	// handle conversion of relative paths to absolute
+	if absName, err := filepath.Abs(name); err == nil {
+		return absName
+	}
+	// if we couldn't get absolute name, return original
+	// (NOTE: Go only errors on Abs() if os.Getwd fails)
+	return name
+}

vendor/vendor.json

@@ -74,6 +74,12 @@
 			"revision": "2268707a8f0843315e2004ee4f1d021dc08baedf",
 			"revisionTime": "2017-02-01T22:58:49Z"
 		},
+		{
+			"checksumSHA1": "lutCa+IVM60R1OYBm9RtDAW50Ys=",
+			"path": "github.com/docker/docker/pkg/reexec",
+			"revision": "83ee902ecc3790c33c1e2d87334074436056bb49",
+			"revisionTime": "2017-04-22T21:51:12Z"
+		},
 		{
 			"checksumSHA1": "zYnPsNAVm1/ViwCkN++dX2JQhBo=",
 			"path": "github.com/edsrzf/mmap-go",