Copy docker client structs, adding yaml/json tags.

Use these in our v1beta1 package so that we can pass fuzz test encode/decode.

pkg/api/helper_test.go

@@ -24,6 +24,7 @@ import (
 	"testing"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
+	"github.com/fsouza/go-dockerclient"
 )
 
 var fuzzIters = flag.Int("fuzz_iters", 3, "How many fuzzing iterations to do.")
@@ -55,23 +56,28 @@ var apiObjectFuzzer = util.NewFuzzer(
 			intstr.StrVal = util.RandString()
 		}
 	},
-	func(p *PodInfo) {
-		// The docker container type doesn't survive fuzzing.
-		// TODO: fix this.
-		*p = nil
+	func(u64 *uint64) {
+		// TODO: uint64's are NOT handled right.
+		*u64 = util.RandUint64() >> 8
+	},
+	func(pb map[docker.Port][]docker.PortBinding) {
+		// This is necessary because keys with nil values get omitted.
+		// TODO: Is this a bug?
+		pb[docker.Port(util.RandString())] = []docker.PortBinding{
+			{util.RandString(), util.RandString()},
+			{util.RandString(), util.RandString()},
+		}
+	},
+	func(pm map[string]docker.PortMapping) {
+		// This is necessary because keys with nil values get omitted.
+		// TODO: Is this a bug?
+		pm[util.RandString()] = docker.PortMapping{
+			util.RandString(): util.RandString(),
+		}
 	},
 )
 
 func objDiff(a, b interface{}) string {
-
-	// An alternate diff attempt, in case json isn't showing you
-	// the difference. (reflect.DeepEqual makes a distinction between
-	// nil and empty slices, for example.)
-	return util.StringDiff(
-		fmt.Sprintf("%#v", a),
-		fmt.Sprintf("%#v", b),
-	)
-
 	ab, err := json.Marshal(a)
 	if err != nil {
 		panic("a")
@@ -81,6 +87,14 @@ func objDiff(a, b interface{}) string {
 		panic("b")
 	}
 	return util.StringDiff(string(ab), string(bb))
+
+	// An alternate diff attempt, in case json isn't showing you
+	// the difference. (reflect.DeepEqual makes a distinction between
+	// nil and empty slices, for example.)
+	return util.StringDiff(
+		fmt.Sprintf("%#v", a),
+		fmt.Sprintf("%#v", b),
+	)
 }
 
 func runTest(t *testing.T, source interface{}) {

pkg/api/v1beta1/types.go

@@ -19,7 +19,7 @@ package v1beta1
 import (
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/watch"
-	"github.com/fsouza/go-dockerclient"
+	"github.com/fsouza/go-dockerclient-copiedstructs"
 )
 
 // Common string formats
@@ -237,7 +237,8 @@ type PodState struct {
 	// The key of this map is the *name* of the container within the manifest; it has one
 	// entry per container in the manifest. The value of this map is currently the output
 	// of `docker inspect`. This output format is *not* final and should not be relied
-	// upon.
+	// upon. To allow marshalling/unmarshalling, we copied the client's structs and added
+	// json/yaml tags.
 	// TODO: Make real decisions about what our info should look like.
 	Info          PodInfo       `json:"info,omitempty" yaml:"info,omitempty"`
 	RestartPolicy RestartPolicy `json:"restartpolicy,omitempty" yaml:"restartpolicy,omitempty"`

pkg/util/fuzz.go

@@ -109,7 +109,7 @@ func (f *Fuzzer) doFuzz(v reflect.Value) {
 	case reflect.Map:
 		if rand.Intn(5) > 0 {
 			v.Set(reflect.MakeMap(v.Type()))
-			n := 1 + rand.Intn(10)
+			n := 1 + rand.Intn(2)
 			for i := 0; i < n; i++ {
 				key := reflect.New(v.Type().Key()).Elem()
 				f.doFuzz(key)
@@ -129,7 +129,7 @@ func (f *Fuzzer) doFuzz(v reflect.Value) {
 		v.Set(reflect.Zero(v.Type()))
 	case reflect.Slice:
 		if rand.Intn(5) > 0 {
-			n := 1 + rand.Intn(10)
+			n := 1 + rand.Intn(2)
 			v.Set(reflect.MakeSlice(v.Type(), n, n))
 			for i := 0; i < n; i++ {
 				f.doFuzz(v.Index(i))

third_party/src/github.com/fsouza/go-dockerclient-copiedstructs/container.go

@@ -0,0 +1,104 @@
+// Copyright 2014 go-dockerclient authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package docker
+
+import (
+	"time"
+)
+
+type Container struct {
+	ID      string    `yaml:"ID,omitempty" json:"ID,omitempty"`
+	Created time.Time `yaml:"Created,omitempty" json:"Created,omitempty"`
+	Path    string    `yaml:"Path,omitempty" json:"Path,omitempty"`
+	Args    []string  `yaml:"Args,omitempty" json:"Args,omitempty"`
+	Config  *Config   `yaml:"Config,omitempty" json:"Config,omitempty"`
+	State   State     `yaml:"State,omitempty" json:"State,omitempty"`
+	Image   string    `yaml:"Image,omitempty" json:"Image,omitempty"`
+
+	NetworkSettings *NetworkSettings `yaml:"NetworkSettings,omitempty" json:"NetworkSettings,omitempty"`
+
+	SysInitPath    string `yaml:"SysInitPath,omitempty" json:"SysInitPath,omitempty"`
+	ResolvConfPath string `yaml:"ResolvConfPath,omitempty" json:"ResolvConfPath,omitempty"`
+	HostnamePath   string `yaml:"HostnamePath,omitempty" json:"HostnamePath,omitempty"`
+	HostsPath      string `yaml:"HostsPath,omitempty" json:"HostsPath,omitempty"`
+	Name           string `yaml:"Name,omitempty" json:"Name,omitempty"`
+	Driver         string `yaml:"Driver,omitempty" json:"Driver,omitempty"`
+
+	Volumes    map[string]string `yaml:"Volumes,omitempty" json:"Volumes,omitempty"`
+	VolumesRW  map[string]bool   `yaml:"VolumesRW,omitempty" json:"VolumesRW,omitempty"`
+	HostConfig *HostConfig       `yaml:"HostConfig,omitempty" json:"HostConfig,omitempty"`
+}
+
+type Config struct {
+	Hostname        string              `yaml:"Hostname,omitempty" json:"Hostname,omitempty"`
+	Domainname      string              `yaml:"Domainname,omitempty" json:"Domainname,omitempty"`
+	User            string              `yaml:"User,omitempty" json:"User,omitempty"`
+	Memory          int64               `yaml:"Memory,omitempty" json:"Memory,omitempty"`
+	MemorySwap      int64               `yaml:"MemorySwap,omitempty" json:"MemorySwap,omitempty"`
+	CpuShares       int64               `yaml:"CpuShares,omitempty" json:"CpuShares,omitempty"`
+	AttachStdin     bool                `yaml:"AttachStdin,omitempty" json:"AttachStdin,omitempty"`
+	AttachStdout    bool                `yaml:"AttachStdout,omitempty" json:"AttachStdout,omitempty"`
+	AttachStderr    bool                `yaml:"AttachStderr,omitempty" json:"AttachStderr,omitempty"`
+	PortSpecs       []string            `yaml:"PortSpecs,omitempty" json:"PortSpecs,omitempty"`
+	ExposedPorts    map[Port]struct{}   `yaml:"ExposedPorts,omitempty" json:"ExposedPorts,omitempty"`
+	Tty             bool                `yaml:"Tty,omitempty" json:"Tty,omitempty"`
+	OpenStdin       bool                `yaml:"OpenStdin,omitempty" json:"OpenStdin,omitempty"`
+	StdinOnce       bool                `yaml:"StdinOnce,omitempty" json:"StdinOnce,omitempty"`
+	Env             []string            `yaml:"Env,omitempty" json:"Env,omitempty"`
+	Cmd             []string            `yaml:"Cmd,omitempty" json:"Cmd,omitempty"`
+	Dns             []string            `yaml:"Dns,omitempty" json:"Dns,omitempty"`
+	Image           string              `yaml:"Image,omitempty" json:"Image,omitempty"`
+	Volumes         map[string]struct{} `yaml:"Volumes,omitempty" json:"Volumes,omitempty"`
+	VolumesFrom     string              `yaml:"VolumesFrom,omitempty" json:"VolumesFrom,omitempty"`
+	WorkingDir      string              `yaml:"WorkingDir,omitempty" json:"WorkingDir,omitempty"`
+	Entrypoint      []string            `yaml:"Entrypoint,omitempty" json:"Entrypoint,omitempty"`
+	NetworkDisabled bool                `yaml:"NetworkDisabled,omitempty" json:"NetworkDisabled,omitempty"`
+}
+
+type State struct {
+	Running    bool      `yaml:"Running,omitempty" json:"Running,omitempty"`
+	Paused     bool      `yaml:"Paused,omitempty" json:"Paused,omitempty"`
+	Pid        int       `yaml:"Pid,omitempty" json:"Pid,omitempty"`
+	ExitCode   int       `yaml:"ExitCode,omitempty" json:"ExitCode,omitempty"`
+	StartedAt  time.Time `yaml:"StartedAt,omitempty" json:"StartedAt,omitempty"`
+	FinishedAt time.Time `yaml:"FinishedAt,omitempty" json:"FinishedAt,omitempty"`
+}
+
+type PortBinding struct {
+	HostIp   string `yaml:"HostIp,omitempty" json:"HostIp,omitempty"`
+	HostPort string `yaml:"HostPort,omitempty" json:"HostPort,omitempty"`
+}
+
+type PortMapping map[string]string
+
+type NetworkSettings struct {
+	IPAddress   string                 `yaml:"IPAddress,omitempty" json:"IPAddress,omitempty"`
+	IPPrefixLen int                    `yaml:"IPPrefixLen,omitempty" json:"IPPrefixLen,omitempty"`
+	Gateway     string                 `yaml:"Gateway,omitempty" json:"Gateway,omitempty"`
+	Bridge      string                 `yaml:"Bridge,omitempty" json:"Bridge,omitempty"`
+	PortMapping map[string]PortMapping `yaml:"PortMapping,omitempty" json:"PortMapping,omitempty"`
+	Ports       map[Port][]PortBinding `yaml:"Ports,omitempty" json:"Ports,omitempty"`
+}
+
+type KeyValuePair struct {
+	Key   string `yaml:"Key,omitempty" json:"Key,omitempty"`
+	Value string `yaml:"Value,omitempty" json:"Value,omitempty"`
+}
+
+type Port string
+
+type HostConfig struct {
+	Binds           []string               `yaml:"Binds,omitempty" json:"Binds,omitempty"`
+	ContainerIDFile string                 `yaml:"ContainerIDFile,omitempty" json:"ContainerIDFile,omitempty"`
+	LxcConf         []KeyValuePair         `yaml:"LxcConf,omitempty" json:"LxcConf,omitempty"`
+	Privileged      bool                   `yaml:"Privileged,omitempty" json:"Privileged,omitempty"`
+	PortBindings    map[Port][]PortBinding `yaml:"PortBindings,omitempty" json:"PortBindings,omitempty"`
+	Links           []string               `yaml:"Links,omitempty" json:"Links,omitempty"`
+	PublishAllPorts bool                   `yaml:"PublishAllPorts,omitempty" json:"PublishAllPorts,omitempty"`
+	Dns             []string               `yaml:"Dns,omitempty" json:"Dns,omitempty"`
+	DnsSearch       []string               `yaml:"DnsSearch,omitempty" json:"DnsSearch,omitempty"`
+	VolumesFrom     []string               `yaml:"VolumesFrom,omitempty" json:"VolumesFrom,omitempty"`
+	NetworkMode     string                 `yaml:"NetworkMode,omitempty" json:"NetworkMode,omitempty"`
+}