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Merge pull request #19092 from anusha-ragunathan/builder-rm-merge

Browse source 
Remove runconfig.Merge
This commit is contained in:
Tibor Vass 2016-01-05 15:21:24 -05:00
commit df9a3d1005
6 changed files with 163 additions and 170 deletions
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6
builder/dockerfile/dispatchers.go
View file

@ -24,7 +24,6 @@ import (
derr "github.com/docker/docker/errors"
"github.com/docker/docker/pkg/signal"
"github.com/docker/docker/pkg/system"
"github.com/docker/docker/runconfig"
runconfigopts "github.com/docker/docker/runconfig/opts"
"github.com/docker/go-connections/nat"
)
@ -317,7 +316,10 @@ func run(b *Builder, args []string, attributes map[string]bool, original string)
// stash the cmd
cmd := b.runConfig.Cmd
runconfig.Merge(b.runConfig, config)
if b.runConfig.Entrypoint.Len() == 0 && b.runConfig.Cmd.Len() == 0 {
b.runConfig.Cmd = config.Cmd
}
// stash the config environment
env := b.runConfig.Env

78
daemon/commit.go
View file

@ -8,6 +8,7 @@ import (
"time"
"github.com/docker/docker/api/types"
containertypes "github.com/docker/docker/api/types/container"
"github.com/docker/docker/container"
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/image"
@ -15,9 +16,82 @@ import (
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/ioutils"
"github.com/docker/docker/reference"
"github.com/docker/docker/runconfig"
"github.com/docker/go-connections/nat"
)
// merge merges two Config, the image container configuration (defaults values),
// and the user container configuration, either passed by the API or generated
// by the cli.
// It will mutate the specified user configuration (userConf) with the image
// configuration where the user configuration is incomplete.
func merge(userConf, imageConf *containertypes.Config) error {
if userConf.User == "" {
userConf.User = imageConf.User
}
if len(userConf.ExposedPorts) == 0 {
userConf.ExposedPorts = imageConf.ExposedPorts
} else if imageConf.ExposedPorts != nil {
if userConf.ExposedPorts == nil {
userConf.ExposedPorts = make(nat.PortSet)
}
for port := range imageConf.ExposedPorts {
if _, exists := userConf.ExposedPorts[port]; !exists {
userConf.ExposedPorts[port] = struct{}{}
}
}
}
if len(userConf.Env) == 0 {
userConf.Env = imageConf.Env
} else {
for _, imageEnv := range imageConf.Env {
found := false
imageEnvKey := strings.Split(imageEnv, "=")[0]
for _, userEnv := range userConf.Env {
userEnvKey := strings.Split(userEnv, "=")[0]
if imageEnvKey == userEnvKey {
found = true
break
}
}
if !found {
userConf.Env = append(userConf.Env, imageEnv)
}
}
}
if userConf.Labels == nil {
userConf.Labels = map[string]string{}
}
if imageConf.Labels != nil {
for l := range userConf.Labels {
imageConf.Labels[l] = userConf.Labels[l]
}
userConf.Labels = imageConf.Labels
}
if userConf.Entrypoint.Len() == 0 {
if userConf.Cmd.Len() == 0 {
userConf.Cmd = imageConf.Cmd
}
if userConf.Entrypoint == nil {
userConf.Entrypoint = imageConf.Entrypoint
}
}
if userConf.WorkingDir == "" {
userConf.WorkingDir = imageConf.WorkingDir
}
if len(userConf.Volumes) == 0 {
userConf.Volumes = imageConf.Volumes
} else {
for k, v := range imageConf.Volumes {
userConf.Volumes[k] = v
}
}
return nil
}
// Commit creates a new filesystem image from the current state of a container.
// The image can optionally be tagged into a repository.
func (daemon *Daemon) Commit(name string, c *types.ContainerCommitConfig) (string, error) {
@ -37,7 +111,7 @@ func (daemon *Daemon) Commit(name string, c *types.ContainerCommitConfig) (strin
}
if c.MergeConfigs {
if err := runconfig.Merge(c.Config, container.Config); err != nil {
if err := merge(c.Config, container.Config); err != nil {
return "", err
}
}

2
daemon/daemon.go
View file

@ -416,7 +416,7 @@ func (daemon *Daemon) restore() error {
func (daemon *Daemon) mergeAndVerifyConfig(config *containertypes.Config, img *image.Image) error {
if img != nil && img.Config != nil {
if err := runconfig.Merge(config, img.Config); err != nil {
if err := merge(config, img.Config); err != nil {
return err
}
}

82
daemon/daemon_test.go
View file

@ -15,6 +15,7 @@ import (
volumedrivers "github.com/docker/docker/volume/drivers"
"github.com/docker/docker/volume/local"
"github.com/docker/docker/volume/store"
"github.com/docker/go-connections/nat"
)
//
@ -310,3 +311,84 @@ func TestContainerInitDNS(t *testing.T) {
t.Fatal("Expected container DNSOptions to not be nil")
}
}
func newPortNoError(proto, port string) nat.Port {
p, _ := nat.NewPort(proto, port)
return p
}
func TestMerge(t *testing.T) {
volumesImage := make(map[string]struct{})
volumesImage["/test1"] = struct{}{}
volumesImage["/test2"] = struct{}{}
portsImage := make(nat.PortSet)
portsImage[newPortNoError("tcp", "1111")] = struct{}{}
portsImage[newPortNoError("tcp", "2222")] = struct{}{}
configImage := &containertypes.Config{
ExposedPorts: portsImage,
Env: []string{"VAR1=1", "VAR2=2"},
Volumes: volumesImage,
}
portsUser := make(nat.PortSet)
portsUser[newPortNoError("tcp", "2222")] = struct{}{}
portsUser[newPortNoError("tcp", "3333")] = struct{}{}
volumesUser := make(map[string]struct{})
volumesUser["/test3"] = struct{}{}
configUser := &containertypes.Config{
ExposedPorts: portsUser,
Env: []string{"VAR2=3", "VAR3=3"},
Volumes: volumesUser,
}
if err := merge(configUser, configImage); err != nil {
t.Error(err)
}
if len(configUser.ExposedPorts) != 3 {
t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
}
for portSpecs := range configUser.ExposedPorts {
if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs)
}
}
if len(configUser.Env) != 3 {
t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env))
}
for _, env := range configUser.Env {
if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
}
}
if len(configUser.Volumes) != 3 {
t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes))
}
for v := range configUser.Volumes {
if v != "/test1" && v != "/test2" && v != "/test3" {
t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v)
}
}
ports, _, err := nat.ParsePortSpecs([]string{"0000"})
if err != nil {
t.Error(err)
}
configImage2 := &containertypes.Config{
ExposedPorts: ports,
}
if err := merge(configUser, configImage2); err != nil {
t.Error(err)
}
if len(configUser.ExposedPorts) != 4 {
t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
}
for portSpecs := range configUser.ExposedPorts {
if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs)
}
}
}

81
runconfig/merge.go
View file

@ -1,81 +0,0 @@
package runconfig
import (
"strings"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-connections/nat"
)
// Merge merges two Config, the image container configuration (defaults values),
// and the user container configuration, either passed by the API or generated
// by the cli.
// It will mutate the specified user configuration (userConf) with the image
// configuration where the user configuration is incomplete.
func Merge(userConf, imageConf *container.Config) error {
if userConf.User == "" {
userConf.User = imageConf.User
}
if len(userConf.ExposedPorts) == 0 {
userConf.ExposedPorts = imageConf.ExposedPorts
} else if imageConf.ExposedPorts != nil {
if userConf.ExposedPorts == nil {
userConf.ExposedPorts = make(nat.PortSet)
}
for port := range imageConf.ExposedPorts {
if _, exists := userConf.ExposedPorts[port]; !exists {
userConf.ExposedPorts[port] = struct{}{}
}
}
}
if len(userConf.Env) == 0 {
userConf.Env = imageConf.Env
} else {
for _, imageEnv := range imageConf.Env {
found := false
imageEnvKey := strings.Split(imageEnv, "=")[0]
for _, userEnv := range userConf.Env {
userEnvKey := strings.Split(userEnv, "=")[0]
if imageEnvKey == userEnvKey {
found = true
break
}
}
if !found {
userConf.Env = append(userConf.Env, imageEnv)
}
}
}
if userConf.Labels == nil {
userConf.Labels = map[string]string{}
}
if imageConf.Labels != nil {
for l := range userConf.Labels {
imageConf.Labels[l] = userConf.Labels[l]
}
userConf.Labels = imageConf.Labels
}
if userConf.Entrypoint.Len() == 0 {
if userConf.Cmd.Len() == 0 {
userConf.Cmd = imageConf.Cmd
}
if userConf.Entrypoint == nil {
userConf.Entrypoint = imageConf.Entrypoint
}
}
if userConf.WorkingDir == "" {
userConf.WorkingDir = imageConf.WorkingDir
}
if len(userConf.Volumes) == 0 {
userConf.Volumes = imageConf.Volumes
} else {
for k, v := range imageConf.Volumes {
userConf.Volumes[k] = v
}
}
return nil
}

84
runconfig/merge_test.go
View file

@ -1,84 +0,0 @@
package runconfig
import (
"testing"
"github.com/docker/docker/api/types/container"
"github.com/docker/go-connections/nat"
)
func TestMerge(t *testing.T) {
volumesImage := make(map[string]struct{})
volumesImage["/test1"] = struct{}{}
volumesImage["/test2"] = struct{}{}
portsImage := make(nat.PortSet)
portsImage[newPortNoError("tcp", "1111")] = struct{}{}
portsImage[newPortNoError("tcp", "2222")] = struct{}{}
configImage := &container.Config{
ExposedPorts: portsImage,
Env: []string{"VAR1=1", "VAR2=2"},
Volumes: volumesImage,
}
portsUser := make(nat.PortSet)
portsUser[newPortNoError("tcp", "2222")] = struct{}{}
portsUser[newPortNoError("tcp", "3333")] = struct{}{}
volumesUser := make(map[string]struct{})
volumesUser["/test3"] = struct{}{}
configUser := &container.Config{
ExposedPorts: portsUser,
Env: []string{"VAR2=3", "VAR3=3"},
Volumes: volumesUser,
}
if err := Merge(configUser, configImage); err != nil {
t.Error(err)
}
if len(configUser.ExposedPorts) != 3 {
t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
}
for portSpecs := range configUser.ExposedPorts {
if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs)
}
}
if len(configUser.Env) != 3 {
t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env))
}
for _, env := range configUser.Env {
if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
}
}
if len(configUser.Volumes) != 3 {
t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes))
}
for v := range configUser.Volumes {
if v != "/test1" && v != "/test2" && v != "/test3" {
t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v)
}
}
ports, _, err := nat.ParsePortSpecs([]string{"0000"})
if err != nil {
t.Error(err)
}
configImage2 := &container.Config{
ExposedPorts: ports,
}
if err := Merge(configUser, configImage2); err != nil {
t.Error(err)
}
if len(configUser.ExposedPorts) != 4 {
t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
}
for portSpecs := range configUser.ExposedPorts {
if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs)
}
}
}