1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/daemon/cluster/convert/container.go
Vincent Demeester e401b88e59
Add support for init on services
It's already supported by `swarmkit`, and act the same as
`HostConfig.Init` on container creation.

Signed-off-by: Vincent Demeester <vincent@sbr.pm>
2018-06-07 14:17:55 +02:00

398 lines
11 KiB
Go

package convert // import "github.com/docker/docker/daemon/cluster/convert"
import (
"errors"
"fmt"
"strings"
"github.com/docker/docker/api/types/container"
mounttypes "github.com/docker/docker/api/types/mount"
types "github.com/docker/docker/api/types/swarm"
swarmapi "github.com/docker/swarmkit/api"
gogotypes "github.com/gogo/protobuf/types"
"github.com/sirupsen/logrus"
)
func containerSpecFromGRPC(c *swarmapi.ContainerSpec) *types.ContainerSpec {
if c == nil {
return nil
}
containerSpec := &types.ContainerSpec{
Image: c.Image,
Labels: c.Labels,
Command: c.Command,
Args: c.Args,
Hostname: c.Hostname,
Env: c.Env,
Dir: c.Dir,
User: c.User,
Groups: c.Groups,
StopSignal: c.StopSignal,
TTY: c.TTY,
OpenStdin: c.OpenStdin,
ReadOnly: c.ReadOnly,
Hosts: c.Hosts,
Secrets: secretReferencesFromGRPC(c.Secrets),
Configs: configReferencesFromGRPC(c.Configs),
Isolation: IsolationFromGRPC(c.Isolation),
Init: initFromGRPC(c.Init),
}
if c.DNSConfig != nil {
containerSpec.DNSConfig = &types.DNSConfig{
Nameservers: c.DNSConfig.Nameservers,
Search: c.DNSConfig.Search,
Options: c.DNSConfig.Options,
}
}
// Privileges
if c.Privileges != nil {
containerSpec.Privileges = &types.Privileges{}
if c.Privileges.CredentialSpec != nil {
containerSpec.Privileges.CredentialSpec = &types.CredentialSpec{}
switch c.Privileges.CredentialSpec.Source.(type) {
case *swarmapi.Privileges_CredentialSpec_File:
containerSpec.Privileges.CredentialSpec.File = c.Privileges.CredentialSpec.GetFile()
case *swarmapi.Privileges_CredentialSpec_Registry:
containerSpec.Privileges.CredentialSpec.Registry = c.Privileges.CredentialSpec.GetRegistry()
}
}
if c.Privileges.SELinuxContext != nil {
containerSpec.Privileges.SELinuxContext = &types.SELinuxContext{
Disable: c.Privileges.SELinuxContext.Disable,
User: c.Privileges.SELinuxContext.User,
Type: c.Privileges.SELinuxContext.Type,
Role: c.Privileges.SELinuxContext.Role,
Level: c.Privileges.SELinuxContext.Level,
}
}
}
// Mounts
for _, m := range c.Mounts {
mount := mounttypes.Mount{
Target: m.Target,
Source: m.Source,
Type: mounttypes.Type(strings.ToLower(swarmapi.Mount_MountType_name[int32(m.Type)])),
ReadOnly: m.ReadOnly,
}
if m.BindOptions != nil {
mount.BindOptions = &mounttypes.BindOptions{
Propagation: mounttypes.Propagation(strings.ToLower(swarmapi.Mount_BindOptions_MountPropagation_name[int32(m.BindOptions.Propagation)])),
}
}
if m.VolumeOptions != nil {
mount.VolumeOptions = &mounttypes.VolumeOptions{
NoCopy: m.VolumeOptions.NoCopy,
Labels: m.VolumeOptions.Labels,
}
if m.VolumeOptions.DriverConfig != nil {
mount.VolumeOptions.DriverConfig = &mounttypes.Driver{
Name: m.VolumeOptions.DriverConfig.Name,
Options: m.VolumeOptions.DriverConfig.Options,
}
}
}
if m.TmpfsOptions != nil {
mount.TmpfsOptions = &mounttypes.TmpfsOptions{
SizeBytes: m.TmpfsOptions.SizeBytes,
Mode: m.TmpfsOptions.Mode,
}
}
containerSpec.Mounts = append(containerSpec.Mounts, mount)
}
if c.StopGracePeriod != nil {
grace, _ := gogotypes.DurationFromProto(c.StopGracePeriod)
containerSpec.StopGracePeriod = &grace
}
if c.Healthcheck != nil {
containerSpec.Healthcheck = healthConfigFromGRPC(c.Healthcheck)
}
return containerSpec
}
func initFromGRPC(v *gogotypes.BoolValue) *bool {
if v == nil {
return nil
}
value := v.GetValue()
return &value
}
func initToGRPC(v *bool) *gogotypes.BoolValue {
if v == nil {
return nil
}
return &gogotypes.BoolValue{Value: *v}
}
func secretReferencesToGRPC(sr []*types.SecretReference) []*swarmapi.SecretReference {
refs := make([]*swarmapi.SecretReference, 0, len(sr))
for _, s := range sr {
ref := &swarmapi.SecretReference{
SecretID: s.SecretID,
SecretName: s.SecretName,
}
if s.File != nil {
ref.Target = &swarmapi.SecretReference_File{
File: &swarmapi.FileTarget{
Name: s.File.Name,
UID: s.File.UID,
GID: s.File.GID,
Mode: s.File.Mode,
},
}
}
refs = append(refs, ref)
}
return refs
}
func secretReferencesFromGRPC(sr []*swarmapi.SecretReference) []*types.SecretReference {
refs := make([]*types.SecretReference, 0, len(sr))
for _, s := range sr {
target := s.GetFile()
if target == nil {
// not a file target
logrus.Warnf("secret target not a file: secret=%s", s.SecretID)
continue
}
refs = append(refs, &types.SecretReference{
File: &types.SecretReferenceFileTarget{
Name: target.Name,
UID: target.UID,
GID: target.GID,
Mode: target.Mode,
},
SecretID: s.SecretID,
SecretName: s.SecretName,
})
}
return refs
}
func configReferencesToGRPC(sr []*types.ConfigReference) []*swarmapi.ConfigReference {
refs := make([]*swarmapi.ConfigReference, 0, len(sr))
for _, s := range sr {
ref := &swarmapi.ConfigReference{
ConfigID: s.ConfigID,
ConfigName: s.ConfigName,
}
if s.File != nil {
ref.Target = &swarmapi.ConfigReference_File{
File: &swarmapi.FileTarget{
Name: s.File.Name,
UID: s.File.UID,
GID: s.File.GID,
Mode: s.File.Mode,
},
}
}
refs = append(refs, ref)
}
return refs
}
func configReferencesFromGRPC(sr []*swarmapi.ConfigReference) []*types.ConfigReference {
refs := make([]*types.ConfigReference, 0, len(sr))
for _, s := range sr {
target := s.GetFile()
if target == nil {
// not a file target
logrus.Warnf("config target not a file: config=%s", s.ConfigID)
continue
}
refs = append(refs, &types.ConfigReference{
File: &types.ConfigReferenceFileTarget{
Name: target.Name,
UID: target.UID,
GID: target.GID,
Mode: target.Mode,
},
ConfigID: s.ConfigID,
ConfigName: s.ConfigName,
})
}
return refs
}
func containerToGRPC(c *types.ContainerSpec) (*swarmapi.ContainerSpec, error) {
containerSpec := &swarmapi.ContainerSpec{
Image: c.Image,
Labels: c.Labels,
Command: c.Command,
Args: c.Args,
Hostname: c.Hostname,
Env: c.Env,
Dir: c.Dir,
User: c.User,
Groups: c.Groups,
StopSignal: c.StopSignal,
TTY: c.TTY,
OpenStdin: c.OpenStdin,
ReadOnly: c.ReadOnly,
Hosts: c.Hosts,
Secrets: secretReferencesToGRPC(c.Secrets),
Configs: configReferencesToGRPC(c.Configs),
Isolation: isolationToGRPC(c.Isolation),
Init: initToGRPC(c.Init),
}
if c.DNSConfig != nil {
containerSpec.DNSConfig = &swarmapi.ContainerSpec_DNSConfig{
Nameservers: c.DNSConfig.Nameservers,
Search: c.DNSConfig.Search,
Options: c.DNSConfig.Options,
}
}
if c.StopGracePeriod != nil {
containerSpec.StopGracePeriod = gogotypes.DurationProto(*c.StopGracePeriod)
}
// Privileges
if c.Privileges != nil {
containerSpec.Privileges = &swarmapi.Privileges{}
if c.Privileges.CredentialSpec != nil {
containerSpec.Privileges.CredentialSpec = &swarmapi.Privileges_CredentialSpec{}
if c.Privileges.CredentialSpec.File != "" && c.Privileges.CredentialSpec.Registry != "" {
return nil, errors.New("cannot specify both \"file\" and \"registry\" credential specs")
}
if c.Privileges.CredentialSpec.File != "" {
containerSpec.Privileges.CredentialSpec.Source = &swarmapi.Privileges_CredentialSpec_File{
File: c.Privileges.CredentialSpec.File,
}
} else if c.Privileges.CredentialSpec.Registry != "" {
containerSpec.Privileges.CredentialSpec.Source = &swarmapi.Privileges_CredentialSpec_Registry{
Registry: c.Privileges.CredentialSpec.Registry,
}
} else {
return nil, errors.New("must either provide \"file\" or \"registry\" for credential spec")
}
}
if c.Privileges.SELinuxContext != nil {
containerSpec.Privileges.SELinuxContext = &swarmapi.Privileges_SELinuxContext{
Disable: c.Privileges.SELinuxContext.Disable,
User: c.Privileges.SELinuxContext.User,
Type: c.Privileges.SELinuxContext.Type,
Role: c.Privileges.SELinuxContext.Role,
Level: c.Privileges.SELinuxContext.Level,
}
}
}
// Mounts
for _, m := range c.Mounts {
mount := swarmapi.Mount{
Target: m.Target,
Source: m.Source,
ReadOnly: m.ReadOnly,
}
if mountType, ok := swarmapi.Mount_MountType_value[strings.ToUpper(string(m.Type))]; ok {
mount.Type = swarmapi.Mount_MountType(mountType)
} else if string(m.Type) != "" {
return nil, fmt.Errorf("invalid MountType: %q", m.Type)
}
if m.BindOptions != nil {
if mountPropagation, ok := swarmapi.Mount_BindOptions_MountPropagation_value[strings.ToUpper(string(m.BindOptions.Propagation))]; ok {
mount.BindOptions = &swarmapi.Mount_BindOptions{Propagation: swarmapi.Mount_BindOptions_MountPropagation(mountPropagation)}
} else if string(m.BindOptions.Propagation) != "" {
return nil, fmt.Errorf("invalid MountPropagation: %q", m.BindOptions.Propagation)
}
}
if m.VolumeOptions != nil {
mount.VolumeOptions = &swarmapi.Mount_VolumeOptions{
NoCopy: m.VolumeOptions.NoCopy,
Labels: m.VolumeOptions.Labels,
}
if m.VolumeOptions.DriverConfig != nil {
mount.VolumeOptions.DriverConfig = &swarmapi.Driver{
Name: m.VolumeOptions.DriverConfig.Name,
Options: m.VolumeOptions.DriverConfig.Options,
}
}
}
if m.TmpfsOptions != nil {
mount.TmpfsOptions = &swarmapi.Mount_TmpfsOptions{
SizeBytes: m.TmpfsOptions.SizeBytes,
Mode: m.TmpfsOptions.Mode,
}
}
containerSpec.Mounts = append(containerSpec.Mounts, mount)
}
if c.Healthcheck != nil {
containerSpec.Healthcheck = healthConfigToGRPC(c.Healthcheck)
}
return containerSpec, nil
}
func healthConfigFromGRPC(h *swarmapi.HealthConfig) *container.HealthConfig {
interval, _ := gogotypes.DurationFromProto(h.Interval)
timeout, _ := gogotypes.DurationFromProto(h.Timeout)
startPeriod, _ := gogotypes.DurationFromProto(h.StartPeriod)
return &container.HealthConfig{
Test: h.Test,
Interval: interval,
Timeout: timeout,
Retries: int(h.Retries),
StartPeriod: startPeriod,
}
}
func healthConfigToGRPC(h *container.HealthConfig) *swarmapi.HealthConfig {
return &swarmapi.HealthConfig{
Test: h.Test,
Interval: gogotypes.DurationProto(h.Interval),
Timeout: gogotypes.DurationProto(h.Timeout),
Retries: int32(h.Retries),
StartPeriod: gogotypes.DurationProto(h.StartPeriod),
}
}
// IsolationFromGRPC converts a swarm api container isolation to a moby isolation representation
func IsolationFromGRPC(i swarmapi.ContainerSpec_Isolation) container.Isolation {
switch i {
case swarmapi.ContainerIsolationHyperV:
return container.IsolationHyperV
case swarmapi.ContainerIsolationProcess:
return container.IsolationProcess
case swarmapi.ContainerIsolationDefault:
return container.IsolationDefault
}
return container.IsolationEmpty
}
func isolationToGRPC(i container.Isolation) swarmapi.ContainerSpec_Isolation {
if i.IsHyperV() {
return swarmapi.ContainerIsolationHyperV
}
if i.IsProcess() {
return swarmapi.ContainerIsolationProcess
}
return swarmapi.ContainerIsolationDefault
}