Use "docker-runc" as alias for the default runtime

This also moves the variable holding the default runtime name from the
engine-api repository into docker repository

Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
This commit is contained in:
Kenfe-Mickael Laventure 2016-06-20 12:14:27 -07:00
parent b2da02dc7e
commit 69af7d0d13
8 changed files with 32 additions and 29 deletions

View File

@ -14,7 +14,6 @@ import (
"github.com/docker/docker/pkg/discovery"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/registry"
"github.com/docker/engine-api/types"
"github.com/imdario/mergo"
)
@ -27,6 +26,9 @@ const (
// maximum number of uploads that
// may take place at a time for each push.
defaultMaxConcurrentUploads = 5
// stockRuntimeName is the reserved name/alias used to represent the
// OCI runtime being shipped with the docker daemon package.
stockRuntimeName = "runc"
)
const (
@ -426,12 +428,12 @@ func ValidateConfiguration(config *Config) error {
// validate that "default" runtime is not reset
if runtimes := config.GetAllRuntimes(); len(runtimes) > 0 {
if _, ok := runtimes[types.DefaultRuntimeName]; ok {
return fmt.Errorf("runtime name '%s' is reserved", types.DefaultRuntimeName)
if _, ok := runtimes[stockRuntimeName]; ok {
return fmt.Errorf("runtime name '%s' is reserved", stockRuntimeName)
}
}
if defaultRuntime := config.GetDefaultRuntimeName(); defaultRuntime != "" && defaultRuntime != types.DefaultRuntimeName {
if defaultRuntime := config.GetDefaultRuntimeName(); defaultRuntime != "" && defaultRuntime != stockRuntimeName {
runtimes := config.GetAllRuntimes()
if _, ok := runtimes[defaultRuntime]; !ok {
return fmt.Errorf("specified default runtime '%s' does not exist", defaultRuntime)

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@ -88,8 +88,8 @@ func (config *Config) InstallFlags(cmd *flag.FlagSet, usageFn func(string) strin
cmd.StringVar(&config.ContainerdAddr, []string{"-containerd"}, "", usageFn("Path to containerd socket"))
cmd.BoolVar(&config.LiveRestore, []string{"-live-restore"}, false, usageFn("Enable live restore of docker when containers are still running"))
config.Runtimes = make(map[string]types.Runtime)
cmd.Var(runconfigopts.NewNamedRuntimeOpt("runtimes", &config.Runtimes), []string{"-add-runtime"}, usageFn("Register an additional OCI compatible runtime"))
cmd.StringVar(&config.DefaultRuntime, []string{"-default-runtime"}, types.DefaultRuntimeName, usageFn("Default OCI runtime to be used"))
cmd.Var(runconfigopts.NewNamedRuntimeOpt("runtimes", &config.Runtimes, stockRuntimeName), []string{"-add-runtime"}, usageFn("Register an additional OCI compatible runtime"))
cmd.StringVar(&config.DefaultRuntime, []string{"-default-runtime"}, stockRuntimeName, usageFn("Default OCI runtime to be used"))
config.attachExperimentalFlags(cmd, usageFn)
}

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@ -50,7 +50,7 @@ func (config *Config) GetRuntime(name string) *types.Runtime {
// GetDefaultRuntimeName returns the current default runtime
func (config *Config) GetDefaultRuntimeName() string {
return types.DefaultRuntimeName
return stockRuntimeName
}
// GetAllRuntimes returns a copy of the runtimes map

View File

@ -532,7 +532,7 @@ func (daemon *Daemon) platformReload(config *Config, attributes *map[string]stri
if config.IsValueSet("runtimes") {
daemon.configStore.Runtimes = config.Runtimes
// Always set the default one
daemon.configStore.Runtimes[types.DefaultRuntimeName] = types.Runtime{Path: DefaultRuntimeBinary}
daemon.configStore.Runtimes[stockRuntimeName] = types.Runtime{Path: DefaultRuntimeBinary}
}
if config.DefaultRuntime != "" {
@ -574,12 +574,12 @@ func verifyDaemonSettings(config *Config) error {
}
if config.DefaultRuntime == "" {
config.DefaultRuntime = types.DefaultRuntimeName
config.DefaultRuntime = stockRuntimeName
}
if config.Runtimes == nil {
config.Runtimes = make(map[string]types.Runtime)
}
config.Runtimes[types.DefaultRuntimeName] = types.Runtime{Path: DefaultRuntimeBinary}
config.Runtimes[stockRuntimeName] = types.Runtime{Path: DefaultRuntimeBinary}
return nil
}

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@ -2409,7 +2409,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromConfigFile(c *check.C) {
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with default runtime explicitly
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with oci (same path as default) but keep it around
@ -2434,7 +2434,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromConfigFile(c *check.C) {
<-time.After(1 * time.Second)
// Run with default runtime
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with "oci"
@ -2451,8 +2451,8 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromConfigFile(c *check.C) {
config = `
{
"runtimes": {
"default": {
"path": "docker-runc"
"runc": {
"path": "my-runc"
}
}
}
@ -2463,7 +2463,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromConfigFile(c *check.C) {
<-time.After(1 * time.Second)
content, _ := ioutil.ReadFile(s.d.logFile.Name())
c.Assert(string(content), checker.Contains, `file configuration validation failed (runtime name 'default' is reserved)`)
c.Assert(string(content), checker.Contains, `file configuration validation failed (runtime name 'runc' is reserved)`)
// Check that we can select a default runtime
config = `
@ -2492,7 +2492,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromConfigFile(c *check.C) {
c.Assert(out, checker.Contains, "/usr/local/bin/vm-manager: no such file or directory")
// Run with default runtime explicitly
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
}
@ -2505,7 +2505,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromCommandLine(c *check.C) {
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with default runtime explicitly
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with oci (same path as default) but keep it around
@ -2523,7 +2523,7 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromCommandLine(c *check.C) {
c.Assert(err, check.IsNil)
// Run with default runtime
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
// Run with "oci"
@ -2538,11 +2538,11 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromCommandLine(c *check.C) {
// Check that we can't override the default runtime
s.d.Stop()
err = s.d.Start("--add-runtime", "default=docker-runc")
err = s.d.Start("--add-runtime", "runc=my-runc")
c.Assert(err, check.NotNil)
content, _ := ioutil.ReadFile(s.d.logFile.Name())
c.Assert(string(content), checker.Contains, `runtime name 'default' is reserved`)
c.Assert(string(content), checker.Contains, `runtime name 'runc' is reserved`)
// Check that we can select a default runtime
s.d.Stop()
@ -2554,6 +2554,6 @@ func (s *DockerDaemonSuite) TestRunWithRuntimeFromCommandLine(c *check.C) {
c.Assert(out, checker.Contains, "/usr/local/bin/vm-manager: no such file or directory")
// Run with default runtime explicitly
out, err = s.d.Cmd("run", "--rm", "--runtime=default", "busybox", "ls")
out, err = s.d.Cmd("run", "--rm", "--runtime=runc", "busybox", "ls")
c.Assert(err, check.IsNil, check.Commentf(out))
}

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@ -437,7 +437,7 @@ func (s *DockerDaemonSuite) TestDaemonEvents(c *check.C) {
out, err = s.d.Cmd("events", "--since=0", "--until", daemonUnixTime(c))
c.Assert(err, checker.IsNil)
c.Assert(out, checker.Contains, fmt.Sprintf("daemon reload %s (cluster-advertise=, cluster-store=, cluster-store-opts={}, debug=true, default-runtime=default, labels=[\"bar=foo\"], max-concurrent-downloads=1, max-concurrent-uploads=5, name=%s, runtimes=default:{docker-runc []})", daemonID, daemonName))
c.Assert(out, checker.Contains, fmt.Sprintf("daemon reload %s (cluster-advertise=, cluster-store=, cluster-store-opts={}, debug=true, default-runtime=runc, labels=[\"bar=foo\"], max-concurrent-downloads=1, max-concurrent-uploads=5, name=%s, runtimes=runc:{docker-runc []})", daemonID, daemonName))
}
func (s *DockerDaemonSuite) TestDaemonEventsWithFilters(c *check.C) {

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@ -36,7 +36,7 @@ func (s *DockerSuite) TestInfoEnsureSucceeds(c *check.C) {
}
if DaemonIsLinux.Condition() {
stringsToCheck = append(stringsToCheck, "Runtimes:", "Default Runtime: default")
stringsToCheck = append(stringsToCheck, "Runtimes:", "Default Runtime: runc")
}
if utils.ExperimentalBuild() {

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@ -9,16 +9,17 @@ import (
// RuntimeOpt defines a map of Runtimes
type RuntimeOpt struct {
name string
values *map[string]types.Runtime
name string
stockRuntimeName string
values *map[string]types.Runtime
}
// NewNamedRuntimeOpt creates a new RuntimeOpt
func NewNamedRuntimeOpt(name string, ref *map[string]types.Runtime) *RuntimeOpt {
func NewNamedRuntimeOpt(name string, ref *map[string]types.Runtime, stockRuntime string) *RuntimeOpt {
if ref == nil {
ref = &map[string]types.Runtime{}
}
return &RuntimeOpt{name: name, values: ref}
return &RuntimeOpt{name: name, values: ref, stockRuntimeName: stockRuntime}
}
// Name returns the name of the NamedListOpts in the configuration.
@ -40,8 +41,8 @@ func (o *RuntimeOpt) Set(val string) error {
}
parts[0] = strings.ToLower(parts[0])
if parts[0] == types.DefaultRuntimeName {
return fmt.Errorf("runtime name 'default' is reserved")
if parts[0] == o.stockRuntimeName {
return fmt.Errorf("runtime name '%s' is reserved", o.stockRuntimeName)
}
if _, ok := (*o.values)[parts[0]]; ok {