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moby--moby/daemon/config/config_linux_test.go
Brian Goff 7ccf750daa Allow switching Windows runtimes.
This adds support for 2 runtimes on Windows, one that uses the built-in
HCSv1 integration and another which uses containerd with the runhcs
shim.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2021-09-23 17:44:04 +00:00

202 lines
4.4 KiB
Go

package config // import "github.com/docker/docker/daemon/config"
import (
"testing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/opts"
units "github.com/docker/go-units"
"github.com/spf13/pflag"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/fs"
)
func TestGetConflictFreeConfiguration(t *testing.T) {
configFileData := `
{
"debug": true,
"default-ulimits": {
"nofile": {
"Name": "nofile",
"Hard": 2048,
"Soft": 1024
}
},
"log-opts": {
"tag": "test_tag"
}
}`
file := fs.NewFile(t, "docker-config", fs.WithContent(configFileData))
defer file.Remove()
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
var debug bool
flags.BoolVarP(&debug, "debug", "D", false, "")
flags.Var(opts.NewNamedUlimitOpt("default-ulimits", nil), "default-ulimit", "")
flags.Var(opts.NewNamedMapOpts("log-opts", nil, nil), "log-opt", "")
cc, err := getConflictFreeConfiguration(file.Path(), flags)
assert.NilError(t, err)
assert.Check(t, cc.Debug)
expectedUlimits := map[string]*units.Ulimit{
"nofile": {
Name: "nofile",
Hard: 2048,
Soft: 1024,
},
}
assert.Check(t, is.DeepEqual(expectedUlimits, cc.Ulimits))
}
func TestDaemonConfigurationMerge(t *testing.T) {
configFileData := `
{
"debug": true,
"default-ulimits": {
"nofile": {
"Name": "nofile",
"Hard": 2048,
"Soft": 1024
}
},
"log-opts": {
"tag": "test_tag"
}
}`
file := fs.NewFile(t, "docker-config", fs.WithContent(configFileData))
defer file.Remove()
c := &Config{
CommonConfig: CommonConfig{
AutoRestart: true,
LogConfig: LogConfig{
Type: "syslog",
Config: map[string]string{"tag": "test"},
},
},
}
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
var debug bool
flags.BoolVarP(&debug, "debug", "D", false, "")
flags.Var(opts.NewNamedUlimitOpt("default-ulimits", nil), "default-ulimit", "")
flags.Var(opts.NewNamedMapOpts("log-opts", nil, nil), "log-opt", "")
cc, err := MergeDaemonConfigurations(c, flags, file.Path())
assert.NilError(t, err)
assert.Check(t, cc.Debug)
assert.Check(t, cc.AutoRestart)
expectedLogConfig := LogConfig{
Type: "syslog",
Config: map[string]string{"tag": "test_tag"},
}
assert.Check(t, is.DeepEqual(expectedLogConfig, cc.LogConfig))
expectedUlimits := map[string]*units.Ulimit{
"nofile": {
Name: "nofile",
Hard: 2048,
Soft: 1024,
},
}
assert.Check(t, is.DeepEqual(expectedUlimits, cc.Ulimits))
}
func TestDaemonConfigurationMergeShmSize(t *testing.T) {
data := `{"default-shm-size": "1g"}`
file := fs.NewFile(t, "docker-config", fs.WithContent(data))
defer file.Remove()
c := &Config{}
flags := pflag.NewFlagSet("test", pflag.ContinueOnError)
shmSize := opts.MemBytes(DefaultShmSize)
flags.Var(&shmSize, "default-shm-size", "")
cc, err := MergeDaemonConfigurations(c, flags, file.Path())
assert.NilError(t, err)
expectedValue := 1 * 1024 * 1024 * 1024
assert.Check(t, is.Equal(int64(expectedValue), cc.ShmSize.Value()))
}
func TestUnixValidateConfigurationErrors(t *testing.T) {
testCases := []struct {
config *Config
}{
// Can't override the stock runtime
{
config: &Config{
Runtimes: map[string]types.Runtime{
StockRuntimeName: {},
},
},
},
// Default runtime should be present in runtimes
{
config: &Config{
Runtimes: map[string]types.Runtime{
"foo": {},
},
CommonConfig: CommonConfig{
DefaultRuntime: "bar",
},
},
},
}
for _, tc := range testCases {
err := Validate(tc.config)
if err == nil {
t.Fatalf("expected error, got nil for config %v", tc.config)
}
}
}
func TestUnixGetInitPath(t *testing.T) {
testCases := []struct {
config *Config
expectedInitPath string
}{
{
config: &Config{
InitPath: "some-init-path",
},
expectedInitPath: "some-init-path",
},
{
config: &Config{
DefaultInitBinary: "foo-init-bin",
},
expectedInitPath: "foo-init-bin",
},
{
config: &Config{
InitPath: "init-path-A",
DefaultInitBinary: "init-path-B",
},
expectedInitPath: "init-path-A",
},
{
config: &Config{},
expectedInitPath: "docker-init",
},
}
for _, tc := range testCases {
initPath := tc.config.GetInitPath()
if initPath != tc.expectedInitPath {
t.Fatalf("expected initPath to be %v, got %v", tc.expectedInitPath, initPath)
}
}
}