mirror of https://github.com/containers/podman.git
libpod/config: use built-in TOML instead of manually merging
Instead of manually merging the configs, use the built-in features of TOMP to merge/extend the fields of a data type when encoding a file. This erases the need for the merge code in libpod/config and also addresses issues when merging booleans. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
parent
1bed53b02c
commit
b7b9f8d0cf
|
@ -2,7 +2,7 @@ package config
|
|||
|
||||
import (
|
||||
"bytes"
|
||||
"io/ioutil"
|
||||
"fmt"
|
||||
"os"
|
||||
"os/exec"
|
||||
"path/filepath"
|
||||
|
@ -287,17 +287,15 @@ type DBConfig struct {
|
|||
}
|
||||
|
||||
// readConfigFromFile reads the specified config file at `path` and attempts to
|
||||
// unmarshal its content into a Config.
|
||||
func readConfigFromFile(path string) (*Config, error) {
|
||||
var config Config
|
||||
|
||||
configBytes, err := ioutil.ReadFile(path)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// unmarshal its content into a Config. The config param specifies the previous
|
||||
// default config. If the path, only specifies a few fields in the Toml file
|
||||
// the defaults from the config parameter will be used for all other fields.
|
||||
func readConfigFromFile(path string, config *Config) (*Config, error) {
|
||||
logrus.Debugf("Reading configuration file %q", path)
|
||||
err = toml.Unmarshal(configBytes, &config)
|
||||
_, err := toml.DecodeFile(path, config)
|
||||
if err != nil {
|
||||
return nil, fmt.Errorf("unable to decode configuration %v: %v", path, err)
|
||||
}
|
||||
|
||||
// For the sake of backwards compat we need to check if the config fields
|
||||
// with *Set suffix are set in the config. Note that the storage-related
|
||||
|
@ -313,7 +311,7 @@ func readConfigFromFile(path string) (*Config, error) {
|
|||
config.TmpDirSet = true
|
||||
}
|
||||
|
||||
return &config, err
|
||||
return config, err
|
||||
}
|
||||
|
||||
// Write decodes the config as TOML and writes it to the specified path.
|
||||
|
@ -439,15 +437,11 @@ func probeConmon(conmonBinary string) error {
|
|||
// with cgroupsv2. Other OCI runtimes are not yet supporting cgroupsv2. This
|
||||
// might change in the future.
|
||||
func NewConfig(userConfigPath string) (*Config, error) {
|
||||
config := &Config{} // start with an empty config
|
||||
|
||||
// First, try to read the user-specified config
|
||||
if userConfigPath != "" {
|
||||
var err error
|
||||
config, err = readConfigFromFile(userConfigPath)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "error reading user config %q", userConfigPath)
|
||||
}
|
||||
// Start with the default config and interatively merge fields in the system
|
||||
// configs.
|
||||
config, err := defaultConfigFromMemory()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// Now, check if the user can access system configs and merge them if needed.
|
||||
|
@ -456,43 +450,44 @@ func NewConfig(userConfigPath string) (*Config, error) {
|
|||
return nil, errors.Wrapf(err, "error finding config on system")
|
||||
}
|
||||
|
||||
migrated := false
|
||||
for _, path := range configs {
|
||||
systemConfig, err := readConfigFromFile(path)
|
||||
config, err = readConfigFromFile(path, config)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "error reading system config %q", path)
|
||||
}
|
||||
// Handle CGroups v2 configuration migration.
|
||||
// Migrate only the first config, and do it before
|
||||
// merging.
|
||||
if !migrated {
|
||||
if err := cgroupV2Check(path, systemConfig); err != nil {
|
||||
return nil, errors.Wrapf(err, "error rewriting configuration file %s", userConfigPath)
|
||||
}
|
||||
|
||||
// First, try to read the user-specified config
|
||||
if userConfigPath != "" {
|
||||
var err error
|
||||
config, err = readConfigFromFile(userConfigPath, config)
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "error reading user config %q", userConfigPath)
|
||||
}
|
||||
}
|
||||
|
||||
// Since runc does not currently support cgroupV2
|
||||
// Change to default crun on first running of libpod.conf
|
||||
// TODO Once runc has support for cgroups, this function should be removed.
|
||||
if !config.CgroupCheck && rootless.IsRootless() {
|
||||
cgroupsV2, err := cgroups.IsCgroup2UnifiedMode()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if cgroupsV2 {
|
||||
path, err := exec.LookPath("crun")
|
||||
if err != nil {
|
||||
// Can't find crun path so do nothing
|
||||
logrus.Warnf("Can not find crun package on the host, containers might fail to run on cgroup V2 systems without crun: %q", err)
|
||||
} else {
|
||||
config.CgroupCheck = true
|
||||
config.OCIRuntime = path
|
||||
}
|
||||
migrated = true
|
||||
}
|
||||
// Merge the it into the config. Any unset field in config will be
|
||||
// over-written by the systemConfig.
|
||||
if err := config.mergeConfig(systemConfig); err != nil {
|
||||
return nil, errors.Wrapf(err, "error merging system config")
|
||||
}
|
||||
logrus.Debugf("Merged system config %q: %v", path, config)
|
||||
}
|
||||
|
||||
// Finally, create a default config from memory and forcefully merge it into
|
||||
// the config. This way we try to make sure that all fields are properly set
|
||||
// and that user AND system config can partially set.
|
||||
defaultConfig, err := defaultConfigFromMemory()
|
||||
if err != nil {
|
||||
return nil, errors.Wrapf(err, "error generating default config from memory")
|
||||
}
|
||||
|
||||
// Check if we need to switch to cgroupfs and logger=file on rootless.
|
||||
defaultConfig.checkCgroupsAndLogger()
|
||||
|
||||
if err := config.mergeConfig(defaultConfig); err != nil {
|
||||
return nil, errors.Wrapf(err, "error merging default config from memory")
|
||||
}
|
||||
// If we need to, switch to cgroupfs and logger=file on rootless.
|
||||
config.checkCgroupsAndLogger()
|
||||
|
||||
// Relative paths can cause nasty bugs, because core paths we use could
|
||||
// shift between runs (or even parts of the program - the OCI runtime
|
||||
|
@ -532,12 +527,12 @@ func systemConfigs() ([]string, error) {
|
|||
}
|
||||
|
||||
configs := []string{}
|
||||
if _, err := os.Stat(_rootOverrideConfigPath); err == nil {
|
||||
configs = append(configs, _rootOverrideConfigPath)
|
||||
}
|
||||
if _, err := os.Stat(_rootConfigPath); err == nil {
|
||||
configs = append(configs, _rootConfigPath)
|
||||
}
|
||||
if _, err := os.Stat(_rootOverrideConfigPath); err == nil {
|
||||
configs = append(configs, _rootOverrideConfigPath)
|
||||
}
|
||||
return configs, nil
|
||||
}
|
||||
|
||||
|
@ -568,29 +563,56 @@ func (c *Config) checkCgroupsAndLogger() {
|
|||
}
|
||||
}
|
||||
|
||||
// Since runc does not currently support cgroupV2
|
||||
// Change to default crun on first running of libpod.conf
|
||||
// TODO Once runc has support for cgroups, this function should be removed.
|
||||
func cgroupV2Check(configPath string, tmpConfig *Config) error {
|
||||
if !tmpConfig.CgroupCheck && rootless.IsRootless() {
|
||||
logrus.Debugf("Rewriting %s for CGroup v2 upgrade", configPath)
|
||||
cgroupsV2, err := cgroups.IsCgroup2UnifiedMode()
|
||||
if err != nil {
|
||||
return err
|
||||
// MergeDBConfig merges the configuration from the database.
|
||||
func (c *Config) MergeDBConfig(dbConfig *DBConfig) error {
|
||||
|
||||
if !c.StorageConfigRunRootSet && dbConfig.StorageTmp != "" {
|
||||
if c.StorageConfig.RunRoot != dbConfig.StorageTmp &&
|
||||
c.StorageConfig.RunRoot != "" {
|
||||
logrus.Debugf("Overriding run root %q with %q from database",
|
||||
c.StorageConfig.RunRoot, dbConfig.StorageTmp)
|
||||
}
|
||||
if cgroupsV2 {
|
||||
path, err := exec.LookPath("crun")
|
||||
if err != nil {
|
||||
logrus.Warnf("Can not find crun package on the host, containers might fail to run on cgroup V2 systems without crun: %q", err)
|
||||
// Can't find crun path so do nothing
|
||||
return nil
|
||||
}
|
||||
tmpConfig.CgroupCheck = true
|
||||
tmpConfig.OCIRuntime = path
|
||||
if err := tmpConfig.Write(configPath); err != nil {
|
||||
return err
|
||||
}
|
||||
c.StorageConfig.RunRoot = dbConfig.StorageTmp
|
||||
}
|
||||
|
||||
if !c.StorageConfigGraphRootSet && dbConfig.StorageRoot != "" {
|
||||
if c.StorageConfig.GraphRoot != dbConfig.StorageRoot &&
|
||||
c.StorageConfig.GraphRoot != "" {
|
||||
logrus.Debugf("Overriding graph root %q with %q from database",
|
||||
c.StorageConfig.GraphRoot, dbConfig.StorageRoot)
|
||||
}
|
||||
c.StorageConfig.GraphRoot = dbConfig.StorageRoot
|
||||
}
|
||||
|
||||
if !c.StorageConfigGraphDriverNameSet && dbConfig.GraphDriver != "" {
|
||||
if c.StorageConfig.GraphDriverName != dbConfig.GraphDriver &&
|
||||
c.StorageConfig.GraphDriverName != "" {
|
||||
logrus.Errorf("User-selected graph driver %q overwritten by graph driver %q from database - delete libpod local files to resolve",
|
||||
c.StorageConfig.GraphDriverName, dbConfig.GraphDriver)
|
||||
}
|
||||
c.StorageConfig.GraphDriverName = dbConfig.GraphDriver
|
||||
}
|
||||
|
||||
if !c.StaticDirSet && dbConfig.LibpodRoot != "" {
|
||||
if c.StaticDir != dbConfig.LibpodRoot && c.StaticDir != "" {
|
||||
logrus.Debugf("Overriding static dir %q with %q from database", c.StaticDir, dbConfig.LibpodRoot)
|
||||
}
|
||||
c.StaticDir = dbConfig.LibpodRoot
|
||||
}
|
||||
|
||||
if !c.TmpDirSet && dbConfig.LibpodTmp != "" {
|
||||
if c.TmpDir != dbConfig.LibpodTmp && c.TmpDir != "" {
|
||||
logrus.Debugf("Overriding tmp dir %q with %q from database", c.TmpDir, dbConfig.LibpodTmp)
|
||||
}
|
||||
c.TmpDir = dbConfig.LibpodTmp
|
||||
c.EventsLogFilePath = filepath.Join(dbConfig.LibpodTmp, "events", "events.log")
|
||||
}
|
||||
|
||||
if !c.VolumePathSet && dbConfig.VolumePath != "" {
|
||||
if c.VolumePath != dbConfig.VolumePath && c.VolumePath != "" {
|
||||
logrus.Debugf("Overriding volume path %q with %q from database", c.VolumePath, dbConfig.VolumePath)
|
||||
}
|
||||
c.VolumePath = dbConfig.VolumePath
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
|
|
@ -11,14 +11,14 @@ import (
|
|||
|
||||
func TestEmptyConfig(t *testing.T) {
|
||||
// Make sure that we can read empty configs
|
||||
config, err := readConfigFromFile("testdata/empty.conf")
|
||||
config, err := readConfigFromFile("testdata/empty.conf", &Config{})
|
||||
assert.NotNil(t, config)
|
||||
assert.Nil(t, err)
|
||||
}
|
||||
|
||||
func TestDefaultLibpodConf(t *testing.T) {
|
||||
// Make sure that we can read the default libpod.conf
|
||||
config, err := readConfigFromFile("testdata/libpod.conf")
|
||||
config, err := readConfigFromFile("testdata/libpod.conf", &Config{})
|
||||
assert.NotNil(t, config)
|
||||
assert.Nil(t, err)
|
||||
}
|
||||
|
@ -32,13 +32,10 @@ func TestMergeEmptyAndDefaultMemoryConfig(t *testing.T) {
|
|||
defaultConfig.StateType = define.InvalidStateStore
|
||||
defaultConfig.StorageConfig = storage.StoreOptions{}
|
||||
|
||||
emptyConfig, err := readConfigFromFile("testdata/empty.conf")
|
||||
emptyConfig, err := readConfigFromFile("testdata/empty.conf", defaultConfig)
|
||||
assert.NotNil(t, emptyConfig)
|
||||
assert.Nil(t, err)
|
||||
|
||||
err = emptyConfig.mergeConfig(defaultConfig)
|
||||
assert.Nil(t, err)
|
||||
|
||||
equal := reflect.DeepEqual(emptyConfig, defaultConfig)
|
||||
assert.True(t, equal)
|
||||
}
|
||||
|
@ -46,19 +43,16 @@ func TestMergeEmptyAndDefaultMemoryConfig(t *testing.T) {
|
|||
func TestMergeEmptyAndLibpodConfig(t *testing.T) {
|
||||
// Make sure that when we merge the default config into an empty one that we
|
||||
// effectively get the default config.
|
||||
libpodConfig, err := readConfigFromFile("testdata/libpod.conf")
|
||||
libpodConfig, err := readConfigFromFile("testdata/libpod.conf", &Config{})
|
||||
assert.NotNil(t, libpodConfig)
|
||||
assert.Nil(t, err)
|
||||
libpodConfig.StateType = define.InvalidStateStore
|
||||
libpodConfig.StorageConfig = storage.StoreOptions{}
|
||||
|
||||
emptyConfig, err := readConfigFromFile("testdata/empty.conf")
|
||||
emptyConfig, err := readConfigFromFile("testdata/empty.conf", libpodConfig)
|
||||
assert.NotNil(t, emptyConfig)
|
||||
assert.Nil(t, err)
|
||||
|
||||
err = emptyConfig.mergeConfig(libpodConfig)
|
||||
assert.Nil(t, err)
|
||||
|
||||
equal := reflect.DeepEqual(emptyConfig, libpodConfig)
|
||||
assert.True(t, equal)
|
||||
}
|
||||
|
|
|
@ -1,183 +0,0 @@
|
|||
package config
|
||||
|
||||
import (
|
||||
"path/filepath"
|
||||
|
||||
"github.com/containers/libpod/libpod/define"
|
||||
"github.com/sirupsen/logrus"
|
||||
)
|
||||
|
||||
// Merge merges the other config into the current one. Note that a field of the
|
||||
// other config is only merged when it's not already set in the current one.
|
||||
//
|
||||
// Note that the StateType and the StorageConfig will NOT be changed.
|
||||
func (c *Config) mergeConfig(other *Config) error {
|
||||
// strings
|
||||
c.CgroupManager = mergeStrings(c.CgroupManager, other.CgroupManager)
|
||||
c.CNIConfigDir = mergeStrings(c.CNIConfigDir, other.CNIConfigDir)
|
||||
c.CNIDefaultNetwork = mergeStrings(c.CNIDefaultNetwork, other.CNIDefaultNetwork)
|
||||
c.DefaultMountsFile = mergeStrings(c.DefaultMountsFile, other.DefaultMountsFile)
|
||||
c.DetachKeys = mergeStrings(c.DetachKeys, other.DetachKeys)
|
||||
c.EventsLogFilePath = mergeStrings(c.EventsLogFilePath, other.EventsLogFilePath)
|
||||
c.EventsLogger = mergeStrings(c.EventsLogger, other.EventsLogger)
|
||||
c.ImageDefaultTransport = mergeStrings(c.ImageDefaultTransport, other.ImageDefaultTransport)
|
||||
c.InfraCommand = mergeStrings(c.InfraCommand, other.InfraCommand)
|
||||
c.InfraImage = mergeStrings(c.InfraImage, other.InfraImage)
|
||||
c.InitPath = mergeStrings(c.InitPath, other.InitPath)
|
||||
c.LockType = mergeStrings(c.LockType, other.LockType)
|
||||
c.Namespace = mergeStrings(c.Namespace, other.Namespace)
|
||||
c.NetworkCmdPath = mergeStrings(c.NetworkCmdPath, other.NetworkCmdPath)
|
||||
c.OCIRuntime = mergeStrings(c.OCIRuntime, other.OCIRuntime)
|
||||
c.SignaturePolicyPath = mergeStrings(c.SignaturePolicyPath, other.SignaturePolicyPath)
|
||||
c.StaticDir = mergeStrings(c.StaticDir, other.StaticDir)
|
||||
c.TmpDir = mergeStrings(c.TmpDir, other.TmpDir)
|
||||
c.VolumePath = mergeStrings(c.VolumePath, other.VolumePath)
|
||||
|
||||
// string map of slices
|
||||
c.OCIRuntimes = mergeStringMaps(c.OCIRuntimes, other.OCIRuntimes)
|
||||
|
||||
// string slices
|
||||
c.CNIPluginDir = mergeStringSlices(c.CNIPluginDir, other.CNIPluginDir)
|
||||
c.ConmonEnvVars = mergeStringSlices(c.ConmonEnvVars, other.ConmonEnvVars)
|
||||
c.ConmonPath = mergeStringSlices(c.ConmonPath, other.ConmonPath)
|
||||
c.HooksDir = mergeStringSlices(c.HooksDir, other.HooksDir)
|
||||
c.RuntimePath = mergeStringSlices(c.RuntimePath, other.RuntimePath)
|
||||
c.RuntimeSupportsJSON = mergeStringSlices(c.RuntimeSupportsJSON, other.RuntimeSupportsJSON)
|
||||
c.RuntimeSupportsNoCgroups = mergeStringSlices(c.RuntimeSupportsNoCgroups, other.RuntimeSupportsNoCgroups)
|
||||
|
||||
// int64s
|
||||
c.MaxLogSize = mergeInt64s(c.MaxLogSize, other.MaxLogSize)
|
||||
|
||||
// uint32s
|
||||
c.NumLocks = mergeUint32s(c.NumLocks, other.NumLocks)
|
||||
|
||||
// bools
|
||||
c.EnableLabeling = mergeBools(c.EnableLabeling, other.EnableLabeling)
|
||||
c.EnablePortReservation = mergeBools(c.EnablePortReservation, other.EnablePortReservation)
|
||||
c.NoPivotRoot = mergeBools(c.NoPivotRoot, other.NoPivotRoot)
|
||||
c.SDNotify = mergeBools(c.SDNotify, other.SDNotify)
|
||||
|
||||
// state type
|
||||
if c.StateType == define.InvalidStateStore {
|
||||
c.StateType = other.StateType
|
||||
}
|
||||
|
||||
// store options - need to check all fields since some configs might only
|
||||
// set it partially
|
||||
c.StorageConfig.RunRoot = mergeStrings(c.StorageConfig.RunRoot, other.StorageConfig.RunRoot)
|
||||
c.StorageConfig.GraphRoot = mergeStrings(c.StorageConfig.GraphRoot, other.StorageConfig.GraphRoot)
|
||||
c.StorageConfig.GraphDriverName = mergeStrings(c.StorageConfig.GraphDriverName, other.StorageConfig.GraphDriverName)
|
||||
c.StorageConfig.GraphDriverOptions = mergeStringSlices(c.StorageConfig.GraphDriverOptions, other.StorageConfig.GraphDriverOptions)
|
||||
if c.StorageConfig.UIDMap == nil {
|
||||
c.StorageConfig.UIDMap = other.StorageConfig.UIDMap
|
||||
}
|
||||
if c.StorageConfig.GIDMap == nil {
|
||||
c.StorageConfig.GIDMap = other.StorageConfig.GIDMap
|
||||
}
|
||||
|
||||
// backwards compat *Set fields
|
||||
c.StorageConfigRunRootSet = mergeBools(c.StorageConfigRunRootSet, other.StorageConfigRunRootSet)
|
||||
c.StorageConfigGraphRootSet = mergeBools(c.StorageConfigGraphRootSet, other.StorageConfigGraphRootSet)
|
||||
c.StorageConfigGraphDriverNameSet = mergeBools(c.StorageConfigGraphDriverNameSet, other.StorageConfigGraphDriverNameSet)
|
||||
c.VolumePathSet = mergeBools(c.VolumePathSet, other.VolumePathSet)
|
||||
c.StaticDirSet = mergeBools(c.StaticDirSet, other.StaticDirSet)
|
||||
c.TmpDirSet = mergeBools(c.TmpDirSet, other.TmpDirSet)
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// MergeDBConfig merges the configuration from the database.
|
||||
func (c *Config) MergeDBConfig(dbConfig *DBConfig) error {
|
||||
|
||||
if !c.StorageConfigRunRootSet && dbConfig.StorageTmp != "" {
|
||||
if c.StorageConfig.RunRoot != dbConfig.StorageTmp &&
|
||||
c.StorageConfig.RunRoot != "" {
|
||||
logrus.Debugf("Overriding run root %q with %q from database",
|
||||
c.StorageConfig.RunRoot, dbConfig.StorageTmp)
|
||||
}
|
||||
c.StorageConfig.RunRoot = dbConfig.StorageTmp
|
||||
}
|
||||
|
||||
if !c.StorageConfigGraphRootSet && dbConfig.StorageRoot != "" {
|
||||
if c.StorageConfig.GraphRoot != dbConfig.StorageRoot &&
|
||||
c.StorageConfig.GraphRoot != "" {
|
||||
logrus.Debugf("Overriding graph root %q with %q from database",
|
||||
c.StorageConfig.GraphRoot, dbConfig.StorageRoot)
|
||||
}
|
||||
c.StorageConfig.GraphRoot = dbConfig.StorageRoot
|
||||
}
|
||||
|
||||
if !c.StorageConfigGraphDriverNameSet && dbConfig.GraphDriver != "" {
|
||||
if c.StorageConfig.GraphDriverName != dbConfig.GraphDriver &&
|
||||
c.StorageConfig.GraphDriverName != "" {
|
||||
logrus.Errorf("User-selected graph driver %q overwritten by graph driver %q from database - delete libpod local files to resolve",
|
||||
c.StorageConfig.GraphDriverName, dbConfig.GraphDriver)
|
||||
}
|
||||
c.StorageConfig.GraphDriverName = dbConfig.GraphDriver
|
||||
}
|
||||
|
||||
if !c.StaticDirSet && dbConfig.LibpodRoot != "" {
|
||||
if c.StaticDir != dbConfig.LibpodRoot && c.StaticDir != "" {
|
||||
logrus.Debugf("Overriding static dir %q with %q from database", c.StaticDir, dbConfig.LibpodRoot)
|
||||
}
|
||||
c.StaticDir = dbConfig.LibpodRoot
|
||||
}
|
||||
|
||||
if !c.TmpDirSet && dbConfig.LibpodTmp != "" {
|
||||
if c.TmpDir != dbConfig.LibpodTmp && c.TmpDir != "" {
|
||||
logrus.Debugf("Overriding tmp dir %q with %q from database", c.TmpDir, dbConfig.LibpodTmp)
|
||||
}
|
||||
c.TmpDir = dbConfig.LibpodTmp
|
||||
c.EventsLogFilePath = filepath.Join(dbConfig.LibpodTmp, "events", "events.log")
|
||||
}
|
||||
|
||||
if !c.VolumePathSet && dbConfig.VolumePath != "" {
|
||||
if c.VolumePath != dbConfig.VolumePath && c.VolumePath != "" {
|
||||
logrus.Debugf("Overriding volume path %q with %q from database", c.VolumePath, dbConfig.VolumePath)
|
||||
}
|
||||
c.VolumePath = dbConfig.VolumePath
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func mergeStrings(a, b string) string {
|
||||
if a == "" {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
func mergeStringSlices(a, b []string) []string {
|
||||
if len(a) == 0 && b != nil {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
func mergeStringMaps(a, b map[string][]string) map[string][]string {
|
||||
if len(a) == 0 && b != nil {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
func mergeInt64s(a, b int64) int64 {
|
||||
if a == 0 {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
func mergeUint32s(a, b uint32) uint32 {
|
||||
if a == 0 {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
func mergeBools(a, b bool) bool {
|
||||
if !a {
|
||||
return b
|
||||
}
|
||||
return a
|
||||
}
|
|
@ -1,157 +0,0 @@
|
|||
package config
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/stretchr/testify/assert"
|
||||
)
|
||||
|
||||
func TestMergeStrings(t *testing.T) {
|
||||
testData := []struct {
|
||||
a string
|
||||
b string
|
||||
res string
|
||||
}{
|
||||
{"", "", ""},
|
||||
{"a", "", "a"},
|
||||
{"a", "b", "a"},
|
||||
{"", "b", "b"},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeStrings(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMergeStringSlices(t *testing.T) {
|
||||
testData := []struct {
|
||||
a []string
|
||||
b []string
|
||||
res []string
|
||||
}{
|
||||
{
|
||||
nil, nil, nil,
|
||||
},
|
||||
{
|
||||
nil,
|
||||
[]string{},
|
||||
[]string{},
|
||||
},
|
||||
{
|
||||
[]string{},
|
||||
nil,
|
||||
[]string{},
|
||||
},
|
||||
{
|
||||
[]string{},
|
||||
[]string{},
|
||||
[]string{},
|
||||
},
|
||||
{
|
||||
[]string{"a"},
|
||||
[]string{},
|
||||
[]string{"a"},
|
||||
},
|
||||
{
|
||||
[]string{"a"},
|
||||
[]string{"b"},
|
||||
[]string{"a"},
|
||||
},
|
||||
{
|
||||
[]string{},
|
||||
[]string{"b"},
|
||||
[]string{"b"},
|
||||
},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeStringSlices(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMergeStringMaps(t *testing.T) {
|
||||
testData := []struct {
|
||||
a map[string][]string
|
||||
b map[string][]string
|
||||
res map[string][]string
|
||||
}{
|
||||
{
|
||||
nil, nil, nil,
|
||||
},
|
||||
{
|
||||
nil,
|
||||
map[string][]string{},
|
||||
map[string][]string{}},
|
||||
{
|
||||
map[string][]string{"a": {"a"}},
|
||||
nil,
|
||||
map[string][]string{"a": {"a"}},
|
||||
},
|
||||
{
|
||||
nil,
|
||||
map[string][]string{"b": {"b"}},
|
||||
map[string][]string{"b": {"b"}},
|
||||
},
|
||||
{
|
||||
map[string][]string{"a": {"a"}},
|
||||
map[string][]string{"b": {"b"}},
|
||||
map[string][]string{"a": {"a"}},
|
||||
},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeStringMaps(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMergeInts64(t *testing.T) {
|
||||
testData := []struct {
|
||||
a int64
|
||||
b int64
|
||||
res int64
|
||||
}{
|
||||
{int64(0), int64(0), int64(0)},
|
||||
{int64(1), int64(0), int64(1)},
|
||||
{int64(0), int64(1), int64(1)},
|
||||
{int64(2), int64(1), int64(2)},
|
||||
{int64(-1), int64(1), int64(-1)},
|
||||
{int64(0), int64(-1), int64(-1)},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeInt64s(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
||||
func TestMergeUint32(t *testing.T) {
|
||||
testData := []struct {
|
||||
a uint32
|
||||
b uint32
|
||||
res uint32
|
||||
}{
|
||||
{uint32(0), uint32(0), uint32(0)},
|
||||
{uint32(1), uint32(0), uint32(1)},
|
||||
{uint32(0), uint32(1), uint32(1)},
|
||||
{uint32(2), uint32(1), uint32(2)},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeUint32s(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
||||
|
||||
func TestMergeBools(t *testing.T) {
|
||||
testData := []struct {
|
||||
a bool
|
||||
b bool
|
||||
res bool
|
||||
}{
|
||||
{false, false, false},
|
||||
{true, false, true},
|
||||
{false, true, true},
|
||||
{true, true, true},
|
||||
}
|
||||
for _, data := range testData {
|
||||
res := mergeBools(data.a, data.b)
|
||||
assert.Equal(t, data.res, res)
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue