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-rw-r--r--libpod/config/config.go166
-rw-r--r--libpod/config/config_test.go16
-rw-r--r--libpod/config/merge.go183
-rw-r--r--libpod/config/merge_test.go157
4 files changed, 99 insertions, 423 deletions
diff --git a/libpod/config/config.go b/libpod/config/config.go
index 13c128688..c72a0efc7 100644
--- a/libpod/config/config.go
+++ b/libpod/config/config.go
@@ -2,7 +2,7 @@ package config
import (
"bytes"
- "io/ioutil"
+ "fmt"
"os"
"os/exec"
"path/filepath"
@@ -287,18 +287,16 @@ 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)
+// 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.DecodeFile(path, config)
if err != nil {
- return nil, err
+ return nil, fmt.Errorf("unable to decode configuration %v: %v", path, err)
}
- logrus.Debugf("Reading configuration file %q", path)
- err = toml.Unmarshal(configBytes, &config)
-
// 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
// fields are NOT set in the config here but in the storage.conf OR directly
@@ -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.
@@ -456,44 +450,45 @@ 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)
- }
- 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")
+ // 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)
+ }
}
- // 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")
+ // 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
+ }
+ }
}
+ // 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
// uses a different working directory than we do, for example.
@@ -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
}
diff --git a/libpod/config/config_test.go b/libpod/config/config_test.go
index 47c092440..24620ce0e 100644
--- a/libpod/config/config_test.go
+++ b/libpod/config/config_test.go
@@ -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)
}
diff --git a/libpod/config/merge.go b/libpod/config/merge.go
deleted file mode 100644
index 798a63da7..000000000
--- a/libpod/config/merge.go
+++ /dev/null
@@ -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
-}
diff --git a/libpod/config/merge_test.go b/libpod/config/merge_test.go
deleted file mode 100644
index eb450b273..000000000
--- a/libpod/config/merge_test.go
+++ /dev/null
@@ -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)
- }
-}