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package libnetwork
import (
"os"
"path/filepath"
"testing"
"github.com/docker/docker/libnetwork/config"
"github.com/docker/docker/libnetwork/datastore"
"github.com/docker/docker/libnetwork/netlabel"
"github.com/docker/docker/libnetwork/options"
"github.com/docker/libkv/store"
)
func testLocalBackend(t *testing.T, provider, url string, storeConfig *store.Config) {
cfgOptions := []config.Option{}
cfgOptions = append(cfgOptions, config.OptionLocalKVProvider(provider))
cfgOptions = append(cfgOptions, config.OptionLocalKVProviderURL(url))
cfgOptions = append(cfgOptions, config.OptionLocalKVProviderConfig(storeConfig))
driverOptions := options.Generic{}
genericOption := make(map[string]interface{})
genericOption[netlabel.GenericData] = driverOptions
cfgOptions = append(cfgOptions, config.OptionDriverConfig("host", genericOption))
ctrl, err := New(cfgOptions...)
if err != nil {
t.Fatalf("Error new controller: %v", err)
}
defer ctrl.Stop()
nw, err := ctrl.NewNetwork("host", "host", "")
if err != nil {
t.Fatalf("Error creating default \"host\" network: %v", err)
}
ep, err := nw.CreateEndpoint("newendpoint", []EndpointOption{}...)
if err != nil {
t.Fatalf("Error creating endpoint: %v", err)
}
store := ctrl.getStore().KVStore()
if exists, err := store.Exists(datastore.Key(datastore.NetworkKeyPrefix, nw.ID())); !exists || err != nil {
t.Fatalf("Network key should have been created.")
}
if exists, err := store.Exists(datastore.Key([]string{datastore.EndpointKeyPrefix, nw.ID(), ep.ID()}...)); !exists || err != nil {
t.Fatalf("Endpoint key should have been created.")
}
store.Close()
// test restore of local store
ctrl, err = New(cfgOptions...)
if err != nil {
t.Fatalf("Error creating controller: %v", err)
}
defer ctrl.Stop()
if _, err = ctrl.NetworkByID(nw.ID()); err != nil {
t.Fatalf("Error getting network %v", err)
}
}
// OptionBoltdbWithRandomDBFile function returns a random dir for local store backend
func OptionBoltdbWithRandomDBFile(t *testing.T) config.Option {
t.Helper()
tmp := filepath.Join(t.TempDir(), "bolt.db")
if err := os.WriteFile(tmp, nil, 0o600); err != nil {
t.Fatal(err)
}
return func(c *config.Config) {
config.OptionLocalKVProvider("boltdb")(c)
config.OptionLocalKVProviderURL(tmp)(c)
config.OptionLocalKVProviderConfig(&store.Config{Bucket: "testBackend"})(c)
}
}
func TestMultipleControllersWithSameStore(t *testing.T) {
cfgOptions := OptionBoltdbWithRandomDBFile(t)
ctrl1, err := New(cfgOptions)
if err != nil {
t.Fatalf("Error new controller: %v", err)
}
defer ctrl1.Stop()
// Use the same boltdb file without closing the previous controller
ctrl2, err := New(cfgOptions)
if err != nil {
t.Fatalf("Local store must support concurrent controllers")
}
ctrl2.Stop()
}
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