/
client.go
89 lines (75 loc) · 2.31 KB
/
client.go
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// Copyright Project Harbor Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package redis
import (
"errors"
"os"
"sync"
"github.com/go-redis/redis/v8"
"github.com/goharbor/harbor/src/lib/cache"
libredis "github.com/goharbor/harbor/src/lib/cache/redis"
"github.com/goharbor/harbor/src/lib/log"
)
var (
// registry is a global redis client for registry db
registry *redis.Client
registryOnce = &sync.Once{}
// harbor is a global redis client for harbor db
harbor *redis.Client
harborOnce = &sync.Once{}
)
// GetRegistryClient returns the registry redis client.
func GetRegistryClient() (*redis.Client, error) {
registryOnce.Do(func() {
url := os.Getenv("_REDIS_URL_REG")
c, err := libredis.New(cache.Options{Address: url})
if err != nil {
log.Errorf("failed to initialize redis client for registry, error: %v", err)
// reset the once to support retry if error occurred
registryOnce = &sync.Once{}
return
}
if c != nil {
registry = c.(*libredis.Cache).Client
}
})
if registry == nil {
return nil, errors.New("no registry redis client initialized")
}
return registry, nil
}
// GetHarborClient returns the harbor redis client.
func GetHarborClient() (*redis.Client, error) {
harborOnce.Do(func() {
// parse redis url for harbor business, use core url by default
url := os.Getenv("_REDIS_URL_HARBOR")
if url == "" {
url = os.Getenv("_REDIS_URL_CORE")
}
c, err := libredis.New(cache.Options{Address: url})
if err != nil {
log.Errorf("failed to initialize redis client for harbor, error: %v", err)
// reset the once to support retry if error occurred
harborOnce = &sync.Once{}
return
}
if c != nil {
harbor = c.(*libredis.Cache).Client
}
})
if harbor == nil {
return nil, errors.New("no harbor redis client initialized")
}
return harbor, nil
}