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manager.go
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manager.go
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// Copyright 2022 The envd 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 home
import (
"sync"
"github.com/cockroachdb/errors"
"github.com/sirupsen/logrus"
sshconfig "github.com/tensorchord/envd/pkg/ssh/config"
"github.com/tensorchord/envd/pkg/types"
)
type Manager interface {
configManager
contextManager
cacheManager
dataManager
authManager
}
type generalManager struct {
cacheDir string
cacheStatusFile string
configFile string
contextFile string
authFile string
// TODO(gaocegege): Abstract CacheManager.
cacheMap map[string]bool
context types.EnvdContext
auth types.EnvdAuth
logger *logrus.Entry
}
var (
defaultManager *generalManager
once sync.Once
)
func Initialize() error {
once.Do(func() {
defaultManager = &generalManager{
cacheMap: make(map[string]bool),
context: types.EnvdContext{
Current: "default",
Contexts: []types.Context{
{
Name: "default",
Builder: types.BuilderTypeDocker,
BuilderSocket: "envd_buildkitd",
},
},
},
}
})
return defaultManager.init()
}
func GetManager() Manager {
return defaultManager
}
func (m *generalManager) init() error {
if err := m.initConfig(); err != nil {
return errors.Wrap(err, "failed to initialize config")
}
if err := m.initContext(); err != nil {
return errors.Wrap(err, "failed to initialize context")
}
if err := m.initCache(); err != nil {
return errors.Wrap(err, "failed to initialize cache")
}
if err := m.initAuth(); err != nil {
return errors.Wrap(err, "failed to initialize auth")
}
if err := sshconfig.GenerateKeys(); err != nil {
return errors.Wrap(err, "failed to generate ssh key")
}
m.logger = logrus.WithFields(logrus.Fields{
"cache-dir": m.cacheDir,
"config-file": m.configFile,
"cache-status": m.cacheStatusFile,
"context-file": m.contextFile,
"cache-map": m.cacheMap,
"context": m.context,
})
m.logger.Debug("home manager initialized")
return nil
}