/
mongo.go
203 lines (176 loc) · 4.43 KB
/
mongo.go
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package api
import (
"context"
baseapi "github.com/labring/laf/tests/api"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
const mongoYaml = `
---
kind: Service
apiVersion: v1
metadata:
name: mongo
namespace: ${namespace}
spec:
# clusterIP: None
selector:
app: mongo
type: NodePort
ports:
- port: 27017
targetPort: 27017
nodePort: 30017
### This mongodb ONLY work for demo purpose, you should config your own volume for production use!
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: mongo
namespace: ${namespace}
labels:
app: mongo
spec:
replicas: 1
selector:
matchLabels:
app: mongo
serviceName: "mongo"
template:
metadata:
labels:
app: mongo
spec:
terminationGracePeriodSeconds: 1
containers:
- image: docker.io/mongo:latest
name: mongo
env:
- name: MONGO_INITDB_ROOT_USERNAME
value: root
- name: MONGO_INITDB_ROOT_PASSWORD
value: password123
ports:
- containerPort: 27017
volumeMounts:
- mountPath: /data/db
name: data
volumes:
- name: data
emptyDir: {}
restartPolicy: Always
`
func InstallMongoDb(namespace string) {
params := map[string]string{
"namespace": namespace,
}
_, err := baseapi.KubeApplyFromTemplate(mongoYaml, params)
if err != nil {
panic(err)
}
_, err = baseapi.Exec("kubectl wait --for=condition=ready pod -l app=mongo --timeout=300s -n " + namespace)
if err != nil {
panic(err)
}
//port-forward
go func() {
_, err = baseapi.Exec("kubectl port-forward service/mongo 27017:27017 -n " + namespace)
if err != nil {
panic(err)
}
}()
}
func UninstallMongoDb(namespace string) {
params := map[string]string{
"namespace": namespace,
}
_, err := baseapi.KubeDeleteFromTemplate(mongoYaml, params)
if err != nil {
panic(err)
}
_, err = baseapi.Exec("kubectl wait --for=delete pod -l app=mongo --timeout=300s -n " + namespace)
if err != nil {
panic(err)
}
}
func GetMongoDbHostname() string {
return "127.0.0.1:27017"
}
func GetMongoDbConnectionUri() string {
return "mongodb://root:password123@" + GetMongoDbHostname() + "/?authSource=admin&directConnection=true"
}
func CreateMongoDatabase() {
connectionUri := GetMongoDbConnectionUri()
mm, err := NewMongoManager(context.Background(), connectionUri)
if err != nil {
panic(err)
}
defer mm.Disconnect()
err = mm.CreateDatabase("mongodb", "appid-1", "password123password123")
if err != nil {
panic(err)
}
}
// Mongo is a database manager for MongoDB
type MongoManager struct {
connectionURI string
client *mongo.Client
context context.Context
}
// NewMongoManager creates a new MongoManager
func NewMongoManager(context context.Context, connectionURI string) (*MongoManager, error) {
mgm := MongoManager{context: context, connectionURI: connectionURI}
client, err := mongo.Connect(context, options.Client().ApplyURI(connectionURI))
mgm.client = client
if err != nil {
return nil, err
}
return &mgm, nil
}
// CreateDatabase creates the database
// returns the connection uri
func (m *MongoManager) CreateDatabase(databaseName string, username string, password string) error {
var result bson.M
command := bson.D{
{Key: "createUser", Value: username},
{Key: "pwd", Value: password},
{Key: "roles", Value: []bson.M{{"role": "readWrite", "db": databaseName}}}}
err := m.client.Database(databaseName).RunCommand(m.context, command).Decode(&result)
if err != nil {
return err
}
return nil
}
// DatabaseExists check if database exists
func (m *MongoManager) DatabaseExists(databaseName string) (bool, error) {
databases, err := m.client.ListDatabaseNames(m.context, bson.M{})
if err != nil {
return false, err
}
for _, db := range databases {
if db == databaseName {
return true, nil
}
}
return false, nil
}
// RemoveUser remove the database user
func (m *MongoManager) RemoveUser(databaseName string, username string) error {
var result bson.M
command := bson.D{
{Key: "dropUser", Value: username},
}
err := m.client.Database(databaseName).RunCommand(m.context, command).Decode(&result)
if err != nil {
return err
}
return nil
}
// Disconnect disconnects from the database
func (m *MongoManager) Disconnect() error {
if m.client != nil {
return m.client.Disconnect(m.context)
}
return nil
}