权限管理

切换用户；
use admin
db.auth("myClusterwideAdmin_user","admin123");
建库，写入数据；
use products;
db.products.insertOne( { _id: 10, item: "box", qty: 20 } );
db.auth("products_admin","admin123");
db.products.save({item: "box", qty: 20 });
db.createUser(
   {
     user: "products_admin",
     pwd: "admin123",
    roles: [ "readWrite", "dbAdmin" ]
   }
);
Successfully added user: { "user" : "products_admin", "roles" : [ "readWrite", "dbAdmin" ] }


myreplSet:PRIMARY> use products
switched to db products
myreplSet:PRIMARY> db.createUser(
...    {
...      user: "products_admin",
...      pwd: "admin123",
...     roles: [ "readWrite", "dbAdmin" ]
...    }
... );
Successfully added user: { "user" : "products_admin", "roles" : [ "readWrite", "dbAdmin" ] }
myreplSet:PRIMARY> use products
switched to db products
myreplSet:PRIMARY> db.getRoles();
[ ]
myreplSet:PRIMARY> db.getUsers();
[
	{
		"_id" : "products.products_admin",
		"user" : "products_admin",
		"db" : "products",
		"roles" : [
			{
				"role" : "readWrite",
				"db" : "products"
			},
			{
				"role" : "dbAdmin",
				"db" : "products"
			}
		]
	}
]
myreplSet:PRIMARY>

db.collection.drop()

Studio 3T for MongoDB连接51.212复制集
[
    #DirectConection
    Authentication Mode - Basic(MONGODB-CR or SCEAM-SHA-1)
    192.168.2.51:27017 -u products_admin -p admin123
    192.168.2.212:27017 -u products_admin -p admin123
    Authentication DB - products
]
[
    #Replica Set Or Sharded Cluster
    192.168.2.51:27017
    192.168.2.212:27017
    Authentication Mode - Basic(MONGODB-CR or SCEAM-SHA-1)
    -u products_admin -p admin123
    Read Preference -Nearest
    Authentication DB - products

    C:WindowsSystem32driversetchosts
    +
    192.168.2.51 hadoop1
    192.168.2.212 hadoop2
]


show collections;
db.createCollection('direct_ad_consume');
db.createCollection('sem_z_cashier');