cockroachdb ef core ssl test

Former-commit-id: 56463bb5083cb21434a9df7b31a1c3b561f4934c

labs/CockRoachDBEntityFrameworkCoreTest/.gitignore

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+*.bak
+*.suo
+*.db
+*.db-shm
+*.db-wal
+*.user
+.vs
+obj
+Obj
+bin
+Bin
+debug
+Debug
+release
+Release
+Logs
+logs
+node_modules
+cockroach-data

labs/CockRoachDBEntityFrameworkCoreTest/CockRoachDBEntityFrameworkCoreTest.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="3.1.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="client.root.pk12">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

labs/CockRoachDBEntityFrameworkCoreTest/CockRoachDBEntityFrameworkCoreTest.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30011.22
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CockRoachDBEntityFrameworkCoreTest", "CockRoachDBEntityFrameworkCoreTest.csproj", "{B0398F26-9A0E-4893-9876-5FDAB34C35FD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{B0398F26-9A0E-4893-9876-5FDAB34C35FD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B0398F26-9A0E-4893-9876-5FDAB34C35FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B0398F26-9A0E-4893-9876-5FDAB34C35FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B0398F26-9A0E-4893-9876-5FDAB34C35FD}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3CB604C6-1B7A-4908-AA58-DAD9A7ED6084}
+	EndGlobalSection
+EndGlobal

labs/CockRoachDBEntityFrameworkCoreTest/MyDbContext.cs

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+using Microsoft.EntityFrameworkCore;
+using System.Security.Cryptography.X509Certificates;
+
+namespace CockRoachDBEntityFrameworkCoreTest
+{
+    public class MyDbContext : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            //数据库名只能为小写，否则报错为:database "postgres" does not exist
+            optionsBuilder.UseNpgsql("User ID=root;Host=localhost;Port=26257;Database=mytest;CommandTimeout=120;SslMode=Require;TrustServerCertificate=true;",
+                o => o.ProvideClientCertificatesCallback(o => o.Add(new X509Certificate2("client.root.pk12"))));
+        }
+
+        protected override void OnModelCreating(ModelBuilder modelBuilder)
+        {
+            modelBuilder.Entity<User>();
+        }
+    }
+}

labs/CockRoachDBEntityFrameworkCoreTest/Program.cs

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+using System;
+using System.Linq;
+
+namespace CockRoachDBEntityFrameworkCoreTest
+{
+    public class Program
+    {
+        private static void Main(string[] args)
+        {
+            using var db = new MyDbContext();
+            if (db.Database.EnsureCreated())
+            {
+                db.Set<User>().Add(new User { Name = "admin" });
+                db.SaveChanges();
+            }
+            Console.WriteLine(db.Set<User>().Count());
+        }
+    }
+}

labs/CockRoachDBEntityFrameworkCoreTest/README.md

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+文档地址：http://doc.cockroachchina.baidu.com/
+
+生成安全证书&启动节点：http://doc.cockroachchina.baidu.com/#quick-start/start-a-local-cluster/from-binary/
+
+生成pk12文件：openssl pkcs12 -export -password pass: -in client.root.crt -inkey client.root.key -out client.root.pk12
+
+命令行创建数据库：
+cockroach sql --certs-dir certs
+>create database MyTest;
+>\q

labs/CockRoachDBEntityFrameworkCoreTest/User.cs

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+using System;
+
+namespace CockRoachDBEntityFrameworkCoreTest
+{
+    public class User
+    {
+        public User()
+        {
+            this.Id = Guid.NewGuid();
+        }
+
+        public Guid Id { get; set; }
+        public string Name { get; set; }
+    }
+}