gvisor.dev/gvisor@v0.0.0-20240520182842-f9d4d51c7e0f/test/root/main_test.go (about)

     1  // Copyright 2018 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package root
    16  
    17  import (
    18  	"fmt"
    19  	"os"
    20  	"testing"
    21  
    22  	"github.com/syndtr/gocapability/capability"
    23  	"gvisor.dev/gvisor/pkg/test/dockerutil"
    24  	"gvisor.dev/gvisor/runsc/config"
    25  	"gvisor.dev/gvisor/runsc/flag"
    26  	"gvisor.dev/gvisor/runsc/specutils"
    27  )
    28  
    29  // TestMain is the main function for root tests. This function checks the
    30  // supported docker version, required capabilities, and configures the executable
    31  // path for runsc.
    32  func TestMain(m *testing.M) {
    33  	config.RegisterFlags(flag.CommandLine)
    34  	if !flag.CommandLine.Parsed() {
    35  		flag.Parse()
    36  	}
    37  
    38  	if !specutils.HasCapabilities(capability.CAP_SYS_ADMIN, capability.CAP_DAC_OVERRIDE) {
    39  		fmt.Println("Test requires sysadmin privileges to run. Try again with sudo.")
    40  		os.Exit(1)
    41  	}
    42  
    43  	dockerutil.EnsureSupportedDockerVersion()
    44  
    45  	// Configure exe for tests.
    46  	path, err := dockerutil.RuntimePath()
    47  	if err != nil {
    48  		panic(err.Error())
    49  	}
    50  	specutils.ExePath = path
    51  
    52  	os.Exit(m.Run())
    53  }