github.com/rkt/rkt@v1.30.1-0.20200224141603-171c416fac02/tests/rkt_hostname_test.go (about)

     1  // Copyright 2016 The rkt 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  // +build host coreos src kvm
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"os"
    22  	"testing"
    23  
    24  	"github.com/rkt/rkt/tests/testutils"
    25  )
    26  
    27  // TestHostname test that the --hostname option works.
    28  func TestHostname(t *testing.T) {
    29  	imageFile := patchTestACI("rkt-inspect-hostname.aci", "--exec=/inspect --print-hostname")
    30  	defer os.Remove(imageFile)
    31  
    32  	ctx := testutils.NewRktRunCtx()
    33  	defer ctx.Cleanup()
    34  
    35  	tests := []struct {
    36  		hostname string
    37  	}{
    38  		{
    39  			"test-hostname",
    40  		},
    41  		{
    42  			"",
    43  		},
    44  	}
    45  
    46  	for _, tt := range tests {
    47  		rktCmd := fmt.Sprintf("%s prepare --insecure-options=image %s", ctx.Cmd(), imageFile)
    48  		uuid := runRktAndGetUUID(t, rktCmd)
    49  
    50  		expectedHostname := "rkt-" + uuid
    51  		hostnameParam := ""
    52  		if tt.hostname != "" {
    53  			expectedHostname = tt.hostname
    54  			hostnameParam = fmt.Sprintf("--hostname=%s", tt.hostname)
    55  		}
    56  
    57  		rktCmd = fmt.Sprintf("%s run-prepared %s %s", ctx.Cmd(), hostnameParam, uuid)
    58  		expected := fmt.Sprintf("Hostname: %s", expectedHostname)
    59  		runRktAndCheckOutput(t, rktCmd, expected, false)
    60  	}
    61  }