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

     1  // Copyright 2015 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 !fly,!kvm
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"strings"
    22  	"testing"
    23  
    24  	"github.com/rkt/rkt/tests/testutils"
    25  )
    26  
    27  // Spin up the appc ACE validator pod and return the result.
    28  
    29  // You'll find the actual application at vendor/github.com/appc/spec/ace/validator.go,
    30  // the two ACIs are built from that
    31  
    32  func TestAceValidator(t *testing.T) {
    33  	newStringSet := func(strs ...string) map[string]struct{} {
    34  		m := make(map[string]struct{}, len(strs))
    35  		for _, s := range strs {
    36  			m[s] = struct{}{}
    37  		}
    38  		return m
    39  	}
    40  	expected := []map[string]struct{}{
    41  		newStringSet("prestart"),
    42  		newStringSet("main", "sidekick"),
    43  		// newStringSet("poststop"), // Disabled by caseyc for #2870
    44  	}
    45  	pattern := `ace-validator-(?:main|sidekick)\[\d+\]: ([[:alpha:]]+) OK`
    46  
    47  	ctx := testutils.NewRktRunCtx()
    48  	defer ctx.Cleanup()
    49  
    50  	if err := ctx.LaunchMDS(); err != nil {
    51  		t.Fatalf("Cannot launch metadata service: %v", err)
    52  	}
    53  
    54  	aceMain := testutils.GetValueFromEnvOrPanic("RKT_ACE_MAIN_IMAGE")
    55  	aceSidekick := testutils.GetValueFromEnvOrPanic("RKT_ACE_SIDEKICK_IMAGE")
    56  
    57  	rktArgs := fmt.Sprintf("--debug --insecure-options=image run --mds-register --volume database,kind=empty %s %s",
    58  		aceMain, aceSidekick)
    59  	rktCmd := fmt.Sprintf("%s %s", ctx.Cmd(), rktArgs)
    60  
    61  	child := spawnOrFail(t, rktCmd)
    62  	defer waitOrFail(t, child, 0)
    63  
    64  	out := ""
    65  	for _, set := range expected {
    66  		for len(set) > 0 {
    67  			results, o, err := expectRegexWithOutput(child, pattern)
    68  			out += o
    69  			if err != nil {
    70  				var keys []string
    71  				for k := range set {
    72  					keys = append(keys, fmt.Sprintf("%q", k))
    73  				}
    74  				ex := strings.Join(keys, " or ")
    75  				t.Fatalf("Expected %s, but not found: %v\nOutput: %v", ex, err, out)
    76  			}
    77  			if len(results) != 2 {
    78  				t.Fatalf("Unexpected regex results, expected a whole match and one submatch, got %#v", results)
    79  			}
    80  			aceStage := results[1]
    81  			if _, ok := set[aceStage]; ok {
    82  				t.Logf("Got expected ACE stage %q", aceStage)
    83  				delete(set, aceStage)
    84  			} else {
    85  				t.Logf("Ignoring unknown ACE stage %q", aceStage)
    86  			}
    87  		}
    88  	}
    89  }