github.com/google/fleetspeak@v0.1.15-0.20240426164851-4f31f62c1aea/fleetspeak/src/client/internal/config/manager_test.go (about)

     1  // Copyright 2017 Google Inc.
     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  //     https://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 config
    16  
    17  import (
    18  	"path/filepath"
    19  	"sync"
    20  	"testing"
    21  
    22  	"github.com/google/fleetspeak/fleetspeak/src/client/config"
    23  	"github.com/google/fleetspeak/fleetspeak/src/client/stats"
    24  	"github.com/google/fleetspeak/fleetspeak/src/common"
    25  	"github.com/google/fleetspeak/fleetspeak/src/comtesting"
    26  
    27  	fspb "github.com/google/fleetspeak/fleetspeak/src/common/proto/fleetspeak"
    28  )
    29  
    30  // statsCollector implements stats.ConfigManagerStatsCollector
    31  type statsCollector struct {
    32  	stats.ConfigManagerCollector
    33  	mu     sync.Mutex
    34  	rekeys int
    35  }
    36  
    37  func (sc *statsCollector) AfterRekey(err error) {
    38  	sc.mu.Lock()
    39  	defer sc.mu.Unlock()
    40  	sc.rekeys++
    41  }
    42  
    43  func (sc *statsCollector) AfterConfigSync(err error) {
    44  
    45  }
    46  
    47  func TestRekey(t *testing.T) {
    48  	sc := &statsCollector{}
    49  	m, err := StartManager(&config.Configuration{
    50  		FixedServices: make([]*fspb.ClientServiceConfig, 0),
    51  	}, make(chan *fspb.ClientInfoData), sc)
    52  	if err != nil {
    53  		t.Errorf("unable to create config manager: %v", err)
    54  		return
    55  	}
    56  	defer m.Stop()
    57  
    58  	id1 := m.ClientID()
    59  	if (id1 == common.ClientID{}) {
    60  		t.Errorf("new config manager should provide non-trivial ClientID")
    61  	}
    62  	if err := m.Rekey(); err != nil {
    63  		t.Errorf("unable to rekey: %v", err)
    64  	}
    65  	id2 := m.ClientID()
    66  	if (id2 == common.ClientID{}) || id2 == id1 {
    67  		t.Errorf("ClientID after rekey is %v, expected to be non-trivial and different from %v", id2, id1)
    68  	}
    69  	sc.mu.Lock()
    70  	defer sc.mu.Unlock()
    71  	// 1 initial attempt, 1 explicit attempt
    72  	if sc.rekeys != 2 {
    73  		t.Errorf("Unexpected amount of rekeys reported, got: %d, want: 2", sc.rekeys)
    74  	}
    75  }
    76  
    77  func TestWriteback(t *testing.T) {
    78  	tmpPath, fin := comtesting.GetTempDir("TestWriteback")
    79  	defer fin()
    80  
    81  	ph, err := config.NewFilesystemPersistenceHandler(tmpPath, filepath.Join(tmpPath, "writeback"))
    82  	if err != nil {
    83  		t.Fatal(err)
    84  	}
    85  
    86  	m1, err := StartManager(&config.Configuration{
    87  		PersistenceHandler: ph,
    88  	}, make(chan *fspb.ClientInfoData), &statsCollector{})
    89  	if err != nil {
    90  		t.Errorf("unable to create config manager: %v", err)
    91  		return
    92  	}
    93  	id1 := m1.ClientID()
    94  	if (id1 == common.ClientID{}) {
    95  		t.Errorf("New config manager should provide non-trivial ClientID.")
    96  	}
    97  	m1.Stop()
    98  
    99  	ph, err = config.NewFilesystemPersistenceHandler(tmpPath, filepath.Join(tmpPath, "writeback"))
   100  	if err != nil {
   101  		t.Fatal(err)
   102  	}
   103  
   104  	m2, err := StartManager(&config.Configuration{
   105  		PersistenceHandler: ph,
   106  	}, make(chan *fspb.ClientInfoData), &statsCollector{})
   107  	if err != nil {
   108  		t.Errorf("Unable to create new config manager: %v", err)
   109  		return
   110  	}
   111  	defer m2.Stop()
   112  	id2 := m2.ClientID()
   113  	if id2 != id1 {
   114  		t.Errorf("Got clientID=%v in reconstituted config, expected %v", id2, id1)
   115  	}
   116  }