/
ospolicies.go
315 lines (280 loc) · 12.5 KB
/
ospolicies.go
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// Copyright 2021 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package ospolicies are OSPolicy osconfig agent tests.
package ospolicies
import (
"context"
"fmt"
"log"
"path"
"regexp"
"strings"
"sync"
"time"
"github.com/GoogleCloudPlatform/compute-image-tools/go/e2e_test_utils/junitxml"
"github.com/GoogleCloudPlatform/osconfig/e2e_tests/compute"
"github.com/GoogleCloudPlatform/osconfig/e2e_tests/config"
gcpclients "github.com/GoogleCloudPlatform/osconfig/e2e_tests/gcp_clients"
osconfig "github.com/GoogleCloudPlatform/osconfig/e2e_tests/internal/cloud.google.com/go/osconfig/apiv1"
testconfig "github.com/GoogleCloudPlatform/osconfig/e2e_tests/test_config"
"github.com/GoogleCloudPlatform/osconfig/e2e_tests/utils"
"github.com/google/go-cmp/cmp"
"github.com/kylelemons/godebug/pretty"
computeApi "google.golang.org/api/compute/v1"
"google.golang.org/protobuf/testing/protocmp"
osconfigpb "github.com/GoogleCloudPlatform/osconfig/e2e_tests/internal/google.golang.org/genproto/googleapis/cloud/osconfig/v1"
)
var (
testSuiteName = "OSPolicies"
dump = &pretty.Config{IncludeUnexported: true}
)
const (
packageResourceApt = "packageresourceapt"
packageResourceDeb = "packageresourcedeb"
packageResourceYum = "packageresourceyum"
packageResourceZypper = "packageresourcezypper"
packageResourceRpm = "packageresourcerpm"
packageResourceGoo = "packageresourcegoo"
packageResourceMsi = "packageresourcemsi"
repositoryResourceApt = "repositoryresourceapt"
repositoryResourceYum = "repositoryresourceyum"
repositoryResourceZypper = "repositoryresourcezypper"
repositoryResourceGoo = "repositoryresourcegoo"
fileResource = "fileresource"
linuxExecResource = "linuxexecresource"
windowsExecResource = "windowsexecresource"
validationMode = "validationmode"
)
type osPolicyTestSetup struct {
image string
imageName string
osPolicyAssignmentID string
instanceName string
testName string
osPolicyAssignment *osconfigpb.OSPolicyAssignment
startup *computeApi.MetadataItems
machineType string
queryPaths []string
assertTimeout time.Duration
wantCompliances []*osconfigpb.OSPolicyAssignmentReport_OSPolicyCompliance
}
func newOsPolicyTestSetup(image, imageName, instanceName, testName string, queryPaths []string, machineType string, ospa *osconfigpb.OSPolicyAssignment, startup *computeApi.MetadataItems, assertTimeout time.Duration, wantCompliances []*osconfigpb.OSPolicyAssignmentReport_OSPolicyCompliance) *osPolicyTestSetup {
return &osPolicyTestSetup{
image: image,
imageName: imageName,
osPolicyAssignmentID: instanceName,
instanceName: instanceName,
osPolicyAssignment: ospa,
testName: testName,
machineType: machineType,
queryPaths: queryPaths,
assertTimeout: assertTimeout,
startup: startup,
wantCompliances: wantCompliances,
}
}
// TestSuite is a OSPackage test suite.
func TestSuite(ctx context.Context, tswg *sync.WaitGroup, testSuites chan *junitxml.TestSuite, logger *log.Logger, testSuiteRegex, testCaseRegex *regexp.Regexp) {
defer tswg.Done()
if testSuiteRegex != nil && !testSuiteRegex.MatchString(testSuiteName) {
return
}
testSuite := junitxml.NewTestSuite(testSuiteName)
defer testSuite.Finish(testSuites)
logger.Printf("Running TestSuite %q", testSuite.Name)
testSetup := generateAllTestSetup()
var wg sync.WaitGroup
tests := make(chan *junitxml.TestCase)
for _, setup := range testSetup {
wg.Add(1)
go testCase(ctx, setup, tests, &wg, logger, testCaseRegex)
}
go func() {
wg.Wait()
close(tests)
}()
for ret := range tests {
testSuite.TestCase = append(testSuite.TestCase, ret)
}
logger.Printf("Finished TestSuite %q", testSuite.Name)
}
// Use this lock to limit write QPS.
var gpMx sync.Mutex
func createOSPolicyAssignment(ctx context.Context, client *osconfig.OsConfigZonalClient, req *osconfigpb.CreateOSPolicyAssignmentRequest, testCase *junitxml.TestCase) (*osconfigpb.OSPolicyAssignment, error) {
// Use the lock to slow down write QPS just a bit.
gpMx.Lock()
op, err := client.CreateOSPolicyAssignment(ctx, req)
gpMx.Unlock()
if err != nil {
return nil, fmt.Errorf("error running CreateOSPolicyAssignment: %s", utils.GetStatusFromError(err))
}
testCase.Logf("OSPolicyAssignment created, waiting for operation %q", op.Name())
// Wait up to 5 min for this to complete.
ctx, cncl := context.WithTimeout(ctx, 10*time.Minute)
defer cncl()
ospa, err := op.Wait(ctx)
if err != nil {
return nil, fmt.Errorf("error waiting for create operation %q, to complete: %s", op.Name(), utils.GetStatusFromError(err))
}
return ospa, nil
}
func runTest(ctx context.Context, testCase *junitxml.TestCase, testSetup *osPolicyTestSetup, logger *log.Logger) {
computeClient, err := gcpclients.GetComputeClient()
if err != nil {
testCase.WriteFailure("Error getting compute client: %v", err)
return
}
var metadataItems []*computeApi.MetadataItems
metadataItems = append(metadataItems, testSetup.startup)
metadataItems = append(metadataItems, compute.BuildInstanceMetadataItem("enable-osconfig", "true"))
metadataItems = append(metadataItems, compute.BuildInstanceMetadataItem("osconfig-disabled-features", "guestpolicies,osinventory"))
testProjectConfig := testconfig.GetProject()
zone := testProjectConfig.AcquireZone()
defer testProjectConfig.ReleaseZone(zone)
// No test should take longer than 30 min, start the timer
// after AcquireZone as that can take some time.
ctx, cncl := context.WithTimeout(ctx, 30*time.Minute)
defer cncl()
testCase.Logf("Creating instance %q with image %q", testSetup.instanceName, testSetup.image)
inst, err := utils.CreateComputeInstance(metadataItems, computeClient, testSetup.machineType, testSetup.image, testSetup.instanceName, testProjectConfig.TestProjectID, zone, testProjectConfig.ServiceAccountEmail, testProjectConfig.ServiceAccountScopes)
if err != nil {
testCase.WriteFailure("Error creating instance: %s", utils.GetStatusFromError(err))
return
}
defer inst.Cleanup()
defer inst.RecordSerialOutput(ctx, path.Join(*config.OutDir, testSuiteName), 1)
testCase.Logf("Waiting for agent install to complete")
if _, err := inst.WaitForGuestAttributes("osconfig_tests/install_done", 5*time.Second, 10*time.Minute); err != nil {
testCase.WriteFailure("Error waiting for osconfig agent install: %v", err)
return
}
client, err := gcpclients.GetOsConfigClientV1()
if err != nil {
testCase.WriteFailure("Error getting osconfig client: %v", err)
return
}
req := &osconfigpb.CreateOSPolicyAssignmentRequest{
Parent: fmt.Sprintf("projects/%s/locations/%s", testProjectConfig.TestProjectID, zone),
OsPolicyAssignmentId: testSetup.osPolicyAssignmentID,
OsPolicyAssignment: testSetup.osPolicyAssignment,
}
testCase.Logf("Creating OSPolicyAssignment: %q", fmt.Sprintf("%s/%s", req.GetParent(), req.GetOsPolicyAssignmentId()))
ospa, err := createOSPolicyAssignment(ctx, client, req, testCase)
if err != nil {
testCase.WriteFailure("Error running createOSPolicyAssignment: %s", err)
return
}
defer cleanupOSPolicyAssignment(ctx, client, testCase, ospa.GetName())
// Check that the compliance output meets expectations.
repReq := &osconfigpb.GetOSPolicyAssignmentReportRequest{Name: fmt.Sprintf("projects/%s/locations/%s/instances/%d/osPolicyAssignments/%s/report", testProjectConfig.TestProjectID, zone, inst.Id, testSetup.osPolicyAssignmentID)}
compliance, err := client.GetOSPolicyAssignmentReport(ctx, repReq)
if err != nil {
testCase.WriteFailure("Error running GetOSPolicyAssignmentReport: %s", err)
return
}
if diff := cmp.Diff(testSetup.wantCompliances, compliance.OsPolicyCompliances, protocmp.Transform(), cmp.FilterPath(func(p cmp.Path) bool {
if p.Last().String() == `["os_policy_assignment"]` {
return true
}
return false
}, cmp.Ignore())); diff != "" {
testCase.WriteFailure("Did not get expected OsPolicyCompliances (-want +got):\n%s", diff)
return
}
for _, p := range testSetup.queryPaths {
if _, err := inst.WaitForGuestAttributes(p, 10*time.Second, testSetup.assertTimeout); err != nil {
testCase.WriteFailure("Error while asserting: %v", err)
return
}
}
}
func testCase(ctx context.Context, testSetup *osPolicyTestSetup, tests chan *junitxml.TestCase, wg *sync.WaitGroup, logger *log.Logger, regex *regexp.Regexp) {
defer wg.Done()
tc, err := getTestCaseFromTestSetUp(testSetup)
if err != nil {
logger.Fatalf("invalid testcase: %+v", err)
return
}
if tc.FilterTestCase(regex) {
tc.Finish(tests)
} else {
logger.Printf("Running TestCase %q", tc.Name)
runTest(ctx, tc, testSetup, logger)
if tc.Failure != nil {
rerunTC := junitxml.NewTestCase(testSuiteName, strings.TrimPrefix(tc.Name, fmt.Sprintf("[%s] ", testSuiteName)))
wg.Add(1)
go func() {
defer wg.Done()
logger.Printf("Rerunning TestCase %q", rerunTC.Name)
runTest(ctx, rerunTC, testSetup, logger)
rerunTC.Finish(tests)
logger.Printf("TestCase %q finished in %fs", rerunTC.Name, rerunTC.Time)
}()
}
tc.Finish(tests)
logger.Printf("TestCase %q finished in %fs", tc.Name, tc.Time)
}
}
// factory method to get testcase from the testsetup
func getTestCaseFromTestSetUp(testSetup *osPolicyTestSetup) (*junitxml.TestCase, error) {
var tc *junitxml.TestCase
switch testSetup.testName {
case packageResourceApt:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Apt] [%s]", testSetup.imageName))
case packageResourceDeb:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Deb] [%s]", testSetup.imageName))
case packageResourceYum:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Yum] [%s]", testSetup.imageName))
case packageResourceZypper:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Zypper] [%s]", testSetup.imageName))
case packageResourceRpm:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Rpm] [%s]", testSetup.imageName))
case packageResourceGoo:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource GooGet] [%s]", testSetup.imageName))
case packageResourceMsi:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[PackageResource Msi] [%s]", testSetup.imageName))
case repositoryResourceApt:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[RepositoryResource Apt] [%s]", testSetup.imageName))
case repositoryResourceYum:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[RepositoryResource Yum] [%s]", testSetup.imageName))
case repositoryResourceZypper:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[RepositoryResource Zypper] [%s]", testSetup.imageName))
case repositoryResourceGoo:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[RepositoryResource GooGet] [%s]", testSetup.imageName))
case fileResource:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[FileResource] [%s]", testSetup.imageName))
case linuxExecResource:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[Linux ExecResource] [%s]", testSetup.imageName))
case windowsExecResource:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[Windows ExecResource] [%s]", testSetup.imageName))
case validationMode:
tc = junitxml.NewTestCase(testSuiteName, fmt.Sprintf("[ValidationMode] [%s]", testSetup.imageName))
default:
return nil, fmt.Errorf("unknown test function name: %s", testSetup.testName)
}
return tc, nil
}
func cleanupOSPolicyAssignment(ctx context.Context, client *osconfig.OsConfigZonalClient, testCase *junitxml.TestCase, name string) {
// Use the lock to slow down write QPS just a bit.
gpMx.Lock()
op, err := client.DeleteOSPolicyAssignment(ctx, &osconfigpb.DeleteOSPolicyAssignmentRequest{Name: name})
gpMx.Unlock()
if err != nil {
testCase.WriteFailure(fmt.Sprintf("Error calling DeleteOSPolicyAssignment: %s", utils.GetStatusFromError(err)))
return
}
ctx, cncl := context.WithTimeout(ctx, 5*time.Minute)
defer cncl()
op.Wait(ctx)
}