Moved creating compute instance to the test runner

Author: petercieslak

e2e_tests/test_runner/test_runner.go

@@ -19,11 +19,19 @@ import (
 	"context"
 	"fmt"
 	"log"
+	"path"
 	"regexp"
 	"strings"
 	"sync"
 	"time"
 
+	"github.com/GoogleCloudPlatform/osconfig/e2e_tests/compute"
+	"github.com/GoogleCloudPlatform/osconfig/e2e_tests/config"
+	gcpclients "github.com/GoogleCloudPlatform/osconfig/e2e_tests/gcp_clients"
+	testconfig "github.com/GoogleCloudPlatform/osconfig/e2e_tests/test_config"
+	utils "github.com/GoogleCloudPlatform/osconfig/e2e_tests/utils"
+	computeApi "google.golang.org/api/compute/v1"
+
 	"github.com/GoogleCloudPlatform/compute-image-tools/go/e2e_test_utils/junitxml"
 )
 
@@ -36,46 +44,91 @@ type TestRunner struct { // TODO: Unify test suites implementation to use this r
 	TestSuiteName string
 }
 
+type ComputeInstanceMetadata struct {
+	Metadata           []*computeApi.MetadataItems
+	MachineType        string
+	Image              string
+	InstanceNamePrefix string
+}
+
 // RunTestCase wraps execution of a test case with timeout and retry logic as well as creating a JUnit XML record.
-func (tr *TestRunner) RunTestCase(ctx context.Context, tc *junitxml.TestCase, f func(tc *junitxml.TestCase), tests chan *junitxml.TestCase, wg *sync.WaitGroup, logger *log.Logger, regex *regexp.Regexp) {
+func (tr *TestRunner) RunTestCase(ctx context.Context, tc *junitxml.TestCase, f func(tc *junitxml.TestCase, inst *compute.Instance, testProjectConfig *testconfig.Project, instName string), tests chan *junitxml.TestCase, wg *sync.WaitGroup, logger *log.Logger, regex *regexp.Regexp, computeInstanceMetadata *ComputeInstanceMetadata) {
 	defer wg.Done()
 
 	if tc.FilterTestCase(regex) {
 		tc.Finish(tests)
 	} else {
 		logger.Printf("Running TestCase %q", tc.Name)
 
-		runTestCase(ctx, tc, f, tests, wg, logger, regex)
+		tr.runTestCase(ctx, tc, f, tests, logger, computeInstanceMetadata)
 
 		// Retry test if failure
 		if tc.Failure != nil {
 			rerunTC := junitxml.NewTestCase(tr.TestSuiteName, strings.TrimPrefix(tc.Name, fmt.Sprintf("[%s] ", tr.TestSuiteName)))
 			logger.Printf("Rerunning TestCase %q", rerunTC.Name)
-			runTestCase(ctx, rerunTC, f, tests, wg, logger, regex)
+			tr.runTestCase(ctx, rerunTC, f, tests, logger, computeInstanceMetadata)
 		}
 	}
 }
 
-func runTestCase(ctx context.Context, tc *junitxml.TestCase, f func(tc *junitxml.TestCase), tests chan *junitxml.TestCase, wg *sync.WaitGroup, logger *log.Logger, regex *regexp.Regexp) {
+func (tr *TestRunner) runTestCase(ctx context.Context, tc *junitxml.TestCase, f func(tc *junitxml.TestCase, inst *compute.Instance, testProjectConfig *testconfig.Project, instName string), tests chan *junitxml.TestCase, logger *log.Logger, computeInstanceMetadata *ComputeInstanceMetadata) {
 	ctx, cancel := context.WithTimeout(ctx, timeout) // Timeout applied on single test execution
 	defer cancel()
 
+	testProjectConfig := testconfig.GetProject()
+	zone := testProjectConfig.AcquireZone()
+	defer testProjectConfig.ReleaseZone(zone)
+
+	instanceName := fmt.Sprintf("%s-%s", computeInstanceMetadata.InstanceNamePrefix, utils.RandString(5))
+	inst, err := createComputeInstance(tc, instanceName, computeInstanceMetadata.Image, computeInstanceMetadata.MachineType, zone, computeInstanceMetadata.Metadata, testProjectConfig, logger)
+	defer inst.Cleanup()
+	defer inst.RecordSerialOutput(ctx, path.Join(*config.OutDir, tr.TestSuiteName), 1)
+
+	if err != nil {
+		return
+	}
+
 	select {
 	case <-ctx.Done():
 		logger.Printf("TestCase %q timed out after %v.", tc.Name, timeout)
 		tc.WriteFailure("Test timed out.")
 		tc.Finish(tests)
-	case <-runAsync(tc, f):
+	case <-runAsync(tc, inst, testProjectConfig, instanceName, f):
 		tc.Finish(tests)
 		logger.Printf("TestCase %q finished in %fs", tc.Name, tc.Time)
 	}
 }
 
-func runAsync(tc *junitxml.TestCase, f func(tc *junitxml.TestCase)) <-chan int {
+func runAsync(tc *junitxml.TestCase, inst *compute.Instance, testProjectConfig *testconfig.Project, instName string, f func(tc *junitxml.TestCase, inst *compute.Instance, testProjectConfig *testconfig.Project, instName string)) <-chan int {
 	resultChan := make(chan int, 1)
 	go func() {
-		f(tc)
+		f(tc, inst, testProjectConfig, instName)
 		resultChan <- 1
 	}()
 	return resultChan
 }
+
+func createComputeInstance(tc *junitxml.TestCase, instanceName, image, machineType, zone string, metadata []*computeApi.MetadataItems, testProjectConfig *testconfig.Project, logger *log.Logger) (*compute.Instance, error) {
+	computeClient, err := gcpclients.GetComputeClient()
+	if err != nil {
+		tc.WriteFailure("Error getting compute client: %v", err)
+		return nil, err
+	}
+
+	tc.Logf("Creating instance %q with image %q", instanceName, image)
+	inst, err := utils.CreateComputeInstance(metadata, computeClient, machineType, image, instanceName, testProjectConfig.TestProjectID, zone, testProjectConfig.ServiceAccountEmail, testProjectConfig.ServiceAccountScopes)
+
+	if err != nil {
+		tc.WriteFailure("Error creating instance: %v", utils.GetStatusFromError(err))
+		return nil, err
+	}
+
+	tc.Logf("Waiting for agent install to complete")
+	if _, err := inst.WaitForGuestAttributes("osconfig_tests/install_done", 5*time.Second, 25*time.Minute); err != nil {
+		tc.WriteFailure("Error waiting for osconfig agent install: %v", err)
+		return nil, err
+	}
+	tc.Logf("Agent installed successfully")
+
+	return inst, nil
+}