diff --git a/hack/runtime-migrator/go.mod b/hack/runtime-migrator/go.mod new file mode 100644 index 00000000..b14d7ecd --- /dev/null +++ b/hack/runtime-migrator/go.mod @@ -0,0 +1,62 @@ +module github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app + +go 1.23.1 + +require ( + github.com/gardener/gardener v1.100.0 + github.com/kyma-project/infrastructure-manager v0.0.0-20241010165136-c9d296aadebd + github.com/kyma-project/infrastructure-manager/hack/shoot-comparator v0.0.0-20241010165136-c9d296aadebd + github.com/pkg/errors v0.9.1 + k8s.io/api v0.31.1 + k8s.io/apimachinery v0.31.1 + k8s.io/client-go v0.31.1 + sigs.k8s.io/controller-runtime v0.19.0 + sigs.k8s.io/yaml v1.4.0 +) + +require ( + github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect + github.com/emicklei/go-restful/v3 v3.11.0 // indirect + github.com/evanphx/json-patch/v5 v5.9.0 // indirect + github.com/fxamacker/cbor/v2 v2.7.0 // indirect + github.com/gardener/gardener-extension-provider-aws v1.56.1 // indirect + github.com/gardener/gardener-extension-provider-gcp v1.37.0 // indirect + github.com/gardener/gardener-extension-provider-openstack v1.41.0 // indirect + github.com/go-logr/logr v1.4.2 // indirect + github.com/go-openapi/jsonpointer v0.21.0 // indirect + github.com/go-openapi/jsonreference v0.20.2 // indirect + github.com/go-openapi/swag v0.23.0 // indirect + github.com/gogo/protobuf v1.3.2 // indirect + github.com/golang/protobuf v1.5.4 // indirect + github.com/google/gnostic-models v0.6.8 // indirect + github.com/google/go-cmp v0.6.0 // indirect + github.com/google/gofuzz v1.2.0 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/imdario/mergo v0.3.16 // indirect + github.com/josharian/intern v1.0.0 // indirect + github.com/json-iterator/go v1.1.12 // indirect + github.com/mailru/easyjson v0.7.7 // indirect + github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect + github.com/modern-go/reflect2 v1.0.2 // indirect + github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/onsi/gomega v1.34.1 // indirect + github.com/spf13/pflag v1.0.5 // indirect + github.com/x448/float16 v0.8.4 // indirect + golang.org/x/exp v0.0.0-20240909161429-701f63a606c0 // indirect + golang.org/x/net v0.29.0 // indirect + golang.org/x/oauth2 v0.22.0 // indirect + golang.org/x/sys v0.25.0 // indirect + golang.org/x/term v0.24.0 // indirect + golang.org/x/text v0.18.0 // indirect + golang.org/x/time v0.6.0 // indirect + google.golang.org/protobuf v1.34.2 // indirect + gopkg.in/inf.v0 v0.9.1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect + gopkg.in/yaml.v3 v3.0.1 // indirect + k8s.io/apiextensions-apiserver v0.31.0 // indirect + k8s.io/klog/v2 v2.130.1 // indirect + k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect + k8s.io/utils v0.0.0-20240902221715-702e33fdd3c3 // indirect + sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect + sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect +) diff --git a/hack/runtime-migrator/go.sum b/hack/runtime-migrator/go.sum new file mode 100644 index 00000000..d494a031 --- /dev/null +++ b/hack/runtime-migrator/go.sum @@ -0,0 +1,203 @@ +github.com/andybalholm/brotli v1.1.0 h1:eLKJA0d02Lf0mVpIDgYnqXcUn0GqVmEFny3VuID1U3M= +github.com/andybalholm/brotli v1.1.0/go.mod h1:sms7XGricyQI9K10gOSf56VKKWS4oLer58Q+mhRPtnY= +github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM= +github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/emicklei/go-restful/v3 v3.11.0 h1:rAQeMHw1c7zTmncogyy8VvRZwtkmkZ4FxERmMY4rD+g= +github.com/emicklei/go-restful/v3 v3.11.0/go.mod h1:6n3XBCmQQb25CM2LCACGz8ukIrRry+4bhvbpWn3mrbc= +github.com/evanphx/json-patch/v5 v5.9.0 h1:kcBlZQbplgElYIlo/n1hJbls2z/1awpXxpRi0/FOJfg= +github.com/evanphx/json-patch/v5 v5.9.0/go.mod h1:VNkHZ/282BpEyt/tObQO8s5CMPmYYq14uClGH4abBuQ= +github.com/fxamacker/cbor/v2 v2.7.0 h1:iM5WgngdRBanHcxugY4JySA0nk1wZorNOpTgCMedv5E= +github.com/fxamacker/cbor/v2 v2.7.0/go.mod h1:pxXPTn3joSm21Gbwsv0w9OSA2y1HFR9qXEeXQVeNoDQ= +github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0= +github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk= +github.com/gardener/gardener v1.100.0 h1:vN8LH7nW8GZUOReaj4DuIUTCLEI+5AeYVPx/J/xo8gM= +github.com/gardener/gardener v1.100.0/go.mod h1:OzCK5XFSNma6u1xUDYDpwbgJwmpo9WVVEu/pR21sarM= +github.com/gardener/gardener-extension-provider-aws v1.56.1 h1:aoPCFOKm1gZA/qYlXnoPCtfTYmGxbNHCPUSmq5BLAEc= +github.com/gardener/gardener-extension-provider-aws v1.56.1/go.mod h1:kyUkLDvIEbxg5Kv4XsOa0CBFxbwmf5KFeKsJ/oVcijw= +github.com/gardener/gardener-extension-provider-gcp v1.37.0 h1:lRvh4syK7h8JzG9tVCI+O7Q1vEvXuK7DGs6vAaoQ1Pw= +github.com/gardener/gardener-extension-provider-gcp v1.37.0/go.mod h1:/bDiE8xZz2vfP8u3A5Pr2IqVo0VX9keL5ntjExqhB5A= +github.com/gardener/gardener-extension-provider-openstack v1.41.0 h1:AlzWuvw3DhkeXsQ6AnSHqp7tkWjtBZB+e7oCFpnFVBY= +github.com/gardener/gardener-extension-provider-openstack v1.41.0/go.mod h1:DqpbvoN61U7qSzRFXv3UyRTLkopd2yIXhtPRLzfE2Ro= +github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY= +github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY= +github.com/go-logr/zapr v1.3.0 h1:XGdV8XW8zdwFiwOA2Dryh1gj2KRQyOOoNmBy4EplIcQ= +github.com/go-logr/zapr v1.3.0/go.mod h1:YKepepNBd1u/oyhd/yQmtjVXmm9uML4IXUgMOwR8/Gg= +github.com/go-openapi/jsonpointer 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"enableKubernetesVersionAutoUpdate": true, + "enableMachineImageVersionAutoUpdate": false + }, + "dns": { + "secretName": "aws-route53-secret-dev", + "domainPrefix": "dev.kyma.ondemand.com", + "providerType": "aws-route53" + }, + "aws": { + "enableIMDSv2": "true" + }, + "machineImage": { + "defaultName" : "gardenlinux", + "defaultVersion": "1592.1.0" + }, + "auditLogging": { + "policyConfigMapName": "auditPlaceholder", + "tenantConfigPath": "placeholder.json" + }, + "gardener": { + "projectName": "kyma-dev" + } +} \ No newline at end of file diff --git a/hack/runtime-migrator/input/runtimeids_sample.json b/hack/runtime-migrator/input/runtimeids_sample.json index 5425693e..b7243f6e 100644 --- a/hack/runtime-migrator/input/runtimeids_sample.json +++ b/hack/runtime-migrator/input/runtimeids_sample.json @@ -1,3 +1,4 @@ -{ - 7c6b4bd3-09d3-462f-b27c-992727b62eec, -} +[ + "7c6b4bd3-09d3-462f-b27c-992727b62eec", + "another-id" +] diff --git a/hack/runtime-migrator/internal/comparator/comparator.go b/hack/runtime-migrator/internal/comparator/comparator.go new file mode 100644 index 00000000..31d215c1 --- /dev/null +++ b/hack/runtime-migrator/internal/comparator/comparator.go @@ -0,0 +1,58 @@ +package comparator + +import ( + "github.com/gardener/gardener/pkg/apis/core/v1beta1" + "github.com/kyma-project/infrastructure-manager/hack/shoot-comparator/pkg/shoot" + "github.com/pkg/errors" +) + +type Result struct { + Equal bool + Diff []Difference +} + +type Difference struct { + ShootName string + LeftShoot v1beta1.Shoot + RightShoot v1beta1.Shoot + Message string +} + +func CompareShoots(leftShoot, rightShoot v1beta1.Shoot) (Result, error) { + + differences, err := compare(leftShoot, rightShoot) + if err != nil { + return Result{}, err + } + + equal := len(differences) == 0 + + return Result{ + Equal: equal, + Diff: differences, + }, nil +} + +func compare(leftShoot, rightShoot v1beta1.Shoot) ([]Difference, error) { + var differences []Difference + + matcher := shoot.NewMatcher(leftShoot) + equal, err := matcher.Match(rightShoot) + if err != nil { + return nil, err + } + + if !equal { + if leftShoot.Name != rightShoot.Name { + return nil, errors.New("shoot names are different, stopping comparison") + } + diff := Difference{ + ShootName: leftShoot.Name, + LeftShoot: leftShoot, + RightShoot: rightShoot, + Message: matcher.FailureMessage(nil), + } + differences = append(differences, diff) + } + return differences, nil +} diff --git a/hack/runtime-migrator/internal/comparator/report.go b/hack/runtime-migrator/internal/comparator/report.go new file mode 100644 index 00000000..dc026528 --- /dev/null +++ b/hack/runtime-migrator/internal/comparator/report.go @@ -0,0 +1,151 @@ +package comparator + +import ( + "fmt" + "log" + "os" + "path" +) + +type Report struct { + reportFile *os.File + contents string +} + +func SaveComparisonReport(comparisonResult Result, outputDir string, shootName string) (string, error) { + resultsDir, err := createOutputDir(outputDir, shootName) + if err != nil { + return "", err + } + + report, err := newReport(resultsDir) + if err != nil { + return "", err + } + defer func() { + if err := report.Close(); err != nil { + log.Printf("Failed to close report file: %q", err) + } + }() + + writeSummary(&report, comparisonResult, shootName) + + if !comparisonResult.Equal { + err = writeDifferencesToReport(&report, comparisonResult.Diff) + if err != nil { + return "", fmt.Errorf("failed to write results to file: %v", err) + } + + err = writeResultsToDiffFiles(comparisonResult.Diff, resultsDir) + if err != nil { + return "", fmt.Errorf("failed to write files with detected differences: %v", err) + } + } + + return resultsDir, report.Save() +} + +func newReport(resultsDir string) (Report, error) { + resultsFile := path.Join(resultsDir, "results.txt") + + file, err := os.Create(resultsFile) + if err != nil { + return Report{}, fmt.Errorf("failed to create results file: %v", err) + } + + return Report{ + reportFile: file, + }, nil +} + +func createOutputDir(outputDir, shootName string) (string, error) { + resultsDir := path.Join(outputDir, shootName) + + err := os.MkdirAll(resultsDir, os.ModePerm) + if err != nil { + return "", fmt.Errorf("failed to create results directory: %v", err) + } + + return resultsDir, nil +} + +func (rw *Report) Save() error { + _, err := rw.reportFile.Write([]byte(rw.contents)) + + return err +} + +func (rw *Report) Close() error { + if rw.reportFile != nil { + return rw.reportFile.Close() + } + + return nil +} + +func (rw *Report) AddLine(line string) { + rw.contents += line + "\n" +} + +func writeSummary(report *Report, comparisonResult Result, shootName string) { + report.AddLine(fmt.Sprintf("Comparing generated Shoot with Shoot from Gardener, name: %s", shootName)) + report.AddLine("") + + if comparisonResult.Equal { + report.AddLine("No differences found.") + } else { + report.AddLine("Differences found.") + } +} + +func writeDifferencesToReport(report *Report, differences []Difference) error { + if len(differences) == 0 { + return nil + } + + report.AddLine("") + report.AddLine("------------------------------------------------------------------------------------------") + report.AddLine("Shoot that differ: ") + + for _, difference := range differences { + msg := fmt.Sprintf("-%s", difference.ShootName) + + report.AddLine(msg) + } + + report.AddLine("------------------------------------------------------------------------------------------") + + return nil +} + +func writeResultsToDiffFiles(differences []Difference, resultsDir string) error { + writeAndCloseFunc := func(filePath string, text string) error { + file, err := os.Create(filePath) + if err != nil { + return err + } + defer func() { + if file != nil { + err := file.Close() + if err != nil { + fmt.Printf("failed to close file: %v", err) + } + } + }() + + _, err = file.Write([]byte(text)) + + return err + } + + for _, difference := range differences { + diffFile := path.Join(resultsDir, fmt.Sprintf("%s.diff", difference.ShootName)) + + err := writeAndCloseFunc(diffFile, difference.Message) + if err != nil { + return err + } + } + + return nil +} diff --git a/hack/runtime-migrator/internal/config.go b/hack/runtime-migrator/internal/config.go index 840c066e..9c1b5289 100644 --- a/hack/runtime-migrator/internal/config.go +++ b/hack/runtime-migrator/internal/config.go @@ -3,7 +3,10 @@ package internal import ( "flag" "fmt" + gardener_shoot "github.com/kyma-project/infrastructure-manager/internal/gardener/shoot" + "io" "log" + "os" v1 "github.com/kyma-project/infrastructure-manager/api/v1" corev1 "k8s.io/api/core/v1" @@ -19,6 +22,7 @@ type Config struct { OutputPath string IsDryRun bool InputType string + ConverterConfigPath string } const ( @@ -44,6 +48,7 @@ func NewConfig() Config { flag.StringVar(&result.OutputPath, "output-path", "/tmp/", "Path where generated yamls will be saved. Directory has to exist.") flag.BoolVar(&result.IsDryRun, "dry-run", true, "Dry-run flag. Has to be set to 'false' otherwise it will not apply the Custom Resources on the KCP cluster.") flag.StringVar(&result.InputType, "input-type", InputTypeJSON, "Type of input to be used. Possible values: **all** (will migrate all gardener shoots), and **json** (will migrate only cluster whose runtimeIds were passed as an input, see the example hack/runtime-migrator/input/runtimeids_sample.json).") + flag.StringVar(&result.ConverterConfigPath, "converter-config-filepath", "/path/to/converter_config.json", "A file path to the Gardener Shoot converter configuration.") flag.Parse() @@ -99,3 +104,15 @@ func CreateKcpClient(cfg *Config) (client.Client, error) { return k8sClient, nil } + +func LoadConverterConfig(cfg Config) (gardener_shoot.ConverterConfig, error) { + getReader := func() (io.Reader, error) { + return os.Open(cfg.ConverterConfigPath) + } + var converterConfig gardener_shoot.ConverterConfig + if err := converterConfig.Load(getReader); err != nil { + log.Print(err, "unable to load converter configuration") + return gardener_shoot.ConverterConfig{}, err + } + return converterConfig, nil +} diff --git a/hack/runtime-migrator/main.go b/hack/runtime-migrator/main.go index da38ce41..d1f99383 100644 --- a/hack/runtime-migrator/main.go +++ b/hack/runtime-migrator/main.go @@ -4,6 +4,8 @@ import ( "context" "encoding/json" "fmt" + "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app/internal/comparator" + gardener_shoot "github.com/kyma-project/infrastructure-manager/internal/gardener/shoot" "log" "os" "slices" @@ -12,7 +14,7 @@ import ( "github.com/gardener/gardener/pkg/apis/core/v1beta1" gardener_types "github.com/gardener/gardener/pkg/client/core/clientset/versioned/typed/core/v1beta1" v1 "github.com/kyma-project/infrastructure-manager/api/v1" - migrator "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator/internal" + migrator "github.com/kyma-project/infrastructure-manager/hack/runtime-migrator-app/internal" "github.com/kyma-project/infrastructure-manager/internal/gardener" "github.com/kyma-project/infrastructure-manager/internal/gardener/kubeconfig" "github.com/pkg/errors" @@ -39,6 +41,12 @@ func main() { migratorContext, cancel := context.WithTimeout(context.Background(), contextTimeout) defer cancel() + converterConfig, err := migrator.LoadConverterConfig(cfg) + if err != nil { + log.Print("failed to read converterConfig file - ", err) + return + } + runtimeIDs := getRuntimeIDsFromStdin(cfg) gardenerNamespace := fmt.Sprintf("garden-%s", cfg.GardenerProjectName) list := getShootList(migratorContext, cfg, gardenerNamespace) @@ -80,8 +88,39 @@ func main() { results = appendResult(results, shoot, migrator.StatusFailedToCreateRuntimeCR, runtimeCrErr) continue } + // runtime cr -> shoot + converter := gardener_shoot.NewConverter(converterConfig) + shootFromConverter, err := converter.ToShoot(runtime) + if err != nil { + log.Print("Error during converting generated RuntimeCR to Shoot object - ", err) + continue + } + + // compare Gardener shoot with shoot from converter + result, err := comparator.CompareShoots(shoot, shootFromConverter) + if err != nil { + log.Print("Error during comparing shoots - ", err) + continue + } + + saveShootToFile("/tmp/"+shoot.Name+"/original_shoot.yaml", shoot) + saveShootToFile("/tmp/"+shoot.Name+"/converted_shoot.yaml", shootFromConverter) - err := saveRuntime(migratorContext, cfg, runtime, kcpClient) + // save comparison report with differences + resultsDir, err := comparator.SaveComparisonReport(result, cfg.OutputPath, shoot.Name) + if err != nil { + log.Print("Failed to save comparison report - ", err.Error()) + continue + } else { + log.Printf("Results stored in %q", resultsDir) + } + + if !result.Equal { + log.Print("Generated Shoot and Shoot from converter are not equal, stopping migration of shoot: ", shoot.Name) + continue + } + + err = saveRuntime(migratorContext, cfg, runtime, kcpClient) if err != nil { log.Printf("Failed to apply runtime CR, %s\n", err) @@ -435,10 +474,26 @@ func getAllRuntimeLabels(ctx context.Context, shoot v1beta1.Shoot, getClient mig enrichedRuntimeLabels["kyma-project.io/region"] = gardenerCluster.Labels["kyma-project.io/region"] enrichedRuntimeLabels["kyma-project.io/shoot-name"] = gardenerCluster.Labels["kyma-project.io/shoot-name"] enrichedRuntimeLabels["operator.kyma-project.io/kyma-name"] = gardenerCluster.Labels["operator.kyma-project.io/kyma-name"] - // The runtime CR should be controlled by the KIM - enrichedRuntimeLabels["kyma-project.io/controlled-by-provisioner"] = "false" + // The runtime CR should be controlled by the KIM in dry-run mode + enrichedRuntimeLabels["kyma-project.io/controlled-by-provisioner"] = "true" // add custom label for the migrator enrichedRuntimeLabels[migratorLabel] = "true" return enrichedRuntimeLabels, err } + +func saveShootToFile(filePath string, shoot interface{}) { + shootAsYaml, err := yaml.Marshal(shoot) + if err != nil { + log.Printf("Failed to marshal shoot to YAML: %s", err) + return + } + + err = os.WriteFile(filePath, shootAsYaml, 0644) + if err != nil { + log.Printf("Failed to write shoot to file %s: %s", filePath, err) + return + } + + log.Printf("Shoot has been saved to %s\n", filePath) +}