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portainer/api/datastore/migrate_data_test.go

515 lines
13 KiB

package datastore
import (
"bytes"
"encoding/json"
"fmt"
"io"
"os"
"path/filepath"
"testing"
"github.com/Masterminds/semver"
portainer "github.com/portainer/portainer/api"
"github.com/portainer/portainer/api/database/boltdb"
"github.com/portainer/portainer/api/database/models"
"github.com/portainer/portainer/api/datastore/migrator"
"github.com/google/go-cmp/cmp"
"github.com/rs/zerolog/log"
)
func TestMigrateData(t *testing.T) {
tests := []struct {
testName string
srcPath string
wantPath string
overrideInstanceId bool
}{
{
testName: "migrate version 24 to latest",
srcPath: "test_data/input_24.json",
wantPath: "test_data/output_24_to_latest.json",
overrideInstanceId: true,
},
}
for _, test := range tests {
t.Run(test.testName, func(t *testing.T) {
err := migrateDBTestHelper(t, test.srcPath, test.wantPath, test.overrideInstanceId)
if err != nil {
t.Errorf(
"Failed migrating mock database %v: %v",
test.srcPath,
err,
)
}
})
}
t.Run("MigrateData for New Store & Re-Open Check", func(t *testing.T) {
newStore, store := MustNewTestStore(t, true, false)
if !newStore {
t.Error("Expect a new DB")
}
testVersion(store, portainer.APIVersion, t)
store.Close()
newStore, _ = store.Open()
if newStore {
t.Error("Expect store to NOT be new DB")
}
})
t.Run("MigrateData should create backup file upon update", func(t *testing.T) {
_, store := MustNewTestStore(t, true, false)
store.VersionService.UpdateVersion(&models.Version{SchemaVersion: "1.0", Edition: int(portainer.PortainerCE)})
store.MigrateData()
backupfilename := store.backupFilename()
if exists, _ := store.fileService.FileExists(backupfilename); !exists {
t.Errorf("Expect backup file to be created %s", backupfilename)
}
})
t.Run("MigrateData should recover and restore backup during migration critical failure", func(t *testing.T) {
os.Setenv("PORTAINER_TEST_MIGRATE_FAIL", "FAIL")
version := "2.15"
_, store := MustNewTestStore(t, true, false)
store.VersionService.UpdateVersion(&models.Version{SchemaVersion: version, Edition: int(portainer.PortainerCE)})
store.MigrateData()
store.Open()
testVersion(store, version, t)
})
t.Run("MigrateData should fail to create backup if database file is set to updating", func(t *testing.T) {
_, store := MustNewTestStore(t, true, false)
store.VersionService.StoreIsUpdating(true)
store.MigrateData()
// If you get an error, it usually means that the backup folder doesn't exist (no backups). Expected!
// If the backup file is not blank, then it means a backup was created. We don't want that because we
// only create a backup when the version changes.
backupfilename := store.backupFilename()
if exists, _ := store.fileService.FileExists(backupfilename); exists {
t.Errorf("Backup file should not exist for dirty database")
}
})
t.Run("MigrateData should not create backup on startup if portainer version matches db", func(t *testing.T) {
_, store := MustNewTestStore(t, true, false)
// Set migrator the count to match our migrations array (simulate no changes).
// Should not create a backup
v, err := store.VersionService.Version()
if err != nil {
t.Errorf("Unable to read version from db: %s", err)
t.FailNow()
}
migratorParams := store.newMigratorParameters(v)
m := migrator.NewMigrator(migratorParams)
latestMigrations := m.LatestMigrations()
if latestMigrations.Version.Equal(semver.MustParse(portainer.APIVersion)) {
v.MigratorCount = len(latestMigrations.MigrationFuncs)
store.VersionService.UpdateVersion(v)
}
store.MigrateData()
// If you get an error, it usually means that the backup folder doesn't exist (no backups). Expected!
// If the backup file is not blank, then it means a backup was created. We don't want that because we
// only create a backup when the version changes.
backupfilename := store.backupFilename()
if exists, _ := store.fileService.FileExists(backupfilename); exists {
t.Errorf("Backup file should not exist for dirty database")
}
})
t.Run("MigrateData should create backup on startup if portainer version matches db and migrationFuncs counts differ", func(t *testing.T) {
_, store := MustNewTestStore(t, true, false)
// Set migrator count very large to simulate changes
// Should not create a backup
v, err := store.VersionService.Version()
if err != nil {
t.Errorf("Unable to read version from db: %s", err)
t.FailNow()
}
v.MigratorCount = 1000
store.VersionService.UpdateVersion(v)
store.MigrateData()
// If you get an error, it usually means that the backup folder doesn't exist (no backups). Expected!
// If the backup file is not blank, then it means a backup was created. We don't want that because we
// only create a backup when the version changes.
backupfilename := store.backupFilename()
if exists, _ := store.fileService.FileExists(backupfilename); !exists {
t.Errorf("DB backup should exist and there should be no error")
}
})
}
func TestRollback(t *testing.T) {
t.Run("Rollback should restore upgrade after backup", func(t *testing.T) {
version := "2.11"
v := models.Version{
SchemaVersion: version,
}
_, store := MustNewTestStore(t, false, false)
store.VersionService.UpdateVersion(&v)
_, err := store.Backup()
if err != nil {
log.Fatal().Err(err).Msg("")
}
v.SchemaVersion = "2.14"
// Change the current edition
err = store.VersionService.UpdateVersion(&v)
if err != nil {
log.Fatal().Err(err).Msg("")
}
err = store.Rollback(true)
if err != nil {
t.Logf("Rollback failed: %s", err)
t.Fail()
return
}
store.Open()
testVersion(store, version, t)
})
t.Run("Rollback should restore upgrade after backup", func(t *testing.T) {
version := "2.15"
v := models.Version{
SchemaVersion: version,
Edition: int(portainer.PortainerCE),
}
_, store := MustNewTestStore(t, true, false)
store.VersionService.UpdateVersion(&v)
_, err := store.Backup()
if err != nil {
log.Fatal().Err(err).Msg("")
}
v.SchemaVersion = "2.14"
// Change the current edition
err = store.VersionService.UpdateVersion(&v)
if err != nil {
log.Fatal().Err(err).Msg("")
}
err = store.Rollback(true)
if err != nil {
t.Logf("Rollback failed: %s", err)
t.Fail()
return
}
store.Open()
testVersion(store, version, t)
})
}
// migrateDBTestHelper loads a json representation of a bolt database from srcPath,
// parses it into a database, runs a migration on that database, and then
// compares it with an expected output database.
func migrateDBTestHelper(t *testing.T, srcPath, wantPath string, overrideInstanceId bool) error {
srcJSON, err := os.ReadFile(srcPath)
if err != nil {
t.Fatalf("failed loading source JSON file %v: %v", srcPath, err)
}
// Parse source json to db.
// When we create a new test store, it sets its version field automatically to latest.
_, store := MustNewTestStore(t, true, false)
fmt.Println("store.path=", store.GetConnection().GetDatabaseFilePath())
store.connection.DeleteObject("version", []byte("VERSION"))
// defer teardown()
err = importJSON(t, bytes.NewReader(srcJSON), store)
if err != nil {
return err
}
// Run the actual migrations on our input database.
err = store.MigrateData()
if err != nil {
return err
}
if overrideInstanceId {
// old versions of portainer did not have instance-id. Because this gets generated
// we need to override the expected output to match the expected value to pass the test
v, err := store.VersionService.Version()
if err != nil {
return err
}
v.InstanceID = "463d5c47-0ea5-4aca-85b1-405ceefee254"
err = store.VersionService.UpdateVersion(v)
if err != nil {
return err
}
}
// Assert that our database connection is using bolt so we can call
// exportJson rather than ExportRaw. The exportJson function allows us to
// strip out the metadata which we don't want for our tests.
// TODO: update connection interface in CE to allow us to use ExportRaw and pass meta false
err = store.connection.Close()
if err != nil {
t.Fatalf("err closing bolt connection: %v", err)
}
con, ok := store.connection.(*boltdb.DbConnection)
if !ok {
t.Fatalf("backing database is not using boltdb, but the migrations test requires it")
}
// Convert database back to json.
databasePath := con.GetDatabaseFilePath()
if _, err := os.Stat(databasePath); err != nil {
return fmt.Errorf("stat on %s failed: %w", databasePath, err)
}
gotJSON, err := con.ExportJSON(databasePath, false)
if err != nil {
t.Logf(
"failed re-exporting database %s to JSON: %v",
databasePath,
err,
)
}
wantJSON, err := os.ReadFile(wantPath)
if err != nil {
t.Fatalf("failed loading want JSON file %v: %v", wantPath, err)
}
// Compare the result we got with the one we wanted.
if diff := cmp.Diff(wantJSON, gotJSON); diff != "" {
gotPath := filepath.Join(os.TempDir(), "portainer-migrator-test-fail.json")
os.WriteFile(
gotPath,
gotJSON,
0600,
)
t.Errorf(
"migrate data from %s to %s failed\nwrote migrated input to %s\nmismatch (-want +got):\n%s",
srcPath,
wantPath,
gotPath,
diff,
)
}
return nil
}
// importJSON reads input JSON and commits it to a portainer datastore.Store.
// Errors are logged with the testing package.
func importJSON(t *testing.T, r io.Reader, store *Store) error {
objects := make(map[string]interface{})
// Parse json into map of objects.
d := json.NewDecoder(r)
d.UseNumber()
err := d.Decode(&objects)
if err != nil {
return err
}
// Get database connection from store.
con := store.connection
for k, v := range objects {
switch k {
case "version":
versions, ok := v.(map[string]interface{})
if !ok {
t.Logf("failed casting %s to map[string]interface{}", k)
}
// New format db
version, ok := versions["VERSION"]
if ok {
err := con.CreateObjectWithStringId(
k,
[]byte("VERSION"),
version,
)
if err != nil {
t.Logf("failed writing VERSION in %s: %v", k, err)
}
}
// old format db
dbVersion, ok := versions["DB_VERSION"]
if ok {
numDBVersion, ok := dbVersion.(json.Number)
if !ok {
t.Logf("failed parsing DB_VERSION as json number from %s", k)
}
intDBVersion, err := numDBVersion.Int64()
if err != nil {
t.Logf("failed casting %v to int: %v", numDBVersion, intDBVersion)
}
err = con.CreateObjectWithStringId(
k,
[]byte("DB_VERSION"),
int(intDBVersion),
)
if err != nil {
t.Logf("failed writing DB_VERSION in %s: %v", k, err)
}
}
instanceID, ok := versions["INSTANCE_ID"]
if ok {
err = con.CreateObjectWithStringId(
k,
[]byte("INSTANCE_ID"),
instanceID,
)
if err != nil {
t.Logf("failed writing INSTANCE_ID in %s: %v", k, err)
}
}
edition, ok := versions["EDITION"]
if ok {
err = con.CreateObjectWithStringId(
k,
[]byte("EDITION"),
edition,
)
if err != nil {
t.Logf("failed writing EDITION in %s: %v", k, err)
}
}
case "dockerhub":
obj, ok := v.([]interface{})
if !ok {
t.Logf("failed to cast %s to []interface{}", k)
}
err := con.CreateObjectWithStringId(
k,
[]byte("DOCKERHUB"),
obj[0],
)
if err != nil {
t.Logf("failed writing DOCKERHUB in %s: %v", k, err)
}
case "ssl":
obj, ok := v.(map[string]interface{})
if !ok {
t.Logf("failed to case %s to map[string]interface{}", k)
}
err := con.CreateObjectWithStringId(
k,
[]byte("SSL"),
obj,
)
if err != nil {
t.Logf("failed writing SSL in %s: %v", k, err)
}
case "settings":
obj, ok := v.(map[string]interface{})
if !ok {
t.Logf("failed to case %s to map[string]interface{}", k)
}
err := con.CreateObjectWithStringId(
k,
[]byte("SETTINGS"),
obj,
)
if err != nil {
t.Logf("failed writing SETTINGS in %s: %v", k, err)
}
case "tunnel_server":
obj, ok := v.(map[string]interface{})
if !ok {
t.Logf("failed to case %s to map[string]interface{}", k)
}
err := con.CreateObjectWithStringId(
k,
[]byte("INFO"),
obj,
)
if err != nil {
t.Logf("failed writing INFO in %s: %v", k, err)
}
case "templates":
continue
default:
objlist, ok := v.([]interface{})
if !ok {
t.Logf("failed to cast %s to []interface{}", k)
}
for _, obj := range objlist {
value, ok := obj.(map[string]interface{})
if !ok {
t.Logf("failed to cast %v to map[string]interface{}", obj)
} else {
var ok bool
var id interface{}
switch k {
case "endpoint_relations":
// TODO: need to make into an int, then do that weird
// stringification
id, ok = value["EndpointID"]
default:
id, ok = value["Id"]
}
if !ok {
// endpoint_relations: EndpointID
t.Logf("missing Id field: %s", k)
id = "error"
}
n, ok := id.(json.Number)
if !ok {
t.Logf("failed to cast %v to json.Number in %s", id, k)
} else {
key, err := n.Int64()
if err != nil {
t.Logf("failed to cast %v to int in %s", n, k)
} else {
err := con.CreateObjectWithId(
k,
int(key),
value,
)
if err != nil {
t.Logf("failed writing %v in %s: %v", key, k, err)
}
}
}
}
}
}
}
return nil
}