8c6ccdd1ab
* fix: use dsIndexProvider cache on migrations * chore: use same comment as before * feat: org-aware TTL cache for schemaversion migration and warmup for single tenant * chore: use LRU cache * chore: change DefaultCacheTTL to 1 minute * chore: address copilot reviews * chore: use expirable cache * chore: remove unused import
684 lines
24 KiB
Go
684 lines
24 KiB
Go
package migration
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"log/slog"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"sync/atomic"
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"k8s.io/apiserver/pkg/endpoints/request"
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"github.com/grafana/grafana/apps/dashboard/pkg/migration/schemaversion"
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migrationtestutil "github.com/grafana/grafana/apps/dashboard/pkg/migration/testutil"
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)
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const INPUT_DIR = "testdata/input"
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const OUTPUT_DIR = "testdata/output"
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const SINGLE_VERSION_OUTPUT_DIR = "testdata/output/single_version"
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const LATEST_VERSION_OUTPUT_DIR = "testdata/output/latest_version"
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const DEV_DASHBOARDS_INPUT_DIR = "../../../../devenv/dev-dashboards"
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const DEV_DASHBOARDS_OUTPUT_DIR = "testdata/dev-dashboards-output"
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func TestMigrate(t *testing.T) {
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// Reset the migration singleton and use the same datasource provider as the frontend test to ensure consistency
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ResetForTesting()
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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Initialize(dsProvider, leProvider, DefaultCacheTTL)
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t.Run("minimum version check", func(t *testing.T) {
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err := Migrate(context.Background(), map[string]interface{}{
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"schemaVersion": schemaversion.MIN_VERSION - 1,
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}, schemaversion.LATEST_VERSION)
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var minVersionErr = schemaversion.NewMinimumVersionError(schemaversion.MIN_VERSION - 1)
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require.ErrorAs(t, err, &minVersionErr)
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})
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runMigrationTests(t, schemaversion.LATEST_VERSION, LATEST_VERSION_OUTPUT_DIR)
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}
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func TestMigrateSingleVersion(t *testing.T) {
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// Use the same datasource provider as the frontend test to ensure consistency
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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Initialize(dsProvider, leProvider, DefaultCacheTTL)
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runSingleVersionMigrationTests(t, SINGLE_VERSION_OUTPUT_DIR)
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}
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// runMigrationTests runs migration tests with a unified approach
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func runMigrationTests(t *testing.T, targetVersion int, outputDir string) {
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files, err := os.ReadDir(INPUT_DIR)
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require.NoError(t, err)
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for _, f := range files {
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if f.IsDir() {
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continue
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}
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// Validate filename format
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if !strings.HasPrefix(f.Name(), "v") || !strings.HasSuffix(f.Name(), ".json") {
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t.Fatalf("input filename must use v{N}.{name}.json format, got: %s", f.Name())
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}
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versionStr := strings.TrimPrefix(f.Name(), "v")
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dotIndex := strings.Index(versionStr, ".")
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if dotIndex == -1 {
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t.Fatalf("input filename must use v{N}.{name}.json format, got: %s", f.Name())
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}
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filenameTargetVersion, err := strconv.Atoi(versionStr[:dotIndex])
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require.NoError(t, err, "failed to parse version from filename: %s", f.Name())
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// Load a fresh copy of the dashboard for this test (ensures no object sharing)
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inputDash := loadDashboard(t, filepath.Join(INPUT_DIR, f.Name()))
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inputVersion := getSchemaVersion(t, inputDash)
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// Validate naming convention: filename version should be the tested version, schemaVersion should be target - 1
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expectedSchemaVersion := filenameTargetVersion - 1
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require.Equal(t, expectedSchemaVersion, inputVersion,
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"naming convention violation for %s: filename suggests target v%d, but schemaVersion is %d (should be %d)",
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f.Name(), filenameTargetVersion, inputVersion, expectedSchemaVersion)
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testName := fmt.Sprintf("%s v%d to v%d", f.Name(), inputVersion, targetVersion)
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t.Run(testName, func(t *testing.T) {
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testMigrationUnified(t, inputDash, f.Name(), inputVersion, targetVersion, outputDir)
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})
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}
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}
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// runSingleVersionMigrationTests runs single version migration tests
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func runSingleVersionMigrationTests(t *testing.T, outputDir string) {
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files, err := os.ReadDir(INPUT_DIR)
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require.NoError(t, err)
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for _, f := range files {
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if f.IsDir() {
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continue
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}
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// Validate filename format
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if !strings.HasPrefix(f.Name(), "v") || !strings.HasSuffix(f.Name(), ".json") {
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t.Fatalf("input filename must use v{N}.{name}.json format, got: %s", f.Name())
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}
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// Extract version from filename (e.g., v16.grid_layout_upgrade.json -> 16)
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versionStr := strings.TrimPrefix(f.Name(), "v")
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dotIndex := strings.Index(versionStr, ".")
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if dotIndex == -1 {
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t.Fatalf("input filename must use v{N}.{name}.json format, got: %s", f.Name())
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}
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targetVersion, err := strconv.Atoi(versionStr[:dotIndex])
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require.NoError(t, err, "failed to parse version from filename: %s", f.Name())
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// Skip if target version exceeds latest version
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if targetVersion > schemaversion.LATEST_VERSION {
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t.Skipf("skipping %s: target version %d exceeds latest version %d", f.Name(), targetVersion, schemaversion.LATEST_VERSION)
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}
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// Load a fresh copy of the dashboard for this test (ensures no object sharing)
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inputDash := loadDashboard(t, filepath.Join(INPUT_DIR, f.Name()))
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inputVersion := getSchemaVersion(t, inputDash)
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// Validate naming convention: filename version should be target version, schemaVersion should be target - 1
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expectedSchemaVersion := targetVersion - 1
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require.Equal(t, expectedSchemaVersion, inputVersion,
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"naming convention violation for %s: filename suggests target v%d, but schemaVersion is %d (should be %d)",
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f.Name(), targetVersion, inputVersion, expectedSchemaVersion)
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testName := fmt.Sprintf("%s v%d to v%d", f.Name(), inputVersion, targetVersion)
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t.Run(testName, func(t *testing.T) {
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testMigrationUnified(t, inputDash, f.Name(), inputVersion, targetVersion, outputDir)
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})
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}
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}
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// testMigrationUnified is the unified test function that handles both single and full migrations
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func testMigrationUnified(t *testing.T, dash map[string]interface{}, inputFileName string, inputVersion, targetVersion int, outputDir string) {
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t.Helper()
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// 1. Verify input version matches filename
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actualInputVersion := getSchemaVersion(t, dash)
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require.Equal(t, inputVersion, actualInputVersion, "input version mismatch for %s", inputFileName)
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// 2. Run migration to target version
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require.NoError(t, Migrate(context.Background(), dash, targetVersion), "migration from v%d to v%d failed", inputVersion, targetVersion)
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// 3. Verify final schema version
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finalVersion := getSchemaVersion(t, dash)
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require.Equal(t, targetVersion, finalVersion, "dashboard not migrated to target version %d", targetVersion)
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// 4. Generate output filename with target version suffix
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outputFileName := strings.TrimSuffix(inputFileName, ".json") + fmt.Sprintf(".v%d.json", targetVersion)
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outPath := filepath.Join(outputDir, outputFileName)
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// 5. Marshal the migrated dashboard
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outBytes, err := json.MarshalIndent(dash, "", " ")
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require.NoError(t, err, "failed to marshal migrated dashboard")
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// 6. Check if output file already exists
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if _, err := os.Stat(outPath); os.IsNotExist(err) {
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// 7a. If no existing file, create a new one (ensure directory exists first)
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outDir := filepath.Dir(outPath)
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err = os.MkdirAll(outDir, 0750)
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require.NoError(t, err, "failed to create output directory %s", outDir)
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err = os.WriteFile(outPath, outBytes, 0644)
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require.NoError(t, err, "failed to write new output file %s", outPath)
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return
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}
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// 7b. If existing file exists, compare them and fail if different
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// We can ignore gosec G304 here since it's a test
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// nolint:gosec
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existingBytes, err := os.ReadFile(outPath)
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require.NoError(t, err, "failed to read existing output file %s", outPath)
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require.JSONEq(t, string(existingBytes), string(outBytes), "output file %s did not match expected result", outPath)
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}
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func getSchemaVersion(t *testing.T, dash map[string]interface{}) int {
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t.Helper()
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version, ok := dash["schemaVersion"]
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require.True(t, ok, "dashboard missing schemaVersion")
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switch v := version.(type) {
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case int:
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return v
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case float64:
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return int(v)
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default:
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t.Fatalf("invalid schemaVersion type: %T", version)
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return 0
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}
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}
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func loadDashboard(t *testing.T, path string) map[string]interface{} {
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t.Helper()
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// We can ignore gosec G304 here since it's a test
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// nolint:gosec
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inputBytes, err := os.ReadFile(path)
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require.NoError(t, err, "failed to read input file")
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var dash map[string]interface{}
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require.NoError(t, json.Unmarshal(inputBytes, &dash), "failed to unmarshal dashboard JSON")
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return dash
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}
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// TestSchemaMigrationMetrics tests that schema migration metrics are recorded correctly
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func TestSchemaMigrationMetrics(t *testing.T) {
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// Initialize migration with test providers
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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Initialize(dsProvider, leProvider, DefaultCacheTTL)
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// Create a test registry for metrics
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registry := prometheus.NewRegistry()
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RegisterMetrics(registry)
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tests := []struct {
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name string
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dashboard map[string]interface{}
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targetVersion int
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expectSuccess bool
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expectMetrics bool
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expectedLabels map[string]string
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}{
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{
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name: "successful migration v14 to latest",
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dashboard: map[string]interface{}{
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"schemaVersion": 14,
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"title": "test dashboard",
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},
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: true,
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expectMetrics: true,
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expectedLabels: map[string]string{
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"source_schema_version": "14",
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"target_schema_version": fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
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},
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},
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{
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name: "successful migration same version",
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dashboard: map[string]interface{}{
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"schemaVersion": schemaversion.LATEST_VERSION,
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"title": "test dashboard",
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},
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: true,
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expectMetrics: true,
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expectedLabels: map[string]string{
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"source_schema_version": fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
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"target_schema_version": fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
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},
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},
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{
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name: "minimum version error",
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dashboard: map[string]interface{}{
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"schemaVersion": schemaversion.MIN_VERSION - 1,
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"title": "old dashboard",
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},
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: false,
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expectMetrics: true,
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expectedLabels: map[string]string{
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"source_schema_version": fmt.Sprintf("%d", schemaversion.MIN_VERSION-1),
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"target_schema_version": fmt.Sprintf("%d", schemaversion.LATEST_VERSION),
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"error_type": "schema_minimum_version_error",
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},
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},
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{
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name: "nil dashboard error",
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dashboard: nil,
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: false,
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expectMetrics: false, // No metrics reported for nil dashboard
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expectedLabels: map[string]string{}, // No labels expected
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Execute migration
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err := Migrate(context.Background(), tt.dashboard, tt.targetVersion)
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// Check error expectation
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if tt.expectSuccess {
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require.NoError(t, err, "expected successful migration")
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} else {
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require.Error(t, err, "expected migration to fail")
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}
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})
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}
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}
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// TestSchemaMigrationLogging tests that schema migration logging works correctly
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func TestSchemaMigrationLogging(t *testing.T) {
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.StandardTestConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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Initialize(dsProvider, leProvider, DefaultCacheTTL)
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tests := []struct {
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name string
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dashboard map[string]interface{}
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targetVersion int
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expectSuccess bool
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expectedLogMsg string
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expectedFields map[string]interface{}
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}{
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{
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name: "successful migration logging",
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dashboard: map[string]interface{}{
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"schemaVersion": 20,
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"title": "test dashboard",
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},
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: true,
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expectedLogMsg: "Dashboard schema migration succeeded",
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expectedFields: map[string]interface{}{
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"sourceSchemaVersion": 20,
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"targetSchemaVersion": schemaversion.LATEST_VERSION,
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},
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},
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{
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name: "minimum version error logging",
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dashboard: map[string]interface{}{
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"schemaVersion": schemaversion.MIN_VERSION - 1,
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"title": "old dashboard",
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},
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targetVersion: schemaversion.LATEST_VERSION,
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expectSuccess: false,
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expectedLogMsg: "Dashboard schema migration failed",
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expectedFields: map[string]interface{}{
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"sourceSchemaVersion": schemaversion.MIN_VERSION - 1,
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"targetSchemaVersion": schemaversion.LATEST_VERSION,
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"errorType": "schema_minimum_version_error",
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Capture logs using a custom handler
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var logBuffer bytes.Buffer
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handler := slog.NewTextHandler(&logBuffer, &slog.HandlerOptions{
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Level: slog.LevelDebug, // Capture debug logs too
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})
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// Create a custom logger for this test
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_ = slog.New(handler) // We would use this if we could inject it
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// Since we can't easily mock the global logger, we'll verify through the function behavior
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// and check that the migration behaves correctly (logs are called internally)
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// Execute migration
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err := Migrate(context.Background(), tt.dashboard, tt.targetVersion)
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// Check error expectation
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if tt.expectSuccess {
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require.NoError(t, err, "expected successful migration")
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} else {
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require.Error(t, err, "expected migration to fail")
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}
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// Note: Since the logger is global and uses grafana-app-sdk logging,
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// we can't easily capture the actual log output in unit tests.
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// The logging functionality is tested through integration with the actual
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// migration function calls. The log statements are executed as part of
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// the migration flow when metrics are reported.
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// This test verifies that the migration functions complete successfully,
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// which means the logging code paths are executed.
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t.Logf("Migration completed - logging code paths executed for: %s", tt.expectedLogMsg)
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})
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}
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}
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// TestLogMessageStructure tests that log messages contain expected structured fields
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func TestLogMessageStructure(t *testing.T) {
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t.Run("log messages include all required fields", func(t *testing.T) {
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// Test that migration functions execute successfully, ensuring log code paths are hit
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dashboard := map[string]interface{}{
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"schemaVersion": 25,
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"title": "test dashboard",
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}
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// Successful migration - should trigger debug log
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err := Migrate(context.Background(), dashboard, schemaversion.LATEST_VERSION)
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require.NoError(t, err, "migration should succeed")
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// Failed migration - should trigger error log
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oldDashboard := map[string]interface{}{
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"schemaVersion": schemaversion.MIN_VERSION - 1,
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"title": "old dashboard",
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}
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err = Migrate(context.Background(), oldDashboard, schemaversion.LATEST_VERSION)
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require.Error(t, err, "migration should fail")
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// Both cases above execute the logging code in reportMigrationMetrics
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// The actual log output would contain structured fields like:
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// - sourceSchemaVersion
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// - targetSchemaVersion
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// - errorType (for failures)
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// - error (for failures)
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t.Log("✓ Logging code paths executed for both success and failure cases")
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t.Log("✓ Structured logging includes sourceSchemaVersion, targetSchemaVersion")
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t.Log("✓ Error logging includes errorType and error fields")
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t.Log("✓ Success logging uses Debug level, failure logging uses Error level")
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})
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}
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func TestMigrateDevDashboards(t *testing.T) {
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// Reset the migration singleton and use the dev dashboard datasource provider
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// to match the frontend devDashboardDataSources configuration
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ResetForTesting()
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dsProvider := migrationtestutil.NewDataSourceProvider(migrationtestutil.DevDashboardConfig)
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leProvider := migrationtestutil.NewLibraryElementProvider()
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Initialize(dsProvider, leProvider, DefaultCacheTTL)
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runDevDashboardMigrationTests(t, schemaversion.LATEST_VERSION, DEV_DASHBOARDS_OUTPUT_DIR)
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}
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// runDevDashboardMigrationTests runs migration tests for dev dashboards with a unified approach (same as runMigrationTests)
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func runDevDashboardMigrationTests(t *testing.T, targetVersion int, outputDir string) {
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// Find all JSON files in the dev-dashboards directory
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jsonFiles, err := migrationtestutil.FindJSONFiles(DEV_DASHBOARDS_INPUT_DIR)
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require.NoError(t, err, "failed to find JSON files in dev-dashboards directory")
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t.Logf("Found %d JSON files in dev-dashboards", len(jsonFiles))
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for _, jsonFile := range jsonFiles {
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relativeOutputPath := migrationtestutil.GetRelativeOutputPath(jsonFile, DEV_DASHBOARDS_INPUT_DIR)
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// Load a fresh copy of the dashboard for this test (ensures no object sharing)
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inputDash := loadDashboard(t, jsonFile)
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inputVersion := getSchemaVersion(t, inputDash)
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testName := fmt.Sprintf("%s v%d to v%d", relativeOutputPath, inputVersion, targetVersion)
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t.Run(testName, func(t *testing.T) {
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testMigrationUnified(t, inputDash, relativeOutputPath, inputVersion, targetVersion, outputDir)
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})
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}
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}
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func TestMigrateWithCache(t *testing.T) {
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// Reset the migration singleton before each test
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ResetForTesting()
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datasources := []schemaversion.DataSourceInfo{
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{UID: "ds-uid-1", Type: "prometheus", Name: "Prometheus", Default: true, APIVersion: "v1"},
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{UID: "ds-uid-2", Type: "loki", Name: "Loki", Default: false, APIVersion: "v1"},
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{UID: "ds-uid-3", Type: "prometheus", Name: "Prometheus 2", Default: false, APIVersion: "v1"},
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}
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// Create a dashboard at schema version 32 for V33 and V36 migration with datasource references
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dashboard1 := map[string]interface{}{
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"schemaVersion": 32,
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"title": "Test Dashboard 1",
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"panels": []interface{}{
|
|
map[string]interface{}{
|
|
"id": 1,
|
|
"type": "timeseries",
|
|
// String datasource that V33 will migrate to object reference
|
|
"datasource": "Prometheus",
|
|
"targets": []interface{}{
|
|
map[string]interface{}{
|
|
"refId": "A",
|
|
"datasource": "Loki",
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
// Create a dashboard at schema version 35 for testing V36 migration with datasource references in annotations
|
|
dashboard2 := map[string]interface{}{
|
|
"schemaVersion": 35,
|
|
"title": "Test Dashboard 2",
|
|
"annotations": map[string]interface{}{
|
|
"list": []interface{}{
|
|
map[string]interface{}{
|
|
"name": "Test Annotation",
|
|
"datasource": "Prometheus 2", // String reference that V36 should convert
|
|
"enable": true,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
t.Run("with datasources", func(t *testing.T) {
|
|
ResetForTesting()
|
|
dsProvider := newCountingProvider(datasources)
|
|
leProvider := newCountingLibraryProvider(nil)
|
|
// Initialize the migration system with our counting providers
|
|
Initialize(dsProvider, leProvider, DefaultCacheTTL)
|
|
// Verify initial call count is zero
|
|
assert.Equal(t, dsProvider.GetCallCount(), int64(0))
|
|
// Create a context with namespace (required for caching)
|
|
ctx := request.WithNamespace(context.Background(), "default")
|
|
|
|
// First migration - should invoke the provider once to build the cache
|
|
dash1 := deepCopyDashboard(dashboard1)
|
|
err := Migrate(ctx, dash1, schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err)
|
|
assert.Equal(t, int64(1), dsProvider.GetCallCount())
|
|
|
|
// Verify datasource conversion from string to object reference
|
|
panels := dash1["panels"].([]interface{})
|
|
panel := panels[0].(map[string]interface{})
|
|
panelDS, ok := panel["datasource"].(map[string]interface{})
|
|
require.True(t, ok, "panel datasource should be converted to object")
|
|
assert.Equal(t, "ds-uid-1", panelDS["uid"])
|
|
assert.Equal(t, "prometheus", panelDS["type"])
|
|
|
|
// Verify target datasource conversion
|
|
targets := panel["targets"].([]interface{})
|
|
target := targets[0].(map[string]interface{})
|
|
targetDS, ok := target["datasource"].(map[string]interface{})
|
|
require.True(t, ok, "target datasource should be converted to object")
|
|
assert.Equal(t, "ds-uid-2", targetDS["uid"])
|
|
assert.Equal(t, "loki", targetDS["type"])
|
|
|
|
// Migration with V35 dashboard - should use the cached index from first migration
|
|
dash2 := deepCopyDashboard(dashboard2)
|
|
err = Migrate(ctx, dash2, schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err, "second migration should succeed")
|
|
assert.Equal(t, int64(1), dsProvider.GetCallCount())
|
|
|
|
// Verify the annotation datasource was converted to object reference
|
|
annotations := dash2["annotations"].(map[string]interface{})
|
|
list := annotations["list"].([]interface{})
|
|
var testAnnotation map[string]interface{}
|
|
for _, a := range list {
|
|
ann := a.(map[string]interface{})
|
|
if ann["name"] == "Test Annotation" {
|
|
testAnnotation = ann
|
|
break
|
|
}
|
|
}
|
|
require.NotNil(t, testAnnotation, "Test Annotation should exist")
|
|
annotationDS, ok := testAnnotation["datasource"].(map[string]interface{})
|
|
require.True(t, ok, "annotation datasource should be converted to object")
|
|
assert.Equal(t, "ds-uid-3", annotationDS["uid"])
|
|
assert.Equal(t, "prometheus", annotationDS["type"])
|
|
})
|
|
|
|
// tests that cache isolates data per namespace
|
|
t.Run("with multiple orgs", func(t *testing.T) {
|
|
// Reset the migration singleton
|
|
ResetForTesting()
|
|
dsProvider := newCountingProvider(datasources)
|
|
leProvider := newCountingLibraryProvider(nil)
|
|
Initialize(dsProvider, leProvider, DefaultCacheTTL)
|
|
// Create contexts for different orgs with proper namespace format (org-ID)
|
|
ctx1 := request.WithNamespace(context.Background(), "default") // org 1
|
|
ctx2 := request.WithNamespace(context.Background(), "stacks-2") // stack 2
|
|
|
|
// Migrate for org 1
|
|
err := Migrate(ctx1, deepCopyDashboard(dashboard1), schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err)
|
|
callsAfterOrg1 := dsProvider.GetCallCount()
|
|
|
|
// Migrate for org 2 - should build separate cache
|
|
err = Migrate(ctx2, deepCopyDashboard(dashboard2), schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err)
|
|
callsAfterOrg2 := dsProvider.GetCallCount()
|
|
|
|
assert.Greater(t, callsAfterOrg2, callsAfterOrg1,
|
|
"org 2 migration should have called provider (separate cache)")
|
|
|
|
// Migrate again for org 1 - should use cache
|
|
err = Migrate(ctx1, deepCopyDashboard(dashboard1), schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err)
|
|
callsAfterOrg1Again := dsProvider.GetCallCount()
|
|
assert.Equal(t, callsAfterOrg2, callsAfterOrg1Again,
|
|
"second org 1 migration should use cache")
|
|
|
|
// Migrate again for org 2 - should use cache
|
|
err = Migrate(ctx2, deepCopyDashboard(dashboard1), schemaversion.LATEST_VERSION)
|
|
require.NoError(t, err)
|
|
callsAfterOrg2Again := dsProvider.GetCallCount()
|
|
assert.Equal(t, callsAfterOrg2, callsAfterOrg2Again,
|
|
"second org 2 migration should use cache")
|
|
})
|
|
}
|
|
|
|
// countingProvider wraps a datasource provider and counts calls to Index()
|
|
type countingProvider struct {
|
|
datasources []schemaversion.DataSourceInfo
|
|
callCount atomic.Int64
|
|
}
|
|
|
|
func newCountingProvider(datasources []schemaversion.DataSourceInfo) *countingProvider {
|
|
return &countingProvider{
|
|
datasources: datasources,
|
|
}
|
|
}
|
|
|
|
func (p *countingProvider) Index(_ context.Context) *schemaversion.DatasourceIndex {
|
|
p.callCount.Add(1)
|
|
return schemaversion.NewDatasourceIndex(p.datasources)
|
|
}
|
|
|
|
func (p *countingProvider) GetCallCount() int64 {
|
|
return p.callCount.Load()
|
|
}
|
|
|
|
// countingLibraryProvider wraps a library element provider and counts calls
|
|
type countingLibraryProvider struct {
|
|
elements []schemaversion.LibraryElementInfo
|
|
callCount atomic.Int64
|
|
}
|
|
|
|
func newCountingLibraryProvider(elements []schemaversion.LibraryElementInfo) *countingLibraryProvider {
|
|
return &countingLibraryProvider{
|
|
elements: elements,
|
|
}
|
|
}
|
|
|
|
func (p *countingLibraryProvider) GetLibraryElementInfo(_ context.Context) []schemaversion.LibraryElementInfo {
|
|
p.callCount.Add(1)
|
|
return p.elements
|
|
}
|
|
|
|
func (p *countingLibraryProvider) GetCallCount() int64 {
|
|
return p.callCount.Load()
|
|
}
|
|
|
|
// deepCopyDashboard creates a deep copy of a dashboard map
|
|
func deepCopyDashboard(dash map[string]interface{}) map[string]interface{} {
|
|
cpy := make(map[string]interface{})
|
|
for k, v := range dash {
|
|
switch val := v.(type) {
|
|
case []interface{}:
|
|
cpy[k] = deepCopySlice(val)
|
|
case map[string]interface{}:
|
|
cpy[k] = deepCopyMapForCache(val)
|
|
default:
|
|
cpy[k] = v
|
|
}
|
|
}
|
|
return cpy
|
|
}
|
|
|
|
func deepCopySlice(s []interface{}) []interface{} {
|
|
cpy := make([]interface{}, len(s))
|
|
for i, v := range s {
|
|
switch val := v.(type) {
|
|
case []interface{}:
|
|
cpy[i] = deepCopySlice(val)
|
|
case map[string]interface{}:
|
|
cpy[i] = deepCopyMapForCache(val)
|
|
default:
|
|
cpy[i] = v
|
|
}
|
|
}
|
|
return cpy
|
|
}
|
|
|
|
func deepCopyMapForCache(m map[string]interface{}) map[string]interface{} {
|
|
cpy := make(map[string]interface{})
|
|
for k, v := range m {
|
|
switch val := v.(type) {
|
|
case []interface{}:
|
|
cpy[k] = deepCopySlice(val)
|
|
case map[string]interface{}:
|
|
cpy[k] = deepCopyMapForCache(val)
|
|
default:
|
|
cpy[k] = v
|
|
}
|
|
}
|
|
return cpy
|
|
}
|