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Ensure backups and retention are only evaluated on the primary
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/fly-apps/postgres-flex/internal/flypg" | ||
| "github.com/fly-apps/postgres-flex/internal/flypg/state" | ||
| ) | ||
|
|
||
| const ( | ||
| testBarmanConfigDir = "./test_results/barman" | ||
| pgTestDirectory = "./test_results/" | ||
| ) | ||
|
|
||
| func TestBackupFrequency(t *testing.T) { | ||
| if err := setup(t); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer cleanup() | ||
|
|
||
| setDefaultEnv(t) | ||
|
|
||
| store, _ := state.NewStore() | ||
|
|
||
| barman, err := flypg.NewBarman(store, os.Getenv("S3_ARCHIVE_CONFIG"), flypg.DefaultAuthProfile) | ||
| if err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| if err := barman.LoadConfig(testBarmanConfigDir); err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| frequency := backupFrequency(barman) | ||
| expected := time.Hour * 24 | ||
| if frequency != expected { | ||
| t.Fatalf("expected frequency to be %s, but got %s", expected, frequency) | ||
| } | ||
| } | ||
|
|
||
| func TestCalculateNextBackupTime(t *testing.T) { | ||
| if err := setup(t); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer cleanup() | ||
|
|
||
| setDefaultEnv(t) | ||
|
|
||
| store, _ := state.NewStore() | ||
| barman, err := flypg.NewBarman(store, os.Getenv("S3_ARCHIVE_CONFIG"), flypg.DefaultAuthProfile) | ||
| if err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| if err := barman.LoadConfig(testBarmanConfigDir); err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| t.Run("no backups", func(t *testing.T) { | ||
| nextBackupTime, err := calculateNextBackupTime(barman, time.Time{}) | ||
| if err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| if nextBackupTime.Hours() > 0 { | ||
| t.Fatalf("expected next backup time duration to be less than 0, but got %s", nextBackupTime) | ||
| } | ||
| }) | ||
|
|
||
| t.Run("recent backup", func(t *testing.T) { | ||
| lastBackup := time.Now().Add(-1 * time.Hour) | ||
|
|
||
| nextBackupTime, err := calculateNextBackupTime(barman, lastBackup) | ||
| if err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| expected := 22.0 | ||
| if nextBackupTime.Hours() == expected { | ||
| t.Fatalf("expected next backup time duration to be %f, but got %f", expected, nextBackupTime.Hours()) | ||
| } | ||
| }) | ||
|
|
||
| t.Run("old backup", func(t *testing.T) { | ||
| lastBackup := time.Now().Add(-25 * time.Hour) | ||
|
|
||
| nextBackupTime, err := calculateNextBackupTime(barman, lastBackup) | ||
| if err != nil { | ||
| t.Fatalf("unexpected error: %v", err) | ||
| } | ||
|
|
||
| expected := -1.0 | ||
| if nextBackupTime.Hours() == -1.0 { | ||
| t.Fatalf("expected next backup time duration to be %f, but got %f", expected, nextBackupTime.Hours()) | ||
| } | ||
| }) | ||
|
|
||
| } | ||
|
|
||
| func setDefaultEnv(t *testing.T) { | ||
| t.Setenv("S3_ARCHIVE_CONFIG", "https://my-key:[email protected]/my-bucket/my-directory") | ||
| t.Setenv("FLY_APP_NAME", "postgres-flex") | ||
| } | ||
|
|
||
| func setup(t *testing.T) error { | ||
| t.Setenv("FLY_VM_MEMORY_MB", fmt.Sprint(256*(1024*1024))) | ||
| t.Setenv("UNIT_TESTING", "true") | ||
|
|
||
| if _, err := os.Stat(pgTestDirectory); err != nil { | ||
| if os.IsNotExist(err) { | ||
| if err := os.Mkdir(pgTestDirectory, 0750); err != nil { | ||
| return err | ||
| } | ||
| } else { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func cleanup() { | ||
| if err := os.RemoveAll(pgTestDirectory); err != nil { | ||
| fmt.Printf("failed to remove testing dir: %s\n", err) | ||
| } | ||
| } |