open-vault/plugins/database/postgresql/postgresql_test.go

527 lines
14 KiB
Go

package postgresql
import (
"context"
"database/sql"
"fmt"
"os"
"strings"
"sync"
"testing"
"time"
"github.com/hashicorp/vault/helper/testhelpers/docker"
"github.com/hashicorp/vault/sdk/database/dbplugin"
"github.com/hashicorp/vault/sdk/helper/dbtxn"
"github.com/lib/pq"
"github.com/ory/dockertest"
)
var (
testPostgresImagePull sync.Once
)
func preparePostgresTestContainer(t *testing.T) (cleanup func(), retURL string) {
if os.Getenv("PG_URL") != "" {
return func() {}, os.Getenv("PG_URL")
}
pool, err := dockertest.NewPool("")
if err != nil {
t.Fatalf("Failed to connect to docker: %s", err)
}
resource, err := pool.Run("postgres", "latest", []string{"POSTGRES_PASSWORD=secret", "POSTGRES_DB=database"})
if err != nil {
t.Fatalf("Could not start local PostgreSQL docker container: %s", err)
}
cleanup = func() {
docker.CleanupResource(t, pool, resource)
}
retURL = fmt.Sprintf("postgres://postgres:secret@localhost:%s/database?sslmode=disable", resource.GetPort("5432/tcp"))
// exponential backoff-retry
if err = pool.Retry(func() error {
var err error
var db *sql.DB
db, err = sql.Open("postgres", retURL)
if err != nil {
return err
}
defer db.Close()
return db.Ping()
}); err != nil {
cleanup()
t.Fatalf("Could not connect to PostgreSQL docker container: %s", err)
}
return
}
func TestPostgreSQL_Initialize(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
"max_open_connections": 5,
}
db := new()
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
if !db.Initialized {
t.Fatal("Database should be initialized")
}
err = db.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
// Test decoding a string value for max_open_connections
connectionDetails = map[string]interface{}{
"connection_url": connURL,
"max_open_connections": "5",
}
_, err = db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
}
func TestPostgreSQL_CreateUser(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
db := new()
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
usernameConfig := dbplugin.UsernameConfig{
DisplayName: "test",
RoleName: "test",
}
// Test with no configured Creation Statement
_, _, err = db.CreateUser(context.Background(), dbplugin.Statements{}, usernameConfig, time.Now().Add(time.Minute))
if err == nil {
t.Fatal("Expected error when no creation statement is provided")
}
statements := dbplugin.Statements{
Creation: []string{testPostgresRole},
}
username, password, err := db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(time.Minute))
if err != nil {
t.Fatalf("err: %s", err)
}
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
statements.Creation = []string{testPostgresReadOnlyRole}
username, password, err = db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(time.Minute))
if err != nil {
t.Fatalf("err: %s", err)
}
// Sleep to make sure we haven't expired if granularity is only down to the second
time.Sleep(2 * time.Second)
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
}
func TestPostgreSQL_RenewUser(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
db := new()
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
statements := dbplugin.Statements{
Creation: []string{testPostgresRole},
}
usernameConfig := dbplugin.UsernameConfig{
DisplayName: "test",
RoleName: "test",
}
username, password, err := db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(2*time.Second))
if err != nil {
t.Fatalf("err: %s", err)
}
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
err = db.RenewUser(context.Background(), statements, username, time.Now().Add(time.Minute))
if err != nil {
t.Fatalf("err: %s", err)
}
// Sleep longer than the initial expiration time
time.Sleep(2 * time.Second)
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
statements.Renewal = []string{defaultPostgresRenewSQL}
username, password, err = db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(2*time.Second))
if err != nil {
t.Fatalf("err: %s", err)
}
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
err = db.RenewUser(context.Background(), statements, username, time.Now().Add(time.Minute))
if err != nil {
t.Fatalf("err: %s", err)
}
// Sleep longer than the initial expiration time
time.Sleep(2 * time.Second)
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
}
func TestPostgreSQL_RotateRootCredentials(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
connURL = strings.Replace(connURL, "postgres:secret", `{{username}}:{{password}}`, -1)
connectionDetails := map[string]interface{}{
"connection_url": connURL,
"max_open_connections": 5,
"username": "postgres",
"password": "secret",
}
db := new()
connProducer := db.SQLConnectionProducer
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
if !connProducer.Initialized {
t.Fatal("Database should be initialized")
}
newConf, err := db.RotateRootCredentials(context.Background(), nil)
if err != nil {
t.Fatalf("err: %v", err)
}
if newConf["password"] == "secret" {
t.Fatal("password was not updated")
}
err = db.Close()
if err != nil {
t.Fatalf("err: %s", err)
}
}
func TestPostgreSQL_RevokeUser(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
db := new()
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
statements := dbplugin.Statements{
Creation: []string{testPostgresRole},
}
usernameConfig := dbplugin.UsernameConfig{
DisplayName: "test",
RoleName: "test",
}
username, password, err := db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(2*time.Second))
if err != nil {
t.Fatalf("err: %s", err)
}
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// Test default revoke statements
err = db.RevokeUser(context.Background(), statements, username)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := testCredsExist(t, connURL, username, password); err == nil {
t.Fatal("Credentials were not revoked")
}
username, password, err = db.CreateUser(context.Background(), statements, usernameConfig, time.Now().Add(2*time.Second))
if err != nil {
t.Fatalf("err: %s", err)
}
if err = testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// Test custom revoke statements
statements.Revocation = []string{defaultPostgresRevocationSQL}
err = db.RevokeUser(context.Background(), statements, username)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := testCredsExist(t, connURL, username, password); err == nil {
t.Fatal("Credentials were not revoked")
}
}
func TestPostgresSQL_SetCredentials(t *testing.T) {
cleanup, connURL := preparePostgresTestContainer(t)
defer cleanup()
// create the database user
dbUser := "vaultstatictest"
createTestPGUser(t, connURL, dbUser, "password", testRoleStaticCreate)
connectionDetails := map[string]interface{}{
"connection_url": connURL,
}
db := new()
_, err := db.Init(context.Background(), connectionDetails, true)
if err != nil {
t.Fatalf("err: %s", err)
}
password, err := db.GenerateCredentials(context.Background())
if err != nil {
t.Fatal(err)
}
usernameConfig := dbplugin.StaticUserConfig{
Username: dbUser,
Password: password,
}
// Test with no configured Rotation Statement
username, password, err := db.SetCredentials(context.Background(), dbplugin.Statements{}, usernameConfig)
if err == nil {
t.Fatalf("err: %s", err)
}
statements := dbplugin.Statements{
Rotation: []string{testPostgresStaticRoleRotate},
}
// User should not exist, make sure we can create
username, password, err = db.SetCredentials(context.Background(), statements, usernameConfig)
if err != nil {
t.Fatalf("err: %s", err)
}
if err := testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
// call SetCredentials again, password will change
newPassword, _ := db.GenerateCredentials(context.Background())
usernameConfig.Password = newPassword
username, password, err = db.SetCredentials(context.Background(), statements, usernameConfig)
if err != nil {
t.Fatalf("err: %s", err)
}
if password != newPassword {
t.Fatal("passwords should have changed")
}
if err := testCredsExist(t, connURL, username, password); err != nil {
t.Fatalf("Could not connect with new credentials: %s", err)
}
}
func testCredsExist(t testing.TB, connURL, username, password string) error {
t.Helper()
// Log in with the new creds
connURL = strings.Replace(connURL, "postgres:secret", fmt.Sprintf("%s:%s", username, password), 1)
db, err := sql.Open("postgres", connURL)
if err != nil {
return err
}
defer db.Close()
return db.Ping()
}
const testPostgresRole = `
CREATE ROLE "{{name}}" WITH
LOGIN
PASSWORD '{{password}}'
VALID UNTIL '{{expiration}}';
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO "{{name}}";
`
const testPostgresReadOnlyRole = `
CREATE ROLE "{{name}}" WITH
LOGIN
PASSWORD '{{password}}'
VALID UNTIL '{{expiration}}';
GRANT SELECT ON ALL TABLES IN SCHEMA public TO "{{name}}";
GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO "{{name}}";
`
const testPostgresBlockStatementRole = `
DO $$
BEGIN
IF NOT EXISTS (SELECT * FROM pg_catalog.pg_roles WHERE rolname='foo-role') THEN
CREATE ROLE "foo-role";
CREATE SCHEMA IF NOT EXISTS foo AUTHORIZATION "foo-role";
ALTER ROLE "foo-role" SET search_path = foo;
GRANT TEMPORARY ON DATABASE "postgres" TO "foo-role";
GRANT ALL PRIVILEGES ON SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA foo TO "foo-role";
END IF;
END
$$
CREATE ROLE "{{name}}" WITH LOGIN PASSWORD '{{password}}' VALID UNTIL '{{expiration}}';
GRANT "foo-role" TO "{{name}}";
ALTER ROLE "{{name}}" SET search_path = foo;
GRANT CONNECT ON DATABASE "postgres" TO "{{name}}";
`
var testPostgresBlockStatementRoleSlice = []string{
`
DO $$
BEGIN
IF NOT EXISTS (SELECT * FROM pg_catalog.pg_roles WHERE rolname='foo-role') THEN
CREATE ROLE "foo-role";
CREATE SCHEMA IF NOT EXISTS foo AUTHORIZATION "foo-role";
ALTER ROLE "foo-role" SET search_path = foo;
GRANT TEMPORARY ON DATABASE "postgres" TO "foo-role";
GRANT ALL PRIVILEGES ON SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA foo TO "foo-role";
GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA foo TO "foo-role";
END IF;
END
$$
`,
`CREATE ROLE "{{name}}" WITH LOGIN PASSWORD '{{password}}' VALID UNTIL '{{expiration}}';`,
`GRANT "foo-role" TO "{{name}}";`,
`ALTER ROLE "{{name}}" SET search_path = foo;`,
`GRANT CONNECT ON DATABASE "postgres" TO "{{name}}";`,
}
const defaultPostgresRevocationSQL = `
REVOKE ALL PRIVILEGES ON ALL TABLES IN SCHEMA public FROM "{{name}}";
REVOKE ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public FROM "{{name}}";
REVOKE USAGE ON SCHEMA public FROM "{{name}}";
DROP ROLE IF EXISTS "{{name}}";
`
const testPostgresStaticRole = `
CREATE ROLE "{{name}}" WITH
LOGIN
PASSWORD '{{password}}';
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO "{{name}}";
`
const testRoleStaticCreate = `
CREATE ROLE "{{name}}" WITH
LOGIN
PASSWORD '{{password}}';
`
const testPostgresStaticRoleRotate = `
ALTER ROLE "{{name}}" WITH PASSWORD '{{password}}';
`
const testPostgresStaticRoleGrant = `
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO "{{name}}";
`
// This is a copy of a test helper method also found in
// builtin/logical/database/rotation_test.go , and should be moved into a shared
// helper file in the future.
func createTestPGUser(t *testing.T, connURL string, username, password, query string) {
t.Helper()
conn, err := pq.ParseURL(connURL)
if err != nil {
t.Fatal(err)
}
db, err := sql.Open("postgres", conn)
defer db.Close()
if err != nil {
t.Fatal(err)
}
// Start a transaction
ctx := context.Background()
tx, err := db.BeginTx(ctx, nil)
if err != nil {
t.Fatal(err)
}
defer func() {
_ = tx.Rollback()
}()
m := map[string]string{
"name": username,
"password": password,
}
if err := dbtxn.ExecuteTxQuery(ctx, tx, m, query); err != nil {
t.Fatal(err)
}
// Commit the transaction
if err := tx.Commit(); err != nil {
t.Fatal(err)
}
}