open-vault/builtin/logical/postgresql/backend_test.go
Jeff Mitchell 80dc5819d3 Use dockertest.v2 (#2247)
New dockertest has a totally different API and will require some serious
refactoring. This will tide over until then by pinning the API version.
2017-01-09 13:46:54 -05:00

621 lines
16 KiB
Go

package postgresql
import (
"database/sql"
"encoding/json"
"fmt"
"log"
"os"
"path"
"reflect"
"sync"
"testing"
"time"
"github.com/hashicorp/vault/logical"
logicaltest "github.com/hashicorp/vault/logical/testing"
"github.com/lib/pq"
"github.com/mitchellh/mapstructure"
dockertest "gopkg.in/ory-am/dockertest.v2"
)
var (
testImagePull sync.Once
)
func prepareTestContainer(t *testing.T, s logical.Storage, b logical.Backend) (cid dockertest.ContainerID, retURL string) {
if os.Getenv("PG_URL") != "" {
return "", os.Getenv("PG_URL")
}
// Without this the checks for whether the container has started seem to
// never actually pass. There's really no reason to expose the test
// containers, so don't.
dockertest.BindDockerToLocalhost = "yep"
testImagePull.Do(func() {
dockertest.Pull("postgres")
})
cid, connErr := dockertest.ConnectToPostgreSQL(60, 500*time.Millisecond, func(connURL string) bool {
// This will cause a validation to run
resp, err := b.HandleRequest(&logical.Request{
Storage: s,
Operation: logical.UpdateOperation,
Path: "config/connection",
Data: map[string]interface{}{
"connection_url": connURL,
},
})
if err != nil || (resp != nil && resp.IsError()) {
// It's likely not up and running yet, so return false and try again
return false
}
if resp == nil {
t.Fatal("expected warning")
}
retURL = connURL
return true
})
if connErr != nil {
t.Fatalf("could not connect to database: %v", connErr)
}
return
}
func cleanupTestContainer(t *testing.T, cid dockertest.ContainerID) {
err := cid.KillRemove()
if err != nil {
t.Fatal(err)
}
}
func TestBackend_config_connection(t *testing.T) {
var resp *logical.Response
var err error
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
configData := map[string]interface{}{
"connection_url": "sample_connection_url",
"value": "",
"max_open_connections": 9,
"max_idle_connections": 7,
"verify_connection": false,
}
configReq := &logical.Request{
Operation: logical.UpdateOperation,
Path: "config/connection",
Storage: config.StorageView,
Data: configData,
}
resp, err = b.HandleRequest(configReq)
if err != nil || (resp != nil && resp.IsError()) {
t.Fatalf("err:%s resp:%#v\n", err, resp)
}
configReq.Operation = logical.ReadOperation
resp, err = b.HandleRequest(configReq)
if err != nil || (resp != nil && resp.IsError()) {
t.Fatalf("err:%s resp:%#v\n", err, resp)
}
delete(configData, "verify_connection")
if !reflect.DeepEqual(configData, resp.Data) {
t.Fatalf("bad: expected:%#v\nactual:%#v\n", configData, resp.Data)
}
}
func TestBackend_basic(t *testing.T) {
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
cid, connURL := prepareTestContainer(t, config.StorageView, b)
if cid != "" {
defer cleanupTestContainer(t, cid)
}
connData := map[string]interface{}{
"connection_url": connURL,
}
logicaltest.Test(t, logicaltest.TestCase{
Backend: b,
Steps: []logicaltest.TestStep{
testAccStepConfig(t, connData, false),
testAccStepCreateRole(t, "web", testRole, false),
testAccStepReadCreds(t, b, config.StorageView, "web", connURL),
},
})
}
func TestBackend_roleCrud(t *testing.T) {
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
cid, connURL := prepareTestContainer(t, config.StorageView, b)
if cid != "" {
defer cleanupTestContainer(t, cid)
}
connData := map[string]interface{}{
"connection_url": connURL,
}
logicaltest.Test(t, logicaltest.TestCase{
Backend: b,
Steps: []logicaltest.TestStep{
testAccStepConfig(t, connData, false),
testAccStepCreateRole(t, "web", testRole, false),
testAccStepReadRole(t, "web", testRole),
testAccStepDeleteRole(t, "web"),
testAccStepReadRole(t, "web", ""),
},
})
}
func TestBackend_BlockStatements(t *testing.T) {
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
cid, connURL := prepareTestContainer(t, config.StorageView, b)
if cid != "" {
defer cleanupTestContainer(t, cid)
}
connData := map[string]interface{}{
"connection_url": connURL,
}
jsonBlockStatement, err := json.Marshal(testBlockStatementRoleSlice)
if err != nil {
t.Fatal(err)
}
logicaltest.Test(t, logicaltest.TestCase{
Backend: b,
Steps: []logicaltest.TestStep{
testAccStepConfig(t, connData, false),
// This will also validate the query
testAccStepCreateRole(t, "web-block", testBlockStatementRole, true),
testAccStepCreateRole(t, "web-block", string(jsonBlockStatement), false),
},
})
}
func TestBackend_roleReadOnly(t *testing.T) {
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
cid, connURL := prepareTestContainer(t, config.StorageView, b)
if cid != "" {
defer cleanupTestContainer(t, cid)
}
connData := map[string]interface{}{
"connection_url": connURL,
}
logicaltest.Test(t, logicaltest.TestCase{
Backend: b,
Steps: []logicaltest.TestStep{
testAccStepConfig(t, connData, false),
testAccStepCreateRole(t, "web", testRole, false),
testAccStepCreateRole(t, "web-readonly", testReadOnlyRole, false),
testAccStepReadRole(t, "web-readonly", testReadOnlyRole),
testAccStepCreateTable(t, b, config.StorageView, "web", connURL),
testAccStepReadCreds(t, b, config.StorageView, "web-readonly", connURL),
testAccStepDropTable(t, b, config.StorageView, "web", connURL),
testAccStepDeleteRole(t, "web-readonly"),
testAccStepDeleteRole(t, "web"),
testAccStepReadRole(t, "web-readonly", ""),
},
})
}
func TestBackend_roleReadOnly_revocationSQL(t *testing.T) {
config := logical.TestBackendConfig()
config.StorageView = &logical.InmemStorage{}
b, err := Factory(config)
if err != nil {
t.Fatal(err)
}
cid, connURL := prepareTestContainer(t, config.StorageView, b)
if cid != "" {
defer cleanupTestContainer(t, cid)
}
connData := map[string]interface{}{
"connection_url": connURL,
}
logicaltest.Test(t, logicaltest.TestCase{
Backend: b,
Steps: []logicaltest.TestStep{
testAccStepConfig(t, connData, false),
testAccStepCreateRoleWithRevocationSQL(t, "web", testRole, defaultRevocationSQL, false),
testAccStepCreateRoleWithRevocationSQL(t, "web-readonly", testReadOnlyRole, defaultRevocationSQL, false),
testAccStepReadRole(t, "web-readonly", testReadOnlyRole),
testAccStepCreateTable(t, b, config.StorageView, "web", connURL),
testAccStepReadCreds(t, b, config.StorageView, "web-readonly", connURL),
testAccStepDropTable(t, b, config.StorageView, "web", connURL),
testAccStepDeleteRole(t, "web-readonly"),
testAccStepDeleteRole(t, "web"),
testAccStepReadRole(t, "web-readonly", ""),
},
})
}
func testAccStepConfig(t *testing.T, d map[string]interface{}, expectError bool) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.UpdateOperation,
Path: "config/connection",
Data: d,
ErrorOk: true,
Check: func(resp *logical.Response) error {
if expectError {
if resp.Data == nil {
return fmt.Errorf("data is nil")
}
var e struct {
Error string `mapstructure:"error"`
}
if err := mapstructure.Decode(resp.Data, &e); err != nil {
return err
}
if len(e.Error) == 0 {
return fmt.Errorf("expected error, but write succeeded.")
}
return nil
} else if resp != nil && resp.IsError() {
return fmt.Errorf("got an error response: %v", resp.Error())
}
return nil
},
}
}
func testAccStepCreateRole(t *testing.T, name string, sql string, expectFail bool) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.UpdateOperation,
Path: path.Join("roles", name),
Data: map[string]interface{}{
"sql": sql,
},
ErrorOk: expectFail,
}
}
func testAccStepCreateRoleWithRevocationSQL(t *testing.T, name, sql, revocationSQL string, expectFail bool) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.UpdateOperation,
Path: path.Join("roles", name),
Data: map[string]interface{}{
"sql": sql,
"revocation_sql": revocationSQL,
},
ErrorOk: expectFail,
}
}
func testAccStepDeleteRole(t *testing.T, name string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.DeleteOperation,
Path: path.Join("roles", name),
}
}
func testAccStepReadCreds(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.ReadOperation,
Path: path.Join("creds", name),
Check: func(resp *logical.Response) error {
var d struct {
Username string `mapstructure:"username"`
Password string `mapstructure:"password"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
log.Printf("[TRACE] Generated credentials: %v", d)
conn, err := pq.ParseURL(connURL)
if err != nil {
t.Fatal(err)
}
conn += " timezone=utc"
db, err := sql.Open("postgres", conn)
if err != nil {
t.Fatal(err)
}
returnedRows := func() int {
stmt, err := db.Prepare("SELECT DISTINCT schemaname FROM pg_tables WHERE has_table_privilege($1, 'information_schema.role_column_grants', 'select');")
if err != nil {
return -1
}
defer stmt.Close()
rows, err := stmt.Query(d.Username)
if err != nil {
return -1
}
defer rows.Close()
i := 0
for rows.Next() {
i++
}
return i
}
// minNumPermissions is the minimum number of permissions that will always be present.
const minNumPermissions = 2
userRows := returnedRows()
if userRows < minNumPermissions {
t.Fatalf("did not get expected number of rows, got %d", userRows)
}
resp, err = b.HandleRequest(&logical.Request{
Operation: logical.RevokeOperation,
Storage: s,
Secret: &logical.Secret{
InternalData: map[string]interface{}{
"secret_type": "creds",
"username": d.Username,
"role": name,
},
},
})
if err != nil {
return err
}
if resp != nil {
if resp.IsError() {
return fmt.Errorf("Error on resp: %#v", *resp)
}
}
userRows = returnedRows()
// User shouldn't exist so returnedRows() should encounter an error and exit with -1
if userRows != -1 {
t.Fatalf("did not get expected number of rows, got %d", userRows)
}
return nil
},
}
}
func testAccStepCreateTable(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.ReadOperation,
Path: path.Join("creds", name),
Check: func(resp *logical.Response) error {
var d struct {
Username string `mapstructure:"username"`
Password string `mapstructure:"password"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
log.Printf("[TRACE] Generated credentials: %v", d)
conn, err := pq.ParseURL(connURL)
if err != nil {
t.Fatal(err)
}
conn += " timezone=utc"
db, err := sql.Open("postgres", conn)
if err != nil {
t.Fatal(err)
}
_, err = db.Exec("CREATE TABLE test (id SERIAL PRIMARY KEY);")
if err != nil {
t.Fatal(err)
}
resp, err = b.HandleRequest(&logical.Request{
Operation: logical.RevokeOperation,
Storage: s,
Secret: &logical.Secret{
InternalData: map[string]interface{}{
"secret_type": "creds",
"username": d.Username,
},
},
})
if err != nil {
return err
}
if resp != nil {
if resp.IsError() {
return fmt.Errorf("Error on resp: %#v", *resp)
}
}
return nil
},
}
}
func testAccStepDropTable(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.ReadOperation,
Path: path.Join("creds", name),
Check: func(resp *logical.Response) error {
var d struct {
Username string `mapstructure:"username"`
Password string `mapstructure:"password"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
log.Printf("[TRACE] Generated credentials: %v", d)
conn, err := pq.ParseURL(connURL)
if err != nil {
t.Fatal(err)
}
conn += " timezone=utc"
db, err := sql.Open("postgres", conn)
if err != nil {
t.Fatal(err)
}
_, err = db.Exec("DROP TABLE test;")
if err != nil {
t.Fatal(err)
}
resp, err = b.HandleRequest(&logical.Request{
Operation: logical.RevokeOperation,
Storage: s,
Secret: &logical.Secret{
InternalData: map[string]interface{}{
"secret_type": "creds",
"username": d.Username,
},
},
})
if err != nil {
return err
}
if resp != nil {
if resp.IsError() {
return fmt.Errorf("Error on resp: %#v", *resp)
}
}
return nil
},
}
}
func testAccStepReadRole(t *testing.T, name string, sql string) logicaltest.TestStep {
return logicaltest.TestStep{
Operation: logical.ReadOperation,
Path: "roles/" + name,
Check: func(resp *logical.Response) error {
if resp == nil {
if sql == "" {
return nil
}
return fmt.Errorf("bad: %#v", resp)
}
var d struct {
SQL string `mapstructure:"sql"`
}
if err := mapstructure.Decode(resp.Data, &d); err != nil {
return err
}
if d.SQL != sql {
return fmt.Errorf("bad: %#v", resp)
}
return nil
},
}
}
const testRole = `
CREATE ROLE "{{name}}" WITH
LOGIN
PASSWORD '{{password}}'
VALID UNTIL '{{expiration}}';
GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO "{{name}}";
`
const testReadOnlyRole = `
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 testBlockStatementRole = `
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 testBlockStatementRoleSlice = []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 defaultRevocationSQL = `
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}};
`