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integration_test.go
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integration_test.go
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// Copyright 2017 Canonical Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Create a new cluster for 3 dqlite drivers exposed over gRPC. Return 3 sql.DB
// instances backed gRPC SQL drivers, each one trying to connect to one of the
// 3 dqlite drivers over gRPC, in a round-robin fashion.
package dqlite_test
import (
"context"
"database/sql"
"database/sql/driver"
"fmt"
"net"
"strconv"
"testing"
"time"
"github.com/CanonicalLtd/go-dqlite"
"github.com/CanonicalLtd/go-dqlite/internal/logging"
"github.com/CanonicalLtd/raft-test"
"github.com/hashicorp/raft"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestIntegration_DatabaseSQL(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
_, err = tx.Exec(`
CREATE TABLE test (n INT, s TEXT);
CREATE TABLE test2 (n INT, t DATETIME DEFAULT CURRENT_TIMESTAMP)
`)
require.NoError(t, err)
stmt, err := tx.Prepare("INSERT INTO test(n, s) VALUES(?, ?)")
require.NoError(t, err)
_, err = stmt.Exec(int64(123), "hello")
require.NoError(t, err)
require.NoError(t, stmt.Close())
_, err = tx.Exec("INSERT INTO test2(n) VALUES(?)", int64(456))
require.NoError(t, err)
require.NoError(t, tx.Commit())
tx, err = db.Begin()
require.NoError(t, err)
rows, err := tx.Query("SELECT n, s FROM test")
require.NoError(t, err)
for rows.Next() {
var n int64
var s string
require.NoError(t, rows.Scan(&n, &s))
assert.Equal(t, int64(123), n)
assert.Equal(t, "hello", s)
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
rows, err = tx.Query("SELECT n, t FROM test2")
require.NoError(t, err)
for rows.Next() {
var n int64
var s time.Time
require.NoError(t, rows.Scan(&n, &s))
assert.Equal(t, int64(456), n)
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
require.NoError(t, tx.Rollback())
require.NoError(t, db.Close())
}
func TestIntegration_LargeQuery(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
_, err = tx.Exec("CREATE TABLE test (n INT)")
require.NoError(t, err)
stmt, err := tx.Prepare("INSERT INTO test(n) VALUES(?)")
require.NoError(t, err)
for i := 0; i < 512; i++ {
_, err = stmt.Exec(int64(i))
require.NoError(t, err)
}
require.NoError(t, stmt.Close())
require.NoError(t, tx.Commit())
tx, err = db.Begin()
require.NoError(t, err)
rows, err := tx.Query("SELECT n FROM test")
require.NoError(t, err)
columns, err := rows.Columns()
require.NoError(t, err)
assert.Equal(t, []string{"n"}, columns)
count := 0
for i := 0; rows.Next(); i++ {
var n int64
require.NoError(t, rows.Scan(&n))
assert.Equal(t, int64(i), n)
count++
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
assert.Equal(t, count, 512)
require.NoError(t, tx.Rollback())
require.NoError(t, db.Close())
}
func TestIntegration_NotLeader(t *testing.T) {
db, control, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
control.Depose()
ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
defer cancel()
_, err = tx.PrepareContext(ctx, "CREATE TABLE test (n INT)")
require.Equal(t, driver.ErrBadConn, err)
}
func TestIntegration_LargeQuery_WithTimestamps(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
_, err = tx.Exec("CREATE TABLE test (name TEXT, id INTEGER, address TEXT, heartbeat DATETIME)")
require.NoError(t, err)
stmt, err := tx.Prepare("INSERT INTO test(name, id, address, heartbeat) VALUES(?,?,?,?)")
require.NoError(t, err)
for _, row := range testIntegrationLargeQueryWithTimestampsData {
_, err = stmt.Exec(row.Name, row.ID, row.Address, row.Heartbeat)
require.NoError(t, err)
}
require.NoError(t, stmt.Close())
require.NoError(t, tx.Commit())
tx, err = db.Begin()
require.NoError(t, err)
rows, err := tx.Query("SELECT name, id, address, heartbeat FROM test")
require.NoError(t, err)
columns, err := rows.Columns()
require.NoError(t, err)
assert.Equal(t, []string{"name", "id", "address", "heartbeat"}, columns)
for i := 0; rows.Next(); i++ {
var name string
var id int64
var address string
var heartbeat time.Time
require.NoError(t, rows.Scan(&name, &id, &address, &heartbeat))
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
require.NoError(t, tx.Rollback())
require.NoError(t, db.Close())
}
var testIntegrationLargeQueryWithTimestampsData = []struct {
Name string
ID int64
Address string
Heartbeat string
}{
{"alpine-34-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-34-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-34-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-35-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-35-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-36-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-36-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-37-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-37-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-38-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-38-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-edge-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"alpine-edge-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"archlinux-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"archlinux-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"centos-6-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"centos-6-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"centos-7-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"centos-7-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-10-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-10-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-7-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-7-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-8-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-8-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-9-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-9-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-sid-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"debian-sid-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-26-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-26-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-27-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-27-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-28-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"fedora-28-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"gentoo-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"gentoo-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"opensuse-150-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"opensuse-150-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"opensuse-423-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"opensuse-423-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"oracle-6-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"oracle-6-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"oracle-7-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"oracle-7-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"plamo-5x-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"plamo-5x-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"plamo-6x-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"plamo-6x-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"sabayon-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"sabayon-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-core-16-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-core-16-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1404-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1404-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1604-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1604-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1710-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1710-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1804-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1804-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1810-unpriv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
{"ubuntu-1810-priv", 1, "0.0.0.0", "2018-08-01 04:53:10"},
}
func TestIntegration_LargeQuery_WithLongStrings(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
_, err = tx.Exec("CREATE TABLE containers_config (id INTEGER, container_id INTEGER, key TEXT, value TEXT)")
require.NoError(t, err)
_, err = tx.Exec(testIntegrationLargeQueryWithLongStringsData)
require.NoError(t, err)
require.NoError(t, tx.Commit())
tx, err = db.Begin()
require.NoError(t, err)
rows, err := tx.Query("SELECT container_id, key, value FROM containers_config")
require.NoError(t, err)
columns, err := rows.Columns()
require.NoError(t, err)
assert.Equal(t, []string{"container_id", "key", "value"}, columns)
for i := 0; rows.Next(); i++ {
var id int64
var key string
var value string
require.NoError(t, rows.Scan(&id, &key, &value))
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
require.NoError(t, tx.Rollback())
require.NoError(t, db.Close())
}
var testIntegrationLargeQueryWithLongStringsData = `
INSERT INTO containers_config VALUES(463,1,'image.description','Busybox x86_64');
INSERT INTO containers_config VALUES(464,1,'volatile.apply_template','create');
INSERT INTO containers_config VALUES(465,1,'volatile.idmap.next','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(466,1,'volatile.base_image','d5c70f9097d133ba56c424733cd5a30e1e8519a7b850b24e95fec47e10c6e5fa');
INSERT INTO containers_config VALUES(467,1,'volatile.eth0.hwaddr','00:16:3e:ac:4b:17');
INSERT INTO containers_config VALUES(468,1,'volatile.idmap.base','0');
INSERT INTO containers_config VALUES(469,1,'volatile.last_state.idmap','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(470,1,'image.architecture','x86_64');
INSERT INTO containers_config VALUES(471,1,'image.name','busybox-x86_64');
INSERT INTO containers_config VALUES(472,1,'image.os','Busybox');
INSERT INTO containers_config VALUES(473,2,'image.description','Busybox x86_64');
INSERT INTO containers_config VALUES(474,2,'image.os','Busybox');
INSERT INTO containers_config VALUES(475,2,'volatile.apply_template','create');
INSERT INTO containers_config VALUES(476,2,'volatile.base_image','d5c70f9097d133ba56c424733cd5a30e1e8519a7b850b24e95fec47e10c6e5fa');
INSERT INTO containers_config VALUES(477,2,'volatile.eth0.hwaddr','00:16:3e:64:43:68');
INSERT INTO containers_config VALUES(478,2,'volatile.idmap.base','0');
INSERT INTO containers_config VALUES(479,2,'volatile.idmap.next','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(480,2,'image.architecture','x86_64');
INSERT INTO containers_config VALUES(481,2,'volatile.last_state.idmap','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(482,2,'image.name','busybox-x86_64');
INSERT INTO containers_config VALUES(483,3,'volatile.idmap.next','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(484,3,'volatile.last_state.idmap','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(485,3,'image.architecture','x86_64');
INSERT INTO containers_config VALUES(486,3,'image.description','Busybox x86_64');
INSERT INTO containers_config VALUES(487,3,'image.name','busybox-x86_64');
INSERT INTO containers_config VALUES(488,3,'volatile.base_image','d5c70f9097d133ba56c424733cd5a30e1e8519a7b850b24e95fec47e10c6e5fa');
INSERT INTO containers_config VALUES(489,3,'image.os','Busybox');
INSERT INTO containers_config VALUES(490,3,'volatile.eth0.hwaddr','00:16:3e:2b:cd:e6');
INSERT INTO containers_config VALUES(491,3,'volatile.idmap.base','0');
INSERT INTO containers_config VALUES(492,3,'volatile.last_state.power','RUNNING');
INSERT INTO containers_config VALUES(493,4,'image.architecture','x86_64');
INSERT INTO containers_config VALUES(494,4,'image.description','Busybox x86_64');
INSERT INTO containers_config VALUES(495,4,'volatile.base_image','d5c70f9097d133ba56c424733cd5a30e1e8519a7b850b24e95fec47e10c6e5fa');
INSERT INTO containers_config VALUES(496,4,'volatile.idmap.base','0');
INSERT INTO containers_config VALUES(497,4,'volatile.last_state.idmap','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(498,4,'volatile.last_state.power','RUNNING');
INSERT INTO containers_config VALUES(499,4,'image.name','busybox-x86_64');
INSERT INTO containers_config VALUES(500,4,'image.os','Busybox');
INSERT INTO containers_config VALUES(501,4,'volatile.eth0.hwaddr','00:16:3e:f7:28:13');
INSERT INTO containers_config VALUES(502,4,'volatile.idmap.next','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(533,5,'image.description','Busybox x86_64');
INSERT INTO containers_config VALUES(534,5,'volatile.idmap.base','0');
INSERT INTO containers_config VALUES(535,5,'volatile.apply_template','create');
INSERT INTO containers_config VALUES(536,5,'volatile.last_state.idmap','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(537,5,'image.os','Busybox');
INSERT INTO containers_config VALUES(538,5,'image.architecture','x86_64');
INSERT INTO containers_config VALUES(539,5,'image.name','busybox-x86_64');
INSERT INTO containers_config VALUES(540,5,'volatile.base_image','d5c70f9097d133ba56c424733cd5a30e1e8519a7b850b24e95fec47e10c6e5fa');
INSERT INTO containers_config VALUES(541,5,'volatile.idmap.next','[{"Isuid":true,"Isgid":false,"Hostid":100000,"Nsid":0,"Maprange":1000000000},{"Isuid":false,"Isgid":true,"Hostid":100000,"Nsid":0,"Maprange":1000000000}]');
INSERT INTO containers_config VALUES(542,5,'volatile.eth0.hwaddr','00:16:3e:f0:99:38');
`
func newDB(t *testing.T) (*sql.DB, *rafttest.Control, func()) {
n := 3
listeners := make([]net.Listener, n)
servers := make([]dqlite.ServerInfo, n)
for i := range listeners {
listeners[i] = newListener(t)
servers[i].Address = listeners[i].Addr().String()
}
control, cleanup := newServers(t, listeners)
store, err := dqlite.DefaultServerStore(":memory:")
require.NoError(t, err)
require.NoError(t, store.Set(context.Background(), servers))
log := logging.Test(t)
driver, err := dqlite.NewDriver(store, dqlite.WithLogFunc(log))
require.NoError(t, err)
driverName := fmt.Sprintf("dqlite-integration-test-%d", driversCount)
sql.Register(driverName, driver)
driversCount++
db, err := sql.Open(driverName, "test.db")
require.NoError(t, err)
return db, control, cleanup
}
func TestIntegration_EmptyTimestamp(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
tx, err := db.Begin()
require.NoError(t, err)
_, err = tx.Exec("CREATE TABLE test (d DATETIME)")
require.NoError(t, err)
_, err = tx.Exec("INSERT INTO test(d) VALUES('')")
rows, err := tx.Query("SELECT d FROM test")
require.NoError(t, err)
for rows.Next() {
var d time.Time
require.NoError(t, rows.Scan(&d))
assert.Equal(t, time.Time{}, d)
}
require.NoError(t, rows.Err())
require.NoError(t, rows.Close())
require.NoError(t, tx.Rollback())
require.NoError(t, db.Close())
}
func TestIntegration_QueryInterrupt(t *testing.T) {
db, _, cleanup := newDB(t)
defer cleanup()
_, err := db.Exec("CREATE TABLE test (n INT)")
require.NoError(t, err)
tx, err := db.Begin()
require.NoError(t, err)
stmt, err := tx.Prepare("INSERT INTO test(n) VALUES(?)")
require.NoError(t, err)
for i := 0; i < 512; i++ {
_, err = stmt.Exec(int64(i))
require.NoError(t, err)
}
require.NoError(t, stmt.Close())
require.NoError(t, tx.Commit())
tx, err = db.Begin()
require.NoError(t, err)
// This query will yield a multi-response result set, which needs to be
// cancelled because Rows.Next() will be called only for one row.
row := tx.QueryRow("SELECT n FROM test")
var n int64
err = row.Scan(&n)
require.NoError(t, err)
require.NoError(t, tx.Rollback())
tx, err = db.Begin()
require.NoError(t, err)
_, err = tx.Exec("INSERT INTO test(n) VALUES(1)")
require.NoError(t, err)
require.NoError(t, tx.Rollback())
}
func newServers(t *testing.T, listeners []net.Listener) (*rafttest.Control, func()) {
t.Helper()
n := len(listeners)
cleanups := make([]func(), 0)
// Create the dqlite registries and FSMs.
registries := make([]*dqlite.Registry, n)
fsms := make([]raft.FSM, n)
for i := range registries {
id := strconv.Itoa(i)
registries[i] = dqlite.NewRegistry(id)
fsms[i] = dqlite.NewFSM(registries[i])
}
// Create the raft cluster using the dqlite FSMs.
rafts, control := rafttest.Cluster(t, fsms, rafttest.Transport(func(i int) raft.Transport {
address := raft.ServerAddress(listeners[i].Addr().String())
_, transport := raft.NewInmemTransport(address)
return transport
}))
control.Elect("0")
for id := range rafts {
r := rafts[id]
i, err := strconv.Atoi(string(id))
require.NoError(t, err)
log := logging.Test(t)
server, err := dqlite.NewServer(
r, registries[i], listeners[i],
dqlite.WithServerLogFunc(log))
require.NoError(t, err)
cleanups = append(cleanups, func() {
require.NoError(t, server.Close())
})
}
cleanup := func() {
control.Close()
for _, f := range cleanups {
f()
}
}
return control, cleanup
}
var driversCount = 0