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redis_steps.go
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redis_steps.go
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package functests
import (
"fmt"
"time"
"github.com/T0n0T/wal-g/tests_func/helpers"
"github.com/T0n0T/wal-g/tests_func/utils"
"github.com/cucumber/godog"
"github.com/pkg/errors"
"github.com/wal-g/tracelog"
)
func SetupRedisSteps(ctx *godog.ScenarioContext, tctx *TestContext) {
ctx.Step(`^a working redis on ([^\s]*)$`, tctx.isWorkingRedis)
ctx.Step(`^([^\s]*) has test redis data test(\d+)$`, tctx.redisHasTestRedisDataTest)
ctx.Step(`^we create ([^\s]*) redis-backup$`, tctx.createRedisBackup)
ctx.Step(`^we delete redis backups retain (\d+) via ([^\s]*)$`, tctx.weDeleteRedisBackupsRetainViaRedis)
ctx.Step(`^we restart redis-server at ([^\s]*)$`, tctx.weRestartRedisServerAt)
ctx.Step(`^we got same redis data at ([^\s]*) ([^\s]*)$`, tctx.testEqualRedisDataAtHosts)
}
func (tctx *TestContext) isWorkingRedis(hostName string) error {
redisCtl, err := GetRedisCtlFromTestContext(tctx, hostName)
if err != nil {
return err
}
return helpers.Retry(tctx.Context, MAX_RETRIES_COUNT, func() error {
tracelog.DebugLogger.Printf("Redis client connect to host '%s'", redisCtl.Addr())
status := redisCtl.Ping()
err = status.Err()
if err != nil {
return fmt.Errorf("Client on ping returned err: %v\n", err)
}
if status.Val() != "PONG" {
return fmt.Errorf("Client on ping does not returned PONG: %v\n", err)
}
tracelog.DebugLogger.Printf("Redis: Got PONG on PING from %s", hostName)
return nil
})
}
func (tctx *TestContext) redisHasTestRedisDataTest(host string, testId int) error {
rc, err := GetRedisCtlFromTestContext(tctx, host)
if err != nil {
return err
}
docsCount := 10
err = rc.WriteTestData(fmt.Sprintf("test%02d", testId), docsCount)
if err != nil {
return err
}
return nil
}
func (tctx *TestContext) createRedisBackup(host string) error {
rc, err := GetRedisCtlFromTestContext(tctx, host)
if err != nil {
return nil
}
beforeBackupTime, err := helpers.TimeInContainer(tctx.Context, rc.Host())
if err != nil {
return err
}
passed := beforeBackupTime.Sub(tctx.PreviousBackupTime)
if passed < time.Second {
cmd := []string{"sleep", "1"}
if _, err := helpers.RunCommandStrict(tctx.Context, host, cmd); err != nil {
return err
}
}
tracelog.DebugLogger.Println("Push redis backup")
backupId, err := rc.PushBackup()
if err != nil {
return err
}
time.Sleep(1 * time.Second)
tracelog.DebugLogger.Println("Backup created: ", backupId)
return nil
}
func (tctx *TestContext) weDeleteRedisBackupsRetainViaRedis(backupsRetain int, host string) error {
rc, err := GetRedisCtlFromTestContext(tctx, host)
if err != nil {
return err
}
return rc.PurgeRetain(backupsRetain)
}
func (tctx *TestContext) weRestartRedisServerAt(host string) error {
rc, err := GetRedisCtlFromTestContext(tctx, host)
if err != nil {
return err
}
cmd := rc.ShutdownNoSave()
if cmd.Err() != nil {
return cmd.Err()
}
return nil
}
func (tctx *TestContext) testEqualRedisDataAtHosts(host1, host2 string) error {
rc1, err := GetRedisCtlFromTestContext(tctx, host1)
if err != nil {
return err
}
rc2, err := GetRedisCtlFromTestContext(tctx, host2)
if err != nil {
return err
}
dbsize1 := rc1.DBSize()
if dbsize1.Err() != nil {
return errors.Wrapf(dbsize1.Err(), "Host %s doesn't return 'dbsize'", host1)
}
dbsize2 := rc2.DBSize()
if dbsize2.Err() != nil {
return errors.Wrapf(dbsize1.Err(), "Host %s doesn't return 'dbsize'", host2)
}
if dbsize1.Val() != dbsize2.Val() {
return fmt.Errorf("hosts %s and %s have not equal keys count %d != %d", host1, host2, dbsize1.Val(), dbsize2.Val())
}
keys1 := rc1.Keys("*")
if keys1.Err() != nil {
return keys1.Err()
}
keys2 := rc2.Keys("*")
if keys2.Err() != nil {
return keys2.Err()
}
if len(keys1.Val()) == 0 || len(keys2.Val()) == 0 {
return fmt.Errorf("keys1 or keys2 is empty - broken backup")
}
if !utils.IsArraysEqual(keys1.Val(), keys2.Val()) {
return fmt.Errorf("keys from redis1/redis2 aren't equal")
}
values1 := rc1.MGet(keys1.Val()...)
values2 := rc1.MGet(keys2.Val()...)
vals1 := make([]string, len(values1.Val()))
vals2 := make([]string, len(values1.Val()))
for i, val := range values1.Val() {
vals1[i] = val.(string)
}
for i, val := range values2.Val() {
vals2[i] = val.(string)
}
if !utils.IsArraysEqual(vals1, vals2) {
return fmt.Errorf("values from redis1/redis2 aren't equal")
}
return nil
}