Andrey Smirnov e664362cec feat: add API and command to save etcd snapshot (backup)
This adds a simple API and `talosctl etcd snapshot` command to stream
snapshot of etcd from one of the control plane nodes to the local file.

Signed-off-by: Andrey Smirnov <smirnov.andrey@gmail.com>
2021-04-02 09:20:16 -07:00

66 lines
1.8 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
// +build integration_cli
package cli
import (
"io/ioutil"
"os"
"path/filepath"
"regexp"
"github.com/talos-systems/talos/internal/integration/base"
"github.com/talos-systems/talos/pkg/machinery/config/types/v1alpha1/machine"
)
// EtcdSuite verifies etcd command.
type EtcdSuite struct {
base.CLISuite
}
// SuiteName ...
func (suite *EtcdSuite) SuiteName() string {
return "cli.EtcdSuite"
}
// TestMembers etcd members should have some output.
func (suite *EtcdSuite) TestMembers() {
suite.RunCLI([]string{"etcd", "members", "--nodes", suite.RandomDiscoveredNode(machine.TypeControlPlane)}) // default checks for stdout not empty
}
// TestForfeitLeadership etcd forfeit-leadership check.
func (suite *EtcdSuite) TestForfeitLeadership() {
nodes := suite.DiscoverNodes().NodesByType(machine.TypeControlPlane)
if len(nodes) < 3 {
suite.T().Skip("test only can be run on HA etcd clusters")
}
suite.RunCLI([]string{"etcd", "forfeit-leadership", "--nodes", suite.RandomDiscoveredNode(machine.TypeControlPlane)},
base.StdoutEmpty(),
)
}
// TestSnapshot tests etcd snapshot (backup).
func (suite *EtcdSuite) TestSnapshot() {
tempDir, err := ioutil.TempDir("", "talos")
suite.Require().NoError(err)
defer func() {
suite.Assert().NoError(os.RemoveAll(tempDir))
}()
dbPath := filepath.Join(tempDir, "snapshot.db")
suite.RunCLI([]string{"etcd", "snapshot", dbPath, "--nodes", suite.RandomDiscoveredNode(machine.TypeControlPlane)},
base.StdoutShouldMatch(regexp.MustCompile(`etcd snapshot saved to .+\d+ bytes.+`)),
)
}
func init() {
allSuites = append(allSuites, new(EtcdSuite))
}