talos/internal/integration/cli/etcd.go
Mateusz Urbanek 9920da3e1a
feat: add etcd downgrade API
Fixes #11058

Signed-off-by: Mateusz Urbanek <mateusz.urbanek@siderolabs.com>
2025-07-16 15:33:51 +02:00

96 lines
3.1 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/.
//go:build integration_cli
package cli
import (
"context"
"path/filepath"
"regexp"
"strings"
"github.com/siderolabs/talos/internal/integration/base"
"github.com/siderolabs/talos/pkg/machinery/config/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.RandomDiscoveredNodeInternalIP(machine.TypeControlPlane)}) // default checks for stdout not empty
}
// TestStatus etcd status should have some output.
func (suite *EtcdSuite) TestStatus() {
cpNodes := suite.DiscoverNodeInternalIPsByType(context.TODO(), machine.TypeControlPlane)
suite.RunCLI([]string{"etcd", "status", "--nodes", strings.Join(cpNodes, ",")}) // default checks for stdout not empty
}
// TestAlarm etcd alarm should have no output.
func (suite *EtcdSuite) TestAlarm() {
cpNode := suite.RandomDiscoveredNodeInternalIP(machine.TypeControlPlane)
suite.RunCLI([]string{"etcd", "alarm", "list", "--nodes", cpNode}, base.StdoutEmpty())
suite.RunCLI([]string{"etcd", "alarm", "disarm", "--nodes", cpNode}, base.StdoutEmpty())
}
// TestForfeitLeadership etcd forfeit-leadership check.
func (suite *EtcdSuite) TestForfeitLeadership() {
nodes := suite.DiscoverNodes(context.TODO()).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.RandomDiscoveredNodeInternalIP(machine.TypeControlPlane)},
base.StdoutEmpty(),
)
}
// TestSnapshot tests etcd snapshot (backup).
func (suite *EtcdSuite) TestSnapshot() {
tempDir := suite.T().TempDir()
dbPath := filepath.Join(tempDir, "snapshot.db")
suite.RunCLI([]string{"etcd", "snapshot", dbPath, "--nodes", suite.RandomDiscoveredNodeInternalIP(machine.TypeControlPlane)},
base.StdoutShouldMatch(regexp.MustCompile(`etcd snapshot saved to .+\d+ bytes.+`)),
)
}
// TestDowngrade tests etcd downgrade.
func (suite *EtcdSuite) TestDowngrade() {
downgradeTo := "3.5"
// FIXME: enable tests once the tests run on on ETCD >=3.6.0
suite.T().Skip("ETCD below 3.6.0")
node := suite.RandomDiscoveredNodeInternalIP(machine.TypeControlPlane)
suite.RunCLI([]string{"etcd", "downgrade", "validate", "--nodes", node, downgradeTo},
base.StdoutShouldMatch(regexp.MustCompile(`downgrade validate success, cluster version \d+\.\d+`)),
)
suite.RunCLI([]string{"etcd", "downgrade", "enable", "--nodes", node, downgradeTo},
base.StdoutShouldMatch(regexp.MustCompile(`downgrade enable success, cluster version \d+\.\d+`)),
)
suite.RunCLI([]string{"etcd", "downgrade", "cancel", "--nodes", node},
base.StdoutShouldMatch(regexp.MustCompile(`downgrade cancel success, cluster version \d+\.\d+`)),
)
}
func init() {
allSuites = append(allSuites, new(EtcdSuite))
}