k3s/tests/integration/etcdsnapshot/etcdsnapshot_int_test.go
Derek Nola 1f7abe5dbb
Testing directory and documentation rework. (#5256)
* Removed vagrant folder
* Fix comments around E2E ENVs
* Eliminate testutil folder
* Convert flock integration test to unit test
* Point to other READMEs

Signed-off-by: Derek Nola <derek.nola@suse.com>
2022-03-15 10:29:56 -07:00

127 lines
4.4 KiB
Go

package snapshot_test
import (
"regexp"
"strings"
"testing"
"time"
testutil "github.com/k3s-io/k3s/tests/integration"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var server *testutil.K3sServer
var serverArgs = []string{"--cluster-init"}
var testLock int
var _ = BeforeSuite(func() {
if !testutil.IsExistingServer() {
var err error
testLock, err = testutil.K3sTestLock()
Expect(err).ToNot(HaveOccurred())
server, err = testutil.K3sStartServer(serverArgs...)
Expect(err).ToNot(HaveOccurred())
}
})
var _ = Describe("etcd snapshots", func() {
BeforeEach(func() {
if testutil.IsExistingServer() && !testutil.ServerArgsPresent(serverArgs) {
Skip("Test needs k3s server with: " + strings.Join(serverArgs, " "))
}
})
When("a new etcd is created", func() {
It("starts up with no problems", func() {
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "get pods -A")
}, "180s", "5s").Should(MatchRegexp("kube-system.+coredns.+1\\/1.+Running"))
})
It("saves an etcd snapshot", func() {
Expect(testutil.K3sCmd("etcd-snapshot", "save")).
To(ContainSubstring("saved"))
})
It("list snapshots", func() {
Expect(testutil.K3sCmd("etcd-snapshot", "ls")).
To(MatchRegexp(`:///var/lib/rancher/k3s/server/db/snapshots/on-demand`))
})
It("deletes a snapshot", func() {
lsResult, err := testutil.K3sCmd("etcd-snapshot", "ls")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`on-demand[^\s]+`)
Expect(err).ToNot(HaveOccurred())
snapshotName := reg.FindString(lsResult)
Expect(testutil.K3sCmd("etcd-snapshot", "delete", snapshotName)).
To(ContainSubstring("Removing the given locally stored etcd snapshot"))
})
})
When("saving a custom name", func() {
It("saves an etcd snapshot with a custom name", func() {
Expect(testutil.K3sCmd("etcd-snapshot", "save --name ALIVEBEEF")).
To(ContainSubstring("Saving etcd snapshot to /var/lib/rancher/k3s/server/db/snapshots/ALIVEBEEF"))
})
It("deletes that snapshot", func() {
lsResult, err := testutil.K3sCmd("etcd-snapshot", "ls")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`ALIVEBEEF[^\s]+`)
Expect(err).ToNot(HaveOccurred())
snapshotName := reg.FindString(lsResult)
Expect(testutil.K3sCmd("etcd-snapshot", "delete", snapshotName)).
To(ContainSubstring("Removing the given locally stored etcd snapshot"))
})
})
When("using etcd snapshot prune", func() {
It("saves 3 different snapshots", func() {
Expect(testutil.K3sCmd("etcd-snapshot", "save -name PRUNE_TEST")).
To(ContainSubstring("saved"))
time.Sleep(1 * time.Second)
Expect(testutil.K3sCmd("etcd-snapshot", "save -name PRUNE_TEST")).
To(ContainSubstring("saved"))
time.Sleep(1 * time.Second)
Expect(testutil.K3sCmd("etcd-snapshot", "save -name PRUNE_TEST")).
To(ContainSubstring("saved"))
time.Sleep(1 * time.Second)
})
It("lists all 3 snapshots", func() {
lsResult, err := testutil.K3sCmd("etcd-snapshot", "ls")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`:///var/lib/rancher/k3s/server/db/snapshots/PRUNE_TEST`)
Expect(err).ToNot(HaveOccurred())
sepLines := reg.FindAllString(lsResult, -1)
Expect(sepLines).To(HaveLen(3))
})
It("prunes snapshots down to 2", func() {
Expect(testutil.K3sCmd("etcd-snapshot", "prune --snapshot-retention 2 --name PRUNE_TEST")).
To(ContainSubstring("Removing local snapshot"))
lsResult, err := testutil.K3sCmd("etcd-snapshot", "ls")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`:///var/lib/rancher/k3s/server/db/snapshots/PRUNE_TEST`)
Expect(err).ToNot(HaveOccurred())
sepLines := reg.FindAllString(lsResult, -1)
Expect(sepLines).To(HaveLen(2))
})
It("cleans up remaining snapshots", func() {
lsResult, err := testutil.K3sCmd("etcd-snapshot", "ls")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`PRUNE_TEST[^\s]+`)
Expect(err).ToNot(HaveOccurred())
for _, snapshotName := range reg.FindAllString(lsResult, -1) {
Expect(testutil.K3sCmd("etcd-snapshot", "delete", snapshotName)).
To(ContainSubstring("Removing the given locally stored etcd snapshot"))
}
})
})
})
var _ = AfterSuite(func() {
if !testutil.IsExistingServer() {
Expect(testutil.K3sKillServer(server)).To(Succeed())
Expect(testutil.K3sCleanup(testLock, "")).To(Succeed())
}
})
func Test_IntegrationEtcdSnapshot(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Etcd Snapshot Suite")
}