k3s/tests/integration/localstorage_int_test.go
Derek Nola 114b30277f
Redux: Enable K3s integration test to run on existing cluster (#3905)
* Made it possible to run int tests on existing cluster

Signed-off-by: dereknola <derek.nola@suse.com>
2021-08-26 16:26:19 -07:00

87 lines
2.8 KiB
Go

package integration
import (
"fmt"
"os"
"regexp"
"strings"
"testing"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
testutil "github.com/rancher/k3s/tests/util"
)
var server *testutil.K3sServer
var serverArgs = []string{"--cluster-init"}
var _ = BeforeSuite(func() {
if !testutil.IsExistingServer() {
var err error
server, err = testutil.K3sStartServer(serverArgs...)
Expect(err).ToNot(HaveOccurred())
}
})
var _ = Describe("local storage", func() {
BeforeEach(func() {
if testutil.IsExistingServer() && !testutil.ServerArgsPresent(serverArgs) {
Skip("Test needs k3s server with: " + strings.Join(serverArgs, " "))
}
})
When("a new local storage is created", func() {
It("starts up with no problems", func() {
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "get", "pods", "-A")
}, "90s", "1s").Should(MatchRegexp("kube-system.+coredns.+1\\/1.+Running"))
})
It("creates a new pvc", func() {
Expect(testutil.K3sCmd("kubectl", "create", "-f", "../testdata/localstorage_pvc.yaml")).
To(ContainSubstring("persistentvolumeclaim/local-path-pvc created"))
})
It("creates a new pod", func() {
Expect(testutil.K3sCmd("kubectl", "create", "-f", "../testdata/localstorage_pod.yaml")).
To(ContainSubstring("pod/volume-test created"))
})
It("shows storage up in kubectl", func() {
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "get", "pvc")
}, "45s", "1s").Should(MatchRegexp(`local-path-pvc.+Bound`))
Eventually(func() (string, error) {
return testutil.K3sCmd("kubectl", "get", "pv")
}, "10s", "1s").Should(MatchRegexp(`pvc.+2Gi.+Bound`))
})
It("has proper folder permissions", func() {
var k3sStorage = "/var/lib/rancher/k3s/storage"
fileStat, err := os.Stat(k3sStorage)
Expect(err).ToNot(HaveOccurred())
Expect(fmt.Sprintf("%04o", fileStat.Mode().Perm())).To(Equal("0701"))
pvResult, err := testutil.K3sCmd("kubectl", "get", "pv")
Expect(err).ToNot(HaveOccurred())
reg, err := regexp.Compile(`pvc[^\s]+`)
Expect(err).ToNot(HaveOccurred())
volumeName := reg.FindString(pvResult) + "_default_local-path-pvc"
fileStat, err = os.Stat(k3sStorage + "/" + volumeName)
Expect(err).ToNot(HaveOccurred())
Expect(fmt.Sprintf("%04o", fileStat.Mode().Perm())).To(Equal("0777"))
})
It("deletes properly", func() {
Expect(testutil.K3sCmd("kubectl", "delete", "pod", "volume-test")).
To(ContainSubstring("pod \"volume-test\" deleted"))
Expect(testutil.K3sCmd("kubectl", "delete", "pvc", "local-path-pvc")).
To(ContainSubstring("persistentvolumeclaim \"local-path-pvc\" deleted"))
})
})
})
var _ = AfterSuite(func() {
if !testutil.IsExistingServer() {
Expect(testutil.K3sKillServer(server)).To(Succeed())
}
})
func Test_IntegrationLocalStorage(t *testing.T) {
RegisterFailHandler(Fail)
RunSpecs(t, "Local Storage Suite")
}