podman/test/e2e/network_test.go

394 lines
13 KiB
Go

package integration
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"time"
"github.com/containers/podman/v2/pkg/rootless"
. "github.com/containers/podman/v2/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
func writeConf(conf []byte, confPath string) {
if err := ioutil.WriteFile(confPath, conf, 777); err != nil {
fmt.Println(err)
}
}
func removeConf(confPath string) {
if err := os.Remove(confPath); err != nil {
fmt.Println(err)
}
}
// generateNetworkConfig generates a cni config with a random name
// it returns the network name and the filepath
func generateNetworkConfig(p *PodmanTestIntegration) (string, string) {
// generate a random name to prevent conflicts with other tests
name := "net" + stringid.GenerateNonCryptoID()
path := filepath.Join(p.CNIConfigDir, fmt.Sprintf("%s.conflist", name))
conf := fmt.Sprintf(`{
"cniVersion": "0.3.0",
"name": "%s",
"plugins": [
{
"type": "bridge",
"bridge": "cni1",
"isGateway": true,
"ipMasq": true,
"ipam": {
"type": "host-local",
"subnet": "10.99.0.0/16",
"routes": [
{ "dst": "0.0.0.0/0" }
]
}
},
{
"type": "portmap",
"capabilities": {
"portMappings": true
}
}
]
}`, name)
writeConf([]byte(conf), path)
return name, path
}
var _ = Describe("Podman network", func() {
var (
tempdir string
err error
podmanTest *PodmanTestIntegration
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanTestCreate(tempdir)
podmanTest.Setup()
})
AfterEach(func() {
podmanTest.Cleanup()
f := CurrentGinkgoTestDescription()
processTestResult(f)
})
It("podman network list", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains(name)).To(BeTrue())
})
It("podman network list -q", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "ls", "--quiet"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains(name)).To(BeTrue())
})
It("podman network list --filter success", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "ls", "--filter", "plugin=bridge"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains(name)).To(BeTrue())
})
It("podman network list --filter failure", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "ls", "--filter", "plugin=test"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains(name)).To(BeFalse())
})
It("podman network rm no args", func() {
session := podmanTest.Podman([]string{"network", "rm"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).ToNot(BeZero())
})
It("podman network rm", func() {
SkipIfRootless("FIXME: This one is definitely broken in rootless mode")
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "ls", "--quiet"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains(name)).To(BeTrue())
rm := podmanTest.Podman([]string{"network", "rm", name})
rm.WaitWithDefaultTimeout()
Expect(rm.ExitCode()).To(BeZero())
results := podmanTest.Podman([]string{"network", "ls", "--quiet"})
results.WaitWithDefaultTimeout()
Expect(results.ExitCode()).To(Equal(0))
Expect(results.LineInOutputContains(name)).To(BeFalse())
})
It("podman network inspect no args", func() {
session := podmanTest.Podman([]string{"network", "inspect"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).ToNot(BeZero())
})
It("podman network inspect", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
expectedNetworks := []string{name}
if !rootless.IsRootless() {
// rootful image contains "podman/cni/87-podman-bridge.conflist" for "podman" network
expectedNetworks = append(expectedNetworks, "podman")
}
session := podmanTest.Podman(append([]string{"network", "inspect"}, expectedNetworks...))
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.IsJSONOutputValid()).To(BeTrue())
})
It("podman network inspect", func() {
name, path := generateNetworkConfig(podmanTest)
defer removeConf(path)
session := podmanTest.Podman([]string{"network", "inspect", name, "--format", "{{.cniVersion}}"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.LineInOutputContains("0.3.0")).To(BeTrue())
})
It("podman inspect container single CNI network", func() {
netName := "testNetSingleCNI"
network := podmanTest.Podman([]string{"network", "create", "--subnet", "10.50.50.0/24", netName})
network.WaitWithDefaultTimeout()
Expect(network.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
ctrName := "testCtr"
container := podmanTest.Podman([]string{"run", "-dt", "--network", netName, "--name", ctrName, ALPINE, "top"})
container.WaitWithDefaultTimeout()
Expect(container.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
conData := inspect.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(len(conData[0].NetworkSettings.Networks)).To(Equal(1))
net, ok := conData[0].NetworkSettings.Networks[netName]
Expect(ok).To(BeTrue())
Expect(net.NetworkID).To(Equal(netName))
Expect(net.IPPrefixLen).To(Equal(24))
Expect(strings.HasPrefix(net.IPAddress, "10.50.50.")).To(BeTrue())
// Necessary to ensure the CNI network is removed cleanly
rmAll := podmanTest.Podman([]string{"rm", "-f", ctrName})
rmAll.WaitWithDefaultTimeout()
Expect(rmAll.ExitCode()).To(BeZero())
})
It("podman inspect container two CNI networks (container not running)", func() {
netName1 := "testNetThreeCNI1"
network1 := podmanTest.Podman([]string{"network", "create", netName1})
network1.WaitWithDefaultTimeout()
Expect(network1.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName1)
netName2 := "testNetThreeCNI2"
network2 := podmanTest.Podman([]string{"network", "create", netName2})
network2.WaitWithDefaultTimeout()
Expect(network2.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName2)
ctrName := "testCtr"
container := podmanTest.Podman([]string{"create", "--network", fmt.Sprintf("%s,%s", netName1, netName2), "--name", ctrName, ALPINE, "top"})
container.WaitWithDefaultTimeout()
Expect(container.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
conData := inspect.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(len(conData[0].NetworkSettings.Networks)).To(Equal(2))
net1, ok := conData[0].NetworkSettings.Networks[netName1]
Expect(ok).To(BeTrue())
Expect(net1.NetworkID).To(Equal(netName1))
net2, ok := conData[0].NetworkSettings.Networks[netName2]
Expect(ok).To(BeTrue())
Expect(net2.NetworkID).To(Equal(netName2))
// Necessary to ensure the CNI network is removed cleanly
rmAll := podmanTest.Podman([]string{"rm", "-f", ctrName})
rmAll.WaitWithDefaultTimeout()
Expect(rmAll.ExitCode()).To(BeZero())
})
It("podman inspect container two CNI networks", func() {
netName1 := "testNetTwoCNI1"
network1 := podmanTest.Podman([]string{"network", "create", "--subnet", "10.50.51.0/25", netName1})
network1.WaitWithDefaultTimeout()
Expect(network1.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName1)
netName2 := "testNetTwoCNI2"
network2 := podmanTest.Podman([]string{"network", "create", "--subnet", "10.50.51.128/26", netName2})
network2.WaitWithDefaultTimeout()
Expect(network2.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName2)
ctrName := "testCtr"
container := podmanTest.Podman([]string{"run", "-dt", "--network", fmt.Sprintf("%s,%s", netName1, netName2), "--name", ctrName, ALPINE, "top"})
container.WaitWithDefaultTimeout()
Expect(container.ExitCode()).To(BeZero())
inspect := podmanTest.Podman([]string{"inspect", ctrName})
inspect.WaitWithDefaultTimeout()
Expect(inspect.ExitCode()).To(BeZero())
conData := inspect.InspectContainerToJSON()
Expect(len(conData)).To(Equal(1))
Expect(len(conData[0].NetworkSettings.Networks)).To(Equal(2))
net1, ok := conData[0].NetworkSettings.Networks[netName1]
Expect(ok).To(BeTrue())
Expect(net1.NetworkID).To(Equal(netName1))
Expect(net1.IPPrefixLen).To(Equal(25))
Expect(strings.HasPrefix(net1.IPAddress, "10.50.51.")).To(BeTrue())
net2, ok := conData[0].NetworkSettings.Networks[netName2]
Expect(ok).To(BeTrue())
Expect(net2.NetworkID).To(Equal(netName2))
Expect(net2.IPPrefixLen).To(Equal(26))
Expect(strings.HasPrefix(net2.IPAddress, "10.50.51.")).To(BeTrue())
// Necessary to ensure the CNI network is removed cleanly
rmAll := podmanTest.Podman([]string{"rm", "-f", ctrName})
rmAll.WaitWithDefaultTimeout()
Expect(rmAll.ExitCode()).To(BeZero())
})
It("podman network remove bogus", func() {
session := podmanTest.Podman([]string{"network", "rm", "bogus"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(1))
})
It("podman network remove --force with pod", func() {
netName := "testnet"
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
session = podmanTest.Podman([]string{"pod", "create", "--network", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
podID := session.OutputToString()
session = podmanTest.Podman([]string{"create", "--pod", podID, ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
session = podmanTest.Podman([]string{"network", "rm", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(2))
session = podmanTest.Podman([]string{"network", "rm", "--force", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
// check if pod is deleted
session = podmanTest.Podman([]string{"pod", "exists", podID})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(1))
// check if net is deleted
session = podmanTest.Podman([]string{"network", "ls"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
Expect(session.OutputToString()).To(Not(ContainSubstring(netName)))
})
It("podman network remove with two networks", func() {
netName1 := "net1"
session := podmanTest.Podman([]string{"network", "create", netName1})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName1)
netName2 := "net2"
session = podmanTest.Podman([]string{"network", "create", netName2})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName2)
session = podmanTest.Podman([]string{"network", "rm", netName1, netName2})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
lines := session.OutputToStringArray()
Expect(lines[0]).To(Equal(netName1))
Expect(lines[1]).To(Equal(netName2))
})
It("podman network with multiple aliases", func() {
Skip("Until DNSName is updated on our CI images")
var worked bool
netName := "aliasTest" + stringid.GenerateNonCryptoID()
session := podmanTest.Podman([]string{"network", "create", netName})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(BeZero())
defer podmanTest.removeCNINetwork(netName)
top := podmanTest.Podman([]string{"run", "-dt", "--name=web", "--network=" + netName, "--network-alias=web1", "--network-alias=web2", nginx})
top.WaitWithDefaultTimeout()
Expect(top.ExitCode()).To(BeZero())
interval := time.Duration(250 * time.Millisecond)
// Wait for the nginx service to be running
for i := 0; i < 6; i++ {
// Test curl against the container's name
c1 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web"})
c1.WaitWithDefaultTimeout()
worked = Expect(c1.ExitCode()).To(BeZero())
if worked {
break
}
time.Sleep(interval)
interval *= 2
}
Expect(worked).To(BeTrue())
// Nginx is now running so no need to do a loop
// Test against the first alias
c2 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web1"})
c2.WaitWithDefaultTimeout()
Expect(c2.ExitCode()).To(BeZero())
// Test against the second alias
c3 := podmanTest.Podman([]string{"run", "--network=" + netName, nginx, "curl", "web2"})
c3.WaitWithDefaultTimeout()
Expect(c3.ExitCode()).To(BeZero())
})
})