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run_networking_test.go
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run_networking_test.go
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//go:build linux
package integration
import (
"encoding/json"
"fmt"
"io"
"net"
"os"
"strconv"
"strings"
"sync"
"syscall"
"github.com/containernetworking/plugins/pkg/ns"
"github.com/containers/podman/v5/pkg/domain/entities"
. "github.com/containers/podman/v5/test/utils"
"github.com/containers/storage/pkg/stringid"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
. "github.com/onsi/gomega/gexec"
"github.com/vishvananda/netlink"
)
var _ = Describe("Podman run networking", func() {
hostname, _ := os.Hostname()
It("podman verify network scoped DNS server and also verify updating network dns server", func() {
// Following test is only functional with netavark and aardvark
SkipIfCNI(podmanTest)
net := createNetworkName("IntTest")
session := podmanTest.Podman([]string{"network", "create", net, "--dns", "1.1.1.1"})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"network", "inspect", net})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
var results []entities.NetworkInspectReport
err := json.Unmarshal([]byte(session.OutputToString()), &results)
Expect(err).ToNot(HaveOccurred())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Subnets).To(HaveLen(1))
aardvarkDNSGateway := result.Subnets[0].Gateway.String()
Expect(result.NetworkDNSServers).To(Equal([]string{"1.1.1.1"}))
session = podmanTest.Podman([]string{"run", "-d", "--name", "con1", "--network", net, "busybox", "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"exec", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("Non-authoritative answer: Name: google.com Address:"))
// Update to a bad DNS Server
session = podmanTest.Podman([]string{"network", "update", net, "--dns-add", "127.0.0.255"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// Remove good DNS server
session = podmanTest.Podman([]string{"network", "update", net, "--dns-drop=1.1.1.1"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"exec", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitWithError(1, ""))
Expect(session.OutputToString()).To(ContainSubstring(";; connection timed out; no servers could be reached"))
})
It("podman network dns multiple servers", func() {
// Following test is only functional with netavark and aardvark
SkipIfCNI(podmanTest)
net := createNetworkName("IntTest")
session := podmanTest.Podman([]string{"network", "create", net, "--dns", "1.1.1.1,8.8.8.8", "--dns", "8.4.4.8"})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"network", "inspect", net})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
var results []entities.NetworkInspectReport
err := json.Unmarshal([]byte(session.OutputToString()), &results)
Expect(err).ToNot(HaveOccurred())
Expect(results).To(HaveLen(1))
result := results[0]
Expect(result.Subnets).To(HaveLen(1))
aardvarkDNSGateway := result.Subnets[0].Gateway.String()
Expect(result.NetworkDNSServers).To(Equal([]string{"1.1.1.1", "8.8.8.8", "8.4.4.8"}))
session = podmanTest.Podman([]string{"run", "-d", "--name", "con1", "--network", net, "busybox", "top"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"exec", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("Non-authoritative answer: Name: google.com Address:"))
// Update DNS server
session = podmanTest.Podman([]string{"network", "update", net, "--dns-drop=1.1.1.1,8.8.8.8",
"--dns-drop", "8.4.4.8", "--dns-add", "127.0.0.253,127.0.0.254", "--dns-add", "127.0.0.255"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"network", "inspect", net})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
err = json.Unmarshal([]byte(session.OutputToString()), &results)
Expect(err).ToNot(HaveOccurred())
Expect(results).To(HaveLen(1))
Expect(results[0].NetworkDNSServers).To(Equal([]string{"127.0.0.253", "127.0.0.254", "127.0.0.255"}))
session = podmanTest.Podman([]string{"exec", "con1", "nslookup", "google.com", aardvarkDNSGateway})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitWithError(1, ""))
Expect(session.OutputToString()).To(ContainSubstring(";; connection timed out; no servers could be reached"))
})
It("podman run network connection with default bridge", func() {
session := podmanTest.RunContainerWithNetworkTest("")
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman run network connection with host", func() {
session := podmanTest.RunContainerWithNetworkTest("host")
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman run network connection with default", func() {
session := podmanTest.RunContainerWithNetworkTest("default")
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman run network connection with none", func() {
session := podmanTest.RunContainerWithNetworkTest("none")
session.WaitWithDefaultTimeout()
if _, found := os.LookupEnv("http_proxy"); found {
Expect(session).Should(ExitWithError(5, "Could not resolve proxy:"))
} else {
Expect(session).Should(ExitWithError(6, "Could not resolve host: www.redhat.com"))
}
})
It("podman run network connection with private", func() {
session := podmanTest.RunContainerWithNetworkTest("private")
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman verify resolv.conf with --dns + --network", func() {
// Following test is only functional with netavark and aardvark
// since new behaviour depends upon output from of statusBlock
SkipIfCNI(podmanTest)
net := createNetworkName("IntTest")
session := podmanTest.Podman([]string{"network", "create", net})
session.WaitWithDefaultTimeout()
defer podmanTest.removeNetwork(net)
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"run", "--name", "con1", "--dns", "1.1.1.1", "--network", net, ALPINE, "cat", "/etc/resolv.conf"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// Must not contain custom dns server in containers
// `/etc/resolv.conf` since custom dns-server is
// already expected to be present and processed by
// Podman's DNS resolver i.e ( aarvark-dns or dnsname ).
Expect(session.OutputToString()).ToNot(ContainSubstring("nameserver 1.1.1.1"))
// But /etc/resolve.conf must contain other nameserver
// i.e dns server configured for network.
Expect(session.OutputToString()).To(ContainSubstring("nameserver"))
session = podmanTest.Podman([]string{"run", "--name", "con2", "--dns", "1.1.1.1", ALPINE, "cat", "/etc/resolv.conf"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// All the networks being used by following container
// don't have dns_enabled in such scenario `/etc/resolv.conf`
// must contain nameserver which were specified via `--dns`.
Expect(session.OutputToString()).To(ContainSubstring("nameserver 1.1.1.1"))
})
It("podman run -p 80", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "80", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 80-82 -p 8090:8090", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "80-82", "-p", "8090:8090", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(4))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"][0].HostPort).To(Not(Equal("81")))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["82/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["82/tcp"][0].HostPort).To(Not(Equal("82")))
Expect(inspectOut[0].NetworkSettings.Ports["82/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8090/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8090/tcp"][0]).To(HaveField("HostPort", "8090"))
Expect(inspectOut[0].NetworkSettings.Ports["8090/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 80-81 -p 8180-8181", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "80-81", "-p", "8180-8181", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(4))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"][0].HostPort).To(Not(Equal("81")))
Expect(inspectOut[0].NetworkSettings.Ports["81/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8180/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8180/tcp"][0].HostPort).To(Not(Equal("8180")))
Expect(inspectOut[0].NetworkSettings.Ports["8180/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"][0].HostPort).To(Not(Equal("8181")))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 80 -p 8280-8282:8280-8282", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "80", "-p", "8280-8282:8280-8282", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(4))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8280/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8280/tcp"][0]).To(HaveField("HostPort", "8280"))
Expect(inspectOut[0].NetworkSettings.Ports["8280/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8281/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8281/tcp"][0]).To(HaveField("HostPort", "8281"))
Expect(inspectOut[0].NetworkSettings.Ports["8281/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["8282/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8282/tcp"][0]).To(HaveField("HostPort", "8282"))
Expect(inspectOut[0].NetworkSettings.Ports["8282/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 8380:80", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "8380:80", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostPort", "8380"))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 8480:80/TCP", func() {
name := "testctr"
// "TCP" in upper characters
session := podmanTest.Podman([]string{"create", "-t", "-p", "8480:80/TCP", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
// "tcp" in lower characters
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostPort", "8480"))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 80/udp", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "80/udp", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0].HostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p 127.0.0.1:8580:80", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "127.0.0.1:8580:80", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostPort", "8580"))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "127.0.0.1"))
})
It("podman run -p 127.0.0.1:8680:80/udp", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "127.0.0.1:8680:80/udp", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostPort", "8680"))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostIP", "127.0.0.1"))
})
It("podman run -p [::1]:8780:80/udp", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "[::1]:8780:80/udp", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostPort", "8780"))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostIP", "::1"))
})
It("podman run -p [::1]:8880:80/tcp", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "[::1]:8880:80/tcp", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostPort", "8880"))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "::1"))
})
It("podman run --expose 80 -P", func() {
name := "testctr"
session := podmanTest.Podman([]string{"run", "-d", "--expose", "80", "-P", "--name", name, ALPINE, "sleep", "100"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort).To(Not(Equal("0")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run --expose 80/udp -P", func() {
name := "testctr"
session := podmanTest.Podman([]string{"run", "-d", "--expose", "80/udp", "-P", "--name", name, ALPINE, "sleep", "100"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0].HostPort).To(Not(Equal("0")))
Expect(inspectOut[0].NetworkSettings.Ports["80/udp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run --expose port range", func() {
session := podmanTest.Podman([]string{"run", "-d", "--expose", "1000-9999", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"ps", "-a", "--format", "{{.Ports}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// This must use Equal() to ensure we do not see anything extra
Expect(session.OutputToString()).To(Equal("1000-9999/tcp"))
name := "testctr"
session = podmanTest.Podman([]string{"run", "-d", "--expose", "222-223", "-P", "--name", name, ALPINE, "sleep", "100"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(2))
Expect(inspectOut[0].NetworkSettings.Ports["222/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["222/tcp"][0].HostPort).To(Not(Equal("0")))
Expect(inspectOut[0].NetworkSettings.Ports["222/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
Expect(inspectOut[0].NetworkSettings.Ports["223/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["223/tcp"][0].HostPort).To(Not(Equal("0")))
Expect(inspectOut[0].NetworkSettings.Ports["223/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run --expose 80 -p 80", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "--expose", "80", "-p", "80", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
hostPort := inspectOut[0].NetworkSettings.Ports["80/tcp"][0].HostPort
Expect(hostPort).To(Not(Equal("80")))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
session = podmanTest.Podman([]string{"ps", "-a", "--format", "{{.Ports}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// This must use Equal() to ensure we do not see the extra ", 80/tcp" from the exposed port
Expect(session.OutputToString()).To(Equal("0.0.0.0:" + hostPort + "->80/tcp"))
})
It("podman run --publish-all with EXPOSE port ranges in Dockerfile", func() {
// Test port ranges, range with protocol and with an overlapping port
podmanTest.AddImageToRWStore(ALPINE)
dockerfile := fmt.Sprintf(`FROM %s
EXPOSE 2002
EXPOSE 2001-2003
EXPOSE 2004-2005/tcp`, ALPINE)
imageName := "testimg"
podmanTest.BuildImage(dockerfile, imageName, "false")
// Verify that the buildah is just passing through the EXPOSE keys
inspect := podmanTest.Podman([]string{"inspect", imageName})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(ExitCleanly())
image := inspect.InspectImageJSON()
Expect(image).To(HaveLen(1))
Expect(image[0].Config.ExposedPorts).To(HaveLen(3))
Expect(image[0].Config.ExposedPorts).To(HaveKey("2002/tcp"))
Expect(image[0].Config.ExposedPorts).To(HaveKey("2001-2003/tcp"))
Expect(image[0].Config.ExposedPorts).To(HaveKey("2004-2005/tcp"))
session := podmanTest.Podman([]string{"create", imageName})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"ps", "-a", "--format", "{{.Ports}}"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// This must use Equal() to ensure we do not see anything extra
Expect(session.OutputToString()).To(Equal("2001-2005/tcp"))
containerName := "testcontainer"
session = podmanTest.Podman([]string{"create", "--publish-all", "--name", containerName, imageName})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(containerName)
Expect(inspectOut).To(HaveLen(1))
// Inspect the network settings with available ports to be mapped to the host
// Don't need to verity HostConfig.PortBindings since we used --publish-all
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(5))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveKey("2001/tcp"))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveKey("2002/tcp"))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveKey("2003/tcp"))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveKey("2004/tcp"))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveKey("2005/tcp"))
Expect(inspectOut[0].HostConfig.PublishAllPorts).To(BeTrue())
})
It("podman run --net=host --expose includes ports in inspect output", func() {
containerName := "testctr"
session := podmanTest.Podman([]string{"run", "--net=host", "--name", containerName, "-d", "--expose", "8080/tcp", NGINX_IMAGE, "sleep", "+inf"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(containerName)
Expect(inspectOut).To(HaveLen(1))
// Ports is empty. ExposedPorts is not.
Expect(inspectOut[0].NetworkSettings.Ports).To(BeEmpty())
// 80 from the image, 8080 from the expose
Expect(inspectOut[0].Config.ExposedPorts).To(HaveLen(2))
Expect(inspectOut[0].Config.ExposedPorts).To(HaveKey("80/tcp"))
Expect(inspectOut[0].Config.ExposedPorts).To(HaveKey("8080/tcp"))
})
It("podman run --net=container --expose exposed port from own container", func() {
ctr1 := "test1"
session1 := podmanTest.Podman([]string{"run", "-d", "--name", ctr1, "--expose", "8080/tcp", ALPINE, "top"})
session1.WaitWithDefaultTimeout()
Expect(session1).Should(ExitCleanly())
ctr2 := "test2"
session2 := podmanTest.Podman([]string{"run", "-d", "--name", ctr2, "--net", fmt.Sprintf("container:%s", ctr1), "--expose", "8090/tcp", ALPINE, "top"})
session2.WaitWithDefaultTimeout()
Expect(session2).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(ctr2)
Expect(inspectOut).To(HaveLen(1))
// Ports will not be populated. ExposedPorts will be.
Expect(inspectOut[0].NetworkSettings.Ports).To(BeEmpty())
Expect(inspectOut[0].Config.ExposedPorts).To(HaveLen(1))
Expect(inspectOut[0].Config.ExposedPorts).To(HaveKey("8090/tcp"))
})
It("podman run -p 127.0.0.1::8980/udp", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "127.0.0.1::8980/udp", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8980/udp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8980/udp"][0].HostPort).To(Not(Equal("8980")))
Expect(inspectOut[0].NetworkSettings.Ports["8980/udp"][0]).To(HaveField("HostIP", "127.0.0.1"))
})
It("podman run -p :8181", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", ":8181", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"][0].HostPort).To(Not(Equal("8181")))
Expect(inspectOut[0].NetworkSettings.Ports["8181/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run -p xxx:8080 -p yyy:8080", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "4444:8080", "-p", "5555:8080", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["8080/tcp"]).To(HaveLen(2))
hp1 := inspectOut[0].NetworkSettings.Ports["8080/tcp"][0].HostPort
hp2 := inspectOut[0].NetworkSettings.Ports["8080/tcp"][1].HostPort
// We can't guarantee order
Expect((hp1 == "4444" && hp2 == "5555") || (hp1 == "5555" && hp2 == "4444")).To(BeTrue())
})
It("podman run -p 0.0.0.0:9280:80", func() {
name := "testctr"
session := podmanTest.Podman([]string{"create", "-t", "-p", "0.0.0.0:9280:80", "--name", name, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"]).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostPort", "9280"))
Expect(inspectOut[0].NetworkSettings.Ports["80/tcp"][0]).To(HaveField("HostIP", "0.0.0.0"))
})
It("podman run slirp4netns verify net.ipv6.conf.default.accept_dad=0", func() {
session := podmanTest.Podman([]string{"run", "--network", "slirp4netns:enable_ipv6=true", ALPINE, "ip", "addr"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// check the ipv6 setup id done without delay (https://github.com/containers/podman/issues/11062)
Expect(session.OutputToString()).To(ContainSubstring("inet6 fd00::"))
const ipv6ConfDefaultAcceptDadSysctl = "/proc/sys/net/ipv6/conf/all/accept_dad"
cat := SystemExec("cat", []string{ipv6ConfDefaultAcceptDadSysctl})
cat.WaitWithDefaultTimeout()
Expect(cat).Should(ExitCleanly())
sysctlValue := cat.OutputToString()
session = podmanTest.Podman([]string{"run", "--network", "slirp4netns:enable_ipv6=true", ALPINE, "cat", ipv6ConfDefaultAcceptDadSysctl})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(Equal(sysctlValue))
})
It("podman run network expose host port 8080 to container port 8000 using invalid port handler", func() {
session := podmanTest.Podman([]string{"run", "--network", "slirp4netns:port_handler=invalid", "-dt", "-p", "8080:8000", ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
Expect(session).To(ExitWithError(126, `unknown port_handler for slirp4netns: "invalid"`))
})
It("podman run slirp4netns network with host loopback", func() {
session := podmanTest.Podman([]string{"run", "--cap-add", "net_raw", "--network", "slirp4netns:allow_host_loopback=true", ALPINE, "ping", "-c1", "10.0.2.2"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman run slirp4netns network with mtu", func() {
session := podmanTest.Podman([]string{"run", "--network", "slirp4netns:mtu=9000", ALPINE, "ip", "addr"})
session.Wait(30)
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("mtu 9000"))
})
It("podman run slirp4netns network with different cidr", func() {
slirp4netnsHelp := SystemExec("slirp4netns", []string{"--help"})
Expect(slirp4netnsHelp).Should(ExitCleanly())
networkConfiguration := "slirp4netns:cidr=192.168.0.0/24,allow_host_loopback=true"
session := podmanTest.Podman([]string{"run", "--cap-add", "net_raw", "--network", networkConfiguration, ALPINE, "ping", "-c1", "192.168.0.2"})
session.Wait(30)
if strings.Contains(slirp4netnsHelp.OutputToString(), "cidr") {
Expect(session).Should(ExitCleanly())
} else {
Expect(session).To(ExitWithError(125, "cidr not supported"))
}
})
for _, local := range []bool{true, false} {
testName := "HostIP"
if local {
testName = "127.0.0.1"
}
It(fmt.Sprintf("podman run network slirp4netns bind to %s", testName), func() {
ip := "127.0.0.1"
if !local {
// Determine our likeliest outgoing IP address
conn, err := net.Dial("udp", "8.8.8.8:80")
Expect(err).ToNot(HaveOccurred())
defer conn.Close()
ip = conn.LocalAddr().(*net.UDPAddr).IP.String()
}
port := strconv.Itoa(GetPort())
networkConfiguration := fmt.Sprintf("slirp4netns:outbound_addr=%s,allow_host_loopback=true", ip)
listener, err := net.Listen("tcp", ":"+port)
Expect(err).ToNot(HaveOccurred())
defer listener.Close()
msg := RandomString(10)
wg := &sync.WaitGroup{}
wg.Add(1)
// now use a new goroutine to start accepting connection in the background and make the checks there
go func() {
defer GinkgoRecover()
defer wg.Done()
conn, err := listener.Accept()
Expect(err).ToNot(HaveOccurred(), "accept new connection")
defer conn.Close()
addr := conn.RemoteAddr()
// addr will be in the form ip:port, we don't care about the port as it is random
Expect(addr.String()).To(HavePrefix(ip+":"), "remote address")
gotBytes, err := io.ReadAll(conn)
Expect(err).ToNot(HaveOccurred(), "read from connection")
Expect(string(gotBytes)).To(Equal(msg), "received correct message from container")
}()
session := podmanTest.Podman([]string{"run", "--network", networkConfiguration, ALPINE, "sh", "-c", "echo -n " + msg + " | nc -w 30 10.0.2.2 " + port})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
// explicitly close the socket here before we wait to unlock Accept() calls in case of hangs
listener.Close()
// wait for the checks in the goroutine to be done
wg.Wait()
})
}
It("podman run network expose ports in image metadata", func() {
session := podmanTest.Podman([]string{"create", "--name", "test", "-t", "-P", NGINX_IMAGE})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
results := podmanTest.Podman([]string{"inspect", "test"})
results.WaitWithDefaultTimeout()
Expect(results).Should(ExitCleanly())
Expect(results.OutputToString()).To(ContainSubstring(`"80/tcp":`))
})
It("podman run network expose duplicate host port results in error", func() {
port := "8190" // Make sure this isn't used anywhere else
session := podmanTest.Podman([]string{"run", "--name", "test", "-dt", "-p", port, ALPINE, "/bin/sh"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
inspect := podmanTest.Podman([]string{"inspect", "test"})
inspect.WaitWithDefaultTimeout()
Expect(inspect).Should(ExitCleanly())
containerConfig := inspect.InspectContainerToJSON()
Expect(containerConfig[0].NetworkSettings.Ports).To(Not(BeNil()))
Expect(containerConfig[0].NetworkSettings.Ports).To(HaveKeyWithValue(port+"/tcp", Not(BeNil())))
Expect(containerConfig[0].NetworkSettings.Ports[port+"/tcp"][0].HostPort).ToNot(Equal(port))
})
It("podman run forward sctp protocol", func() {
SkipIfRootless("sctp protocol only works as root")
session := podmanTest.Podman([]string{"--log-level=info", "run", "--name=test", "-p", "80/sctp", "-p", "81/sctp", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
// we can only check logrus on local podman
if !IsRemote() {
// check that the info message for sctp protocol is only displayed once
Expect(strings.Count(session.ErrorToString(), "Port reservation for SCTP is not supported")).To(Equal(1), "`Port reservation for SCTP is not supported` is not displayed exactly one time in the logrus logs")
}
results := podmanTest.Podman([]string{"inspect", "test"})
results.WaitWithDefaultTimeout()
Expect(results).Should(ExitCleanly())
Expect(results.OutputToString()).To(ContainSubstring(`"80/sctp":`))
Expect(results.OutputToString()).To(ContainSubstring(`"81/sctp":`))
})
It("podman run hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(Not(ContainSubstring(hostname)))
})
It("podman run --net host hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring(hostname))
})
It("podman run --net host --uts host hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", "--uts", "host", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring(hostname))
})
It("podman run --uts host hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--uts", "host", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring(hostname))
})
It("podman run --net host --hostname ... hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--net", "host", "--hostname", "foobar", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("foobar"))
})
It("podman run --hostname ... hostname test", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--hostname", "foobar", ALPINE, "printenv", "HOSTNAME"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("foobar"))
})
It("podman run --net container: and --uts container:", func() {
ctrName := "ctrToJoin"
ctr1 := podmanTest.RunTopContainer(ctrName)
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(ExitCleanly())
ctr2 := podmanTest.Podman([]string{"run", "-d", "--net=container:" + ctrName, "--uts=container:" + ctrName, ALPINE, "true"})
ctr2.WaitWithDefaultTimeout()
Expect(ctr2).Should(ExitCleanly())
})
It("podman run --net container: and --add-host should fail", func() {
ctrName := "ctrToJoin"
ctr1 := podmanTest.RunTopContainer(ctrName)
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(ExitCleanly())
ctr2 := podmanTest.Podman([]string{"run", "-d", "--net=container:" + ctrName, "--add-host", "host1:127.0.0.1", ALPINE, "true"})
ctr2.WaitWithDefaultTimeout()
Expect(ctr2).Should(ExitWithError(125, "cannot set extra host entries when the container is joined to another containers network namespace: invalid configuration"))
})
It("podman run --net container: copies hosts and resolv", func() {
ctrName := "ctr1"
ctr1 := podmanTest.RunTopContainer(ctrName)
ctr1.WaitWithDefaultTimeout()
Expect(ctr1).Should(ExitCleanly())
// Exec in and modify /etc/resolv.conf and /etc/hosts
exec1 := podmanTest.Podman([]string{"exec", ctrName, "sh", "-c", "echo nameserver 192.0.2.1 > /etc/resolv.conf"})
exec1.WaitWithDefaultTimeout()
Expect(exec1).Should(ExitCleanly())
exec2 := podmanTest.Podman([]string{"exec", ctrName, "sh", "-c", "echo 192.0.2.2 test1 > /etc/hosts"})
exec2.WaitWithDefaultTimeout()
Expect(exec2).Should(ExitCleanly())
ctrName2 := "ctr2"
ctr2 := podmanTest.Podman([]string{"run", "-d", "--net=container:" + ctrName, "--name", ctrName2, ALPINE, "top"})
ctr2.WaitWithDefaultTimeout()
Expect(ctr2).Should(ExitCleanly())
exec3 := podmanTest.Podman([]string{"exec", ctrName2, "cat", "/etc/resolv.conf"})
exec3.WaitWithDefaultTimeout()
Expect(exec3).Should(ExitCleanly())
Expect(exec3.OutputToString()).To(ContainSubstring("nameserver 192.0.2.1"))
exec4 := podmanTest.Podman([]string{"exec", ctrName2, "cat", "/etc/hosts"})
exec4.WaitWithDefaultTimeout()
Expect(exec4).Should(ExitCleanly())
Expect(exec4.OutputToString()).To(ContainSubstring("192.0.2.2 test1"))
})
It("podman run /etc/hosts contains --hostname", func() {
session := podmanTest.Podman([]string{"run", "--rm", "--hostname", "foohostname", ALPINE, "grep", "foohostname", "/etc/hosts"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
})
It("podman run --uidmap /etc/hosts contains --hostname", func() {
SkipIfRootless("uidmap population of cninetworks not supported for rootless users")
session := podmanTest.Podman([]string{"run", "--uidmap", "0:100000:1000", "--rm", "--hostname", "foohostname", ALPINE, "grep", "foohostname", "/etc/hosts"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitCleanly())
session = podmanTest.Podman([]string{"run", "--uidmap", "0:100000:1000", "--rm", "--hostname", "foohostname", "-v", "/etc/hosts:/etc/hosts", ALPINE, "grep", "foohostname", "/etc/hosts"})
session.WaitWithDefaultTimeout()
Expect(session).Should(ExitWithError(1, ""))
})
It("podman run network in user created network namespace", func() {
SkipIfRootless("ip netns is not supported for rootless users")
if Containerized() {
Skip("Cannot be run within a container.")
}
addXXX := SystemExec("ip", []string{"netns", "add", "xxx"})
Expect(addXXX).Should(ExitCleanly())
defer func() {
delXXX := SystemExec("ip", []string{"netns", "delete", "xxx"})
Expect(delXXX).Should(ExitCleanly())
}()
session := podmanTest.Podman([]string{"run", "-dt", "--net", "ns:/run/netns/xxx", ALPINE, "wget", "www.redhat.com"})
session.Wait(90)
Expect(session).Should(ExitCleanly())
})
It("podman run n user created network namespace with resolv.conf", func() {
SkipIfRootless("ip netns is not supported for rootless users")
if Containerized() {
Skip("Cannot be run within a container.")
}
addXXX2 := SystemExec("ip", []string{"netns", "add", "xxx2"})
Expect(addXXX2).Should(ExitCleanly())
defer func() {
delXXX2 := SystemExec("ip", []string{"netns", "delete", "xxx2"})
Expect(delXXX2).Should(ExitCleanly())
}()
mdXXX2 := SystemExec("mkdir", []string{"-p", "/etc/netns/xxx2"})
Expect(mdXXX2).Should(ExitCleanly())
defer os.RemoveAll("/etc/netns/xxx2")
nsXXX2 := SystemExec("bash", []string{"-c", "echo nameserver 11.11.11.11 > /etc/netns/xxx2/resolv.conf"})
Expect(nsXXX2).Should(ExitCleanly())
session := podmanTest.Podman([]string{"run", "--net", "ns:/run/netns/xxx2", ALPINE, "cat", "/etc/resolv.conf"})
session.Wait(90)
Expect(session).Should(ExitCleanly())
Expect(session.OutputToString()).To(ContainSubstring("11.11.11.11"))
})
addAddr := func(cidr string, containerInterface netlink.Link) error {
_, ipnet, err := net.ParseCIDR(cidr)
Expect(err).ToNot(HaveOccurred())
addr := &netlink.Addr{IPNet: ipnet, Label: ""}
if err := netlink.AddrAdd(containerInterface, addr); err != nil && err != syscall.EEXIST {
return err
}
return nil
}
loopbackup := func() {
lo, err := netlink.LinkByName("lo")
Expect(err).ToNot(HaveOccurred())
err = netlink.LinkSetUp(lo)
Expect(err).ToNot(HaveOccurred())
}
linkup := func(name string, mac string, addresses []string) {
linkAttr := netlink.NewLinkAttrs()
linkAttr.Name = name
m, err := net.ParseMAC(mac)
Expect(err).ToNot(HaveOccurred())
linkAttr.HardwareAddr = m
eth := &netlink.Dummy{LinkAttrs: linkAttr}
err = netlink.LinkAdd(eth)
Expect(err).ToNot(HaveOccurred())
err = netlink.LinkSetUp(eth)
Expect(err).ToNot(HaveOccurred())
for _, address := range addresses {
err := addAddr(address, eth)
Expect(err).ToNot(HaveOccurred())
}
}
routeAdd := func(gateway string) {
gw := net.ParseIP(gateway)
route := &netlink.Route{Dst: nil, Gw: gw}
err = netlink.RouteAdd(route)
Expect(err).ToNot(HaveOccurred())
}
setupNetworkNs := func(networkNSName string) {
_ = ns.WithNetNSPath("/run/netns/"+networkNSName, func(_ ns.NetNS) error {
loopbackup()
linkup("eth0", "46:7f:45:6e:4f:c8", []string{"10.25.40.0/24", "fd04:3e42:4a4e:3381::/64"})
linkup("eth1", "56:6e:35:5d:3e:a8", []string{"10.88.0.0/16"})
routeAdd("10.25.40.0")
return nil
})
}
checkNetworkNsInspect := func(name string) {
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut[0].NetworkSettings).To(HaveField("IPAddress", "10.25.40.0"))
Expect(inspectOut[0].NetworkSettings).To(HaveField("IPPrefixLen", 24))
Expect(inspectOut[0].NetworkSettings.SecondaryIPAddresses).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.SecondaryIPAddresses[0]).To(HaveField("Addr", "10.88.0.0"))
Expect(inspectOut[0].NetworkSettings.SecondaryIPAddresses[0]).To(HaveField("PrefixLength", 16))
Expect(inspectOut[0].NetworkSettings).To(HaveField("GlobalIPv6Address", "fd04:3e42:4a4e:3381::"))
Expect(inspectOut[0].NetworkSettings).To(HaveField("GlobalIPv6PrefixLen", 64))
Expect(inspectOut[0].NetworkSettings.SecondaryIPv6Addresses).To(BeEmpty())
Expect(inspectOut[0].NetworkSettings).To(HaveField("MacAddress", "46:7f:45:6e:4f:c8"))
Expect(inspectOut[0].NetworkSettings.AdditionalMacAddresses).To(HaveLen(1))
Expect(inspectOut[0].NetworkSettings.AdditionalMacAddresses[0]).To(Equal("56:6e:35:5d:3e:a8"))
Expect(inspectOut[0].NetworkSettings).To(HaveField("Gateway", "10.25.40.0"))
}
It("podman run network inspect fails gracefully on non-reachable network ns", func() {
SkipIfRootless("ip netns is not supported for rootless users")
networkNSName := RandomString(12)
addNamedNetwork := SystemExec("ip", []string{"netns", "add", networkNSName})
Expect(addNamedNetwork).Should(ExitCleanly())
setupNetworkNs(networkNSName)
name := RandomString(12)
session := podmanTest.Podman([]string{"run", "-d", "--name", name, "--net", "ns:/run/netns/" + networkNSName, ALPINE, "top"})
session.WaitWithDefaultTimeout()
// delete the named network ns before inspect
delNetworkNamespace := SystemExec("ip", []string{"netns", "delete", networkNSName})
Expect(delNetworkNamespace).Should(ExitCleanly())
inspectOut := podmanTest.InspectContainer(name)
Expect(inspectOut[0].NetworkSettings).To(HaveField("IPAddress", ""))
Expect(inspectOut[0].NetworkSettings.Networks).To(BeEmpty())
})
It("podman inspect can handle joined network ns with multiple interfaces", func() {
SkipIfRootless("ip netns is not supported for rootless users")
networkNSName := RandomString(12)
addNamedNetwork := SystemExec("ip", []string{"netns", "add", networkNSName})
Expect(addNamedNetwork).Should(ExitCleanly())
defer func() {
delNetworkNamespace := SystemExec("ip", []string{"netns", "delete", networkNSName})
Expect(delNetworkNamespace).Should(ExitCleanly())
}()
setupNetworkNs(networkNSName)
name := RandomString(12)
session := podmanTest.Podman([]string{"run", "--name", name, "--net", "ns:/run/netns/" + networkNSName, ALPINE})
session.WaitWithDefaultTimeout()
session = podmanTest.Podman([]string{"container", "rm", name})
session.WaitWithDefaultTimeout()
// no network teardown should touch joined network ns interfaces
session = podmanTest.Podman([]string{"run", "-d", "--replace", "--name", name, "--net", "ns:/run/netns/" + networkNSName, ALPINE, "top"})
session.WaitWithDefaultTimeout()
checkNetworkNsInspect(name)
})
It("podman do not tamper with joined network ns interfaces", func() {
SkipIfRootless("ip netns is not supported for rootless users")
networkNSName := RandomString(12)
addNamedNetwork := SystemExec("ip", []string{"netns", "add", networkNSName})
Expect(addNamedNetwork).Should(ExitCleanly())
defer func() {
delNetworkNamespace := SystemExec("ip", []string{"netns", "delete", networkNSName})
Expect(delNetworkNamespace).Should(ExitCleanly())
}()
setupNetworkNs(networkNSName)
name := RandomString(12)
session := podmanTest.Podman([]string{"run", "--name", name, "--net", "ns:/run/netns/" + networkNSName, ALPINE})
session.WaitWithDefaultTimeout()
checkNetworkNsInspect(name)