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364 lines
12 KiB
Go
364 lines
12 KiB
Go
package network // import "github.com/docker/docker/integration/network"
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import (
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"context"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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swarmtypes "github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/client"
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"github.com/docker/docker/integration/internal/network"
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"github.com/docker/docker/integration/internal/swarm"
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"github.com/docker/docker/internal/test/daemon"
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"gotest.tools/assert"
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"gotest.tools/icmd"
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"gotest.tools/poll"
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"gotest.tools/skip"
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)
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// delInterface removes given network interface
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func delInterface(t *testing.T, ifName string) {
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icmd.RunCommand("ip", "link", "delete", ifName).Assert(t, icmd.Success)
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icmd.RunCommand("iptables", "-t", "nat", "--flush").Assert(t, icmd.Success)
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icmd.RunCommand("iptables", "--flush").Assert(t, icmd.Success)
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}
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func TestDaemonRestartWithLiveRestore(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon())
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.38"), "skip test from new feature")
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d := daemon.New(t)
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defer d.Stop(t)
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d.Start(t)
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d.Restart(t, "--live-restore=true",
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"--default-address-pool", "base=175.30.0.0/16,size=16",
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"--default-address-pool", "base=175.33.0.0/16,size=24")
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// Verify bridge network's subnet
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cli, err := d.NewClient()
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assert.Assert(t, err)
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defer cli.Close()
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out, err := cli.NetworkInspect(context.Background(), "bridge", types.NetworkInspectOptions{})
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assert.NilError(t, err)
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// Make sure docker0 doesn't get override with new IP in live restore case
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assert.Equal(t, out.IPAM.Config[0].Subnet, "172.18.0.0/16")
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}
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func TestDaemonDefaultNetworkPools(t *testing.T) {
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// Remove docker0 bridge and the start daemon defining the predefined address pools
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skip.If(t, testEnv.IsRemoteDaemon())
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.38"), "skip test from new feature")
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defaultNetworkBridge := "docker0"
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delInterface(t, defaultNetworkBridge)
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d := daemon.New(t)
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defer d.Stop(t)
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d.Start(t,
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"--default-address-pool", "base=175.30.0.0/16,size=16",
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"--default-address-pool", "base=175.33.0.0/16,size=24")
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// Verify bridge network's subnet
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cli, err := d.NewClient()
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assert.Assert(t, err)
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defer cli.Close()
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out, err := cli.NetworkInspect(context.Background(), "bridge", types.NetworkInspectOptions{})
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assert.NilError(t, err)
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assert.Equal(t, out.IPAM.Config[0].Subnet, "175.30.0.0/16")
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// Create a bridge network and verify its subnet is the second default pool
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name := "elango" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out, err = cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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assert.Equal(t, out.IPAM.Config[0].Subnet, "175.33.0.0/24")
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// Create a bridge network and verify its subnet is the third default pool
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name = "saanvi" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out, err = cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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assert.Equal(t, out.IPAM.Config[0].Subnet, "175.33.1.0/24")
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delInterface(t, defaultNetworkBridge)
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}
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func TestDaemonRestartWithExistingNetwork(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon())
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.38"), "skip test from new feature")
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defaultNetworkBridge := "docker0"
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d := daemon.New(t)
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d.Start(t)
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defer d.Stop(t)
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// Verify bridge network's subnet
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cli, err := d.NewClient()
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assert.Assert(t, err)
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defer cli.Close()
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// Create a bridge network
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name := "elango" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out, err := cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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networkip := out.IPAM.Config[0].Subnet
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// Restart daemon with default address pool option
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d.Restart(t,
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"--default-address-pool", "base=175.30.0.0/16,size=16",
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"--default-address-pool", "base=175.33.0.0/16,size=24")
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out1, err := cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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assert.Equal(t, out1.IPAM.Config[0].Subnet, networkip)
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delInterface(t, defaultNetworkBridge)
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}
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func TestDaemonRestartWithExistingNetworkWithDefaultPoolRange(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon())
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.38"), "skip test from new feature")
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defaultNetworkBridge := "docker0"
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d := daemon.New(t)
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d.Start(t)
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defer d.Stop(t)
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// Verify bridge network's subnet
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cli, err := d.NewClient()
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assert.Assert(t, err)
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defer cli.Close()
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// Create a bridge network
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name := "elango" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out, err := cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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networkip := out.IPAM.Config[0].Subnet
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// Create a bridge network
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name = "sthira" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out, err = cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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networkip2 := out.IPAM.Config[0].Subnet
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// Restart daemon with default address pool option
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d.Restart(t,
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"--default-address-pool", "base=175.18.0.0/16,size=16",
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"--default-address-pool", "base=175.19.0.0/16,size=24")
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// Create a bridge network
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name = "saanvi" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("bridge"),
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)
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out1, err := cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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assert.Check(t, out1.IPAM.Config[0].Subnet != networkip)
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assert.Check(t, out1.IPAM.Config[0].Subnet != networkip2)
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delInterface(t, defaultNetworkBridge)
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}
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func TestDaemonWithBipAndDefaultNetworkPool(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon())
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.38"), "skip test from new feature")
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defaultNetworkBridge := "docker0"
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d := daemon.New(t)
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defer d.Stop(t)
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d.Start(t, "--bip=172.60.0.1/16",
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"--default-address-pool", "base=175.30.0.0/16,size=16",
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"--default-address-pool", "base=175.33.0.0/16,size=24")
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// Verify bridge network's subnet
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cli, err := d.NewClient()
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assert.Assert(t, err)
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defer cli.Close()
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out, err := cli.NetworkInspect(context.Background(), "bridge", types.NetworkInspectOptions{})
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assert.NilError(t, err)
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// Make sure BIP IP doesn't get override with new default address pool .
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assert.Equal(t, out.IPAM.Config[0].Subnet, "172.60.0.1/16")
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delInterface(t, defaultNetworkBridge)
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}
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func TestServiceWithPredefinedNetwork(t *testing.T) {
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defer setupTest(t)()
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d := swarm.NewSwarm(t, testEnv)
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defer d.Stop(t)
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client := d.NewClientT(t)
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defer client.Close()
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hostName := "host"
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var instances uint64 = 1
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serviceName := "TestService" + t.Name()
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serviceID := swarm.CreateService(t, d,
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swarm.ServiceWithReplicas(instances),
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swarm.ServiceWithName(serviceName),
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swarm.ServiceWithNetwork(hostName),
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)
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poll.WaitOn(t, serviceRunningCount(client, serviceID, instances), swarm.ServicePoll)
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_, _, err := client.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
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assert.NilError(t, err)
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err = client.ServiceRemove(context.Background(), serviceID)
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assert.NilError(t, err)
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}
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const ingressNet = "ingress"
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func TestServiceRemoveKeepsIngressNetwork(t *testing.T) {
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defer setupTest(t)()
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d := swarm.NewSwarm(t, testEnv)
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defer d.Stop(t)
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client := d.NewClientT(t)
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defer client.Close()
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poll.WaitOn(t, swarmIngressReady(client), swarm.NetworkPoll)
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var instances uint64 = 1
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serviceID := swarm.CreateService(t, d,
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swarm.ServiceWithReplicas(instances),
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swarm.ServiceWithName(t.Name()+"-service"),
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swarm.ServiceWithEndpoint(&swarmtypes.EndpointSpec{
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Ports: []swarmtypes.PortConfig{
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{
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Protocol: swarmtypes.PortConfigProtocolTCP,
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TargetPort: 80,
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PublishMode: swarmtypes.PortConfigPublishModeIngress,
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},
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},
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}),
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)
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poll.WaitOn(t, serviceRunningCount(client, serviceID, instances), swarm.ServicePoll)
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_, _, err := client.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
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assert.NilError(t, err)
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err = client.ServiceRemove(context.Background(), serviceID)
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assert.NilError(t, err)
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poll.WaitOn(t, serviceIsRemoved(client, serviceID), swarm.ServicePoll)
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poll.WaitOn(t, noServices(client), swarm.ServicePoll)
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// Ensure that "ingress" is not removed or corrupted
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time.Sleep(10 * time.Second)
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netInfo, err := client.NetworkInspect(context.Background(), ingressNet, types.NetworkInspectOptions{
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Verbose: true,
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Scope: "swarm",
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})
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assert.NilError(t, err, "Ingress network was removed after removing service!")
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assert.Assert(t, len(netInfo.Containers) != 0, "No load balancing endpoints in ingress network")
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assert.Assert(t, len(netInfo.Peers) != 0, "No peers (including self) in ingress network")
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_, ok := netInfo.Containers["ingress-sbox"]
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assert.Assert(t, ok, "ingress-sbox not present in ingress network")
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}
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func serviceRunningCount(client client.ServiceAPIClient, serviceID string, instances uint64) func(log poll.LogT) poll.Result {
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return func(log poll.LogT) poll.Result {
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services, err := client.ServiceList(context.Background(), types.ServiceListOptions{})
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if err != nil {
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return poll.Error(err)
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}
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if len(services) != int(instances) {
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return poll.Continue("Service count at %d waiting for %d", len(services), instances)
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}
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return poll.Success()
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}
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}
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func swarmIngressReady(client client.NetworkAPIClient) func(log poll.LogT) poll.Result {
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return func(log poll.LogT) poll.Result {
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netInfo, err := client.NetworkInspect(context.Background(), ingressNet, types.NetworkInspectOptions{
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Verbose: true,
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Scope: "swarm",
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})
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if err != nil {
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return poll.Error(err)
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}
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np := len(netInfo.Peers)
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nc := len(netInfo.Containers)
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if np == 0 || nc == 0 {
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return poll.Continue("ingress not ready: %d peers and %d containers", nc, np)
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}
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_, ok := netInfo.Containers["ingress-sbox"]
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if !ok {
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return poll.Continue("ingress not ready: does not contain the ingress-sbox")
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}
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return poll.Success()
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}
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}
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func noServices(client client.ServiceAPIClient) func(log poll.LogT) poll.Result {
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return func(log poll.LogT) poll.Result {
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services, err := client.ServiceList(context.Background(), types.ServiceListOptions{})
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switch {
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case err != nil:
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return poll.Error(err)
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case len(services) == 0:
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return poll.Success()
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default:
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return poll.Continue("Service count at %d waiting for 0", len(services))
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}
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}
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}
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func TestServiceWithDefaultAddressPoolInit(t *testing.T) {
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defer setupTest(t)()
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var ops = []func(*daemon.Daemon){}
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ipAddr := []string{"20.20.0.0/16"}
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ops = append(ops, daemon.WithSwarmDefaultAddrPool(ipAddr))
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ops = append(ops, daemon.WithSwarmDefaultAddrPoolSubnetSize(24))
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d := swarm.NewSwarm(t, testEnv, ops...)
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cli := d.NewClientT(t)
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defer cli.Close()
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// Create a overlay network
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name := "saanvisthira" + t.Name()
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network.CreateNoError(t, context.Background(), cli, name,
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network.WithDriver("overlay"))
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var instances uint64 = 1
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serviceName := "TestService" + t.Name()
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serviceID := swarm.CreateService(t, d,
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swarm.ServiceWithReplicas(instances),
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swarm.ServiceWithName(serviceName),
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swarm.ServiceWithNetwork(name),
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)
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poll.WaitOn(t, serviceRunningCount(cli, serviceID, instances), swarm.ServicePoll)
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_, _, err := cli.ServiceInspectWithRaw(context.Background(), serviceID, types.ServiceInspectOptions{})
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assert.NilError(t, err)
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out, err := cli.NetworkInspect(context.Background(), name, types.NetworkInspectOptions{})
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assert.NilError(t, err)
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t.Logf("%s: NetworkInspect: %+v", t.Name(), out)
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assert.Assert(t, len(out.IPAM.Config) > 0)
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assert.Equal(t, out.IPAM.Config[0].Subnet, "20.20.0.0/24")
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err = cli.ServiceRemove(context.Background(), serviceID)
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assert.NilError(t, err)
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d.SwarmLeave(true)
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d.Stop(t)
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// Clean up , set it back to original one to make sure other tests don't fail
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ipAddr = []string{"10.0.0.0/8"}
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ops = append(ops, daemon.WithSwarmDefaultAddrPool(ipAddr))
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ops = append(ops, daemon.WithSwarmDefaultAddrPoolSubnetSize(24))
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d = swarm.NewSwarm(t, testEnv, ops...)
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d.SwarmLeave(true)
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defer d.Stop(t)
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}
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