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Add TC for com.docker.network.host_ipv4 label

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This PR adds a testcase for the com.docker.network.host_ipv4
label commited via https://github.com/docker/libnetwork/pull/2454

Signed-off-by: Arko Dasgupta <arko.dasgupta@docker.com>
This commit is contained in:
Arko Dasgupta 2020-03-04 14:44:08 -08:00 committed by Sebastiaan van Stijn
parent 19dcaf63cb
commit 2e0762ae44
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GPG key ID: 76698F39D527CE8C
1 changed files with 27 additions and 0 deletions
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27
integration/network/network_test.go
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@ -10,10 +10,12 @@ import (
"github.com/docker/docker/api/types"
"github.com/docker/docker/integration/internal/container"
"github.com/docker/docker/integration/internal/network"
"github.com/docker/docker/testutil/daemon"
"github.com/docker/docker/testutil/request"
"gotest.tools/v3/assert"
is "gotest.tools/v3/assert/cmp"
"gotest.tools/v3/icmd"
"gotest.tools/v3/skip"
)
@ -89,3 +91,28 @@ func TestNetworkInvalidJSON(t *testing.T) {
})
}
}
func TestHostIPv4BridgeLabel(t *testing.T) {
skip.If(t, testEnv.OSType == "windows")
skip.If(t, testEnv.IsRemoteDaemon)
d := daemon.New(t)
d.Start(t)
defer d.Stop(t)
c := d.NewClientT(t)
defer c.Close()
ctx := context.Background()
ipv4SNATAddr := "172.0.0.172"
// Create a bridge network with --opt com.docker.network.host_ipv4=172.0.0.172
bridgeName := "hostIPv4Bridge"
network.CreateNoError(ctx, t, c, bridgeName,
network.WithDriver("bridge"),
network.WithOption("com.docker.network.host_ipv4", ipv4SNATAddr),
network.WithOption("com.docker.network.bridge.name", bridgeName),
)
out, err := c.NetworkInspect(ctx, bridgeName, types.NetworkInspectOptions{Verbose: true})
assert.NilError(t, err)
assert.Assert(t, len(out.IPAM.Config) > 0)
// Make sure the SNAT rule exists
icmd.RunCommand("iptables", "-t", "nat", "-C", "POSTROUTING", "-s", out.IPAM.Config[0].Subnet, "!", "-o", bridgeName, "-j", "SNAT", "--to-source", ipv4SNATAddr).Assert(t, icmd.Success)
}