mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
2f0d6664a1
Starting with runc v1.0.0-rc94, runc no longer supports KernelMemory.
52390d6804
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
101 lines
3.5 KiB
Go
101 lines
3.5 KiB
Go
package container // import "github.com/docker/docker/integration/container"
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import (
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"context"
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"strings"
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"testing"
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"time"
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containertypes "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/integration/internal/container"
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net "github.com/docker/docker/integration/internal/network"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/poll"
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"gotest.tools/v3/skip"
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)
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func TestNISDomainname(t *testing.T) {
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// Older versions of the daemon would concatenate hostname and domainname,
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// so hostname "foobar" and domainname "baz.cyphar.com" would produce
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// `foobar.baz.cyphar.com` as hostname.
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.40"), "skip test from new feature")
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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// Rootless supports custom Hostname but doesn't support custom Domainname
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// OCI runtime create failed: container_linux.go:349: starting container process caused "process_linux.go:449: container init caused \
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// "write sysctl key kernel.domainname: open /proc/sys/kernel/domainname: permission denied\"": unknown.
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skip.If(t, testEnv.IsRootless, "rootless mode doesn't support setting Domainname (TODO: https://github.com/moby/moby/issues/40632)")
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defer setupTest(t)()
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client := testEnv.APIClient()
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ctx := context.Background()
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const (
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hostname = "foobar"
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domainname = "baz.cyphar.com"
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)
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cID := container.Run(ctx, t, client, func(c *container.TestContainerConfig) {
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c.Config.Hostname = hostname
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c.Config.Domainname = domainname
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})
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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inspect, err := client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal(hostname, inspect.Config.Hostname))
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assert.Check(t, is.Equal(domainname, inspect.Config.Domainname))
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// Check hostname.
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res, err := container.Exec(ctx, client, cID,
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[]string{"cat", "/proc/sys/kernel/hostname"})
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assert.NilError(t, err)
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assert.Assert(t, is.Len(res.Stderr(), 0))
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assert.Equal(t, 0, res.ExitCode)
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assert.Check(t, is.Equal(hostname, strings.TrimSpace(res.Stdout())))
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// Check domainname.
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res, err = container.Exec(ctx, client, cID,
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[]string{"cat", "/proc/sys/kernel/domainname"})
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assert.NilError(t, err)
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assert.Assert(t, is.Len(res.Stderr(), 0))
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assert.Equal(t, 0, res.ExitCode)
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assert.Check(t, is.Equal(domainname, strings.TrimSpace(res.Stdout())))
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}
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func TestHostnameDnsResolution(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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defer setupTest(t)()
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client := testEnv.APIClient()
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ctx := context.Background()
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const (
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hostname = "foobar"
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)
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// using user defined network as we want to use internal DNS
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netName := "foobar-net"
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net.CreateNoError(context.Background(), t, client, netName, net.WithDriver("bridge"))
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cID := container.Run(ctx, t, client, func(c *container.TestContainerConfig) {
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c.Config.Hostname = hostname
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c.HostConfig.NetworkMode = containertypes.NetworkMode(netName)
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})
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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inspect, err := client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal(hostname, inspect.Config.Hostname))
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// Clear hosts file so ping will use DNS for hostname resolution
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res, err := container.Exec(ctx, client, cID,
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[]string{"sh", "-c", "echo 127.0.0.1 localhost | tee /etc/hosts && ping -c 1 foobar"})
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assert.NilError(t, err)
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assert.Check(t, is.Equal("", res.Stderr()))
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assert.Equal(t, 0, res.ExitCode)
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}
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