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56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
package system
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import (
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"context"
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"os"
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"testing"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/integration/internal/container"
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"github.com/docker/docker/internal/test/daemon"
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"gotest.tools/assert"
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)
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// hasSystemd checks whether the host was booted with systemd as its init
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// system. Stolen from
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// https://github.com/coreos/go-systemd/blob/176f85496f4e/util/util.go#L68
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func hasSystemd() bool {
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fi, err := os.Lstat("/run/systemd/system")
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if err != nil {
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return false
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}
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return fi.IsDir()
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}
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// TestCgroupDriverSystemdMemoryLimit checks that container
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// memory limit can be set when using systemd cgroupdriver.
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// https://github.com/moby/moby/issues/35123
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func TestCgroupDriverSystemdMemoryLimit(t *testing.T) {
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t.Parallel()
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if !hasSystemd() {
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t.Skip("systemd not available")
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}
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d := daemon.New(t)
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client, err := d.NewClient()
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assert.NilError(t, err)
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d.StartWithBusybox(t, "--exec-opt", "native.cgroupdriver=systemd", "--iptables=false")
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defer d.Stop(t)
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const mem = 64 * 1024 * 1024 // 64 MB
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ctx := context.Background()
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ctrID := container.Create(t, ctx, client, func(c *container.TestContainerConfig) {
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c.HostConfig.Resources.Memory = mem
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})
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defer client.ContainerRemove(ctx, ctrID, types.ContainerRemoveOptions{Force: true})
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err = client.ContainerStart(ctx, ctrID, types.ContainerStartOptions{})
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assert.NilError(t, err)
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s, err := client.ContainerInspect(ctx, ctrID)
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assert.NilError(t, err)
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assert.Equal(t, s.HostConfig.Memory, mem)
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}
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