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108 lines
3.1 KiB
Go
108 lines
3.1 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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"strconv"
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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/integration/internal/container"
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"github.com/docker/docker/internal/test/request"
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"gotest.tools/assert"
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is "gotest.tools/assert/cmp"
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"gotest.tools/poll"
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"gotest.tools/skip"
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)
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func TestUpdateMemory(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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skip.If(t, !testEnv.DaemonInfo.MemoryLimit)
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skip.If(t, !testEnv.DaemonInfo.SwapLimit)
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defer setupTest(t)()
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client := request.NewAPIClient(t)
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ctx := context.Background()
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cID := container.Run(t, ctx, client, func(c *container.TestContainerConfig) {
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c.HostConfig.Resources = containertypes.Resources{
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Memory: 200 * 1024 * 1024,
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}
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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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const (
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setMemory int64 = 314572800
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setMemorySwap int64 = 524288000
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)
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_, err := client.ContainerUpdate(ctx, cID, containertypes.UpdateConfig{
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Resources: containertypes.Resources{
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Memory: setMemory,
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MemorySwap: setMemorySwap,
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},
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})
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assert.NilError(t, err)
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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(setMemory, inspect.HostConfig.Memory))
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assert.Check(t, is.Equal(setMemorySwap, inspect.HostConfig.MemorySwap))
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res, err := container.Exec(ctx, client, cID,
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[]string{"cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
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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(strconv.FormatInt(setMemory, 10), strings.TrimSpace(res.Stdout())))
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res, err = container.Exec(ctx, client, cID,
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[]string{"cat", "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"})
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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(strconv.FormatInt(setMemorySwap, 10), strings.TrimSpace(res.Stdout())))
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}
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func TestUpdateCPUQuota(t *testing.T) {
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t.Parallel()
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defer setupTest(t)()
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client := request.NewAPIClient(t)
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ctx := context.Background()
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cID := container.Run(t, ctx, client)
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for _, test := range []struct {
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desc string
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update int64
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}{
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{desc: "some random value", update: 15000},
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{desc: "a higher value", update: 20000},
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{desc: "a lower value", update: 10000},
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{desc: "unset value", update: -1},
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} {
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if _, err := client.ContainerUpdate(ctx, cID, containertypes.UpdateConfig{
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Resources: containertypes.Resources{
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CPUQuota: test.update,
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},
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}); err != nil {
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t.Fatal(err)
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}
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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(test.update, inspect.HostConfig.CPUQuota))
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res, err := container.Exec(ctx, client, cID,
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[]string{"/bin/cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"})
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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(strconv.FormatInt(test.update, 10), strings.TrimSpace(res.Stdout())))
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}
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}
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