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moby--moby/integration/container/update_linux_test.go
Sebastiaan van Stijn 0de62d9bbc
Integration: use testenv.APIClient()
A client is already created in testenv.New(), so we can just
as well use that one, instead of creating a new client.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2019-01-03 11:53:41 +01:00

104 lines
3 KiB
Go

package container // import "github.com/docker/docker/integration/container"
import (
"context"
"strconv"
"strings"
"testing"
"time"
containertypes "github.com/docker/docker/api/types/container"
"github.com/docker/docker/integration/internal/container"
"gotest.tools/assert"
is "gotest.tools/assert/cmp"
"gotest.tools/poll"
"gotest.tools/skip"
)
func TestUpdateMemory(t *testing.T) {
skip.If(t, testEnv.DaemonInfo.OSType == "windows")
skip.If(t, !testEnv.DaemonInfo.MemoryLimit)
skip.If(t, !testEnv.DaemonInfo.SwapLimit)
defer setupTest(t)()
client := testEnv.APIClient()
ctx := context.Background()
cID := container.Run(t, ctx, client, func(c *container.TestContainerConfig) {
c.HostConfig.Resources = containertypes.Resources{
Memory: 200 * 1024 * 1024,
}
})
poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
const (
setMemory int64 = 314572800
setMemorySwap int64 = 524288000
)
_, err := client.ContainerUpdate(ctx, cID, containertypes.UpdateConfig{
Resources: containertypes.Resources{
Memory: setMemory,
MemorySwap: setMemorySwap,
},
})
assert.NilError(t, err)
inspect, err := client.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(setMemory, inspect.HostConfig.Memory))
assert.Check(t, is.Equal(setMemorySwap, inspect.HostConfig.MemorySwap))
res, err := container.Exec(ctx, client, cID,
[]string{"cat", "/sys/fs/cgroup/memory/memory.limit_in_bytes"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(strconv.FormatInt(setMemory, 10), strings.TrimSpace(res.Stdout())))
res, err = container.Exec(ctx, client, cID,
[]string{"cat", "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(strconv.FormatInt(setMemorySwap, 10), strings.TrimSpace(res.Stdout())))
}
func TestUpdateCPUQuota(t *testing.T) {
defer setupTest(t)()
client := testEnv.APIClient()
ctx := context.Background()
cID := container.Run(t, ctx, client)
for _, test := range []struct {
desc string
update int64
}{
{desc: "some random value", update: 15000},
{desc: "a higher value", update: 20000},
{desc: "a lower value", update: 10000},
{desc: "unset value", update: -1},
} {
if _, err := client.ContainerUpdate(ctx, cID, containertypes.UpdateConfig{
Resources: containertypes.Resources{
CPUQuota: test.update,
},
}); err != nil {
t.Fatal(err)
}
inspect, err := client.ContainerInspect(ctx, cID)
assert.NilError(t, err)
assert.Check(t, is.Equal(test.update, inspect.HostConfig.CPUQuota))
res, err := container.Exec(ctx, client, cID,
[]string{"/bin/cat", "/sys/fs/cgroup/cpu/cpu.cfs_quota_us"})
assert.NilError(t, err)
assert.Assert(t, is.Len(res.Stderr(), 0))
assert.Equal(t, 0, res.ExitCode)
assert.Check(t, is.Equal(strconv.FormatInt(test.update, 10), strings.TrimSpace(res.Stdout())))
}
}