mirror of
https://github.com/containers/podman.git
synced 2025-06-01 09:06:44 +08:00
107 lines
2.9 KiB
Go
107 lines
2.9 KiB
Go
package createconfig
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import (
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"runtime"
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"testing"
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"github.com/containers/libpod/pkg/cgroups"
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"github.com/containers/libpod/pkg/rootless"
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"github.com/containers/libpod/pkg/sysinfo"
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"github.com/containers/storage"
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"github.com/containers/storage/pkg/idtools"
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"github.com/docker/go-units"
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"github.com/stretchr/testify/assert"
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)
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var (
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sysInfo = sysinfo.New(true)
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)
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// Make createconfig to test with
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func makeTestCreateConfig() *CreateConfig {
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cc := new(CreateConfig)
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cc.Resources = CreateResourceConfig{}
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cc.IDMappings = new(storage.IDMappingOptions)
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cc.IDMappings.UIDMap = []idtools.IDMap{}
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cc.IDMappings.GIDMap = []idtools.IDMap{}
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return cc
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}
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func doCommonSkipChecks(t *testing.T) {
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// The default configuration of podman enables seccomp, which is not available on non-Linux systems.
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// Thus, any tests that use the default seccomp setting would fail.
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// Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
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if runtime.GOOS != "linux" {
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t.Skip("seccomp, which is enabled by default, is only supported on Linux")
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}
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isUnified, err := cgroups.IsCgroup2UnifiedMode()
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if err != nil {
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t.Errorf("unexpected error: %v", err)
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}
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if rootless.IsRootless() && !isUnified {
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t.Skip("cgroups v1 cannot be used when rootless")
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}
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}
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// TestPIDsLimit verifies the given pid-limit is correctly defined in the spec
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func TestPIDsLimit(t *testing.T) {
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doCommonSkipChecks(t)
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if !sysInfo.PidsLimit {
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t.Skip("running test not supported by the host system")
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}
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cc := makeTestCreateConfig()
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cc.Resources.PidsLimit = 22
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spec, err := cc.createConfigToOCISpec(nil, nil)
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assert.NoError(t, err)
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assert.Equal(t, spec.Linux.Resources.Pids.Limit, int64(22))
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}
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// TestBLKIOWeightDevice verifies the given blkio weight is correctly set in the
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// spec.
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func TestBLKIOWeightDevice(t *testing.T) {
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doCommonSkipChecks(t)
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if !sysInfo.BlkioWeightDevice {
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t.Skip("running test not supported by the host system")
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}
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cc := makeTestCreateConfig()
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cc.Resources.BlkioWeightDevice = []string{"/dev/zero:100"}
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spec, err := cc.createConfigToOCISpec(nil, nil)
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assert.NoError(t, err)
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// /dev/zero is guaranteed 1,5 by the Linux kernel
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assert.Equal(t, spec.Linux.Resources.BlockIO.WeightDevice[0].Major, int64(1))
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assert.Equal(t, spec.Linux.Resources.BlockIO.WeightDevice[0].Minor, int64(5))
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assert.Equal(t, *(spec.Linux.Resources.BlockIO.WeightDevice[0].Weight), uint16(100))
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}
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// TestMemorySwap verifies that the given swap memory limit is correctly set in
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// the spec.
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func TestMemorySwap(t *testing.T) {
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doCommonSkipChecks(t)
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if !sysInfo.SwapLimit {
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t.Skip("running test not supported by the host system")
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}
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swapLimit, err := units.RAMInBytes("45m")
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assert.NoError(t, err)
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cc := makeTestCreateConfig()
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cc.Resources.MemorySwap = swapLimit
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spec, err := cc.createConfigToOCISpec(nil, nil)
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assert.NoError(t, err)
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assert.Equal(t, *(spec.Linux.Resources.Memory.Swap), swapLimit)
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}
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