106 lines
3.3 KiB
Go
106 lines
3.3 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package server
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import (
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"context"
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"testing"
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criconfig "github.com/containerd/containerd/v2/pkg/cri/config"
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"github.com/containerd/containerd/v2/pkg/systemd"
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"github.com/containerd/containerd/v2/plugins"
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"github.com/stretchr/testify/assert"
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runtime "k8s.io/cri-api/pkg/apis/runtime/v1"
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)
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func newFakeRuntimeConfig(runcV2, systemdCgroup bool) criconfig.Runtime {
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r := criconfig.Runtime{Type: "default", Options: map[string]interface{}{}}
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if runcV2 {
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r.Type = plugins.RuntimeRuncV2
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if systemdCgroup {
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r.Options["SystemdCgroup"] = true
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}
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}
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return r
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}
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func TestRuntimeConfig(t *testing.T) {
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autoDetected := runtime.CgroupDriver_CGROUPFS
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if systemd.IsRunningSystemd() {
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autoDetected = runtime.CgroupDriver_SYSTEMD
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}
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for _, test := range []struct {
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desc string
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defaultRuntime string
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runtimes map[string]criconfig.Runtime
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expectedCgroupDriver runtime.CgroupDriver
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}{
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{
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desc: "no runtimes",
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expectedCgroupDriver: autoDetected,
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},
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{
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desc: "non-runc runtime",
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defaultRuntime: "non-runc",
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runtimes: map[string]criconfig.Runtime{"non-runc": newFakeRuntimeConfig(false, false)},
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expectedCgroupDriver: autoDetected,
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},
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{
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desc: "no default, pick first in alphabetical order",
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runtimes: map[string]criconfig.Runtime{
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"non-runc": newFakeRuntimeConfig(false, false),
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"runc-2": newFakeRuntimeConfig(true, true),
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"runc": newFakeRuntimeConfig(true, false),
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"non-runc-2": newFakeRuntimeConfig(false, false),
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},
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expectedCgroupDriver: runtime.CgroupDriver_CGROUPFS,
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},
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{
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desc: "pick default, cgroupfs",
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defaultRuntime: "runc-2",
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runtimes: map[string]criconfig.Runtime{
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"non-runc": newFakeRuntimeConfig(false, false),
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"runc": newFakeRuntimeConfig(true, true),
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"runc-2": newFakeRuntimeConfig(true, false),
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},
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expectedCgroupDriver: runtime.CgroupDriver_CGROUPFS,
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},
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{
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desc: "pick default, systemd",
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defaultRuntime: "runc-2",
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runtimes: map[string]criconfig.Runtime{
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"non-runc": newFakeRuntimeConfig(false, false),
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"runc": newFakeRuntimeConfig(true, false),
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"runc-2": newFakeRuntimeConfig(true, true),
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},
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expectedCgroupDriver: runtime.CgroupDriver_SYSTEMD,
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},
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} {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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c := newTestCRIService()
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c.config.PluginConfig.ContainerdConfig.DefaultRuntimeName = test.defaultRuntime
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c.config.PluginConfig.ContainerdConfig.Runtimes = test.runtimes
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resp, err := c.RuntimeConfig(context.TODO(), &runtime.RuntimeConfigRequest{})
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assert.NoError(t, err)
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assert.Equal(t, test.expectedCgroupDriver, resp.Linux.CgroupDriver, "got unexpected cgroup driver")
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})
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}
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}
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