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adaptation_suite_test.go
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adaptation_suite_test.go
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/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package adaptation_test
import (
"context"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"sigs.k8s.io/yaml"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
nri "github.com/containerd/nri/pkg/adaptation"
"github.com/containerd/nri/pkg/api"
)
var _ = Describe("Configuration", func() {
var (
s = &Suite{}
)
AfterEach(func() {
s.Cleanup()
})
When("no (extra) options given", func() {
BeforeEach(func() {
s.Prepare(&mockRuntime{}, &mockPlugin{idx: "00", name: "test"})
})
It("should allow startup", func() {
Expect(s.runtime.Start(s.dir)).To(Succeed())
})
It("should allow external plugins to connect", func() {
var (
runtime = s.runtime
plugin = s.plugins[0]
timeout = time.After(startupTimeout)
)
Expect(runtime.Start(s.dir)).To(Succeed())
Expect(plugin.Start(s.dir)).To(Succeed())
Expect(plugin.Wait(PluginSynchronized, timeout)).To(Succeed())
})
})
When("external connections are explicitly disabled", func() {
var ()
BeforeEach(func() {
s.Prepare(
&mockRuntime{
options: []nri.Option{
nri.WithDisabledExternalConnections(),
},
},
&mockPlugin{idx: "00", name: "test"},
)
})
It("should prevent plugins from connecting", func() {
var (
runtime = s.runtime
plugin = s.plugins[0]
)
Expect(runtime.Start(s.dir)).To(Succeed())
Expect(plugin.Start(s.dir)).ToNot(Succeed())
})
})
})
var _ = Describe("Adaptation", func() {
When("SyncFn is nil", func() {
var (
syncFn func(ctx context.Context, cb nri.SyncCB) error
updateFn = func(_ context.Context, _ []*nri.ContainerUpdate) ([]*nri.ContainerUpdate, error) {
return nil, nil
}
)
It("should prevent Adaptation creation with an error", func() {
var (
dir = GinkgoT().TempDir()
etc = filepath.Join(dir, "etc", "nri")
)
Expect(os.MkdirAll(etc, 0o755)).To(Succeed())
r, err := nri.New("mockRuntime", "0.0.1", syncFn, updateFn,
nri.WithPluginPath(filepath.Join(dir, "opt", "nri", "plugins")),
nri.WithPluginConfigPath(filepath.Join(dir, "etc", "nri", "conf.d")),
nri.WithSocketPath(filepath.Join(dir, "nri.sock")),
)
Expect(r).To(BeNil())
Expect(err).ToNot(BeNil())
})
})
When("UpdateFn is nil", func() {
var (
updateFn func(ctx context.Context, updates []*nri.ContainerUpdate) ([]*nri.ContainerUpdate, error)
syncFn = func(_ context.Context, _ nri.SyncCB) error {
return nil
}
)
It("should prevent Adaptation creation with an error", func() {
var (
dir = GinkgoT().TempDir()
etc = filepath.Join(dir, "etc", "nri")
)
Expect(os.MkdirAll(etc, 0o755)).To(Succeed())
r, err := nri.New("mockRuntime", "0.0.1", syncFn, updateFn,
nri.WithPluginPath(filepath.Join(dir, "opt", "nri", "plugins")),
nri.WithPluginConfigPath(filepath.Join(dir, "etc", "nri", "conf.d")),
nri.WithSocketPath(filepath.Join(dir, "nri.sock")),
)
Expect(r).To(BeNil())
Expect(err).ToNot(BeNil())
})
})
})
var _ = Describe("Plugin connection", func() {
var (
s = &Suite{}
)
BeforeEach(func() {
s.Prepare(
&mockRuntime{
pods: map[string]*api.PodSandbox{
"pod0": {
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
},
"pod1": {
Id: "pod1",
Name: "pod1",
Uid: "uid1",
Namespace: "default",
},
},
ctrs: map[string]*api.Container{
"ctr0": {
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED,
},
"ctr1": {
Id: "ctr1",
PodSandboxId: "pod1",
Name: "ctr1",
State: api.ContainerState_CONTAINER_CREATED,
},
},
},
&mockPlugin{
name: "test",
idx: "00",
},
)
})
AfterEach(func() {
s.Cleanup()
})
It("should configure the plugin", func() {
var (
plugin = s.plugins[0]
)
s.Startup()
Expect(plugin.Events()).Should(
ContainElement(
PluginConfigured,
),
)
})
It("should synchronize the plugin after configuration", func() {
var (
runtime = s.runtime
plugin = s.plugins[0]
)
s.Startup()
Expect(plugin.Events()).Should(
ConsistOf(
PluginConfigured,
PluginSynchronized,
),
)
runtime.pods = strip(runtime.pods, map[string]*api.PodSandbox{}).(map[string]*api.PodSandbox)
runtime.ctrs = strip(runtime.ctrs, map[string]*api.Container{}).(map[string]*api.Container)
plugin.pods = strip(plugin.pods, map[string]*api.PodSandbox{}).(map[string]*api.PodSandbox)
plugin.ctrs = strip(plugin.ctrs, map[string]*api.Container{}).(map[string]*api.Container)
Expect(plugin.pods["pod0"]).To(Equal(runtime.pods["pod0"]))
Expect(plugin.pods["pod1"]).To(Equal(runtime.pods["pod1"]))
Expect(plugin.ctrs["ctr0"]).To(Equal(runtime.ctrs["ctr0"]))
Expect(plugin.ctrs["ctr1"]).To(Equal(runtime.ctrs["ctr1"]))
})
})
var _ = Describe("Pod and container requests and events", func() {
var (
s = &Suite{}
)
AfterEach(func() {
s.Cleanup()
})
When("there are no plugins", func() {
BeforeEach(func() {
s.Prepare(&mockRuntime{})
})
It("should always succeed", func() {
var (
ctx = context.Background()
pod0 = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
pod1 = &api.PodSandbox{
Id: "pod1",
Name: "pod1",
Uid: "uid1",
Namespace: "default",
}
ctr0 = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
ctr1 = &api.Container{
Id: "ctr1",
PodSandboxId: "pod1",
Name: "ctr1",
State: api.ContainerState_CONTAINER_CREATED, // XXXX FIXME-kludge
}
)
s.Startup()
Expect(s.runtime.startStopPodAndContainer(ctx, pod0, ctr0)).To(Succeed())
Expect(s.runtime.startStopPodAndContainer(ctx, pod1, ctr1)).To(Succeed())
})
})
When("when there are plugins", func() {
BeforeEach(func() {
s.Prepare(&mockRuntime{}, &mockPlugin{idx: "00", name: "test"})
})
DescribeTable("should honor plugins' event subscriptions",
func(subscriptions ...string) {
var (
runtime = s.runtime
plugin = s.plugins[0]
ctx = context.Background()
pod = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
ctr = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
)
plugin.mask = api.MustParseEventMask(subscriptions...)
s.Startup()
Expect(runtime.startStopPodAndContainer(ctx, pod, ctr)).To(Succeed())
for _, events := range subscriptions {
for _, event := range strings.Split(events, ",") {
match := &Event{Type: EventType(event)}
Expect(plugin.EventQ().Has(match)).To(BeTrue())
}
}
},
Entry("with RunPodSandbox", "RunPodSandbox"),
Entry("with StopPodSandbox", "StopPodSandbox"),
Entry("with RemovePodSandbox", "RemovePodSandbox"),
Entry("with CreateContainer", "CreateContainer"),
Entry("with PostCreateContainer", "PostCreateContainer"),
Entry("with StartContainer", "StartContainer"),
Entry("with PostStartContainer", "PostStartContainer"),
Entry("with UpdateContainer", "UpdateContainer"),
Entry("with PostUpdateContainer", "PostUpdateContainer"),
Entry("with StopContainer", "StopContainer"),
Entry("with RemoveContainer", "RemoveContainer"),
Entry("with all pod events", "RunPodSandbox,StopPodSandbox,RemovePodSandbox"),
Entry("with all container requests", "CreateContainer,UpdateContainer,StopContainer"),
Entry("with all container requests and events",
"CreateContainer,PostCreateContainer",
"StartContainer,PostStartContainer",
"UpdateContainer,PostUpdateContainer",
"StopContainer",
"RemoveContainer",
),
Entry("with all pod and container requests and events",
"RunPodSandbox,StopPodSandbox,RemovePodSandbox",
"CreateContainer,PostCreateContainer",
"StartContainer,PostStartContainer",
"UpdateContainer,PostUpdateContainer",
"StopContainer",
"RemoveContainer",
),
)
})
When("when there are multiple plugins", func() {
BeforeEach(func() {
s.Prepare(
&mockRuntime{},
&mockPlugin{idx: "20", name: "test"},
&mockPlugin{idx: "99", name: "foo"},
&mockPlugin{idx: "00", name: "bar"},
)
})
DescribeTable("should honor plugins' event subscriptions",
func(subscriptions ...string) {
var (
runtime = s.runtime
plugins = s.plugins
ctx = context.Background()
pod = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
ctr = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
order []*mockPlugin
recordOrder = func(p *mockPlugin, _ *api.PodSandbox, _ *api.Container) error {
order = append(order, p)
return nil
}
)
for _, p := range plugins {
p.mask = api.MustParseEventMask(subscriptions...)
p.startContainer = recordOrder
}
s.Startup()
Expect(runtime.startStopPodAndContainer(ctx, pod, ctr)).To(Succeed())
Expect(order).Should(
ConsistOf(
plugins[2],
plugins[0],
plugins[1],
),
)
},
Entry("with StartContainer", "StartContainer"),
Entry("with all container CRI requests",
"CreateContainer,StartContainer,UpdateContainer,StopContainer,RemoveContainer"),
Entry("with all container requests and events",
"CreateContainer,PostCreateContainer",
"StartContainer,PostStartContainer",
"UpdateContainer,PostUpdateContainer",
"StopContainer",
"RemoveContainer",
),
Entry("with all pod and container requests and events",
"RunPodSandbox,StopPodSandbox,RemovePodSandbox",
"CreateContainer,PostCreateContainer",
"StartContainer,PostStartContainer",
"UpdateContainer,PostUpdateContainer",
"StopContainer",
"RemoveContainer",
),
)
})
})
var _ = Describe("Plugin container creation adjustments", func() {
var (
s = &Suite{}
)
adjust := func(subject string, p *mockPlugin, _ *api.PodSandbox, _ *api.Container, overwrite bool) (*api.ContainerAdjustment, []*api.ContainerUpdate, error) {
plugin := p.idx + "-" + p.name
a := &api.ContainerAdjustment{}
switch subject {
case "annotation":
if overwrite {
a.RemoveAnnotation("key")
}
a.AddAnnotation("key", plugin)
case "mount":
mnt := &api.Mount{
Source: "/dev/" + plugin,
Destination: "/mnt/test",
}
if overwrite {
a.RemoveMount(mnt.Destination)
}
a.AddMount(mnt)
case "remove mount":
a.RemoveMount("/remove/test/destination")
case "environment":
if overwrite {
a.RemoveEnv("key")
}
a.AddEnv("key", plugin)
case "hooks":
a.AddHooks(
&api.Hooks{
Prestart: []*api.Hook{
{
Path: "/bin/" + plugin,
},
},
},
)
case "device":
idx, _ := strconv.ParseInt(p.idx, 10, 64)
dev := &api.LinuxDevice{
Path: "/dev/test",
Type: "c",
Major: 313,
Minor: 100 + idx,
}
if overwrite {
a.RemoveDevice(dev.Path)
}
a.AddDevice(dev)
case "rlimit":
a.AddRlimit("nofile", 456, 123)
case "CDI-device":
a.AddCDIDevice(
&api.CDIDevice{
Name: "vendor0.com/dev=dev0",
},
)
case "resources/cpu":
a.SetLinuxCPUShares(123)
a.SetLinuxCPUQuota(456)
a.SetLinuxCPUPeriod(789)
a.SetLinuxCPURealtimeRuntime(321)
a.SetLinuxCPURealtimePeriod(654)
a.SetLinuxCPUSetCPUs("0-1")
a.SetLinuxCPUSetMems("2-3")
case "resources/mem":
a.SetLinuxMemoryLimit(1234000)
a.SetLinuxMemoryReservation(4000)
a.SetLinuxMemorySwap(34000)
a.SetLinuxMemoryKernel(30000)
a.SetLinuxMemoryKernelTCP(2000)
a.SetLinuxMemorySwappiness(987)
a.SetLinuxMemoryDisableOomKiller()
a.SetLinuxMemoryUseHierarchy()
case "resources/classes":
a.SetLinuxRDTClass(plugin)
a.SetLinuxBlockIOClass(plugin)
case "resources/hugepagelimits":
a.AddLinuxHugepageLimit("1M", 4096)
a.AddLinuxHugepageLimit("4M", 1024)
case "resources/unified":
a.AddLinuxUnified("resource.1", "value1")
a.AddLinuxUnified("resource.2", "value2")
case "cgroupspath":
a.SetLinuxCgroupsPath("/" + plugin)
}
return a, nil, nil
}
AfterEach(func() {
s.Cleanup()
})
When("there is a single plugin", func() {
BeforeEach(func() {
s.Prepare(&mockRuntime{}, &mockPlugin{idx: "00", name: "test"})
})
DescribeTable("should be successfully collected without conflicts",
func(subject string, expected *api.ContainerAdjustment) {
var (
runtime = s.runtime
plugin = s.plugins[0]
ctx = context.Background()
pod = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
ctr = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
Mounts: []*api.Mount{
{
Type: "bind",
Source: "/remove/test",
Destination: "/remove/test/destination",
},
},
}
)
create := func(p *mockPlugin, pod *api.PodSandbox, ctr *api.Container) (*api.ContainerAdjustment, []*api.ContainerUpdate, error) {
return adjust(subject, p, pod, ctr, false)
}
plugin.createContainer = create
s.Startup()
podReq := &api.RunPodSandboxRequest{Pod: pod}
Expect(runtime.RunPodSandbox(ctx, podReq)).To(Succeed())
ctrReq := &api.CreateContainerRequest{
Pod: pod,
Container: ctr,
}
reply, err := runtime.CreateContainer(ctx, ctrReq)
Expect(err).To(BeNil())
Expect(stripAdjustment(reply.Adjust)).Should(Equal(stripAdjustment(expected)))
},
Entry("adjust annotations", "annotation",
&api.ContainerAdjustment{
Annotations: map[string]string{
"key": "00-test",
},
},
),
Entry("adjust mounts", "mount",
&api.ContainerAdjustment{
Mounts: []*api.Mount{
{
Source: "/dev/00-test",
Destination: "/mnt/test",
},
},
},
),
Entry("remove a mount", "remove mount",
&api.ContainerAdjustment{
Mounts: []*api.Mount{
{
Destination: api.MarkForRemoval("/remove/test/destination"),
},
},
},
),
Entry("adjust environment", "environment",
&api.ContainerAdjustment{
Env: []*api.KeyValue{
{
Key: "key",
Value: "00-test",
},
},
},
),
Entry("adjust hooks", "hooks",
&api.ContainerAdjustment{
Hooks: &api.Hooks{
Prestart: []*api.Hook{
{
Path: "/bin/00-test",
},
},
},
},
),
Entry("adjust devices", "device",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Devices: []*api.LinuxDevice{
{
Path: "/dev/test",
Type: "c",
Major: 313,
Minor: 100,
},
},
},
},
),
Entry("adjust rlimits", "rlimit",
&api.ContainerAdjustment{
Rlimits: []*api.POSIXRlimit{{Type: "nofile", Soft: 123, Hard: 456}},
},
),
Entry("adjust CDI Devices", "CDI-device",
&api.ContainerAdjustment{
CDIDevices: []*api.CDIDevice{
{
Name: "vendor0.com/dev=dev0",
},
},
},
),
Entry("adjust CPU resources", "resources/cpu",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Resources: &api.LinuxResources{
Cpu: &api.LinuxCPU{
Shares: api.UInt64(123),
Quota: api.Int64(456),
Period: api.UInt64(789),
RealtimeRuntime: api.Int64(321),
RealtimePeriod: api.UInt64(654),
Cpus: "0-1",
Mems: "2-3",
},
},
},
},
),
Entry("adjust memory resources", "resources/mem",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Resources: &api.LinuxResources{
Memory: &api.LinuxMemory{
Limit: api.Int64(1234000),
Reservation: api.Int64(4000),
Swap: api.Int64(34000),
Kernel: api.Int64(30000),
KernelTcp: api.Int64(2000),
Swappiness: api.UInt64(987),
DisableOomKiller: api.Bool(true),
UseHierarchy: api.Bool(true),
},
},
},
},
),
Entry("adjust class-based resources", "resources/classes",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Resources: &api.LinuxResources{
RdtClass: api.String("00-test"),
BlockioClass: api.String("00-test"),
},
},
},
),
Entry("adjust hugepage limits", "resources/hugepagelimits",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Resources: &api.LinuxResources{
HugepageLimits: []*api.HugepageLimit{
{
PageSize: "1M",
Limit: 4096,
},
{
PageSize: "4M",
Limit: 1024,
},
},
},
},
},
),
Entry("adjust cgroupv2 unified resources", "resources/unified",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Resources: &api.LinuxResources{
Unified: map[string]string{
"resource.1": "value1",
"resource.2": "value2",
},
},
},
},
),
Entry("adjust cgroups path", "cgroupspath",
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
CgroupsPath: "/00-test",
},
},
),
)
})
When("there are multiple plugins", func() {
BeforeEach(func() {
s.Prepare(
&mockRuntime{},
&mockPlugin{idx: "10", name: "foo"},
&mockPlugin{idx: "00", name: "bar"},
)
})
DescribeTable("should be successfully combined if there are no conflicts",
func(subject string, remove, shouldFail bool, expected *api.ContainerAdjustment) {
var (
runtime = s.runtime
plugins = s.plugins
ctx = context.Background()
pod = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
ctr = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
)
create := func(p *mockPlugin, pod *api.PodSandbox, ctr *api.Container) (*api.ContainerAdjustment, []*api.ContainerUpdate, error) {
return adjust(subject, p, pod, ctr, p == plugins[0] && remove)
}
plugins[0].createContainer = create
plugins[1].createContainer = create
s.Startup()
podReq := &api.RunPodSandboxRequest{Pod: pod}
Expect(runtime.RunPodSandbox(ctx, podReq)).To(Succeed())
ctrReq := &api.CreateContainerRequest{
Pod: pod,
Container: ctr,
}
reply, err := runtime.CreateContainer(ctx, ctrReq)
if shouldFail {
Expect(err).ToNot(BeNil())
} else {
Expect(err).To(BeNil())
reply.Adjust = strip(reply.Adjust, &api.ContainerAdjustment{}).(*api.ContainerAdjustment)
Expect(stripAdjustment(reply.Adjust)).Should(Equal(stripAdjustment(expected)))
}
},
Entry("adjust annotations (conflicts)", "annotation", false, true, nil),
Entry("adjust annotations", "annotation", true, false,
&api.ContainerAdjustment{
Annotations: map[string]string{
"-key": "",
"key": "10-foo",
},
},
),
Entry("adjust mounts (conflicts)", "mount", false, true, nil),
Entry("adjust mounts", "mount", true, false,
&api.ContainerAdjustment{
Mounts: []*api.Mount{
{
Source: "/dev/10-foo",
Destination: "/mnt/test",
},
},
},
),
Entry("adjust environment (conflicts)", "environment", false, true, nil),
Entry("adjust environment", "environment", true, false,
&api.ContainerAdjustment{
Env: []*api.KeyValue{
{
Key: "key",
Value: "10-foo",
},
},
},
),
Entry("adjust hooks", "hooks", false, false,
&api.ContainerAdjustment{
Hooks: &api.Hooks{
Prestart: []*api.Hook{
{
Path: "/bin/00-bar",
},
{
Path: "/bin/10-foo",
},
},
},
},
),
Entry("adjust devices", "device", false, true, nil),
Entry("adjust devices", "device", true, false,
&api.ContainerAdjustment{
Linux: &api.LinuxContainerAdjustment{
Devices: []*api.LinuxDevice{
{
Path: "/dev/test",
Type: "c",
Major: 313,
Minor: 110,
},
},
},
},
),
Entry("adjust resources", "resources/classes", false, true, nil),
)
})
})
// --------------------------------------------
var _ = Describe("Plugin container updates during creation", func() {
var (
s = &Suite{}
)
update := func(subject, which string, p *mockPlugin, _ *api.PodSandbox, ctr *api.Container) (*api.ContainerAdjustment, []*api.ContainerUpdate, error) {
plugin := p.idx + "-" + p.name
if which != plugin && which != "*" && which != "both" {
return nil, nil, nil
}
if ctr.Name != "ctr1" {
return nil, nil, nil
}
u := &api.ContainerUpdate{}
u.SetContainerId("ctr0")
switch subject {
case "resources/cpu":
u.SetLinuxCPUShares(123)
u.SetLinuxCPUQuota(456)
u.SetLinuxCPUPeriod(789)
u.SetLinuxCPURealtimeRuntime(321)
u.SetLinuxCPURealtimePeriod(654)
u.SetLinuxCPUSetCPUs("0-1")
u.SetLinuxCPUSetMems("2-3")
case "resources/memory":
u.SetLinuxMemoryLimit(1234000)
u.SetLinuxMemoryReservation(4000)
u.SetLinuxMemorySwap(34000)
u.SetLinuxMemoryKernel(30000)
u.SetLinuxMemoryKernelTCP(2000)
u.SetLinuxMemorySwappiness(987)
u.SetLinuxMemoryDisableOomKiller()
u.SetLinuxMemoryUseHierarchy()
case "resources/classes":
u.SetLinuxRDTClass(plugin)
u.SetLinuxBlockIOClass(plugin)
case "resources/hugepagelimits":
u.AddLinuxHugepageLimit("1M", 4096)
u.AddLinuxHugepageLimit("4M", 1024)
case "resources/unified":
u.AddLinuxUnified("resource.1", "value1")
u.AddLinuxUnified("resource.2", "value2")
}
return nil, []*api.ContainerUpdate{u}, nil
}
AfterEach(func() {
s.Cleanup()
})
When("there is a single plugin", func() {
BeforeEach(func() {
s.Prepare(&mockRuntime{}, &mockPlugin{idx: "00", name: "test"})
})
DescribeTable("should be successfully collected without conflicts",
func(subject string, expected *api.ContainerUpdate) {
var (
runtime = s.runtime
plugin = s.plugins[0]
ctx = context.Background()
pod0 = &api.PodSandbox{
Id: "pod0",
Name: "pod0",
Uid: "uid0",
Namespace: "default",
}
ctr0 = &api.Container{
Id: "ctr0",
PodSandboxId: "pod0",
Name: "ctr0",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
pod1 = &api.PodSandbox{
Id: "pod1",
Name: "pod1",
Uid: "uid1",
Namespace: "default",
}
ctr1 = &api.Container{
Id: "ctr1",
PodSandboxId: "pod1",
Name: "ctr1",
State: api.ContainerState_CONTAINER_CREATED, // XXX FIXME-kludge
}
reply *api.CreateContainerResponse
)
create := func(p *mockPlugin, pod *api.PodSandbox, ctr *api.Container) (*api.ContainerAdjustment, []*api.ContainerUpdate, error) {
plugin := p.idx + "-" + p.name
return update(subject, plugin, p, pod, ctr)
}
plugin.createContainer = create
s.Startup()
podReq := &api.RunPodSandboxRequest{Pod: pod0}
Expect(runtime.RunPodSandbox(ctx, podReq)).To(Succeed())
ctrReq := &api.CreateContainerRequest{
Pod: pod0,
Container: ctr0,
}
_, err := runtime.CreateContainer(ctx, ctrReq)
Expect(err).To(BeNil())
podReq = &api.RunPodSandboxRequest{Pod: pod1}
Expect(runtime.RunPodSandbox(ctx, podReq)).To(Succeed())
ctrReq = &api.CreateContainerRequest{
Pod: pod1,
Container: ctr1,
}
reply, err = runtime.CreateContainer(ctx, ctrReq)