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Add sidecar memory resources setting #1402

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merged 6 commits into from
Mar 16, 2020
Merged

Add sidecar memory resources setting #1402

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3a1396a
Add sidecar memory resources setting
suecideTech Mar 9, 2020
f554f7a
Merge branch 'master' into config-sidecar-memory-resources
suecideTech Mar 9, 2020
6981b14
Align indent
suecideTech Mar 10, 2020
4888c02
revert nodejs package-lock.json
suecideTech Mar 12, 2020
606f821
Move added config to "New configuration function"
suecideTech Mar 14, 2020
a81195b
Merge branch 'master' into config-sidecar-memory-resources
markmandel Mar 16, 2020
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33 changes: 28 additions & 5 deletions cmd/controller/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,8 @@ const (
sidecarImageFlag = "sidecar-image"
sidecarCPURequestFlag = "sidecar-cpu-request"
sidecarCPULimitFlag = "sidecar-cpu-limit"
sidecarMemoryRequestFlag = "sidecar-memory-request"
sidecarMemoryLimitFlag = "sidecar-memory-limit"
sdkServerAccountFlag = "sdk-service-account"
pullSidecarFlag = "always-pull-sidecar"
minPortFlag = "min-port"
Expand Down Expand Up @@ -196,7 +198,8 @@ func main() {

gsController := gameservers.NewController(wh, health,
ctlConf.MinPort, ctlConf.MaxPort, ctlConf.SidecarImage, ctlConf.AlwaysPullSidecar,
ctlConf.SidecarCPURequest, ctlConf.SidecarCPULimit, ctlConf.SdkServiceAccount,
ctlConf.SidecarCPURequest, ctlConf.SidecarCPULimit,
ctlConf.SidecarMemoryRequest, ctlConf.SidecarMemoryLimit, ctlConf.SdkServiceAccount,
kubeClient, kubeInformerFactory, extClient, agonesClient, agonesInformerFactory)
gsSetController := gameserversets.NewController(wh, health, gsCounter,
kubeClient, extClient, agonesClient, agonesInformerFactory)
Expand Down Expand Up @@ -235,6 +238,8 @@ func parseEnvFlags() config {
viper.SetDefault(sidecarImageFlag, "gcr.io/agones-images/agones-sdk:"+pkg.Version)
viper.SetDefault(sidecarCPURequestFlag, "0")
viper.SetDefault(sidecarCPULimitFlag, "0")
viper.SetDefault(sidecarMemoryRequestFlag, "0")
viper.SetDefault(sidecarMemoryLimitFlag, "0")
viper.SetDefault(pullSidecarFlag, false)
viper.SetDefault(sdkServerAccountFlag, "agones-sdk")
viper.SetDefault(certFileFlag, filepath.Join(base, "certs/server.crt"))
Expand All @@ -254,6 +259,8 @@ func parseEnvFlags() config {
pflag.String(sidecarImageFlag, viper.GetString(sidecarImageFlag), "Flag to overwrite the GameServer sidecar image that is used. Can also use SIDECAR env variable")
pflag.String(sidecarCPULimitFlag, viper.GetString(sidecarCPULimitFlag), "Flag to overwrite the GameServer sidecar container's cpu limit. Can also use SIDECAR_CPU_LIMIT env variable")
pflag.String(sidecarCPURequestFlag, viper.GetString(sidecarCPURequestFlag), "Flag to overwrite the GameServer sidecar container's cpu request. Can also use SIDECAR_CPU_REQUEST env variable")
pflag.String(sidecarMemoryLimitFlag, viper.GetString(sidecarMemoryLimitFlag), "Flag to overwrite the GameServer sidecar container's memory limit. Can also use SIDECAR_MEMORY_LIMIT env variable")
pflag.String(sidecarMemoryRequestFlag, viper.GetString(sidecarMemoryRequestFlag), "Flag to overwrite the GameServer sidecar container's memory request. Can also use SIDECAR_MEMORY_REQUEST env variable")
pflag.Bool(pullSidecarFlag, viper.GetBool(pullSidecarFlag), "For development purposes, set the sidecar image to have a ImagePullPolicy of Always. Can also use ALWAYS_PULL_SIDECAR env variable")
pflag.String(sdkServerAccountFlag, viper.GetString(sdkServerAccountFlag), "Overwrite what service account default for GameServer Pods. Defaults to Can also use SDK_SERVICE_ACCOUNT")
pflag.Int32(minPortFlag, 0, "Required. The minimum port that that a GameServer can be allocated to. Can also use MIN_PORT env variable.")
Expand All @@ -278,6 +285,8 @@ func parseEnvFlags() config {
runtime.Must(viper.BindEnv(sidecarImageFlag))
runtime.Must(viper.BindEnv(sidecarCPULimitFlag))
runtime.Must(viper.BindEnv(sidecarCPURequestFlag))
runtime.Must(viper.BindEnv(sidecarMemoryLimitFlag))
runtime.Must(viper.BindEnv(sidecarMemoryRequestFlag))
runtime.Must(viper.BindEnv(pullSidecarFlag))
runtime.Must(viper.BindEnv(sdkServerAccountFlag))
runtime.Must(viper.BindEnv(minPortFlag))
Expand All @@ -300,22 +309,34 @@ func parseEnvFlags() config {

runtime.Must(runtime.ParseFeaturesFromEnv())

request, err := resource.ParseQuantity(viper.GetString(sidecarCPURequestFlag))
requestCPU, err := resource.ParseQuantity(viper.GetString(sidecarCPURequestFlag))
if err != nil {
logger.WithError(err).Fatalf("could not parse %s", sidecarCPURequestFlag)
}

limit, err := resource.ParseQuantity(viper.GetString(sidecarCPULimitFlag))
limitCPU, err := resource.ParseQuantity(viper.GetString(sidecarCPULimitFlag))
if err != nil {
logger.WithError(err).Fatalf("could not parse %s", sidecarCPULimitFlag)
}

requestMemory, err := resource.ParseQuantity(viper.GetString(sidecarMemoryRequestFlag))
if err != nil {
logger.WithError(err).Fatalf("could not parse %s", sidecarMemoryRequestFlag)
}

limitMemory, err := resource.ParseQuantity(viper.GetString(sidecarMemoryLimitFlag))
if err != nil {
logger.WithError(err).Fatalf("could not parse %s", sidecarMemoryLimitFlag)
}

return config{
MinPort: int32(viper.GetInt64(minPortFlag)),
MaxPort: int32(viper.GetInt64(maxPortFlag)),
SidecarImage: viper.GetString(sidecarImageFlag),
SidecarCPURequest: request,
SidecarCPULimit: limit,
SidecarCPURequest: requestCPU,
SidecarCPULimit: limitCPU,
SidecarMemoryRequest: requestMemory,
SidecarMemoryLimit: limitMemory,
SdkServiceAccount: viper.GetString(sdkServerAccountFlag),
AlwaysPullSidecar: viper.GetBool(pullSidecarFlag),
KeyFile: viper.GetString(keyFileFlag),
Expand All @@ -341,6 +362,8 @@ type config struct {
SidecarImage string
SidecarCPURequest resource.Quantity
SidecarCPULimit resource.Quantity
SidecarMemoryRequest resource.Quantity
SidecarMemoryLimit resource.Quantity
SdkServiceAccount string
AlwaysPullSidecar bool
PrometheusMetrics bool
Expand Down
8 changes: 6 additions & 2 deletions install/helm/agones/templates/controller.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -84,6 +84,12 @@ spec:
value: {{ .Values.agones.image.sdk.alwaysPull | quote }}
- name: SIDECAR_CPU_REQUEST
value: {{ .Values.agones.image.sdk.cpuRequest | quote }}
- name: SIDECAR_CPU_LIMIT
value: {{ .Values.agones.image.sdk.cpuLimit | quote }}
- name: SIDECAR_MEMORY_REQUEST
value: {{ .Values.agones.image.sdk.memoryRequest | quote }}
- name: SIDECAR_MEMORY_LIMIT
value: {{ .Values.agones.image.sdk.memoryLimit | quote }}
- name: SDK_SERVICE_ACCOUNT
value: {{ .Values.agones.serviceaccount.sdk | quote }}
- name: PROMETHEUS_EXPORTER
Expand All @@ -94,8 +100,6 @@ spec:
value: {{ .Values.agones.metrics.stackdriverLabels | quote }}
- name: GCP_PROJECT_ID
value: {{ .Values.agones.metrics.stackdriverProjectID | quote }}
- name: SIDECAR_CPU_LIMIT
value: {{ .Values.agones.image.sdk.cpuLimit | quote }}
- name: NUM_WORKERS
value: {{ .Values.agones.controller.numWorkers | quote }}
- name: API_SERVER_QPS
Expand Down
2 changes: 2 additions & 0 deletions install/helm/agones/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -133,6 +133,8 @@ agones:
name: agones-sdk
cpuRequest: 30m
cpuLimit: 0
memoryRequest: 0
memoryLimit: 0
alwaysPull: false
ping:
name: agones-ping
Expand Down
8 changes: 6 additions & 2 deletions install/yaml/install.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -1453,6 +1453,12 @@ spec:
value: "false"
- name: SIDECAR_CPU_REQUEST
value: "30m"
- name: SIDECAR_CPU_LIMIT
value: "0"
- name: SIDECAR_MEMORY_REQUEST
value: "0"
- name: SIDECAR_MEMORY_LIMIT
value: "0"
- name: SDK_SERVICE_ACCOUNT
value: "agones-sdk"
- name: PROMETHEUS_EXPORTER
Expand All @@ -1463,8 +1469,6 @@ spec:
value: ""
- name: GCP_PROJECT_ID
value: ""
- name: SIDECAR_CPU_LIMIT
value: "0"
- name: NUM_WORKERS
value: "100"
- name: API_SERVER_QPS
Expand Down
20 changes: 18 additions & 2 deletions pkg/gameservers/controller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,8 @@ type Controller struct {
alwaysPullSidecarImage bool
sidecarCPURequest resource.Quantity
sidecarCPULimit resource.Quantity
sidecarMemoryRequest resource.Quantity
sidecarMemoryLimit resource.Quantity
sdkServiceAccount string
crdGetter v1beta1.CustomResourceDefinitionInterface
podGetter typedcorev1.PodsGetter
Expand Down Expand Up @@ -97,6 +99,8 @@ func NewController(
alwaysPullSidecarImage bool,
sidecarCPURequest resource.Quantity,
sidecarCPULimit resource.Quantity,
sidecarMemoryRequest resource.Quantity,
sidecarMemoryLimit resource.Quantity,
sdkServiceAccount string,
kubeClient kubernetes.Interface,
kubeInformerFactory informers.SharedInformerFactory,
Expand All @@ -112,6 +116,8 @@ func NewController(
sidecarImage: sidecarImage,
sidecarCPULimit: sidecarCPULimit,
sidecarCPURequest: sidecarCPURequest,
sidecarMemoryLimit: sidecarMemoryLimit,
sidecarMemoryRequest: sidecarMemoryRequest,
alwaysPullSidecarImage: alwaysPullSidecarImage,
sdkServiceAccount: sdkServiceAccount,
crdGetter: extClient.ApiextensionsV1beta1().CustomResourceDefinitions(),
Expand Down Expand Up @@ -627,13 +633,23 @@ func (c *Controller) sidecar(gs *agonesv1.GameServer) corev1.Container {
sidecar.Args = append(sidecar.Args, fmt.Sprintf("--http-port=%d", gs.Spec.SdkServer.HTTPPort))
}

requests := corev1.ResourceList{}
if !c.sidecarCPURequest.IsZero() {
sidecar.Resources.Requests = corev1.ResourceList{corev1.ResourceCPU: c.sidecarCPURequest}
requests[corev1.ResourceCPU] = c.sidecarCPURequest
}
if !c.sidecarMemoryRequest.IsZero() {
requests[corev1.ResourceMemory] = c.sidecarMemoryRequest
}
sidecar.Resources.Requests = requests

limits := corev1.ResourceList{}
if !c.sidecarCPULimit.IsZero() {
limits[corev1.ResourceCPU] = c.sidecarCPULimit
}
if !c.sidecarCPULimit.IsZero() {
sidecar.Resources.Limits = corev1.ResourceList{corev1.ResourceCPU: c.sidecarCPULimit}
limits[corev1.ResourceMemory] = c.sidecarMemoryLimit
}
sidecar.Resources.Limits = limits

if c.alwaysPullSidecarImage {
sidecar.ImagePullPolicy = corev1.PullAlways
Expand Down
5 changes: 4 additions & 1 deletion pkg/gameservers/controller_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -828,6 +828,8 @@ func TestControllerCreateGameServerPod(t *testing.T) {
assert.Equal(t, pod.Spec.Containers[1].Image, c.sidecarImage)
assert.Equal(t, pod.Spec.Containers[1].Resources.Limits.Cpu(), &c.sidecarCPULimit)
assert.Equal(t, pod.Spec.Containers[1].Resources.Requests.Cpu(), &c.sidecarCPURequest)
assert.Equal(t, pod.Spec.Containers[1].Resources.Limits.Memory(), &c.sidecarMemoryLimit)
assert.Equal(t, pod.Spec.Containers[1].Resources.Requests.Memory(), &c.sidecarMemoryRequest)
assert.Len(t, pod.Spec.Containers[1].Env, 3, "3 env vars")
assert.Equal(t, "GAMESERVER_NAME", pod.Spec.Containers[1].Env[0].Name)
assert.Equal(t, fixture.ObjectMeta.Name, pod.Spec.Containers[1].Env[0].Value)
Expand Down Expand Up @@ -1466,7 +1468,8 @@ func newFakeController() (*Controller, agtesting.Mocks) {
wh := webhooks.NewWebHook(http.NewServeMux())
c := NewController(wh, healthcheck.NewHandler(),
10, 20, "sidecar:dev", false,
resource.MustParse("0.05"), resource.MustParse("0.1"), "sdk-service-account",
resource.MustParse("0.05"), resource.MustParse("0.1"),
resource.MustParse("50Mi"), resource.MustParse("100Mi"), "sdk-service-account",
m.KubeClient, m.KubeInformerFactory, m.ExtClient, m.AgonesClient, m.AgonesInformerFactory)
c.recorder = m.FakeRecorder
return c, m
Expand Down
9 changes: 6 additions & 3 deletions site/content/en/docs/Installation/Install Agones/helm.md
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Expand Up @@ -119,8 +119,10 @@ The following tables lists the configurable parameters of the Agones chart and t
| `agones.image.controller.pullPolicy` | Image pull policy for the controller | `IfNotPresent` |
| `agones.image.controller.pullSecret` | Image pull secret for the controller, allocator, sdk and ping image. Should be created both in `agones-system` and `default` namespaces | `` |
| `agones.image.sdk.name` | Image name for the sdk | `agones-sdk` |
| `agones.image.sdk.cpuRequest` | The [cpu request][constraints] for sdk server container | `30m` |
| `agones.image.sdk.cpuLimit` | The [cpu limit][constraints] for the sdk server container | `0` (none) |
| `agones.image.sdk.cpuRequest` | The [cpu request][cpu-constraints] for sdk server container | `30m` |
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Only change I can see - this documentation should be in the "New Configuration Features:" section, since it's then hidden until the next release.

Other than that, this is a great new addition!

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Thank you for checking!
I moved added config to "New configuration function".

| `agones.image.sdk.cpuLimit` | The [cpu limit][cpu-constraints] for the sdk server container | `0` (none) |
| `agones.image.sdk.memoryRequest` | The [memory request][memory-constraints] for sdk server container | `0` (none) |
| `agones.image.sdk.memoryLimit` | The [memory limit][memory-constraints] for the sdk server container | `0` (none) |
| `agones.image.sdk.alwaysPull` | Tells if the sdk image should always be pulled | `false` |
| `agones.image.ping.name` | Image name for the ping service | `agones-ping` |
| `agones.image.ping.pullPolicy` | Image pull policy for the ping service | `IfNotPresent` |
Expand Down Expand Up @@ -179,7 +181,8 @@ The following tables lists the configurable parameters of the Agones chart and t
[toleration]: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
[nodeSelector]: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector
[affinity]: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
[constraints]: https://kubernetes.io/docs/tasks/administer-cluster/manage-resources/cpu-constraint-namespace/
[cpu-constraints]: https://kubernetes.io/docs/tasks/administer-cluster/manage-resources/cpu-constraint-namespace/
[memory-constraints]: https://kubernetes.io/docs/tasks/administer-cluster/manage-resources/memory-constraint-namespace/
[ping]: {{< ref "/docs/Guides/ping-service.md" >}}
[service]: https://kubernetes.io/docs/concepts/services-networking/service/
[allocator]: {{< ref "/docs/advanced/allocator-service.md" >}}
Expand Down