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Add Tolerations spec to chart configuration #221

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d7c3afe
Add Tolerations spec to chart configuration
danielkza Jan 26, 2024
2f990d8
Fix leftover FIt tests
danielkza Jan 27, 2024
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2 changes: 2 additions & 0 deletions pkg/apis/helm.cattle.io/v1/types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,8 @@ type HelmChartSpec struct {

PodSecurityContext *corev1.PodSecurityContext `json:"podSecurityContext,omitempty"`
SecurityContext *corev1.SecurityContext `json:"securityContext,omitempty"`

Tolerations []corev1.Toleration `json:"tolerations,omitempty"`
}

type HelmChartStatus struct {
Expand Down
57 changes: 31 additions & 26 deletions pkg/controllers/chart/chart.go
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Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,35 @@ var (
}
)

var (
bootstrapTolerations = []corev1.Toleration{
{
Key: corev1.TaintNodeNotReady,
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: TaintExternalCloudProvider,
Operator: corev1.TolerationOpEqual,
Value: "true",
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: "CriticalAddonsOnly",
Operator: corev1.TolerationOpExists,
},
{
Key: LabelNodeRolePrefix + LabelEtcdSuffix,
Operator: corev1.TolerationOpExists,
Effect: corev1.TaintEffectNoExecute,
},
{
Key: LabelNodeRolePrefix + LabelControlPlaneSuffix,
Operator: corev1.TolerationOpExists,
Effect: corev1.TaintEffectNoSchedule,
},
}
)

type Controller struct {
systemNamespace string
jobClusterRole string
Expand Down Expand Up @@ -525,32 +554,7 @@ func job(chart *v1.HelmChart, apiServerPort string) (*batch.Job, *corev1.Secret,
if chart.Spec.Bootstrap {
job.Spec.Template.Spec.NodeSelector[LabelNodeRolePrefix+LabelControlPlaneSuffix] = "true"
job.Spec.Template.Spec.HostNetwork = true
job.Spec.Template.Spec.Tolerations = []corev1.Toleration{
{
Key: corev1.TaintNodeNotReady,
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: TaintExternalCloudProvider,
Operator: corev1.TolerationOpEqual,
Value: "true",
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: "CriticalAddonsOnly",
Operator: corev1.TolerationOpExists,
},
{
Key: LabelNodeRolePrefix + LabelEtcdSuffix,
Operator: corev1.TolerationOpExists,
Effect: corev1.TaintEffectNoExecute,
},
{
Key: LabelNodeRolePrefix + LabelControlPlaneSuffix,
Operator: corev1.TolerationOpExists,
Effect: corev1.TaintEffectNoSchedule,
},
}
job.Spec.Template.Spec.Tolerations = bootstrapTolerations
job.Spec.Template.Spec.Containers[0].Env = append(job.Spec.Template.Spec.Containers[0].Env, []corev1.EnvVar{
{
Name: "KUBERNETES_SERVICE_HOST",
Expand All @@ -563,6 +567,7 @@ func job(chart *v1.HelmChart, apiServerPort string) (*batch.Job, *corev1.Secret,
Value: "true"},
}...)
}
job.Spec.Template.Spec.Tolerations = append(job.Spec.Template.Spec.Tolerations, chart.Spec.Tolerations...)

setProxyEnv(job)
setAuthSecret(job, chart)
Expand Down
253 changes: 253 additions & 0 deletions test/suite/helm_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,33 @@ import (
"k8s.io/utils/pointer"
)

var bootstrapTolerations = &[]corev1.Toleration{
{
Key: "node.kubernetes.io/not-ready",
Effect: "NoSchedule",
},
{
Key: "node.cloudprovider.kubernetes.io/uninitialized",
Operator: "Equal",
Value: "true",
Effect: "NoSchedule",
},
{
Key: "CriticalAddonsOnly",
Operator: "Exists",
},
{
Key: "node-role.kubernetes.io/etcd",
Operator: "Exists",
Effect: "NoExecute",
},
{
Key: "node-role.kubernetes.io/control-plane",
Operator: "Exists",
Effect: "NoSchedule",
},
}

var _ = Describe("Helm Tests", Ordered, func() {
framework, _ := framework.New()

Expand Down Expand Up @@ -755,4 +782,230 @@ var _ = Describe("Helm Tests", Ordered, func() {
}, 120*time.Second, 5*time.Second).Should(BeTrue())
})
})

Context("When no tolerations are specified (non-boostrap)", func() {
var (
err error
chart *v1.HelmChart
job *batchv1.Job
)
BeforeEach(func() {
chart = framework.NewHelmChart("traefik-example-no-tolerations",
"stable/traefik",
"1.86.1",
"v3",
map[string]intstr.IntOrString{
"rbac.enabled": {
Type: intstr.String,
StrVal: "true",
},
"ssl.enabled": {
Type: intstr.String,
StrVal: "true",
},
})
chart, err = framework.CreateHelmChart(chart, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

labelSelector := labels.SelectorFromSet(labels.Set{
"owner": "helm",
"name": chart.Name,
})
_, err = framework.WaitForRelease(chart, labelSelector, 120*time.Second, 1)
Expect(err).ToNot(HaveOccurred())

chart, err = framework.GetHelmChart(chart.Name, chart.Namespace)
Expect(err).ToNot(HaveOccurred())
job, err = framework.GetJob(chart)
Expect(err).ToNot(HaveOccurred())
})
It("Should have no tolerations set", func() {
Expect(job.Spec.Template.Spec.Tolerations).To(BeEmpty())
})
AfterEach(func() {
err = framework.DeleteHelmChart(chart.Name, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

Eventually(func() bool {
_, err := framework.GetHelmChart(chart.Name, framework.Namespace)
return err != nil && apierrors.IsNotFound(err)
}, 120*time.Second, 5*time.Second).Should(BeTrue())
})
})

Context("When custom tolerations are specified (non-boostrap)", func() {
var (
err error
chart *v1.HelmChart
job *batchv1.Job
tolerations = &[]corev1.Toleration{
{
Key: "test-1",
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: "test-2",
Effect: corev1.TaintEffectNoExecute,
},
}
)
BeforeEach(func() {
chart = framework.NewHelmChart("traefik-example-custom-tolerations",
"stable/traefik",
"1.86.1",
"v3",
map[string]intstr.IntOrString{
"rbac.enabled": {
Type: intstr.String,
StrVal: "true",
},
"ssl.enabled": {
Type: intstr.String,
StrVal: "true",
},
})
chart.Spec.Tolerations = *tolerations
chart, err = framework.CreateHelmChart(chart, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

labelSelector := labels.SelectorFromSet(labels.Set{
"owner": "helm",
"name": chart.Name,
})
_, err = framework.WaitForRelease(chart, labelSelector, 120*time.Second, 1)
Expect(err).ToNot(HaveOccurred())

chart, err = framework.GetHelmChart(chart.Name, chart.Namespace)
Expect(err).ToNot(HaveOccurred())
job, err = framework.GetJob(chart)
Expect(err).ToNot(HaveOccurred())
})
It("Should have tolerations set", func() {
Expect(job.Spec.Template.Spec.Tolerations).To(Equal(*tolerations))
})
AfterEach(func() {
err = framework.DeleteHelmChart(chart.Name, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

Eventually(func() bool {
_, err := framework.GetHelmChart(chart.Name, framework.Namespace)
return err != nil && apierrors.IsNotFound(err)
}, 120*time.Second, 5*time.Second).Should(BeTrue())
})
})

Context("When no tolerations are specified (boostrap)", func() {
var (
err error
chart *v1.HelmChart
job *batchv1.Job
)
BeforeEach(func() {
chart = framework.NewHelmChart("traefik-example-bootstrap-default-tolerations",
"stable/traefik",
"1.86.1",
"v3",
map[string]intstr.IntOrString{
"rbac.enabled": {
Type: intstr.String,
StrVal: "true",
},
"ssl.enabled": {
Type: intstr.String,
StrVal: "true",
},
})
chart.Spec.Bootstrap = true
chart, err = framework.CreateHelmChart(chart, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

labelSelector := labels.SelectorFromSet(labels.Set{
"owner": "helm",
"name": chart.Name,
})
_, err = framework.WaitForRelease(chart, labelSelector, 120*time.Second, 1)
Expect(err).ToNot(HaveOccurred())

chart, err = framework.GetHelmChart(chart.Name, chart.Namespace)
Expect(err).ToNot(HaveOccurred())
job, err = framework.GetJob(chart)
Expect(err).ToNot(HaveOccurred())
})
It("Should have default tolerations set", func() {
Expect(job.Spec.Template.Spec.Tolerations).To(Equal(*bootstrapTolerations))
})
AfterEach(func() {
err = framework.DeleteHelmChart(chart.Name, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

Eventually(func() bool {
_, err := framework.GetHelmChart(chart.Name, framework.Namespace)
return err != nil && apierrors.IsNotFound(err)
}, 120*time.Second, 5*time.Second).Should(BeTrue())
})
})

Context("When custom tolerations are specified (boostrap)", func() {
var (
err error
chart *v1.HelmChart
job *batchv1.Job
specTolerations = &[]corev1.Toleration{
{
Key: "test-1",
Effect: corev1.TaintEffectNoSchedule,
},
{
Key: "test-2",
Effect: corev1.TaintEffectNoExecute,
},
}
finalTolerations = append(*bootstrapTolerations, *specTolerations...)
)
BeforeEach(func() {
chart = framework.NewHelmChart("traefik-example-bootstrap-custom-tolerations",
"stable/traefik",
"1.86.1",
"v3",
map[string]intstr.IntOrString{
"rbac.enabled": {
Type: intstr.String,
StrVal: "true",
},
"ssl.enabled": {
Type: intstr.String,
StrVal: "true",
},
})
chart.Spec.Tolerations = *specTolerations
chart.Spec.Bootstrap = true
chart, err = framework.CreateHelmChart(chart, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

labelSelector := labels.SelectorFromSet(labels.Set{
"owner": "helm",
"name": chart.Name,
})
_, err = framework.WaitForRelease(chart, labelSelector, 120*time.Second, 1)
Expect(err).ToNot(HaveOccurred())

chart, err = framework.GetHelmChart(chart.Name, chart.Namespace)
Expect(err).ToNot(HaveOccurred())
job, err = framework.GetJob(chart)
Expect(err).ToNot(HaveOccurred())
})
It("Should have tolerations set", func() {
Expect(job.Spec.Template.Spec.Tolerations).To(Equal(finalTolerations))
})
AfterEach(func() {
err = framework.DeleteHelmChart(chart.Name, framework.Namespace)
Expect(err).ToNot(HaveOccurred())

Eventually(func() bool {
_, err := framework.GetHelmChart(chart.Name, framework.Namespace)
return err != nil && apierrors.IsNotFound(err)
}, 120*time.Second, 5*time.Second).Should(BeTrue())
})
})

})