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resource.go
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resource.go
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package scyllacluster
import (
"fmt"
"path"
"sort"
"strconv"
"strings"
scyllav1 "github.com/scylladb/scylla-operator/pkg/api/scylla/v1"
"github.com/scylladb/scylla-operator/pkg/features"
"github.com/scylladb/scylla-operator/pkg/helpers"
"github.com/scylladb/scylla-operator/pkg/naming"
"github.com/scylladb/scylla-operator/pkg/pointer"
appsv1 "k8s.io/api/apps/v1"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
networkingv1 "k8s.io/api/networking/v1"
policyv1 "k8s.io/api/policy/v1"
rbacv1 "k8s.io/api/rbac/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/util/intstr"
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/klog/v2"
)
const (
scyllaAgentConfigVolumeName = "scylla-agent-config-volume"
scyllaAgentAuthTokenVolumeName = "scylla-agent-auth-token-volume"
scylladbServingCertsVolumeName = "scylladb-serving-certs"
scylladbClientCAVolumeName = "scylladb-client-ca"
scylladbUserAdminVolumeName = "scylladb-user-admin"
)
const (
rootUID int64 = 0
rootGID int64 = 0
)
const (
portNameCQL = "cql"
portNameCQLSSL = "cql-ssl"
portNameCQLShardAware = "cql-shard-aware"
portNameCQLSSLShardAware = "cql-ssl-shard-aware"
portNameAlternator = "alternator"
portNameThrift = "thrift"
)
func IdentityService(c *scyllav1.ScyllaCluster) *corev1.Service {
labels := naming.ClusterLabels(c)
labels[naming.ScyllaServiceTypeLabel] = string(naming.ScyllaServiceTypeIdentity)
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: naming.HeadlessServiceNameForCluster(c),
Namespace: c.Namespace,
Labels: labels,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(c, scyllaClusterControllerGVK),
},
},
Spec: corev1.ServiceSpec{
Type: corev1.ServiceTypeClusterIP,
Selector: naming.ClusterLabels(c),
Ports: servicePorts(c),
},
}
}
func MemberService(sc *scyllav1.ScyllaCluster, rackName, name string, oldService *corev1.Service, jobs map[string]*batchv1.Job) (*corev1.Service, error) {
svcLabels := naming.ClusterLabels(sc)
svcLabels[naming.DatacenterNameLabel] = sc.Spec.Datacenter.Name
svcLabels[naming.RackNameLabel] = rackName
svcLabels[naming.ScyllaServiceTypeLabel] = string(naming.ScyllaServiceTypeMember)
var replaceAddr string
var hasReplaceLabel bool
if oldService != nil {
replaceAddr, hasReplaceLabel = oldService.Labels[naming.ReplaceLabel]
}
// Only new service should get the replace address, old service keeps "" until deleted.
if !hasReplaceLabel || len(replaceAddr) != 0 {
rackStatus, ok := sc.Status.Racks[rackName]
if ok {
replaceAddr := rackStatus.ReplaceAddressFirstBoot[name]
if len(replaceAddr) != 0 {
svcLabels[naming.ReplaceLabel] = replaceAddr
}
}
}
svcAnnotations := make(map[string]string)
if oldService != nil {
_, hasLastCleanedUpRingHash := oldService.Annotations[naming.LastCleanedUpTokenRingHashAnnotation]
currentTokenRingHash, hasCurrentRingHash := oldService.Annotations[naming.CurrentTokenRingHashAnnotation]
if !hasLastCleanedUpRingHash && hasCurrentRingHash {
svcAnnotations[naming.LastCleanedUpTokenRingHashAnnotation] = currentTokenRingHash
}
}
cleanupJob, ok := jobs[naming.CleanupJobForService(name)]
if ok {
if len(cleanupJob.Annotations[naming.CleanupJobTokenRingHashAnnotation]) != 0 && cleanupJob.Status.CompletionTime != nil {
svcAnnotations[naming.LastCleanedUpTokenRingHashAnnotation] = cleanupJob.Annotations[naming.CleanupJobTokenRingHashAnnotation]
}
}
svc := &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: name,
Namespace: sc.Namespace,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(sc, scyllaClusterControllerGVK),
},
Labels: svcLabels,
Annotations: svcAnnotations,
},
Spec: corev1.ServiceSpec{
Type: corev1.ServiceTypeClusterIP,
Selector: naming.StatefulSetPodLabel(name),
Ports: servicePorts(sc),
PublishNotReadyAddresses: true,
},
}
if sc.Spec.ExposeOptions != nil && sc.Spec.ExposeOptions.NodeService != nil {
ns := sc.Spec.ExposeOptions.NodeService
switch ns.Type {
case scyllav1.NodeServiceTypeClusterIP:
svc.Spec.Type = corev1.ServiceTypeClusterIP
case scyllav1.NodeServiceTypeLoadBalancer:
svc.Spec.Type = corev1.ServiceTypeLoadBalancer
case scyllav1.NodeServiceTypeHeadless:
svc.Spec.Type = corev1.ServiceTypeClusterIP
svc.Spec.ClusterIP = corev1.ClusterIPNone
default:
return nil, fmt.Errorf("unsupported node service type %q", ns.Type)
}
svc.Annotations = helpers.MergeMaps(svcAnnotations, ns.Annotations)
svc.Spec.InternalTrafficPolicy = copyReferencedValue(ns.InternalTrafficPolicy)
svc.Spec.AllocateLoadBalancerNodePorts = copyReferencedValue(ns.AllocateLoadBalancerNodePorts)
svc.Spec.LoadBalancerClass = copyReferencedValue(ns.LoadBalancerClass)
svc.Spec.ExternalTrafficPolicy = getValueOrDefault(ns.ExternalTrafficPolicy, "")
}
return svc, nil
}
func servicePorts(cluster *scyllav1.ScyllaCluster) []corev1.ServicePort {
ports := []corev1.ServicePort{
{
Name: "inter-node-communication",
Port: 7000,
},
{
Name: "ssl-inter-node-communication",
Port: 7001,
},
{
Name: "jmx-monitoring",
Port: 7199,
},
{
Name: "agent-api",
Port: 10001,
},
{
Name: "prometheus",
Port: 9180,
},
{
Name: "agent-prometheus",
Port: 5090,
},
{
Name: "node-exporter",
Port: 9100,
},
{
Name: portNameCQL,
Port: 9042,
},
{
Name: portNameCQLSSL,
Port: 9142,
},
{
Name: portNameCQLShardAware,
Port: 19042,
},
{
Name: portNameCQLSSLShardAware,
Port: 19142,
},
}
if cluster.Spec.Alternator.Enabled() {
ports = append(ports, corev1.ServicePort{
Name: portNameAlternator,
Port: cluster.Spec.Alternator.Port,
})
} else {
ports = append(ports, corev1.ServicePort{
Name: portNameThrift,
Port: 9160,
})
}
return ports
}
// StatefulSetForRack make a StatefulSet for the rack.
// existingSts may be nil if it doesn't exist yet.
func StatefulSetForRack(r scyllav1.RackSpec, c *scyllav1.ScyllaCluster, existingSts *appsv1.StatefulSet, sidecarImage string, rackOrdinal int) (*appsv1.StatefulSet, error) {
rackLabels, err := naming.RackSelectorLabels(r, c)
if err != nil {
return nil, fmt.Errorf("can't get rack labels: %w", err)
}
rackLabels[naming.RackOrdinalLabel] = strconv.Itoa(rackOrdinal)
rackLabels[naming.ScyllaVersionLabel] = c.Spec.Version
selectorLabels, err := naming.RackSelectorLabels(r, c)
if err != nil {
return nil, fmt.Errorf("can't get selector labels: %w", err)
}
pvcLabels, err := naming.RackSelectorLabels(r, c)
if err != nil {
return nil, fmt.Errorf("can't get PVC Template labels: %w", err)
}
placement := r.Placement
if placement == nil {
placement = &scyllav1.PlacementSpec{}
}
opt := true
storageCapacity, err := resource.ParseQuantity(r.Storage.Capacity)
if err != nil {
return nil, fmt.Errorf("cannot parse %q: %v", r.Storage.Capacity, err)
}
sts := &appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: naming.StatefulSetNameForRack(r, c),
Namespace: c.Namespace,
Labels: rackLabels,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(c, scyllaClusterControllerGVK),
},
},
Spec: appsv1.StatefulSetSpec{
Replicas: pointer.Ptr(r.Members),
// Use a common Headless Service for all StatefulSets
ServiceName: naming.HeadlessServiceNameForCluster(c),
Selector: &metav1.LabelSelector{
MatchLabels: selectorLabels,
},
PodManagementPolicy: appsv1.OrderedReadyPodManagement,
UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
Type: appsv1.RollingUpdateStatefulSetStrategyType,
RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
Partition: pointer.Ptr(int32(0)),
},
},
// Template for Pods
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: rackLabels,
Annotations: map[string]string{
naming.PrometheusScrapeAnnotation: naming.LabelValueTrue,
naming.PrometheusPortAnnotation: "9180",
},
},
Spec: corev1.PodSpec{
HostNetwork: c.Spec.Network.HostNetworking,
DNSPolicy: c.Spec.Network.GetDNSPolicy(),
SecurityContext: &corev1.PodSecurityContext{
RunAsUser: pointer.Ptr(rootUID),
RunAsGroup: pointer.Ptr(rootGID),
},
Volumes: func() []corev1.Volume {
volumes := []corev1.Volume{
{
Name: "shared",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
},
{
Name: "scylla-config-volume",
VolumeSource: corev1.VolumeSource{
ConfigMap: &corev1.ConfigMapVolumeSource{
LocalObjectReference: corev1.LocalObjectReference{
Name: stringOrDefault(r.ScyllaConfig, "scylla-config"),
},
Optional: &opt,
},
},
},
{
Name: scyllaAgentConfigVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: stringOrDefault(r.ScyllaAgentConfig, "scylla-agent-config-secret"),
Optional: &opt,
},
},
},
{
Name: "scylla-client-config-volume",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: "scylla-client-config-secret",
Optional: &opt,
},
},
},
{
Name: scyllaAgentAuthTokenVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: naming.AgentAuthTokenSecretName(c.Name),
},
},
},
}
if utilfeature.DefaultMutableFeatureGate.Enabled(features.AutomaticTLSCertificates) {
volumes = append(volumes, []corev1.Volume{
{
Name: scylladbServingCertsVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: naming.GetScyllaClusterLocalServingCertName(c.Name),
},
},
},
{
Name: scylladbClientCAVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: naming.GetScyllaClusterLocalClientCAName(c.Name),
},
},
},
{
Name: scylladbUserAdminVolumeName,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: naming.GetScyllaClusterLocalUserAdminCertName(c.Name),
},
},
},
}...)
}
return volumes
}(),
Tolerations: placement.Tolerations,
InitContainers: []corev1.Container{
{
Name: naming.SidecarInjectorContainerName,
Image: sidecarImage,
ImagePullPolicy: corev1.PullIfNotPresent,
Command: []string{
"/bin/sh",
"-c",
fmt.Sprintf("cp -a /usr/bin/scylla-operator %s", naming.SharedDirName),
},
Resources: corev1.ResourceRequirements{
Limits: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("10m"),
corev1.ResourceMemory: resource.MustParse("50Mi"),
},
Requests: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("10m"),
corev1.ResourceMemory: resource.MustParse("50Mi"),
},
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "shared",
MountPath: naming.SharedDirName,
ReadOnly: false,
},
},
},
},
Containers: []corev1.Container{
{
Name: naming.ScyllaContainerName,
Image: ImageForCluster(c),
ImagePullPolicy: corev1.PullIfNotPresent,
Ports: containerPorts(c),
// TODO: unprivileged entrypoint
Command: func() []string {
cmd := []string{
path.Join(naming.SharedDirName, "scylla-operator"),
"sidecar",
fmt.Sprintf("--feature-gates=%s", func() string {
features := utilfeature.DefaultMutableFeatureGate.GetAll()
res := make([]string, 0, len(features))
for name := range features {
res = append(res, fmt.Sprintf("%s=%t", name, utilfeature.DefaultMutableFeatureGate.Enabled(name)))
}
sort.Strings(res)
return strings.Join(res, ",")
}()),
fmt.Sprintf("--nodes-broadcast-address-type=%s", func() scyllav1.BroadcastAddressType {
if c.Spec.ExposeOptions != nil && c.Spec.ExposeOptions.BroadcastOptions != nil {
return c.Spec.ExposeOptions.BroadcastOptions.Nodes.Type
}
return scyllav1.BroadcastAddressTypeServiceClusterIP
}()),
fmt.Sprintf("--clients-broadcast-address-type=%s", func() scyllav1.BroadcastAddressType {
if c.Spec.ExposeOptions != nil && c.Spec.ExposeOptions.BroadcastOptions != nil {
return c.Spec.ExposeOptions.BroadcastOptions.Clients.Type
}
return scyllav1.BroadcastAddressTypeServiceClusterIP
}()),
"--service-name=$(SERVICE_NAME)",
"--cpu-count=$(CPU_COUNT)",
// TODO: make it configurable
"--loglevel=2",
}
if len(c.Spec.ExternalSeeds) > 0 {
cmd = append(cmd, fmt.Sprintf("--external-seeds=%s", strings.Join(c.Spec.ExternalSeeds, ",")))
}
return cmd
}(),
Env: []corev1.EnvVar{
{
Name: "SERVICE_NAME",
ValueFrom: &corev1.EnvVarSource{
FieldRef: &corev1.ObjectFieldSelector{
FieldPath: "metadata.name",
},
},
},
{
Name: "CPU_COUNT",
ValueFrom: &corev1.EnvVarSource{
ResourceFieldRef: &corev1.ResourceFieldSelector{
ContainerName: naming.ScyllaContainerName,
Resource: "limits.cpu",
Divisor: resource.MustParse("1"),
},
},
},
},
Resources: r.Resources,
VolumeMounts: func() []corev1.VolumeMount {
mounts := []corev1.VolumeMount{
{
Name: naming.PVCTemplateName,
MountPath: naming.DataDir,
},
{
Name: "shared",
MountPath: naming.SharedDirName,
ReadOnly: true,
},
{
Name: "scylla-config-volume",
MountPath: naming.ScyllaConfigDirName,
ReadOnly: true,
},
{
Name: "scylla-client-config-volume",
MountPath: naming.ScyllaClientConfigDirName,
ReadOnly: true,
},
}
if utilfeature.DefaultMutableFeatureGate.Enabled(features.AutomaticTLSCertificates) {
mounts = append(mounts, []corev1.VolumeMount{
{
Name: scylladbServingCertsVolumeName,
MountPath: "/var/run/secrets/scylla-operator.scylladb.com/scylladb/serving-certs",
ReadOnly: true,
},
{
Name: scylladbClientCAVolumeName,
MountPath: "/var/run/secrets/scylla-operator.scylladb.com/scylladb/client-ca",
ReadOnly: true,
},
{
Name: scylladbUserAdminVolumeName,
MountPath: "/var/run/secrets/scylla-operator.scylladb.com/scylladb/user-admin",
ReadOnly: true,
},
}...)
}
return mounts
}(),
// Add CAP_SYS_NICE as instructed by scylla logs
SecurityContext: &corev1.SecurityContext{
RunAsUser: pointer.Ptr(rootUID),
RunAsGroup: pointer.Ptr(rootGID),
Capabilities: &corev1.Capabilities{
Add: []corev1.Capability{"SYS_NICE"},
},
},
StartupProbe: &corev1.Probe{
// Initial delay should be big, because scylla runs benchmarks
// to tune the IO settings.
// TODO: Lower the timeout when we fix probes. We have temporarily changed them from 5s
// to 30s to survive cluster overload.
// Relevant issue: https://github.com/scylladb/scylla-operator/issues/844
TimeoutSeconds: int32(30),
FailureThreshold: int32(40),
PeriodSeconds: int32(10),
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Port: intstr.FromInt(naming.ProbePort),
Path: naming.LivenessProbePath,
},
},
},
LivenessProbe: &corev1.Probe{
// TODO: Lower the timeout when we fix probes. Currently we need them raised
// because scylla doesn't respond under load. (#844)
TimeoutSeconds: int32(10),
FailureThreshold: int32(12),
PeriodSeconds: int32(10),
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Port: intstr.FromInt(naming.ProbePort),
Path: naming.LivenessProbePath,
},
},
},
ReadinessProbe: &corev1.Probe{
// TODO: Lower the timeout when we fix probes. We have temporarily changed them from 5s
// to 30s to survive cluster overload.
// Relevant issue: https://github.com/scylladb/scylla-operator/issues/844
TimeoutSeconds: int32(30),
FailureThreshold: int32(1),
PeriodSeconds: int32(10),
ProbeHandler: corev1.ProbeHandler{
HTTPGet: &corev1.HTTPGetAction{
Port: intstr.FromInt(naming.ProbePort),
Path: naming.ReadinessProbePath,
},
},
},
// Before a Scylla Pod is stopped, execute nodetool drain to
// flush the memtable to disk and stop listening for connections.
// This is necessary to ensure we don't lose any data and we don't
// need to replay the commitlog in the next startup.
Lifecycle: &corev1.Lifecycle{
PreStop: &corev1.LifecycleHandler{
Exec: &corev1.ExecAction{
Command: []string{
"/bin/sh", "-c", "PID=$(pgrep -x scylla);supervisorctl stop scylla; while kill -0 $PID; do sleep 1; done;",
},
},
},
},
},
},
ServiceAccountName: naming.MemberServiceAccountNameForScyllaCluster(c.Name),
Affinity: &corev1.Affinity{
NodeAffinity: placement.NodeAffinity,
PodAffinity: placement.PodAffinity,
PodAntiAffinity: placement.PodAntiAffinity,
},
ImagePullSecrets: c.Spec.ImagePullSecrets,
TerminationGracePeriodSeconds: pointer.Ptr(int64(900)),
},
},
VolumeClaimTemplates: []corev1.PersistentVolumeClaim{
{
ObjectMeta: metav1.ObjectMeta{
Name: naming.PVCTemplateName,
Labels: pvcLabels,
},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce},
StorageClassName: r.Storage.StorageClassName,
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceStorage: storageCapacity,
},
},
},
},
},
},
}
if len(c.Spec.ForceRedeploymentReason) != 0 {
sts.Spec.Template.Annotations[naming.ForceRedeploymentReasonAnnotation] = c.Spec.ForceRedeploymentReason
}
if existingSts != nil {
sts.ResourceVersion = existingSts.ResourceVersion
if sts.Spec.UpdateStrategy.Type == appsv1.RollingUpdateStatefulSetStrategyType &&
existingSts.Spec.UpdateStrategy.Type == appsv1.RollingUpdateStatefulSetStrategyType &&
existingSts.Spec.UpdateStrategy.RollingUpdate != nil &&
existingSts.Spec.UpdateStrategy.RollingUpdate.Partition != nil {
*sts.Spec.UpdateStrategy.RollingUpdate.Partition = *existingSts.Spec.UpdateStrategy.RollingUpdate.Partition
}
}
// Make sure we adjust if it was scaled in between.
if *sts.Spec.UpdateStrategy.RollingUpdate.Partition > *sts.Spec.Replicas {
sts.Spec.UpdateStrategy.RollingUpdate.Partition = pointer.Ptr(*sts.Spec.Replicas)
}
sysctlContainer := sysctlInitContainer(c.Spec.Sysctls, sidecarImage)
if sysctlContainer != nil {
sts.Spec.Template.Spec.InitContainers = append(sts.Spec.Template.Spec.InitContainers, *sysctlContainer)
}
for _, VolumeMount := range r.VolumeMounts {
sts.Spec.Template.Spec.Containers[0].VolumeMounts = append(
sts.Spec.Template.Spec.Containers[0].VolumeMounts, *VolumeMount.DeepCopy())
}
for _, Volume := range r.Volumes {
sts.Spec.Template.Spec.Volumes = append(
sts.Spec.Template.Spec.Volumes, *Volume.DeepCopy())
}
sts.Spec.Template.Spec.Containers = append(sts.Spec.Template.Spec.Containers, agentContainer(r, c))
return sts, nil
}
func containerPorts(c *scyllav1.ScyllaCluster) []corev1.ContainerPort {
ports := []corev1.ContainerPort{
{
Name: "intra-node",
ContainerPort: 7000,
},
{
Name: "tls-intra-node",
ContainerPort: 7001,
},
{
Name: "jmx",
ContainerPort: 7199,
},
{
Name: "prometheus",
ContainerPort: 9180,
},
{
Name: "node-exporter",
ContainerPort: 9100,
},
}
if c.Spec.Alternator.Enabled() {
ports = append(ports, corev1.ContainerPort{
Name: "alternator",
ContainerPort: c.Spec.Alternator.Port,
})
} else {
ports = append(ports, corev1.ContainerPort{
Name: "cql",
ContainerPort: 9042,
}, corev1.ContainerPort{
Name: "cql-ssl",
ContainerPort: 9142,
}, corev1.ContainerPort{
Name: "thrift",
ContainerPort: 9160,
})
}
return ports
}
func sysctlInitContainer(sysctls []string, image string) *corev1.Container {
if len(sysctls) == 0 {
return nil
}
opt := true
return &corev1.Container{
Name: "sysctl-buddy",
Image: image,
ImagePullPolicy: corev1.PullIfNotPresent,
SecurityContext: &corev1.SecurityContext{
Privileged: &opt,
},
Resources: corev1.ResourceRequirements{
Limits: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("10m"),
corev1.ResourceMemory: resource.MustParse("50Mi"),
},
Requests: corev1.ResourceList{
corev1.ResourceCPU: resource.MustParse("10m"),
corev1.ResourceMemory: resource.MustParse("50Mi"),
},
},
Command: []string{
"/bin/sh",
"-c",
fmt.Sprintf("sysctl -w %s", strings.Join(sysctls, " ")),
},
}
}
func agentContainer(r scyllav1.RackSpec, c *scyllav1.ScyllaCluster) corev1.Container {
cnt := corev1.Container{
Name: "scylla-manager-agent",
Image: agentImageForCluster(c),
ImagePullPolicy: corev1.PullIfNotPresent,
Args: []string{
"-c",
naming.ScyllaAgentConfigDefaultFile,
"-c",
path.Join(naming.ScyllaAgentConfigDirName, naming.ScyllaAgentConfigFileName),
"-c",
path.Join(naming.ScyllaAgentConfigDirName, naming.ScyllaAgentAuthTokenFileName),
},
Ports: []corev1.ContainerPort{
{
Name: "agent-rest-api",
ContainerPort: 10001,
},
},
VolumeMounts: []corev1.VolumeMount{
{
Name: naming.PVCTemplateName,
MountPath: naming.DataDir,
},
{
Name: scyllaAgentConfigVolumeName,
MountPath: path.Join(naming.ScyllaAgentConfigDirName, naming.ScyllaAgentConfigFileName),
SubPath: naming.ScyllaAgentConfigFileName,
ReadOnly: true,
},
{
Name: scyllaAgentAuthTokenVolumeName,
MountPath: path.Join(naming.ScyllaAgentConfigDirName, naming.ScyllaAgentAuthTokenFileName),
SubPath: naming.ScyllaAgentAuthTokenFileName,
ReadOnly: true,
},
},
Resources: r.AgentResources,
}
for _, vm := range r.AgentVolumeMounts {
cnt.VolumeMounts = append(cnt.VolumeMounts, *vm.DeepCopy())
}
return cnt
}
func MakePodDisruptionBudget(c *scyllav1.ScyllaCluster) *policyv1.PodDisruptionBudget {
maxUnavailable := intstr.FromInt(1)
return &policyv1.PodDisruptionBudget{
ObjectMeta: metav1.ObjectMeta{
Name: naming.PodDisruptionBudgetName(c),
Namespace: c.Namespace,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(c, scyllaClusterControllerGVK),
},
Labels: naming.ClusterLabels(c),
},
Spec: policyv1.PodDisruptionBudgetSpec{
MaxUnavailable: &maxUnavailable,
Selector: metav1.SetAsLabelSelector(naming.ClusterLabels(c)),
},
}
}
func MakeIngresses(c *scyllav1.ScyllaCluster, services map[string]*corev1.Service) []*networkingv1.Ingress {
// Don't create Ingresses if cluster isn't exposed.
if c.Spec.ExposeOptions == nil {
return nil
}
type params struct {
ingressNameSuffix string
portName string
protocolSubdomainFunc func(string) string
memberSubdomainFunc func(string, string) string
ingressOptions *scyllav1.IngressOptions
}
var ingressParams []params
if c.Spec.ExposeOptions.CQL != nil && isIngressEnabled(c.Spec.ExposeOptions.CQL.Ingress) {
ingressParams = append(ingressParams, params{
ingressNameSuffix: "cql",
portName: portNameCQLSSL,
protocolSubdomainFunc: naming.GetCQLProtocolSubDomain,
memberSubdomainFunc: naming.GetCQLHostIDSubDomain,
ingressOptions: c.Spec.ExposeOptions.CQL.Ingress,
})
}
var ingresses []*networkingv1.Ingress
for _, ip := range ingressParams {
for _, service := range services {
var hosts []string
labels := naming.ClusterLabels(c)
switch naming.ScyllaServiceType(service.Labels[naming.ScyllaServiceTypeLabel]) {
case naming.ScyllaServiceTypeIdentity:
for _, domain := range c.Spec.DNSDomains {
hosts = append(hosts, ip.protocolSubdomainFunc(domain))
}
labels[naming.ScyllaIngressTypeLabel] = string(naming.ScyllaIngressTypeAnyNode)
case naming.ScyllaServiceTypeMember:
hostID, ok := service.Annotations[naming.HostIDAnnotation]
if !ok {
klog.V(4).Infof("Service %q is missing HostID annotation, postponing Ingress creation until it's available", naming.ObjRef(service))
continue
}
if len(hostID) == 0 {
klog.Warningf("Can't create Ingress for Service %s because it has unexpected empty HostID annotation", klog.KObj(service))
continue
}
for _, domain := range c.Spec.DNSDomains {
hosts = append(hosts, ip.memberSubdomainFunc(hostID, domain))
}
labels[naming.ScyllaIngressTypeLabel] = string(naming.ScyllaIngressTypeNode)
default:
klog.Warningf("Unsupported Scylla service type %q, not creating Ingress for it", service.Labels[naming.ScyllaServiceTypeLabel])
continue
}
ingress := &networkingv1.Ingress{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-%s", service.Name, ip.ingressNameSuffix),
Namespace: c.Namespace,
Labels: labels,
Annotations: ip.ingressOptions.Annotations,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(c, scyllaClusterControllerGVK),
},
},
Spec: networkingv1.IngressSpec{
IngressClassName: pointer.Ptr(ip.ingressOptions.IngressClassName),
},
}
pathPrefix := networkingv1.PathTypePrefix
for _, host := range hosts {
ingress.Spec.Rules = append(ingress.Spec.Rules, networkingv1.IngressRule{
Host: host,
IngressRuleValue: networkingv1.IngressRuleValue{
HTTP: &networkingv1.HTTPIngressRuleValue{
Paths: []networkingv1.HTTPIngressPath{
{
Path: "/",
PathType: &pathPrefix,
Backend: networkingv1.IngressBackend{
Service: &networkingv1.IngressServiceBackend{
Name: service.Name,
Port: networkingv1.ServiceBackendPort{
Name: ip.portName,
},
},
},
},
},
},
},
})
}
ingresses = append(ingresses, ingress)
}
}
sort.Slice(ingresses, func(i, j int) bool {
return ingresses[i].GetName() < ingresses[j].GetName()
})
return ingresses
}
func isIngressEnabled(ingressOptions *scyllav1.IngressOptions) bool {
if ingressOptions == nil {
return false
}
return ingressOptions.Disabled == nil || !*ingressOptions.Disabled
}
func MakeAgentAuthTokenSecret(c *scyllav1.ScyllaCluster, authToken string) (*corev1.Secret, error) {
data, err := helpers.GetAgentAuthTokenConfig(authToken)
if err != nil {
return nil, err
}
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: naming.AgentAuthTokenSecretName(c.Name),
Namespace: c.Namespace,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(c, scyllaClusterControllerGVK),
},
Labels: naming.ClusterLabels(c),
},
Type: corev1.SecretTypeOpaque,
Data: map[string][]byte{
naming.ScyllaAgentAuthTokenFileName: data,
},
}, nil
}
func ImageForCluster(c *scyllav1.ScyllaCluster) string {
return fmt.Sprintf("%s:%s", c.Spec.Repository, c.Spec.Version)
}
func agentImageForCluster(c *scyllav1.ScyllaCluster) string {
return fmt.Sprintf("%s:%s", c.Spec.AgentRepository, c.Spec.AgentVersion)
}
func stringOrDefault(str, def string) string {
if str != "" {
return str
}
return def
}
func getValueOrDefault[T any](v *T, def T) T {
if v != nil {
return *v
}
return def
}
func copyReferencedValue[T any](v *T) *T {
if v != nil {
return pointer.Ptr(*v)
}
return nil
}
func MakeServiceAccount(sc *scyllav1.ScyllaCluster) *corev1.ServiceAccount {
return &corev1.ServiceAccount{
ObjectMeta: metav1.ObjectMeta{
Name: naming.MemberServiceAccountNameForScyllaCluster(sc.Name),
Namespace: sc.Namespace,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(sc, scyllaClusterControllerGVK),
},
Labels: naming.ClusterLabels(sc),
},
}
}
func MakeRoleBinding(sc *scyllav1.ScyllaCluster) *rbacv1.RoleBinding {
saName := naming.MemberServiceAccountNameForScyllaCluster(sc.Name)
return &rbacv1.RoleBinding{
ObjectMeta: metav1.ObjectMeta{
Name: saName,
Namespace: sc.Namespace,
OwnerReferences: []metav1.OwnerReference{
*metav1.NewControllerRef(sc, scyllaClusterControllerGVK),
},
Labels: naming.ClusterLabels(sc),
},
Subjects: []rbacv1.Subject{
{
APIGroup: corev1.GroupName,
Kind: rbacv1.ServiceAccountKind,
Namespace: sc.Namespace,
Name: saName,
},
},
RoleRef: rbacv1.RoleRef{
APIGroup: rbacv1.GroupName,
Kind: "ClusterRole",
Name: naming.ScyllaClusterMemberClusterRoleName,
},
}
}
func MakeJobs(sc *scyllav1.ScyllaCluster, services map[string]*corev1.Service, image string) ([]*batchv1.Job, []metav1.Condition) {
var jobs []*batchv1.Job
var progressingConditions []metav1.Condition
for _, rack := range sc.Spec.Datacenter.Racks {
for i := int32(0); i < rack.Members; i++ {
svcName := naming.MemberServiceName(rack, sc, int(i))
svc, ok := services[svcName]
if !ok {
progressingConditions = append(progressingConditions, metav1.Condition{
Type: jobControllerProgressingCondition,
Status: metav1.ConditionTrue,
Reason: "WaitingForService",
Message: fmt.Sprintf("Waiting for Service %q", naming.ManualRef(sc.Namespace, svcName)),
ObservedGeneration: sc.Generation,
})
continue