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cluster.go
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cluster.go
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package builders
import (
"context"
"fmt"
"strings"
monitoring "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1"
opsterv1 "github.com/Opster/opensearch-k8s-operator/opensearch-operator/api/v1"
"github.com/Opster/opensearch-k8s-operator/opensearch-operator/pkg/helpers"
appsv1 "k8s.io/api/apps/v1"
batchv1 "k8s.io/api/batch/v1"
corev1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/utils/pointer"
"sigs.k8s.io/controller-runtime/pkg/client"
)
/// package that declare and build all the resources that related to the OpenSearch cluster ///
const (
ConfigurationChecksumAnnotation = "opster.io/config"
DefaultDiskSize = "30Gi"
defaultMonitoringPlugin = "https://github.com/aiven/prometheus-exporter-plugin-for-opensearch/releases/download/%s.0/prometheus-exporter-%s.0.zip"
securityconfigChecksumAnnotation = "securityconfig/checksum"
)
func NewSTSForNodePool(
username string,
cr *opsterv1.OpenSearchCluster,
node opsterv1.NodePool,
configChecksum string,
volumes []corev1.Volume,
volumeMounts []corev1.VolumeMount,
extraConfig map[string]string,
) *appsv1.StatefulSet {
// To make sure disksize is not passed as empty
var disksize string
if len(node.DiskSize) == 0 {
disksize = DefaultDiskSize
} else {
disksize = node.DiskSize
}
availableRoles := []string{
"master",
"data",
"data_content",
"data_hot",
"data_warm",
"data_cold",
"data_frozen",
"ingest",
"ml",
"remote_cluster_client",
"transform",
"cluster_manager",
"search",
}
var selectedRoles []string
for _, role := range node.Roles {
if helpers.ContainsString(availableRoles, role) {
role = helpers.MapClusterRole(role, cr.Spec.General.Version)
selectedRoles = append(selectedRoles, role)
}
}
pvc := corev1.PersistentVolumeClaim{}
dataVolume := corev1.Volume{}
if node.Persistence == nil || node.Persistence.PersistenceSource.PVC != nil {
mode := corev1.PersistentVolumeFilesystem
pvc = corev1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{Name: "data"},
Spec: corev1.PersistentVolumeClaimSpec{
AccessModes: func() []corev1.PersistentVolumeAccessMode {
if node.Persistence == nil {
return []corev1.PersistentVolumeAccessMode{corev1.ReadWriteOnce}
}
return node.Persistence.PersistenceSource.PVC.AccessModes
}(),
Resources: corev1.ResourceRequirements{
Requests: corev1.ResourceList{
corev1.ResourceStorage: resource.MustParse(disksize),
},
},
StorageClassName: func() *string {
if node.Persistence == nil {
return nil
}
if node.Persistence.PVC.StorageClassName == "" {
return nil
}
return &node.Persistence.PVC.StorageClassName
}(),
VolumeMode: &mode,
},
}
}
if node.Persistence != nil {
dataVolume.Name = "data"
if node.Persistence.PersistenceSource.HostPath != nil {
dataVolume.VolumeSource = corev1.VolumeSource{
HostPath: node.Persistence.PersistenceSource.HostPath,
}
volumes = append(volumes, dataVolume)
}
if node.Persistence.PersistenceSource.EmptyDir != nil {
dataVolume.VolumeSource = corev1.VolumeSource{
EmptyDir: node.Persistence.PersistenceSource.EmptyDir,
}
volumes = append(volumes, dataVolume)
}
}
volumeMounts = append(volumeMounts, corev1.VolumeMount{
Name: "data",
MountPath: "/usr/share/opensearch/data",
})
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
helpers.NodePoolLabel: node.Component,
}
annotations := map[string]string{
ConfigurationChecksumAnnotation: configChecksum,
}
matchLabels := map[string]string{
helpers.ClusterLabel: cr.Name,
helpers.NodePoolLabel: node.Component,
}
if helpers.ContainsString(selectedRoles, "master") {
labels["opensearch.role"] = "master"
}
if helpers.ContainsString(selectedRoles, "cluster_manager") {
labels["opensearch.role"] = "cluster_manager"
}
// cr.Spec.NodePool.labels
for k, v := range node.Labels {
labels[k] = v
}
// cr.Spec.NodePool.annotations
for ak, vk := range node.Annotations {
annotations[ak] = vk
}
runas := int64(0)
if cr.Spec.General.Vendor == "Op" || cr.Spec.General.Vendor == "OP" ||
cr.Spec.General.Vendor == "Opensearch" ||
cr.Spec.General.Vendor == "opensearch" ||
cr.Spec.General.Vendor == "" {
// vendor = "opensearchproject/opensearch"
} else {
panic("vendor=elasticsearch not implemented")
// vendor ="elasticsearch"
}
jvm := helpers.CalculateJvmHeapSize(&node)
// If node role `search` defined add required experimental flag if version less than 2.7
if helpers.ContainsString(selectedRoles, "search") && helpers.CompareVersions(cr.Spec.General.Version, "2.7.0") {
jvm += " -Dopensearch.experimental.feature.searchable_snapshot.enabled=true"
}
// Supress repeated log messages about a deprecated format for the publish address
jvm += " -Dopensearch.transport.cname_in_publish_address=true"
startupProbePeriodSeconds := int32(20)
startupProbeTimeoutSeconds := int32(5)
startupProbeFailureThreshold := int32(10)
startupProbeSuccessThreshold := int32(1)
startupProbeInitialDelaySeconds := int32(10)
readinessProbePeriodSeconds := int32(30)
readinessProbeTimeoutSeconds := int32(30)
readinessProbeFailureThreshold := int32(5)
readinessProbeInitialDelaySeconds := int32(60)
livenessProbePeriodSeconds := int32(20)
livenessProbeTimeoutSeconds := int32(5)
livenessProbeFailureThreshold := int32(10)
livenessProbeSuccessThreshold := int32(1)
livenessProbeInitialDelaySeconds := int32(10)
if node.Probes != nil {
if node.Probes.Liveness != nil {
if node.Probes.Liveness.InitialDelaySeconds > 0 {
livenessProbeInitialDelaySeconds = node.Probes.Liveness.InitialDelaySeconds
}
if node.Probes.Liveness.PeriodSeconds > 0 {
livenessProbePeriodSeconds = node.Probes.Liveness.PeriodSeconds
}
if node.Probes.Liveness.TimeoutSeconds > 0 {
livenessProbeTimeoutSeconds = node.Probes.Liveness.TimeoutSeconds
}
if node.Probes.Liveness.FailureThreshold > 0 {
livenessProbeFailureThreshold = node.Probes.Liveness.FailureThreshold
}
if node.Probes.Liveness.SuccessThreshold > 0 {
livenessProbeSuccessThreshold = node.Probes.Liveness.SuccessThreshold
}
}
if node.Probes.Startup != nil {
if node.Probes.Startup.InitialDelaySeconds > 0 {
startupProbeInitialDelaySeconds = node.Probes.Startup.InitialDelaySeconds
}
if node.Probes.Startup.PeriodSeconds > 0 {
startupProbePeriodSeconds = node.Probes.Startup.PeriodSeconds
}
if node.Probes.Startup.TimeoutSeconds > 0 {
startupProbeTimeoutSeconds = node.Probes.Startup.TimeoutSeconds
}
if node.Probes.Startup.FailureThreshold > 0 {
startupProbeFailureThreshold = node.Probes.Startup.FailureThreshold
}
if node.Probes.Startup.SuccessThreshold > 0 {
startupProbeSuccessThreshold = node.Probes.Startup.SuccessThreshold
}
}
if node.Probes.Readiness != nil {
if node.Probes.Readiness.InitialDelaySeconds > 0 {
readinessProbeInitialDelaySeconds = node.Probes.Readiness.InitialDelaySeconds
}
if node.Probes.Readiness.PeriodSeconds > 0 {
readinessProbePeriodSeconds = node.Probes.Readiness.PeriodSeconds
}
if node.Probes.Readiness.TimeoutSeconds > 0 {
readinessProbeTimeoutSeconds = node.Probes.Readiness.TimeoutSeconds
}
if node.Probes.Readiness.FailureThreshold > 0 {
readinessProbeFailureThreshold = node.Probes.Readiness.FailureThreshold
}
}
}
livenessProbe := corev1.Probe{
PeriodSeconds: livenessProbePeriodSeconds,
TimeoutSeconds: livenessProbeTimeoutSeconds,
FailureThreshold: livenessProbeFailureThreshold,
SuccessThreshold: livenessProbeSuccessThreshold,
InitialDelaySeconds: livenessProbeInitialDelaySeconds,
ProbeHandler: corev1.ProbeHandler{TCPSocket: &corev1.TCPSocketAction{Port: intstr.IntOrString{IntVal: cr.Spec.General.HttpPort}}},
}
startupProbe := corev1.Probe{
PeriodSeconds: startupProbePeriodSeconds,
TimeoutSeconds: startupProbeTimeoutSeconds,
FailureThreshold: startupProbeFailureThreshold,
SuccessThreshold: startupProbeSuccessThreshold,
InitialDelaySeconds: startupProbeInitialDelaySeconds,
ProbeHandler: corev1.ProbeHandler{TCPSocket: &corev1.TCPSocketAction{Port: intstr.IntOrString{IntVal: cr.Spec.General.HttpPort}}},
}
// Because the http endpoint requires auth we need to do it as a curl script
httpPort := PortForCluster(cr)
curlCmd := "curl -k -u \"$(cat /mnt/admin-credentials/username):$(cat /mnt/admin-credentials/password)\" --silent --fail https://localhost:" + fmt.Sprint(httpPort)
readinessProbe := corev1.Probe{
InitialDelaySeconds: readinessProbeInitialDelaySeconds,
PeriodSeconds: readinessProbePeriodSeconds,
FailureThreshold: readinessProbeFailureThreshold,
TimeoutSeconds: readinessProbeTimeoutSeconds,
ProbeHandler: corev1.ProbeHandler{
Exec: &corev1.ExecAction{
Command: []string{
"/bin/bash",
"-c",
curlCmd,
},
},
},
}
volumes = append(volumes, corev1.Volume{
Name: "admin-credentials",
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{SecretName: fmt.Sprintf("%s-admin-password", cr.Name)},
},
})
volumeMounts = append(volumeMounts, corev1.VolumeMount{
Name: "admin-credentials",
MountPath: "/mnt/admin-credentials",
})
image := helpers.ResolveImage(cr, &node)
initHelperImage := helpers.ResolveInitHelperImage(cr)
resources := cr.Spec.InitHelper.Resources
startUpCommand := "./opensearch-docker-entrypoint.sh"
// If a custom command is specified, use it.
if len(cr.Spec.General.Command) > 0 {
startUpCommand = cr.Spec.General.Command
}
var pluginslist []string
if cr.Spec.General.Monitoring.Enable {
if cr.Spec.General.Monitoring.PluginURL != "" {
pluginslist = append(pluginslist, cr.Spec.General.Monitoring.PluginURL)
} else {
pluginslist = append(pluginslist, fmt.Sprintf(defaultMonitoringPlugin, cr.Spec.General.Version, cr.Spec.General.Version))
}
}
pluginslist = helpers.RemoveDuplicateStrings(append(pluginslist, cr.Spec.General.PluginsList...))
mainCommand := helpers.BuildMainCommand("./bin/opensearch-plugin", pluginslist, true, startUpCommand)
podSecurityContext := cr.Spec.General.PodSecurityContext
securityContext := cr.Spec.General.SecurityContext
var initContainers []corev1.Container
if !helpers.SkipInitContainer() {
initContainers = append(initContainers, corev1.Container{
Name: "init",
Image: initHelperImage.GetImage(),
ImagePullPolicy: initHelperImage.GetImagePullPolicy(),
Resources: resources,
Command: []string{"sh", "-c"},
Args: []string{"chown -R 1000:1000 /usr/share/opensearch/data"},
SecurityContext: &corev1.SecurityContext{
RunAsUser: &runas,
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "data",
MountPath: "/usr/share/opensearch/data",
},
},
})
}
// If Keystore Values are set in OpenSearchCluster manifest
if cr.Spec.General.Keystore != nil && len(cr.Spec.General.Keystore) > 0 {
// Add volume and volume mount for keystore
volumes = append(volumes, corev1.Volume{
Name: "keystore",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
})
volumeMounts = append(volumeMounts, corev1.VolumeMount{
Name: "keystore",
MountPath: "/usr/share/opensearch/config/opensearch.keystore",
SubPath: "opensearch.keystore",
})
initContainerVolumeMounts := []corev1.VolumeMount{
{
Name: "keystore",
MountPath: "/tmp/keystore",
},
}
// Add volumes and volume mounts for keystore secrets
for _, keystoreValue := range cr.Spec.General.Keystore {
volumes = append(volumes, corev1.Volume{
Name: "keystore-" + keystoreValue.Secret.Name,
VolumeSource: corev1.VolumeSource{
Secret: &corev1.SecretVolumeSource{
SecretName: keystoreValue.Secret.Name,
},
},
})
if keystoreValue.KeyMappings == nil || len(keystoreValue.KeyMappings) == 0 {
// If no renames are necessary, mount secret key-value pairs directly
initContainerVolumeMounts = append(initContainerVolumeMounts, corev1.VolumeMount{
Name: "keystore-" + keystoreValue.Secret.Name,
MountPath: "/tmp/keystoreSecrets/" + keystoreValue.Secret.Name,
})
} else {
keys := helpers.SortedKeys(keystoreValue.KeyMappings)
for _, oldKey := range keys {
initContainerVolumeMounts = append(initContainerVolumeMounts, corev1.VolumeMount{
Name: "keystore-" + keystoreValue.Secret.Name,
MountPath: "/tmp/keystoreSecrets/" + keystoreValue.Secret.Name + "/" + keystoreValue.KeyMappings[oldKey],
SubPath: oldKey,
})
}
}
}
keystoreInitContainer := corev1.Container{
Name: "keystore",
Image: image.GetImage(),
ImagePullPolicy: image.GetImagePullPolicy(),
Resources: resources,
Command: []string{
"sh",
"-c",
`
#!/usr/bin/env bash
set -euo pipefail
/usr/share/opensearch/bin/opensearch-keystore create
for i in /tmp/keystoreSecrets/*/*; do
key=$(basename $i)
echo "Adding file $i to keystore key $key"
/usr/share/opensearch/bin/opensearch-keystore add-file "$key" "$i"
done
# Add the bootstrap password since otherwise the opensearch entrypoint tries to do this on startup
if [ ! -z ${PASSWORD+x} ]; then
echo 'Adding env $PASSWORD to keystore as key bootstrap.password'
echo "$PASSWORD" | /usr/share/opensearch/bin/opensearch-keystore add -x bootstrap.password
fi
cp -a /usr/share/opensearch/config/opensearch.keystore /tmp/keystore/
`,
},
VolumeMounts: initContainerVolumeMounts,
SecurityContext: securityContext,
}
initContainers = append(initContainers, keystoreInitContainer)
}
sts := &appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{
Name: cr.Name + "-" + node.Component,
Namespace: cr.Namespace,
Labels: labels,
Annotations: annotations,
},
Spec: appsv1.StatefulSetSpec{
Replicas: &node.Replicas,
Selector: &metav1.LabelSelector{
MatchLabels: matchLabels,
},
PodManagementPolicy: appsv1.OrderedReadyPodManagement,
UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
Type: appsv1.OnDeleteStatefulSetStrategyType,
},
Template: corev1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: labels,
Annotations: annotations,
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Env: []corev1.EnvVar{
{
Name: "cluster.initial_master_nodes",
Value: BootstrapPodName(cr),
},
{
Name: "discovery.seed_hosts",
Value: DiscoveryServiceName(cr),
},
{
Name: "cluster.name",
Value: cr.Name,
},
{
Name: "network.bind_host",
Value: "0.0.0.0",
},
{
// Make elasticsearch announce its hostname instead of IP so that certificates using the hostname can be verified
Name: "network.publish_host",
ValueFrom: &corev1.EnvVarSource{FieldRef: &corev1.ObjectFieldSelector{APIVersion: "v1", FieldPath: "metadata.name"}},
},
{
Name: "OPENSEARCH_JAVA_OPTS",
Value: jvm,
},
{
Name: "node.roles",
Value: strings.Join(selectedRoles, ","),
},
{
Name: "http.port",
Value: fmt.Sprint(cr.Spec.General.HttpPort),
},
},
Name: "opensearch",
Command: mainCommand,
Image: image.GetImage(),
ImagePullPolicy: image.GetImagePullPolicy(),
Resources: node.Resources,
Ports: []corev1.ContainerPort{
{
Name: "http",
ContainerPort: cr.Spec.General.HttpPort,
},
{
Name: "transport",
ContainerPort: 9300,
},
},
StartupProbe: &startupProbe,
LivenessProbe: &livenessProbe,
ReadinessProbe: &readinessProbe,
VolumeMounts: volumeMounts,
SecurityContext: securityContext,
},
},
InitContainers: initContainers,
Volumes: volumes,
ServiceAccountName: cr.Spec.General.ServiceAccount,
NodeSelector: node.NodeSelector,
Tolerations: node.Tolerations,
Affinity: node.Affinity,
TopologySpreadConstraints: node.TopologySpreadConstraints,
ImagePullSecrets: image.ImagePullSecrets,
PriorityClassName: node.PriorityClassName,
SecurityContext: podSecurityContext,
},
},
VolumeClaimTemplates: func() []corev1.PersistentVolumeClaim {
if node.Persistence == nil || node.Persistence.PersistenceSource.PVC != nil {
return []corev1.PersistentVolumeClaim{pvc}
}
return []corev1.PersistentVolumeClaim{}
}(),
ServiceName: cr.Spec.General.ServiceName,
},
}
// Append additional config to env vars
keys := helpers.SortedKeys(extraConfig)
for _, k := range keys {
sts.Spec.Template.Spec.Containers[0].Env = append(sts.Spec.Template.Spec.Containers[0].Env, corev1.EnvVar{
Name: k,
Value: extraConfig[k],
})
}
// Append additional env vars from cr.Spec.NodePool.env
sts.Spec.Template.Spec.Containers[0].Env = append(sts.Spec.Template.Spec.Containers[0].Env, node.Env...)
if cr.Spec.General.SetVMMaxMapCount {
initHelperImage := helpers.ResolveInitHelperImage(cr)
sts.Spec.Template.Spec.InitContainers = append(sts.Spec.Template.Spec.InitContainers, corev1.Container{
Name: "init-sysctl",
Image: initHelperImage.GetImage(),
ImagePullPolicy: initHelperImage.GetImagePullPolicy(),
Resources: resources,
Command: []string{
"sysctl",
"-w",
"vm.max_map_count=262144",
},
SecurityContext: &corev1.SecurityContext{
Privileged: pointer.Bool(true),
},
})
}
return sts
}
func NewHeadlessServiceForNodePool(cr *opsterv1.OpenSearchCluster, nodePool *opsterv1.NodePool) *corev1.Service {
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
helpers.NodePoolLabel: nodePool.Component,
}
annotations := make(map[string]string)
for key, value := range cr.Spec.General.Annotations {
annotations[key] = value
}
for key, value := range nodePool.Annotations {
annotations[key] = value
}
return &corev1.Service{
TypeMeta: metav1.TypeMeta{
Kind: "Service",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-%s", cr.Spec.General.ServiceName, nodePool.Component),
Namespace: cr.Namespace,
Labels: labels,
Annotations: annotations,
},
Spec: corev1.ServiceSpec{
ClusterIP: "None",
Ports: []corev1.ServicePort{
{
Name: "http",
Protocol: "TCP",
Port: cr.Spec.General.HttpPort,
TargetPort: intstr.IntOrString{
IntVal: cr.Spec.General.HttpPort,
},
},
{
Name: "transport",
Protocol: "TCP",
Port: 9300,
TargetPort: intstr.IntOrString{
IntVal: 9300,
StrVal: "9300",
},
},
},
Selector: labels,
Type: "",
},
}
}
func NewServiceForCR(cr *opsterv1.OpenSearchCluster) *corev1.Service {
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
}
return &corev1.Service{
TypeMeta: metav1.TypeMeta{
Kind: "Service",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: cr.Spec.General.ServiceName,
Namespace: cr.Namespace,
Labels: labels,
Annotations: cr.Spec.General.Annotations,
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{
{
Name: "http",
Protocol: "TCP",
Port: cr.Spec.General.HttpPort,
TargetPort: intstr.IntOrString{
IntVal: cr.Spec.General.HttpPort,
},
},
{
Name: "transport",
Protocol: "TCP",
Port: 9300,
TargetPort: intstr.IntOrString{
IntVal: 9300,
StrVal: "9300",
},
},
{
Name: "metrics",
Protocol: "TCP",
Port: 9600,
TargetPort: intstr.IntOrString{
IntVal: 9600,
StrVal: "9600",
},
},
{
Name: "rca",
Protocol: "TCP",
Port: 9650,
TargetPort: intstr.IntOrString{
IntVal: 9650,
StrVal: "9650",
},
},
},
Selector: labels,
Type: "",
},
}
}
func NewDiscoveryServiceForCR(cr *opsterv1.OpenSearchCluster) *corev1.Service {
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
}
return &corev1.Service{
ObjectMeta: metav1.ObjectMeta{
Name: DiscoveryServiceName(cr),
Namespace: cr.Namespace,
Labels: labels,
},
Spec: corev1.ServiceSpec{
PublishNotReadyAddresses: true,
Ports: []corev1.ServicePort{
{
Name: "transport",
Protocol: "TCP",
Port: 9300,
TargetPort: intstr.IntOrString{
IntVal: 9300,
StrVal: "9300",
},
},
},
ClusterIP: corev1.ClusterIPNone,
Selector: labels,
},
}
}
func NewNodePortService(cr *opsterv1.OpenSearchCluster) *corev1.Service {
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
}
return &corev1.Service{
TypeMeta: metav1.TypeMeta{
Kind: "Service",
APIVersion: "v1",
},
ObjectMeta: metav1.ObjectMeta{
Name: cr.Spec.General.ServiceName + "-exposed",
Namespace: cr.Namespace,
Labels: labels,
},
Spec: corev1.ServiceSpec{
Ports: []corev1.ServicePort{
{
Name: "http",
Protocol: "TCP",
Port: cr.Spec.General.HttpPort,
TargetPort: intstr.IntOrString{
IntVal: cr.Spec.General.HttpPort,
},
},
},
Selector: labels,
Type: "NodePort",
},
}
}
func NewBootstrapPod(
cr *opsterv1.OpenSearchCluster,
volumes []corev1.Volume,
volumeMounts []corev1.VolumeMount,
) *corev1.Pod {
labels := map[string]string{
helpers.ClusterLabel: cr.Name,
}
resources := cr.Spec.Bootstrap.Resources
var jvm string
if cr.Spec.Bootstrap.Jvm == "" {
jvm = "-Xmx512M -Xms512M"
} else {
jvm = cr.Spec.Bootstrap.Jvm
}
image := helpers.ResolveImage(cr, nil)
initHelperImage := helpers.ResolveInitHelperImage(cr)
masterRole := helpers.ResolveClusterManagerRole(cr.Spec.General.Version)
probe := corev1.Probe{
PeriodSeconds: 20,
TimeoutSeconds: 5,
FailureThreshold: 10,
SuccessThreshold: 1,
InitialDelaySeconds: 10,
ProbeHandler: corev1.ProbeHandler{TCPSocket: &corev1.TCPSocketAction{Port: intstr.IntOrString{IntVal: cr.Spec.General.HttpPort}}},
}
volumes = append(volumes, corev1.Volume{
Name: "data",
VolumeSource: corev1.VolumeSource{
EmptyDir: &corev1.EmptyDirVolumeSource{},
},
})
volumeMounts = append(volumeMounts, corev1.VolumeMount{
Name: "data",
MountPath: "/usr/share/opensearch/data",
})
podSecurityContext := cr.Spec.General.PodSecurityContext
securityContext := cr.Spec.General.SecurityContext
env := []corev1.EnvVar{
{
Name: "cluster.initial_master_nodes",
Value: BootstrapPodName(cr),
},
{
Name: "discovery.seed_hosts",
Value: DiscoveryServiceName(cr),
},
{
Name: "cluster.name",
Value: cr.Name,
},
{
Name: "network.bind_host",
Value: "0.0.0.0",
},
{
// Make elasticsearch announce its hostname instead of IP so that certificates using the hostname can be verified
Name: "network.publish_host",
ValueFrom: &corev1.EnvVarSource{FieldRef: &corev1.ObjectFieldSelector{APIVersion: "v1", FieldPath: "metadata.name"}},
},
{
Name: "OPENSEARCH_JAVA_OPTS",
Value: jvm,
},
{
Name: "node.roles",
Value: masterRole,
},
{
Name: "http.port",
Value: fmt.Sprint(cr.Spec.General.HttpPort),
},
}
// Append additional config to env vars, use General.AdditionalConfig by default, overwrite with Bootstrap.AdditionalConfig
extraConfig := cr.Spec.General.AdditionalConfig
if cr.Spec.Bootstrap.AdditionalConfig != nil {
extraConfig = cr.Spec.Bootstrap.AdditionalConfig
}
keys := helpers.SortedKeys(extraConfig)
for _, k := range keys {
env = append(env, corev1.EnvVar{
Name: k,
Value: extraConfig[k],
})
}
var initContainers []corev1.Container
if !helpers.SkipInitContainer() {
initContainers = append(initContainers, corev1.Container{
Name: "init",
Image: initHelperImage.GetImage(),
ImagePullPolicy: initHelperImage.GetImagePullPolicy(),
Resources: cr.Spec.InitHelper.Resources,
Command: []string{"sh", "-c"},
Args: []string{"chown -R 1000:1000 /usr/share/opensearch/data"},
SecurityContext: &corev1.SecurityContext{
RunAsUser: pointer.Int64(0),
},
VolumeMounts: []corev1.VolumeMount{
{
Name: "data",
MountPath: "/usr/share/opensearch/data",
},
},
})
}
pod := &corev1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: BootstrapPodName(cr),
Namespace: cr.Namespace,
Labels: labels,
},
Spec: corev1.PodSpec{
Containers: []corev1.Container{
{
Env: env,
Name: "opensearch",
Image: image.GetImage(),
ImagePullPolicy: image.GetImagePullPolicy(),
Resources: resources,
Ports: []corev1.ContainerPort{
{
Name: "http",
ContainerPort: cr.Spec.General.HttpPort,
},
{
Name: "transport",
ContainerPort: 9300,
},
},
StartupProbe: &probe,
LivenessProbe: &probe,
VolumeMounts: volumeMounts,
SecurityContext: securityContext,
},
},
InitContainers: initContainers,
Volumes: volumes,
ServiceAccountName: cr.Spec.General.ServiceAccount,
NodeSelector: cr.Spec.Bootstrap.NodeSelector,
Tolerations: cr.Spec.Bootstrap.Tolerations,
Affinity: cr.Spec.Bootstrap.Affinity,
ImagePullSecrets: image.ImagePullSecrets,
SecurityContext: podSecurityContext,
},
}
if cr.Spec.General.SetVMMaxMapCount {
pod.Spec.InitContainers = append(pod.Spec.InitContainers, corev1.Container{
Name: "init-sysctl",
Image: initHelperImage.GetImage(),
ImagePullPolicy: initHelperImage.GetImagePullPolicy(),
Resources: cr.Spec.InitHelper.Resources,
Command: []string{
"sysctl",
"-w",
"vm.max_map_count=262144",
},
SecurityContext: &corev1.SecurityContext{
Privileged: pointer.Bool(true),
},
})
}
return pod
}
func PortForCluster(cr *opsterv1.OpenSearchCluster) int32 {
httpPort := int32(9200)
if cr.Spec.General.HttpPort > 0 {
httpPort = cr.Spec.General.HttpPort
}
return httpPort
}
func URLForCluster(cr *opsterv1.OpenSearchCluster) string {
httpPort := PortForCluster(cr)
return fmt.Sprintf("https://%s.svc.%s:%d", DnsOfService(cr), helpers.ClusterDnsBase(), httpPort)
}
func PasswordSecret(cr *opsterv1.OpenSearchCluster, username, password string) *corev1.Secret {
return &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: fmt.Sprintf("%s-admin-password", cr.Name),
Namespace: cr.Namespace,
},
StringData: map[string]string{
"username": username,
"password": password,
},
}
}
func DnsOfService(cr *opsterv1.OpenSearchCluster) string {
return fmt.Sprintf("%s.%s", cr.Spec.General.ServiceName, cr.Namespace)
}
func StsName(cr *opsterv1.OpenSearchCluster, nodePool *opsterv1.NodePool) string {
return cr.Name + "-" + nodePool.Component
}
func DiscoveryServiceName(cr *opsterv1.OpenSearchCluster) string {
return fmt.Sprintf("%s-discovery", cr.Name)
}
func BootstrapPodName(cr *opsterv1.OpenSearchCluster) string {
return fmt.Sprintf("%s-bootstrap-0", cr.Name)
}
func STSInNodePools(sts appsv1.StatefulSet, nodepools []opsterv1.NodePool) bool {
for _, nodepool := range nodepools {
if sts.Labels[helpers.NodePoolLabel] == nodepool.Component {
return true
}
}
return false
}
func NewSecurityconfigUpdateJob(
instance *opsterv1.OpenSearchCluster,
jobName string,
namespace string,
checksum string,
adminCertName string,
cmdArg string,
volumes []corev1.Volume,
volumeMounts []corev1.VolumeMount,
) batchv1.Job {
// Dummy node spec required to resolve image
node := opsterv1.NodePool{
Component: "securityconfig",
}
volumes = append(volumes, corev1.Volume{