/
vmi.go
258 lines (235 loc) · 8.98 KB
/
vmi.go
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// Copyright (c) 2022, 2023, Oracle and/or its affiliates.
// Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
package opensearch
import (
"fmt"
vmov1 "github.com/verrazzano/verrazzano-monitoring-operator/pkg/apis/vmcontroller/v1"
"k8s.io/apimachinery/pkg/api/resource"
vzapi "github.com/verrazzano/verrazzano/platform-operator/apis/verrazzano/v1alpha1"
"github.com/verrazzano/verrazzano/platform-operator/controllers/verrazzano/component/common"
"github.com/verrazzano/verrazzano/platform-operator/controllers/verrazzano/component/spi"
)
const (
system = "system"
)
// updateFunc is passed into CreateOrUpdateVMI to create the necessary VMI resources
func updateFunc(ctx spi.ComponentContext, storage *common.ResourceRequestValues, vmi *vmov1.VerrazzanoMonitoringInstance, existingVMI *vmov1.VerrazzanoMonitoringInstance) error {
hasDataNodeOverride := hasNodeStorageOverride(ctx.ActualCR(), "nodes.data.requests.storage")
hasMasterNodeOverride := hasNodeStorageOverride(ctx.ActualCR(), "nodes.master.requests.storage")
opensearch, err := newOpenSearch(ctx.EffectiveCR(), ctx.ActualCR(), storage, existingVMI, hasDataNodeOverride, hasMasterNodeOverride)
if err != nil {
return err
}
vmi.Spec.Opensearch = *opensearch
return nil
}
func hasNodeStorageOverride(cr *vzapi.Verrazzano, override string) bool {
openSearch := cr.Spec.Components.Elasticsearch
if openSearch == nil {
return false
}
for _, arg := range openSearch.ESInstallArgs {
if arg.Name == override {
return true
}
}
return false
}
func actualCRNodes(cr *vzapi.Verrazzano) map[string]vzapi.OpenSearchNode {
nodeMap := map[string]vzapi.OpenSearchNode{}
if cr != nil && cr.Spec.Components.Elasticsearch != nil {
for _, node := range cr.Spec.Components.Elasticsearch.Nodes {
nodeMap[node.Name] = node
}
}
return nodeMap
}
// newOpenSearch creates a new OpenSearch resource for the VMI
// The storage settings for OpenSearch nodes follow this order of precedence:
// 1. ESInstallArgs values
// 2. VolumeClaimTemplate overrides
// 3. Profile values (which show as ESInstallArgs in the ActualCR)
// The data node storage may be changed on update. The master node storage may NOT.
func newOpenSearch(effectiveCR, actualCR *vzapi.Verrazzano, storage *common.ResourceRequestValues, vmi *vmov1.VerrazzanoMonitoringInstance, hasDataOverride, hasMasterOverride bool) (*vmov1.Opensearch, error) {
if effectiveCR.Spec.Components.Elasticsearch == nil {
return &vmov1.Opensearch{}, nil
}
opensearchComponent := effectiveCR.Spec.Components.Elasticsearch
opensearch := &vmov1.Opensearch{
Enabled: opensearchComponent.Enabled != nil && *opensearchComponent.Enabled,
Storage: vmov1.Storage{},
MasterNode: vmov1.ElasticsearchNode{
Resources: vmov1.Resources{},
},
IngestNode: vmov1.ElasticsearchNode{
Resources: vmov1.Resources{
RequestMemory: "4.8Gi",
},
},
DataNode: vmov1.ElasticsearchNode{
Resources: vmov1.Resources{
RequestMemory: "2.5Gi",
},
},
// adapt the VPO node list to VMI node list
Nodes: nodeAdapter(effectiveCR, vmi, effectiveCR.Spec.Components.Elasticsearch.Nodes, actualCRNodes(actualCR), storage),
}
// Proxy any ISM policies to the VMI
for _, policy := range opensearchComponent.Policies {
opensearch.Policies = append(opensearch.Policies, *policy.DeepCopy())
}
// Set the OpenSearch Plugins to the VMI
opensearch.Plugins = opensearchComponent.Plugins
// Set the DisableDefaultPolicy flag to VMI
opensearch.DisableDefaultPolicy = opensearchComponent.DisableDefaultPolicy
// Set the values in the OpenSearch object from the Verrazzano component InstallArgs
if err := populateOpenSearchFromInstallArgs(opensearch, opensearchComponent); err != nil {
return nil, err
}
setVolumeClaimOverride := func(nodeStorage *vmov1.Storage, hasInstallOverride bool) *vmov1.Storage {
// Use the volume claim override IFF it is present AND the user did not specify a data node storage override
if !hasInstallOverride && storage != nil && len(storage.Storage) > 0 {
nodeStorage = &vmov1.Storage{
Size: storage.Storage,
}
}
return nodeStorage
}
opensearch.MasterNode.Storage = setVolumeClaimOverride(opensearch.MasterNode.Storage, hasMasterOverride)
opensearch.DataNode.Storage = setVolumeClaimOverride(opensearch.DataNode.Storage, hasDataOverride)
if vmi != nil {
if vmi.Spec.Opensearch.MasterNode.Replicas > 0 {
// set to old storage if present
opensearch.MasterNode.Storage = &vmov1.Storage{
Size: vmi.Spec.Opensearch.Storage.Size,
}
// otherwise use node storage
if vmi.Spec.Opensearch.MasterNode.Storage != nil {
opensearch.MasterNode.Storage.Size = vmi.Spec.Opensearch.MasterNode.Storage.Size
}
}
// PVC Names should be preserved
if opensearch.DataNode.Storage == nil {
opensearch.DataNode.Storage = &vmov1.Storage{
Size: vmi.Spec.Opensearch.Storage.Size,
}
}
if vmi.Spec.Opensearch.Storage.PvcNames != nil {
opensearch.DataNode.Storage.PvcNames = vmi.Spec.Opensearch.Storage.PvcNames
}
}
return opensearch, nil
}
// populateOpenSearchFromInstallArgs loops through each of the install args and sets their value in the corresponding
// OpenSearch object
func populateOpenSearchFromInstallArgs(opensearch *vmov1.Opensearch, opensearchComponent *vzapi.ElasticsearchComponent) error {
intSetter := func(val *int32, arg vzapi.InstallArgs) error {
var intVal int32
_, err := fmt.Sscan(arg.Value, &intVal)
if err != nil {
return err
}
*val = intVal
return nil
}
// The install args were designed for helm chart, not controller code.
// The switch statement is a shim around this design.
for _, arg := range opensearchComponent.ESInstallArgs {
switch arg.Name {
case "nodes.master.replicas":
if err := intSetter(&opensearch.MasterNode.Replicas, arg); err != nil {
return err
}
case "nodes.master.requests.memory":
opensearch.MasterNode.Resources.RequestMemory = arg.Value
case "nodes.ingest.replicas":
if err := intSetter(&opensearch.IngestNode.Replicas, arg); err != nil {
return err
}
case "nodes.ingest.requests.memory":
opensearch.IngestNode.Resources.RequestMemory = arg.Value
case "nodes.data.replicas":
if err := intSetter(&opensearch.DataNode.Replicas, arg); err != nil {
return err
}
case "nodes.data.requests.memory":
opensearch.DataNode.Resources.RequestMemory = arg.Value
case "nodes.data.requests.storage":
opensearch.DataNode.Storage = &vmov1.Storage{
Size: arg.Value,
}
case "nodes.master.requests.storage":
opensearch.MasterNode.Storage = &vmov1.Storage{
Size: arg.Value,
}
}
}
return nil
}
func nodeAdapter(effectiveCR *vzapi.Verrazzano, vmi *vmov1.VerrazzanoMonitoringInstance, nodes []vzapi.OpenSearchNode, actualCRNodes map[string]vzapi.OpenSearchNode, storage *common.ResourceRequestValues) []vmov1.ElasticsearchNode {
getQuantity := func(q *resource.Quantity) string {
if q == nil || q.String() == "0" {
return ""
}
return q.String()
}
var vmoNodes []vmov1.ElasticsearchNode
for _, node := range nodes { // node is the merged profile node
resources := vmov1.Resources{}
if node.Resources != nil {
resources.RequestCPU = getQuantity(node.Resources.Requests.Cpu())
resources.LimitCPU = getQuantity(node.Resources.Limits.Cpu())
resources.RequestMemory = getQuantity(node.Resources.Requests.Memory())
resources.LimitMemory = getQuantity(node.Resources.Limits.Memory())
}
vmoNode := vmov1.ElasticsearchNode{
Name: node.Name,
JavaOpts: node.JavaOpts,
Replicas: *node.Replicas,
Roles: node.Roles,
Resources: resources,
Storage: &vmov1.Storage{
Size: findStorageForNode(effectiveCR, node, actualCRNodes, storage),
},
}
// if the node was present in an existing VMI and has PVC names, they should be carried over
setPVCNames(vmi, &vmoNode)
vmoNodes = append(vmoNodes, vmoNode)
}
return vmoNodes
}
func findStorageForNode(effectiveCR *vzapi.Verrazzano, node vzapi.OpenSearchNode, actualCRNodes map[string]vzapi.OpenSearchNode, storage *common.ResourceRequestValues) string {
var storageSize string
// Profile storage has the lowest precedence
if node.Storage != nil {
storageSize = node.Storage.Size
}
// volume claim storage has second precedence
if storage != nil && storage.Storage != "" {
storageSize = storage.Storage
}
// if using EmptyDir, zero out profile storage
if effectiveCR.Spec.DefaultVolumeSource != nil && effectiveCR.Spec.DefaultVolumeSource.EmptyDir != nil {
storageSize = ""
}
// user defined storage has the highest precedence
if actualCRNode, ok := actualCRNodes[node.Name]; ok {
if actualCRNode.Storage != nil {
storageSize = actualCRNode.Storage.Size
}
}
return storageSize
}
// setPVCNames persists any PVC names from an existing VMI
func setPVCNames(vmi *vmov1.VerrazzanoMonitoringInstance, node *vmov1.ElasticsearchNode) {
if vmi != nil {
for _, nodeGroup := range vmi.Spec.Opensearch.Nodes {
if nodeGroup.Name == node.Name {
if nodeGroup.Storage != nil {
node.Storage.PvcNames = nodeGroup.Storage.PvcNames
}
return
}
}
}
}