/
manifest.go
226 lines (197 loc) · 6.07 KB
/
manifest.go
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package cnv
import (
"bytes"
"fmt"
"text/template"
"github.com/hashicorp/go-version"
"github.com/openshift/assisted-service/internal/common"
)
const (
UpstreamNamespace string = "kubevirt-hyperconverged"
DownstreamNamespace string = "openshift-cnv"
upstreamSource string = "community-operators"
downstreamSource string = "redhat-operators"
upstreamSourceName string = "community-kubevirt-hyperconverged"
downstreamSourceName string = "kubevirt-hyperconverged"
minimalOpenShiftVersionForHPPSNO string = "4.10.0-0.0"
minimalOpenshiftVersionForLVMOSNO string = "4.12.0-0.0"
)
type manifestConfig struct {
// CNV operator namespace
Namespace string
// CNV operator source from where we fetch HCO image
Source string
// CNV operator source name used to identify HCO
SourceName string
}
func configSource(config Config) manifestConfig {
if config.Mode {
return manifestConfig{Namespace: DownstreamNamespace, Source: downstreamSource, SourceName: downstreamSourceName}
}
return manifestConfig{Namespace: UpstreamNamespace, Source: upstreamSource, SourceName: upstreamSourceName}
}
// Manifests returns manifests needed to deploy CNV
func Manifests(config Config, cluster *common.Cluster) (map[string][]byte, []byte, error) {
configSource := configSource(config)
cnvSubsManifest, err := subscription(configSource)
if err != nil {
return nil, nil, err
}
cnvNs, err := namespace(configSource)
if err != nil {
return nil, nil, err
}
cnvGrp, err := group(configSource)
if err != nil {
return nil, nil, err
}
cnvHco, err := hco(configSource)
if err != nil {
return nil, nil, err
}
openshiftManifests := make(map[string][]byte)
if shouldInstallHPP(config, cluster) {
cnvHpp, err := hpp(config.SNOPoolSizeRequestHPPGib)
if err != nil {
return nil, nil, err
}
// Add HostPathProvisioner to CNV manifest
cnvHco = append(cnvHco, []byte("\n---\n")...)
cnvHco = append(cnvHco, cnvHpp...)
openshiftManifests["50_openshift-cnv_hpp_sc.yaml"] = []byte(cnvHPPStorageClass)
}
openshiftManifests["50_openshift-cnv_subscription.yaml"] = cnvSubsManifest
openshiftManifests["50_openshift-cnv_ns.yaml"] = cnvNs
openshiftManifests["50_openshift-cnv_operator_group.yaml"] = cnvGrp
return openshiftManifests, cnvHco, nil
}
func subscription(config manifestConfig) ([]byte, error) {
data := map[string]string{
"OPERATOR_NAMESPACE": config.Namespace,
"OPERATOR_SUBSCRIPTION_NAME": Operator.SubscriptionName,
"OPERATOR_SOURCE": config.Source,
"OPERATOR_SOURCE_NAME": config.SourceName,
}
return executeTemplate(data, "cnvSubscription", cnvSubscription)
}
func namespace(config manifestConfig) ([]byte, error) {
data := map[string]string{
"OPERATOR_NAMESPACE": config.Namespace,
}
return executeTemplate(data, "cnvNamespace", cnvNamespace)
}
func group(config manifestConfig) ([]byte, error) {
data := map[string]string{
"OPERATOR_NAMESPACE": config.Namespace,
}
return executeTemplate(data, "cnvGroup", cnvGroup)
}
func hco(config manifestConfig) ([]byte, error) {
data := map[string]string{
"OPERATOR_NAMESPACE": config.Namespace,
}
return executeTemplate(data, "cnvHCO", cnvHCOManifestTemplate)
}
func hpp(diskThresholdGi int64) ([]byte, error) {
data := map[string]string{
"STORAGE_SIZE": fmt.Sprintf("%dGi", diskThresholdGi),
}
return executeTemplate(data, "cnvHPP", cnvHPPManifestTemplate)
}
func executeTemplate(data map[string]string, contentName, content string) ([]byte, error) {
tmpl, err := template.New(contentName).Parse(content)
if err != nil {
return nil, err
}
buf := &bytes.Buffer{}
err = tmpl.Execute(buf, data)
if err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func shouldInstallHPP(config Config, cluster *common.Cluster) bool {
if !common.IsSingleNodeCluster(cluster) || !config.SNOInstallHPP {
return false
}
// HPP on SNO is only supported from CNV 4.10 and OCP < 4.12
var err error
var ocpVersion, minimalVersionForHppSno, maximalVersionForHppSno *version.Version
ocpVersion, err = version.NewVersion(cluster.OpenshiftVersion)
if err != nil {
return false
}
minimalVersionForHppSno, err = version.NewVersion(minimalOpenShiftVersionForHPPSNO)
if err != nil {
return false
}
maximalVersionForHppSno, err = version.NewVersion(minimalOpenshiftVersionForLVMOSNO)
if err != nil {
return false
}
if ocpVersion.LessThan(minimalVersionForHppSno) || ocpVersion.GreaterThanOrEqual(maximalVersionForHppSno) {
return false
}
return true
}
const cnvSubscription = `apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
name: "{{.OPERATOR_SUBSCRIPTION_NAME}}"
namespace: "{{.OPERATOR_NAMESPACE}}"
spec:
source: "{{.OPERATOR_SOURCE}}"
sourceNamespace: openshift-marketplace
name: "{{.OPERATOR_SOURCE_NAME}}"
channel: stable
installPlanApproval: "Automatic"`
const cnvNamespace = `apiVersion: v1
kind: Namespace
metadata:
name: "{{.OPERATOR_NAMESPACE}}"`
const cnvGroup = `apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
name: kubevirt-hyperconverged-group
namespace: "{{.OPERATOR_NAMESPACE}}"
spec:
targetNamespaces:
- "{{.OPERATOR_NAMESPACE}}"`
const cnvHCOManifestTemplate = `apiVersion: hco.kubevirt.io/v1beta1
kind: HyperConverged
metadata:
name: kubevirt-hyperconverged
namespace: "{{.OPERATOR_NAMESPACE}}"
spec:
BareMetalPlatform: true`
const cnvHPPManifestTemplate = `apiVersion: hostpathprovisioner.kubevirt.io/v1beta1
kind: HostPathProvisioner
metadata:
name: hostpath-provisioner
spec:
imagePullPolicy: IfNotPresent
storagePools:
- name: sno
pvcTemplate:
storageClassName: localblock-sc
volumeMode: Block
accessModes:
- ReadWriteOnce
resources:
requests:
storage: "{{.STORAGE_SIZE}}"
path: "/var/hpvolumes"
workload:
nodeSelector:
kubernetes.io/os: linux`
const cnvHPPStorageClass = `apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
annotations:
storageclass.kubernetes.io/is-default-class: "true"
name: sno-storage
provisioner: kubevirt.io.hostpath-provisioner
reclaimPolicy: Delete
volumeBindingMode: Immediate
parameters:
storagePool: sno`