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crds.go
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crds.go
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package qliksense
import (
"fmt"
"os"
"path/filepath"
"github.com/mitchellh/go-homedir"
qapi "github.com/qlik-oss/sense-installer/pkg/api"
apixv1beta1client "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1beta1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/clientcmd"
"sigs.k8s.io/kustomize/api/k8sdeps/kunstruct"
"sigs.k8s.io/kustomize/api/resmap"
"sigs.k8s.io/kustomize/api/resource"
)
type CrdCommandOptions struct {
All bool
}
func (q *Qliksense) ViewCrds(opts *CrdCommandOptions) error {
//io.WriteString(os.Stdout, q.GetCRDString())
qConfig := qapi.NewQConfig(q.QliksenseHome)
qcr, err := qConfig.GetCurrentCR()
if err != nil {
fmt.Println("cannot get the current-context cr", err)
return err
}
engineCRD, err := getQliksenseInitCrds(qcr)
if err != nil {
return err
}
customCrd, err := getCustomCrds(qcr)
if err != nil {
return nil
}
fmt.Println(engineCRD)
if customCrd != "" {
fmt.Println("---")
fmt.Println(customCrd)
}
if opts.All {
fmt.Println("---")
fmt.Printf("%s", q.GetOperatorCRDString())
}
return nil
}
func (q *Qliksense) InstallCrds(opts *CrdCommandOptions) error {
// install qliksense-init crd
qConfig := qapi.NewQConfig(q.QliksenseHome)
qcr, err := qConfig.GetCurrentCR()
if err != nil {
fmt.Println("cannot get the current-context cr", err)
return err
}
if engineCRD, err := getQliksenseInitCrds(qcr); err != nil {
return err
} else if err = qapi.KubectlApply(engineCRD, ""); err != nil {
return err
}
if customCrd, err := getCustomCrds(qcr); err != nil {
return err
} else if customCrd != "" {
if err = qapi.KubectlApply(customCrd, ""); err != nil {
return err
}
}
if opts.All { // install opeartor crd
if err := qapi.KubectlApply(q.GetOperatorCRDString(), ""); err != nil {
fmt.Println("cannot do kubectl apply on opeartor CRD", err)
return err
}
}
return nil
}
func getQliksenseInitCrds(qcr *qapi.QliksenseCR) (string, error) {
var repoPath string
var err error
if qcr.Spec.GetManifestsRoot() != "" {
repoPath = qcr.Spec.GetManifestsRoot()
} else {
if repoPath, err = DownloadFromGitRepoToTmpDir(defaultConfigRepoGitUrl, "master"); err != nil {
return "", err
}
}
qInitMsPath := filepath.Join(repoPath, Q_INIT_CRD_PATH)
if _, err := os.Lstat(qInitMsPath); err != nil {
// older version of qliksense-init used
qInitMsPath = filepath.Join(repoPath, "manifests/base/manifests/qliksense-init")
}
qInitByte, err := ExecuteKustomizeBuild(qInitMsPath)
if err != nil {
fmt.Println("cannot generate crds for qliksense-init", err)
return "", err
}
return string(qInitByte), nil
}
func getCustomCrds(qcr *qapi.QliksenseCR) (string, error) {
crdPath := qcr.GetCustomCrdsPath()
if crdPath == "" {
return "", nil
}
qInitByte, err := ExecuteKustomizeBuild(crdPath)
if err != nil {
fmt.Println("cannot generate custom crds", err)
return "", err
}
return string(qInitByte), nil
}
func (q *Qliksense) CheckAllCrdsInstalled() (bool, error) {
qConfig := qapi.NewQConfig(q.QliksenseHome)
qcr, err := qConfig.GetCurrentCR()
if err != nil {
return false, err
}
customResourceDefinitionInterface, err := getCustomResourceDefinitionInterface()
if err != nil {
return false, err
}
if engineCRDs, err := getQliksenseInitCrds(qcr); err != nil {
return false, err
} else if allInstalled, err := checkCrdsInstalled(engineCRDs, customResourceDefinitionInterface); err != nil {
return false, err
} else if !allInstalled {
return false, nil
}
if customCrds, err := getCustomCrds(qcr); err != nil {
return false, err
} else if allInstalled, err := checkCrdsInstalled(customCrds, customResourceDefinitionInterface); err != nil {
return false, err
} else if !allInstalled {
return false, nil
}
if allInstalled, err := checkCrdsInstalled(q.GetOperatorCRDString(), customResourceDefinitionInterface); err != nil {
return false, err
} else if !allInstalled {
return false, nil
}
return true, nil
}
func checkCrdsInstalled(crds string, customResourceDefinitionInterface apixv1beta1client.CustomResourceDefinitionInterface) (bool, error) {
kuzResourceFactory := resmap.NewFactory(resource.NewFactory(kunstruct.NewKunstructuredFactoryImpl()), nil)
if kuzResMap, err := kuzResourceFactory.NewResMapFromBytes([]byte(crds)); err != nil {
return false, err
} else {
for _, kuzRes := range kuzResMap.Resources() {
if customResourceDefinition, err := customResourceDefinitionInterface.Get(kuzRes.GetName(), v1.GetOptions{}); err != nil && apierrors.IsNotFound(err) {
return false, nil
} else if err != nil {
return false, err
} else if customResourceDefinition == nil {
return false, fmt.Errorf("failed looking up crd: %v", kuzRes.GetName())
}
}
return true, nil
}
}
func getCustomResourceDefinitionInterface() (apixv1beta1client.CustomResourceDefinitionInterface, error) {
homeDir, err := homedir.Dir()
if err != nil {
return nil, err
}
kubeconfigPath := filepath.Join(homeDir, ".kube", "config")
k8sRestConfig, err := clientcmd.BuildConfigFromFlags("", kubeconfigPath)
if err != nil {
return nil, err
}
apixClient, err := apixv1beta1client.NewForConfig(k8sRestConfig)
if err != nil {
return nil, err
}
return apixClient.CustomResourceDefinitions(), nil
}