istio.io/istio@v0.0.0-20240520182934-d79c90f27776/operator/pkg/helmreconciler/render.go (about)

     1  // Copyright Istio Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package helmreconciler
    16  
    17  import (
    18  	"fmt"
    19  
    20  	"istio.io/istio/operator/pkg/controlplane"
    21  	"istio.io/istio/operator/pkg/name"
    22  	"istio.io/istio/operator/pkg/translate"
    23  	"istio.io/istio/operator/pkg/validate"
    24  )
    25  
    26  // RenderCharts renders charts for h.
    27  func (h *HelmReconciler) RenderCharts() (name.ManifestMap, error) {
    28  	iopSpec := h.iop.Spec
    29  	if err := validate.CheckIstioOperatorSpec(iopSpec, false); err != nil {
    30  		if !h.opts.Force {
    31  			return nil, err
    32  		}
    33  		h.opts.Log.PrintErr(fmt.Sprintf("spec invalid; continuing because of --force: %v\n", err))
    34  	}
    35  
    36  	t := translate.NewTranslator()
    37  	ver, err := h.kubeClient.GetKubernetesVersion()
    38  	if err != nil {
    39  		return nil, err
    40  	}
    41  	cp, err := controlplane.NewIstioControlPlane(iopSpec, t, nil, ver)
    42  	if err != nil {
    43  		return nil, err
    44  	}
    45  	if err := cp.Run(); err != nil {
    46  		return nil, fmt.Errorf("failed to create Istio control plane with spec: \n%v\nerror: %s", iopSpec, err)
    47  	}
    48  
    49  	manifests, errs := cp.RenderManifest()
    50  	if errs != nil {
    51  		err = errs.ToError()
    52  	}
    53  
    54  	h.manifests = manifests
    55  
    56  	return manifests, err
    57  }