istio

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// Copyright Istio Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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//     http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package helmreconciler
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import (
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	"fmt"
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	"istio.io/istio/operator/pkg/controlplane"
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	"istio.io/istio/operator/pkg/name"
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	"istio.io/istio/operator/pkg/translate"
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	"istio.io/istio/operator/pkg/validate"
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)
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// RenderCharts renders charts for h.
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func (h *HelmReconciler) RenderCharts() (name.ManifestMap, error) {
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	iopSpec := h.iop.Spec
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	if err := validate.CheckIstioOperatorSpec(iopSpec, false); err != nil {
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		if !h.opts.Force {
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			return nil, err
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		}
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		h.opts.Log.PrintErr(fmt.Sprintf("spec invalid; continuing because of --force: %v\n", err))
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	}
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	t := translate.NewTranslator()
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	ver, err := h.kubeClient.GetKubernetesVersion()
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	if err != nil {
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		return nil, err
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	}
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	cp, err := controlplane.NewIstioControlPlane(iopSpec, t, nil, ver)
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	if err != nil {
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		return nil, err
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	}
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	if err := cp.Run(); err != nil {
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		return nil, fmt.Errorf("failed to create Istio control plane with spec: \n%v\nerror: %s", iopSpec, err)
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	}
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	manifests, errs := cp.RenderManifest()
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	if errs != nil {
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		err = errs.ToError()
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	}
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	h.manifests = manifests
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	return manifests, err
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}
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