mirror of https://github.com/kubernetes/kops.git
75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package templater
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import (
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"text/template"
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"github.com/Masterminds/sprig/v3"
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"github.com/blang/semver/v4"
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"k8s.io/kops"
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kopsapi "k8s.io/kops/pkg/apis/kops"
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"k8s.io/kops/pkg/apis/kops/util"
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"k8s.io/kops/util/pkg/architectures"
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)
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// templateFuncsMap returns a map if the template functions for this template
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func (r *Templater) templateFuncsMap(tm *template.Template) template.FuncMap {
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// grab the template functions from sprig which are pretty awesome
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funcs := sprig.TxtFuncMap()
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funcs["indent"] = indentContent
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// @step: as far as i can see there's no native way in sprig in include external snippets of code
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funcs["include"] = func(name string, context map[string]interface{}) string {
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content, err := includeSnippet(tm, name, context)
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if err != nil {
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panic(err.Error())
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}
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return content
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}
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funcs["ChannelRecommendedKubernetesUpgradeVersion"] = func(version string) string {
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parsed, err := util.ParseKubernetesVersion(version)
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if err != nil {
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panic(err.Error())
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}
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versionInfo := kopsapi.FindKubernetesVersionSpec(r.channel.Spec.KubernetesVersions, *parsed)
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recommended, err := versionInfo.FindRecommendedUpgrade(*parsed)
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if err != nil {
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panic(err.Error())
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}
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return recommended.String()
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}
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funcs["ChannelRecommendedKopsKubernetesVersion"] = func() string {
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return kopsapi.RecommendedKubernetesVersion(r.channel, kops.Version).String()
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}
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funcs["ChannelRecommendedImage"] = func(cloud, k8sVersion string, architecture architectures.Architecture) string {
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ver, _ := semver.ParseTolerant(k8sVersion)
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imageSpec := r.channel.FindImage(kopsapi.CloudProviderID(cloud), ver, architecture)
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return imageSpec.Name
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}
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return funcs
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}
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