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chartoptions.go
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chartoptions.go
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// SPDX-FileCopyrightText: 2024 SAP SE or an SAP affiliate company and Gardener contributors
//
// SPDX-License-Identifier: Apache-2.0
package kubernetes
import (
"k8s.io/apimachinery/pkg/runtime/schema"
)
// ApplyOption is some configuration that modifies options for a apply request.
type ApplyOption interface {
// MutateApplyOptions applies this configuration to the given apply options.
MutateApplyOptions(opts *ApplyOptions)
}
// ApplyOptions contains options for apply requests
type ApplyOptions struct {
// Values to pass to chart.
Values interface{}
// Additional MergeFunctions.
MergeFuncs MergeFuncs
// Forces the namespace for chart objects when applying the chart, this is because sometimes native chart
// objects do not come with a Release.Namespace option and leave the namespace field empty
ForceNamespace bool
}
// Values applies values to ApplyOptions or DeleteOptions.
var Values = func(values interface{}) ValueOption { return &withValue{values} }
type withValue struct {
values interface{}
}
func (v withValue) MutateApplyOptions(opts *ApplyOptions) {
opts.Values = v.values
}
func (v withValue) MutateDeleteOptions(opts *DeleteOptions) {
opts.Values = v.values
}
// MergeFuncs can be used modify the default merge functions for ApplyOptions:
//
// Apply(ctx, "chart", "my-ns", "my-release", MergeFuncs{
// corev1.SchemeGroupVersion.WithKind("Service").GroupKind(): func(newObj, oldObj *unstructured.Unstructured) {
// newObj.SetAnnotations(map[string]string{"foo":"bar"})
// }
// })
type MergeFuncs map[schema.GroupKind]MergeFunc
// MutateApplyOptions applies this configuration to the given apply options.
func (m MergeFuncs) MutateApplyOptions(opts *ApplyOptions) {
opts.MergeFuncs = m
}
// ForceNamespace can be used for native chart objects do not come with
// a Release.Namespace option and leave the namespace field empty.
var ForceNamespace = forceNamespace{}
type forceNamespace struct{}
func (forceNamespace) MutateApplyOptions(opts *ApplyOptions) {
opts.ForceNamespace = true
}
func (forceNamespace) MutateDeleteOptions(opts *DeleteOptions) {
opts.ForceNamespace = true
}
// ValueOption contains value options for Apply and Delete.
type ValueOption interface {
ApplyOption
DeleteOption
}
// DeleteOption is some configuration that modifies options for a delete request.
type DeleteOption interface {
// MutateDeleteOptions applies this configuration to the given delete options.
MutateDeleteOptions(opts *DeleteOptions)
}
// DeleteOptions contains options for delete requests
type DeleteOptions struct {
// Values to pass to chart.
Values interface{}
// Forces the namespace for chart objects when applying the chart, this is because sometimes native chart
// objects do not come with a Release.Namespace option and leave the namespace field empty
ForceNamespace bool
// TolerateErrorFuncs are functions for which errors are tolerated.
TolerateErrorFuncs []TolerateErrorFunc
}
// TolerateErrorFunc is a function for which err is tolerated.
type TolerateErrorFunc func(err error) bool
// MutateDeleteOptions applies this configuration to the given delete options.
func (t TolerateErrorFunc) MutateDeleteOptions(opts *DeleteOptions) {
if opts.TolerateErrorFuncs == nil {
opts.TolerateErrorFuncs = []TolerateErrorFunc{}
}
opts.TolerateErrorFuncs = append(opts.TolerateErrorFuncs, t)
}
// MutateDeleteManifestOptions applies this configuration to the given delete manifest options.
func (t TolerateErrorFunc) MutateDeleteManifestOptions(opts *DeleteManifestOptions) {
if opts.TolerateErrorFuncs == nil {
opts.TolerateErrorFuncs = []TolerateErrorFunc{}
}
opts.TolerateErrorFuncs = append(opts.TolerateErrorFuncs, t)
}