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crds.go
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crds.go
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// Copyright (c) 2022 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fluentoperator
import (
"context"
_ "embed"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/operation/botanist/component"
"github.com/gardener/gardener/pkg/utils/flow"
)
var (
//go:embed assets/crd-fluentbit.fluent.io_clusterfilters.yaml
clusterFilterCRD string
//go:embed assets/crd-fluentbit.fluent.io_clusterfluentbitconfigs.yaml
clusterFBConfigCRD string
//go:embed assets/crd-fluentbit.fluent.io_clusterinputs.yaml
clusterInputCRD string
//go:embed assets/crd-fluentbit.fluent.io_clusteroutputs.yaml
clusterOutputCRD string
//go:embed assets/crd-fluentbit.fluent.io_clusterparsers.yaml
clusterParserCRD string
//go:embed assets/crd-fluentbit.fluent.io_fluentbits.yaml
fluentBitCRD string
resources []string
)
func init() {
resources = append(resources,
clusterFilterCRD,
clusterFBConfigCRD,
clusterInputCRD,
clusterOutputCRD,
clusterParserCRD,
fluentBitCRD,
)
}
type crds struct {
applier kubernetes.Applier
}
// NewCRDs can be used to deploy fluent operator CRDs.
func NewCRDs(a kubernetes.Applier) component.DeployWaiter {
return &crds{
applier: a,
}
}
// Deploy creates and updates the CRD definitions for the fluent operator.
func (c *crds) Deploy(ctx context.Context) error {
var fns []flow.TaskFn
for _, resource := range resources {
r := resource
fns = append(fns, func(ctx context.Context) error {
return c.applier.ApplyManifest(ctx, kubernetes.NewManifestReader([]byte(r)), kubernetes.DefaultMergeFuncs)
})
}
return flow.Parallel(fns...)(ctx)
}
// Destroy deletes the CRDs for the fluent operator
func (c *crds) Destroy(ctx context.Context) error {
var fns []flow.TaskFn
for _, resource := range resources {
r := resource
fns = append(fns, func(ctx context.Context) error {
return client.IgnoreNotFound(c.applier.DeleteManifest(ctx, kubernetes.NewManifestReader([]byte(r))))
})
}
return flow.Parallel(fns...)(ctx)
}
// Wait does nothing
func (c *crds) Wait(ctx context.Context) error {
return nil
}
// WaitCleanup does nothing
func (c *crds) WaitCleanup(ctx context.Context) error {
return nil
}