/
crd.go
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/
crd.go
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// Copyright 2024 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 prometheusoperator
import (
"context"
_ "embed"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/gardener/gardener/pkg/client/kubernetes"
"github.com/gardener/gardener/pkg/component"
"github.com/gardener/gardener/pkg/utils/flow"
)
var (
//go:embed templates/crd-monitoring.coreos.com_alertmanagerconfigs.yaml
crdAlertmanagerConfigs string
//go:embed templates/crd-monitoring.coreos.com_alertmanagers.yaml
crdAlertmanagers string
//go:embed templates/crd-monitoring.coreos.com_podmonitors.yaml
crdPodMonitors string
//go:embed templates/crd-monitoring.coreos.com_probes.yaml
crdProbes string
//go:embed templates/crd-monitoring.coreos.com_prometheusagents.yaml
crdPrometheusAgents string
//go:embed templates/crd-monitoring.coreos.com_prometheuses.yaml
crdPrometheuses string
//go:embed templates/crd-monitoring.coreos.com_prometheusrules.yaml
crdPrometheusRules string
//go:embed templates/crd-monitoring.coreos.com_scrapeconfigs.yaml
crdScrapeConfigs string
//go:embed templates/crd-monitoring.coreos.com_servicemonitors.yaml
crdServiceMonitors string
//go:embed templates/crd-monitoring.coreos.com_thanosrulers.yaml
crdThanosRulers string
resources []string
)
func init() {
resources = append(resources,
crdAlertmanagerConfigs,
crdAlertmanagers,
crdPodMonitors,
crdProbes,
crdPrometheusAgents,
crdPrometheuses,
crdPrometheusRules,
crdScrapeConfigs,
crdServiceMonitors,
crdThanosRulers,
)
}
type crdDeployer struct {
applier kubernetes.Applier
}
// NewCRDs can be used to deploy the CRD definitions for the Prometheus Operator.
func NewCRDs(applier kubernetes.Applier) component.Deployer {
return &crdDeployer{applier: applier}
}
func (c *crdDeployer) 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)
}
func (c *crdDeployer) 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)
}