unkin-agent
9da206dc7c
PVCs and CloudNativePG Clusters need S3 buckets and backup schedules
provisioned consistently. This operator watches the
backups.unkin.net/{schedule,destination} annotations on those objects and
provisions everything needed to back them up, with no new CRDs.
- Add a PVC controller that provisions cephrgw ObjectStoreUser/Bucket/BucketAccess,
auto-generates a restic repo-password Secret and creates a k8up Schedule scoped
to the PVC via spec.backup.volumes[].persistentVolumeClaim.claimName.
- Add a CNPG Cluster controller that provisions the same bucket stack, idempotently
patches spec.backup.barmanObjectStore (leaving a user-set destinationPath alone
with a Warning event) and creates a ScheduledBackup.
- Resolve destinations through a ConfigMap lookup table; requeue until the
BucketAccess is Ready before creating schedule resources; own-reference created
resources and retain bucket data by default.
- Add schedule-mapping helpers (k8up 5-field/shortcut pass-through, CNPG 6-field
seconds-first) and deterministic, length-bounded name derivation.
- Add unit tests (schedule mapping, name derivation, destination resolution) and
envtest controller tests for both paths, wiring the external CRDs into envtest.
- Add kubebuilder-generated RBAC, a Dockerfile (distroless/nonroot), Woodpecker
lint/test/build pipelines and a tag-triggered image push to the artifactapi
docker-internal registry, plus a version-bump Makefile and deploy manifests.
51 lines
2.2 KiB
Go
51 lines
2.2 KiB
Go
/*
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Copyright 2024 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 validate holds API validation functions which are designed for use
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// with the k8s.io/code-generator/cmd/validation-gen tool. Each validation
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// function has a similar fingerprint:
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//
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// func <Name>(ctx context.Context,
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// op operation.Operation,
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// fldPath *field.Path,
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// value, oldValue <nilable type>,
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// <other args...>) field.ErrorList
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//
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// The value and oldValue arguments will always be a nilable type. If the
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// original value was a string, these will be a *string. If the original value
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// was a slice or map, these will be the same slice or map type.
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//
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// For a CREATE operation, the oldValue will always be nil. For an UPDATE
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// operation, either value or oldValue may be nil, e.g. when adding or removing
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// a value in a list-map. Validators which care about UPDATE operations should
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// look at the opCtx argument to know which operation is being executed.
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//
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// Tightened validation (also known as ratcheting validation) is supported by
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// defining a new validation function. For example:
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//
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// func TightenedMaxLength(ctx context.Context, op operation.Operation, fldPath *field.Path, value, oldValue *string) field.ErrorList {
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// if oldValue != nil && len(MaxLength(ctx, op, fldPath, oldValue, nil)) > 0 {
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// // old value is not valid, so this value skips the tightened validation
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// return nil
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// }
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// return MaxLength(ctx, op, fldPath, value, nil)
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// }
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//
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// In general, we cannot distinguish a non-specified slice or map from one that
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// is specified but empty. Validators should not rely on nil values, but use
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// len() instead.
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package validate
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