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.
120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
// Copyright The Prometheus 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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package procfs
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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// TLSStat struct represents data in /proc/net/tls_stat.
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// See https://docs.kernel.org/networking/tls.html#statistics
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type TLSStat struct {
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// number of TX sessions currently installed where host handles cryptography
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TLSCurrTxSw int
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// number of RX sessions currently installed where host handles cryptography
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TLSCurrRxSw int
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// number of TX sessions currently installed where NIC handles cryptography
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TLSCurrTxDevice int
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// number of RX sessions currently installed where NIC handles cryptography
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TLSCurrRxDevice int
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//number of TX sessions opened with host cryptography
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TLSTxSw int
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//number of RX sessions opened with host cryptography
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TLSRxSw int
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// number of TX sessions opened with NIC cryptography
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TLSTxDevice int
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// number of RX sessions opened with NIC cryptography
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TLSRxDevice int
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// record decryption failed (e.g. due to incorrect authentication tag)
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TLSDecryptError int
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// number of RX resyncs sent to NICs handling cryptography
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TLSRxDeviceResync int
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// number of RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction. Note that this counter will also increment for non-data records.
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TLSDecryptRetry int
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// number of data RX records which had to be re-decrypted due to TLS_RX_EXPECT_NO_PAD mis-prediction.
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TLSRxNoPadViolation int
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}
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// NewTLSStat reads the tls_stat statistics.
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func NewTLSStat() (TLSStat, error) {
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fs, err := NewFS(DefaultMountPoint)
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if err != nil {
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return TLSStat{}, err
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}
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return fs.NewTLSStat()
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}
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// NewTLSStat reads the tls_stat statistics.
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func (fs FS) NewTLSStat() (TLSStat, error) {
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file, err := os.Open(fs.proc.Path("net/tls_stat"))
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if err != nil {
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return TLSStat{}, err
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}
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defer file.Close()
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var (
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tlsstat = TLSStat{}
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s = bufio.NewScanner(file)
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)
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for s.Scan() {
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fields := strings.Fields(s.Text())
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if len(fields) != 2 {
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return TLSStat{}, fmt.Errorf("%w: %q line %q", ErrFileParse, file.Name(), s.Text())
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}
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name := fields[0]
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value, err := strconv.Atoi(fields[1])
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if err != nil {
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return TLSStat{}, err
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}
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switch name {
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case "TlsCurrTxSw":
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tlsstat.TLSCurrTxSw = value
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case "TlsCurrRxSw":
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tlsstat.TLSCurrRxSw = value
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case "TlsCurrTxDevice":
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tlsstat.TLSCurrTxDevice = value
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case "TlsCurrRxDevice":
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tlsstat.TLSCurrRxDevice = value
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case "TlsTxSw":
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tlsstat.TLSTxSw = value
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case "TlsRxSw":
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tlsstat.TLSRxSw = value
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case "TlsTxDevice":
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tlsstat.TLSTxDevice = value
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case "TlsRxDevice":
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tlsstat.TLSRxDevice = value
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case "TlsDecryptError":
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tlsstat.TLSDecryptError = value
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case "TlsRxDeviceResync":
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tlsstat.TLSRxDeviceResync = value
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case "TlsDecryptRetry":
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tlsstat.TLSDecryptRetry = value
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case "TlsRxNoPadViolation":
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tlsstat.TLSRxNoPadViolation = value
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}
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}
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return tlsstat, s.Err()
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}
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