Files

141 lines
8.2 KiB
YAML

backupStrategyController:
image: "ghcr.io/cozystack/cozystack/backupstrategy-controller:v1.6.0@sha256:e8bf0521d1d1d8b90ebe66e9013010887033ba2653901799d57f2df47c9d879e"
# chBackupClientImage is the image rendered into the Altinity strategy
# Pod: it drives clickhouse-backup's HTTP API via curl + jq.
#
# WORKAROUND — platform-migrations is the wrong image for this job and
# should be replaced by a dedicated one (see the TODO below). It is
# reused here only because it happens to bundle curl + jq, and this
# release could not absorb a new image. What that reuse actually costs:
# - the strategy script needs exactly curl, jq, sleep and date, yet
# this image is 349 MB carrying kubectl, helm, git, cozyhr and the
# etcd-migrate binary into a tenant-adjacent backup Pod;
# - its ENTRYPOINT is run-migrations.sh, so only the `command:`
# override in strategy-altinity-default.yaml stands between this Pod
# and running platform migrations with kubectl and helm on the PATH;
# - it couples the backup client to migrations: bumping
# ETCD_OPERATOR_VERSION or editing any migration script re-digests
# this image, forcing this pin to move for reasons that have nothing
# to do with backups. That coupling is what broke — see below.
#
# TODO: replace with a dedicated ch-backup-client image built by THIS
# package's own Makefile (alpine + curl + jq + ca-certificates measures
# 23 MB, 15x smaller). That also removes the cross-package stamp
# entirely, because the pin would then be produced by the package that
# owns it. The often-cited objection — "a second tag release CI must
# re-digest each cut" — is not the real cost: every other first-party
# image already pays it, automatically. The real defect was a pin with
# NO producer, which a package-owned image cannot reproduce.
#
# DO NOT hand-edit: packages/core/platform/Makefile stamps this key with
# the same ref it writes to .migrations.image there, so the two stay in
# lockstep by construction. They previously did not — this key had no
# producer at all and froze at v1.4.0-rc.2 while the other advanced to
# v1.5.0. Two digests under one repository means a promotion tries to
# retag both to the same stable tag, and the write-once guard in
# hack/promote-retag.sh fails the release. hack/image-pin-consistency.bats
# asserts no repository is pinned at more than one digest.
chBackupClientImage: "ghcr.io/cozystack/cozystack/platform-migrations:v1.6.0@sha256:6777042e3e9c6bad76e7d96fb64baa115061975f39061cb3ede84e21d0e2213f"
replicas: 2
debug: false
metrics:
enabled: true
bindAddress: ":8443"
resources:
requests:
cpu: 10m
memory: 64Mi
limits:
cpu: 500m
memory: 128Mi
# backupStorage describes the platform-managed S3 bucket used by every
# default BackupClass strategy. The bucket lives in the backupStorage.namespace
# (tenant-root by default) and is provisioned through the apps.cozystack.io/Bucket CR.
# Tenants never see these coordinates directly — they reference cozy-default
# BackupClass and the backupstrategy-controller projects credentials per BackupJob.
backupStorage:
# provisionBucket controls whether to create the apps.cozystack.io/Bucket CR.
# Set to false when the cluster runs against an external S3 (no SeaweedFS)
# and the admin manages the credentials Secret manually.
provisionBucket: true
# The Bucket CR lives in tenant-root (a tenant namespace) because the
# apps.cozystack.io/Bucket chart's RBAC helper fails Helm render on any
# namespace that does not start with "tenant-" (see
# packages/library/cozy-lib/templates/_rbac.tpl). tenant-root is the
# root tenant present on every Cozystack install, so the system Bucket
# naturally lives there. Cross-namespace Secret read is granted to the
# backupstrategy-controller via cluster-scoped Secret RBAC.
namespace: tenant-root
bucketName: cozy-backups
# bucketNameOverride is an escape hatch for offline `helm template`
# renders (CI / local diffs). When set, the chart skips the live-cluster
# BucketClaim status lookup and uses this string as the S3 bucket name.
# Leave empty in production — the COSI driver assigns its own bucket
# name independent of .bucketName above, and the BucketClaim status
# is the only authoritative source.
bucketNameOverride: ""
# endpoint is the S3 endpoint URL shared by every default Strategy CR, the
# Velero BSL and the controller Deployment. For a provisioned bucket
# (provisionBucket: true, the default) it is NOT used verbatim: the
# "backupstrategy-controller.endpoint" helper derives the real endpoint from
# the COSI bucket's system credentials Secret (backupStorage.systemSecretName)
# and forces https://, because Cozystack's SeaweedFS runs with
# enableSecurity=true and serves TLS on :8333 behind the self-signed
# "SeaweedFS CA". The COSI-advertised endpoint is the external S3 ingress
# (ACME cert), which every consumer can verify — unlike the in-cluster
# service, whose CA is not plumbed to the backup operators and which the Etcd
# Strategy's S3 schema (no caCert field) cannot target at all.
#
# This value is the FALLBACK, used only when the derivation cannot run:
# - provisionBucket: false (external S3) — set it to your S3 endpoint,
# scheme included; it is used verbatim (the MariaDB/FDB strategies compute
# their secure flag from the scheme, so https:// enables TLS there — make
# the CA bundle reachable to those operators before pointing at a
# self-signed external endpoint);
# - offline `helm template` / unit renders and the pre-reconcile first
# install, where the Secret lookup returns nothing.
endpoint: http://seaweedfs-s3.tenant-root.svc.cozy.local:8333
# region is re-projected into cozy-backups-creds on the next reconcile
# (1-minute tick for system namespaces, on-demand for tenant namespaces).
# However, charts that consume the region via secretKeyRef in env vars —
# the chart-emitted ClickHouse sidecar on `useSystemBucket: true` is the
# only such consumer today — only pick up the new value on Pod restart.
# Plan a rollout of those Pods when you change this value.
region: us-east-1
forcePathStyle: true
# systemSecretName — the human-friendly Secret produced by the Bucket
# application in the backupStorage.namespace (tenant-root by default). The Bucket release is
# wrapped with the bucket-rd "bucket-" prefix (see
# packages/system/bucket-rd/cozyrds/bucket.yaml), so the human-friendly
# Secret rendered by packages/system/bucket/templates/user-credentials.yaml
# is named <bucket-release>-<user>-credentials. The projector also
# tolerates the raw COSI Secret format (single BucketInfo JSON key) so a
# cluster that wires an external S3 Secret manually still works.
systemSecretName: bucket-cozy-backups-system-credentials
# systemNamespaces — namespaces where the controller eagerly projects
# cozy-backups-creds so long-lived static references (Velero BSL, FDB
# operator deployments) keep finding the Secret without on-demand
# rendering. Tenants are projected lazily during BackupJob reconcile.
systemNamespaces:
- cozy-velero
# velero — BSL rendering. The cozy-default BackupStorageLocation is
# created in cozy-velero by templates/velero-bsl.yaml so endpoint/bucket/
# region come from the same backupStorage block used by Strategy CRs and
# the projector, eliminating drift.
#
# bslEnabled defaults to TRUE because cozystack.velero is a hard
# dependsOn for this PackageSource (see
# packages/core/platform/sources/backupstrategy-controller.yaml) — the
# Velero CRDs are guaranteed to exist by the time this chart installs.
# The BSL template additionally gates itself on a populated BucketClaim
# status via the bucketName helper, so on a bootstrap install the BSL
# materialises only after the platform Bucket reconciles. Setting this
# to false is an explicit opt-out for clusters that disable VM backups
# entirely and want to avoid the cluster-default BSL — in that case the
# cozy-default-velero-vminstance / -vmdisk strategy CRs still ship but
# their `storageLocation: cozy-default` reference will not resolve, so
# VM BackupJobs against cozy-default will fail.
velero:
bslEnabled: true
namespace: cozy-velero