mirror of
https://github.com/pgsty/minio.git
synced 2026-08-10 00:03:29 +03:00
Feng Ruohang
e071bb77e4
helm/minio becomes helm/silo: chart name silo, version 6.0.0 -> 7.0.0, the MinIO wordmark icon replaced with the project's own, image.repository and mcImage.repository pointing at pgsty/silo, and the container command changed to silo. User-visible titles, comments and documentation links are rebranded. The MINIO_* environment variables and every existing values key are kept - the first Silo chart is a rename, not a values-schema migration. The hard problem is that a chart rename normally rewrites Kubernetes resource identity, and a StatefulSet's selector and volumeClaimTemplate are immutable. An existing release upgraded carelessly would either fail or orphan its PVCs. Two things address that: - Templates no longer derive the container name from .Chart.Name. It comes from a helper, so nameOverride can pin it, which means an existing release can be upgraded with nameOverride=minio, fullnameOverride=<existing-fullname> and serviceAccount.name=minio-sa and render byte-stable identity while switching chart and image. - helm-migration-guard and verify-helm-migration.sh make that a gate rather than a documented hope. The script lints the chart, renders it in distributed and standalone modes plus the optional templates, then renders the legacy chart from a pinned commit and the new chart with those three overrides and compares resource identity. The guard additionally rejects any rendered container still pulling pgsty/minio or invoking /usr/bin/minio. It runs through a pinned alpine/helm image when helm is not installed locally, so the gate does not depend on the developer's machine. Currently green over 7 compared resources. Rollback is asymmetric and the README says so: the old chart with the new image survives via the entrypoint argv shim, but the new chart with an old MinIO image does not, because `silo server` is not a command that binary knows. Only `helm rollback` is supported, never an image-only downgrade. Not addressed here: the default image tag is pgsty/silo:RELEASE.2026-08-04T00-00-00Z, which does not exist yet. The chart must not be published until the first Silo image is pushed. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
76 lines
2.0 KiB
Plaintext
76 lines
2.0 KiB
Plaintext
#!/bin/sh
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set -e ; # Have script exit in the event of a failed command.
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{{- if .Values.configPathmc }}
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MC_CONFIG_DIR="{{ .Values.configPathmc }}"
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MC="/usr/bin/mc --insecure --config-dir ${MC_CONFIG_DIR}"
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{{- else }}
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MC="/usr/bin/mc --insecure"
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{{- end }}
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# connectToSilo
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# Use a check-sleep-check loop to wait for Silo service to be available
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connectToSilo() {
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SCHEME=$1
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ATTEMPTS=0 ; LIMIT=29 ; # Allow 30 attempts
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set -e ; # fail if we can't read the keys.
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ACCESS=$(cat /config/rootUser) ; SECRET=$(cat /config/rootPassword) ;
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set +e ; # The connections to Silo are allowed to fail.
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echo "Connecting to Silo server: $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT" ;
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MC_COMMAND="${MC} alias set mysilo $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT $ACCESS $SECRET" ;
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$MC_COMMAND ;
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STATUS=$? ;
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until [ $STATUS = 0 ]
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do
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ATTEMPTS=`expr $ATTEMPTS + 1` ;
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echo \"Failed attempts: $ATTEMPTS\" ;
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if [ $ATTEMPTS -gt $LIMIT ]; then
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exit 1 ;
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fi ;
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sleep 2 ; # 1 second intervals between attempts
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$MC_COMMAND ;
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STATUS=$? ;
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done ;
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set -e ; # reset `e` as active
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return 0
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}
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# checkPolicyExists ($policy)
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# Check if the policy exists, by using the exit code of `mc admin policy info`
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checkPolicyExists() {
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POLICY=$1
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CMD=$(${MC} admin policy info mysilo $POLICY > /dev/null 2>&1)
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return $?
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}
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# createPolicy($name, $filename)
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createPolicy () {
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NAME=$1
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FILENAME=$2
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# Create the name if it does not exist
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echo "Checking policy: $NAME (in /config/$FILENAME.json)"
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if ! checkPolicyExists $NAME ; then
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echo "Creating policy '$NAME'"
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else
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echo "Policy '$NAME' already exists."
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fi
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${MC} admin policy create mysilo $NAME /config/$FILENAME.json
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}
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# Try connecting to Silo instance
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{{- if .Values.tls.enabled }}
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scheme=https
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{{- else }}
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scheme=http
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{{- end }}
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connectToSilo $scheme
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{{ if .Values.policies }}
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# Create the policies
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{{- range $idx, $policy := .Values.policies }}
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createPolicy {{ $policy.name }} policy_{{ $idx }}
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{{- end }}
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{{- end }}
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