minio/helm/minio/templates/_helper_create_bucket.txt

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#!/bin/sh
set -e ; # Have script exit in the event of a failed command.
{{- if .Values.configPathmc }}
MC_CONFIG_DIR="{{ .Values.configPathmc }}"
MC="/usr/bin/mc --insecure --config-dir ${MC_CONFIG_DIR}"
{{- else }}
MC="/usr/bin/mc --insecure"
{{- end }}
# connectToMinio
# Use a check-sleep-check loop to wait for Minio service to be available
connectToMinio() {
SCHEME=$1
ATTEMPTS=0 ; LIMIT=29 ; # Allow 30 attempts
set -e ; # fail if we can't read the keys.
ACCESS=$(cat /config/rootUser) ; SECRET=$(cat /config/rootPassword) ;
set +e ; # The connections to minio are allowed to fail.
echo "Connecting to Minio server: $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT" ;
MC_COMMAND="${MC} config host add myminio $SCHEME://$MINIO_ENDPOINT:$MINIO_PORT $ACCESS $SECRET" ;
$MC_COMMAND ;
STATUS=$? ;
until [ $STATUS = 0 ]
do
ATTEMPTS=`expr $ATTEMPTS + 1` ;
echo \"Failed attempts: $ATTEMPTS\" ;
if [ $ATTEMPTS -gt $LIMIT ]; then
exit 1 ;
fi ;
sleep 2 ; # 1 second intervals between attempts
$MC_COMMAND ;
STATUS=$? ;
done ;
set -e ; # reset `e` as active
return 0
}
# checkBucketExists ($bucket)
# Check if the bucket exists, by using the exit code of `mc ls`
checkBucketExists() {
BUCKET=$1
CMD=$(${MC} ls myminio/$BUCKET > /dev/null 2>&1)
return $?
}
# createBucket ($bucket, $policy, $purge)
# Ensure bucket exists, purging if asked to
createBucket() {
BUCKET=$1
POLICY=$2
PURGE=$3
VERSIONING=$4
# Purge the bucket, if set & exists
# Since PURGE is user input, check explicitly for `true`
if [ $PURGE = true ]; then
if checkBucketExists $BUCKET ; then
echo "Purging bucket '$BUCKET'."
set +e ; # don't exit if this fails
${MC} rm -r --force myminio/$BUCKET
set -e ; # reset `e` as active
else
echo "Bucket '$BUCKET' does not exist, skipping purge."
fi
fi
# Create the bucket if it does not exist
if ! checkBucketExists $BUCKET ; then
echo "Creating bucket '$BUCKET'"
${MC} mb myminio/$BUCKET
else
echo "Bucket '$BUCKET' already exists."
fi
# set versioning for bucket
if [ ! -z $VERSIONING ] ; then
if [ $VERSIONING = true ] ; then
echo "Enabling versioning for '$BUCKET'"
${MC} version enable myminio/$BUCKET
elif [ $VERSIONING = false ] ; then
echo "Suspending versioning for '$BUCKET'"
${MC} version suspend myminio/$BUCKET
fi
else
echo "Bucket '$BUCKET' versioning unchanged."
fi
# At this point, the bucket should exist, skip checking for existence
# Set policy on the bucket
echo "Setting policy of bucket '$BUCKET' to '$POLICY'."
${MC} policy set $POLICY myminio/$BUCKET
}
# Try connecting to Minio instance
{{- if .Values.tls.enabled }}
scheme=https
{{- else }}
scheme=http
{{- end }}
connectToMinio $scheme
{{ if .Values.buckets }}
# Create the buckets
{{- range .Values.buckets }}
createBucket {{ .name }} {{ .policy }} {{ .purge }} {{ .versioning }}
{{- end }}
{{- end }}