minio_dw/helm/minio/templates/_helper_create_svcacct.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 }}
# AccessKey and secretkey credentials file are added to prevent shell execution errors caused by special characters.
# Special characters for example : ',",<,>,{,}
MINIO_ACCESSKEY_SECRETKEY_TMP="/tmp/accessKey_and_secretKey_svcacct_tmp"
# 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} alias set 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 ; # 2 second intervals between attempts
$MC_COMMAND ;
STATUS=$? ;
done ;
set -e ; # reset `e` as active
return 0
}
# checkSvcacctExists ()
# Check if the svcacct exists, by using the exit code of `mc admin user svcacct info`
checkSvcacctExists() {
CMD=$(${MC} admin user svcacct info myminio $(head -1 $MINIO_ACCESSKEY_SECRETKEY_TMP) > /dev/null 2>&1)
return $?
}
# createSvcacct ($user)
createSvcacct () {
USER=$1
FILENAME=$2
#check accessKey_and_secretKey_tmp file
if [[ ! -f $MINIO_ACCESSKEY_SECRETKEY_TMP ]];then
echo "credentials file does not exist"
return 1
fi
if [[ $(cat $MINIO_ACCESSKEY_SECRETKEY_TMP|wc -l) -ne 2 ]];then
echo "credentials file is invalid"
rm -f $MINIO_ACCESSKEY_SECRETKEY_TMP
return 1
fi
SVCACCT=$(head -1 $MINIO_ACCESSKEY_SECRETKEY_TMP)
# Create the svcacct if it does not exist
if ! checkSvcacctExists ; then
echo "Creating svcacct '$SVCACCT'"
# Check if policy file is define
if [ -z $FILENAME ]; then
${MC} admin user svcacct add --access-key $(head -1 $MINIO_ACCESSKEY_SECRETKEY_TMP) --secret-key $(tail -n1 $MINIO_ACCESSKEY_SECRETKEY_TMP) myminio $USER
else
${MC} admin user svcacct add --access-key $(head -1 $MINIO_ACCESSKEY_SECRETKEY_TMP) --secret-key $(tail -n1 $MINIO_ACCESSKEY_SECRETKEY_TMP) --policy /config/$FILENAME.json myminio $USER
fi
else
echo "Svcacct '$SVCACCT' already exists."
fi
#clean up credentials files.
rm -f $MINIO_ACCESSKEY_SECRETKEY_TMP
}
# Try connecting to MinIO instance
{{- if .Values.tls.enabled }}
scheme=https
{{- else }}
scheme=http
{{- end }}
connectToMinio $scheme
{{ if .Values.svcaccts }}
{{ $global := . }}
# Create the svcaccts
{{- range $idx, $svc := .Values.svcaccts }}
echo {{ tpl .accessKey $global }} > $MINIO_ACCESSKEY_SECRETKEY_TMP
{{- if .existingSecret }}
cat /config/secrets-svc/{{ tpl .existingSecret $global }}/{{ tpl .existingSecretKey $global }} >> $MINIO_ACCESSKEY_SECRETKEY_TMP
# Add a new line if it doesn't exist
echo >> $MINIO_ACCESSKEY_SECRETKEY_TMP
{{ else }}
echo {{ .secretKey }} >> $MINIO_ACCESSKEY_SECRETKEY_TMP
{{- end }}
{{- if $svc.policy}}
createSvcacct {{ .user }} svc_policy_{{ $idx }}
{{ else }}
createSvcacct {{ .user }}
{{- end }}
{{- end }}
{{- end }}