#!/bin/bash
# ============LICENSE_START=======================================================
# org.onap.dmaap
# ================================================================================
# Copyright © 2018 AT&T Intellectual Property. All rights reserved.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ============LICENSE_END=========================================================
#
# ECOMP is a trademark and service mark of AT&T Intellectual Property.

urlencode() {
    local data
    if [[ $# != 1 ]]; then
        echo "Usage: $0 string-to-urlencode"
        return 1
    fi
    data="$(curl -s -o /dev/null -w %url_effective --get --data-urlencode "$1" "")"
    if [[ $? != 3 ]]; then
        echo "Unexpected error" 1>&2
        return 2
    fi
    echo "${data##/?}"
    return 0
}
export urlencode

PATH=/opt/app/datartr/bin:/bin:/usr/bin:$PATH
PROVCMD="$0"
export PATH PROVSRVR PROVCMD NOPROXY

if [ ! -x /usr/bin/curl ]
then
    echo provcmd: curl is required for this tool.
    exit 1
fi
optloop=
while [ -z "$optloop" ]
do
    if [ "$1" == '-s' ]
    then
        shift
        PROVSRVR="$1"
        shift
    elif [ "$1" == '-v' ]
    then
        shift
        VERBOSE=x
    elif [ "$1" == '-N' ]
    then
        shift
        NOPROXY='?noproxy=1'
    else
        optloop=1
    fi
done
if [ -z "$PROVSRVR" ]
then
    echo "provcmd: you need to specify the server, either via the -s option"
    echo "         or by setting and exporting PROVSRVR"
    exit 1
fi

CMD="$1"
shift
if [ "$CMD" == 'delete' ]
then
    if [ $# -gt 0 ]
    then
        for i
        do
            [ -n "$VERBOSE" ] && echo curl -4 -k -X DELETE "https://$PROVSRVR/internal/api/$1$NOPROXY"
            curl -4 -k -X DELETE "https://$PROVSRVR/internal/api/$1$NOPROXY"
        done
        exit 0
    fi
elif [ "$CMD" == 'create' ]
then
    if [ $# -eq 2 ]
    then
        # create (with POST), then set the value
        [ -n "$VERBOSE" ] && echo curl -4 -k -X POST --data '' "https://$PROVSRVR/internal/api/$1$NOPROXY"
        curl -4 -k -X POST --data '' "https://$PROVSRVR/internal/api/$1$NOPROXY"
        $PROVCMD set "$1" "$2"
        exit 0
    fi
elif [ "$CMD" == 'get' ]
then
    if [ $# -eq 1 ]
    then
        # get
        [ -n "$VERBOSE" ] && echo curl -4 -k "https://$PROVSRVR/internal/api/$1$NOPROXY"
        curl -4 -k "https://$PROVSRVR/internal/api/$1$NOPROXY" 2>/dev/null | tr '|' '\012' | sort
        exit 0
    fi
elif [ "$CMD" == 'set' ]
then
    if [ $# -ge 2 ]
    then
        p="$1"
        shift
        v=""
        for i; do [ -n "$v" ] && v="$v|"; v="$v$i"; done
        # set (with PUT)
        ue=`urlencode "$v"`
        NOPROXY=`echo $NOPROXY | tr '?' '&'`
        [ -n "$VERBOSE" ] && echo curl -4 -k -X PUT "https://$PROVSRVR/internal/api/$p?val=$ue$NOPROXY"
        curl -4 -k -X PUT "https://$PROVSRVR/internal/api/$p?val=$ue$NOPROXY"
        exit 0
    fi
elif [ "$CMD" == 'append' ]
then
    if [ $# -ge 2 ]
    then
        p="$1"
        shift
        tmp=`curl -4 -k "https://$PROVSRVR/internal/api/$p$NOPROXY" 2>/dev/null`
        $PROVCMD set "$p" "$tmp" "$@"
        exit 0
    fi
elif [ "$CMD" == 'remove' ]
then
    if [ $# -eq 2 ]
    then
        p="$1"
        rm="$2"
        $PROVCMD get "$p" | grep -v "^$rm\$" > /tmp/pc$$
        IFS=$'\r\n'
        $PROVCMD set "$p" `cat /tmp/pc$$`
        rm /tmp/pc$$
        exit 0
    fi
fi

# Some error somewhere - display usage
cat <<'EOF'
usage: provcmd [ -s server ] delete name1 [ name2 ... ]
       provcmd [ -s server ] get name
       provcmd [ -s server ] create name value
       provcmd [ -s server ] set name value1 [ value2 ... ]
       provcmd [ -s server ] append name value1 [ value2 ... ]
       provcmd [ -s server ] remove name value

delete - remove the parameters named name1, name2 ...
get    - displays the parameters' value
create - creates a new parameter
set    - sets the value of an existing parameter
append - appends the value to a list-based parameter
remove - removes a value from a list based parameter

server - the provisioning server FQDN (feeds-drtr.web.att.com for production)

Standard Parameters Names:
------------------------------
ACTIVE_POD
DELIVERY_INIT_RETRY_INTERVAL
DELIVERY_MAX_AGE
DELIVERY_MAX_RETRY_INTERVAL
DELIVERY_RETRY_RATIO
LOGROLL_INTERVAL
NODES
PROV_ACTIVE_NAME
PROV_AUTH_ADDRESSES
PROV_AUTH_SUBJECTS
PROV_DOMAIN
PROV_MAXFEED_COUNT
PROV_MAXSUB_COUNT
PROV_NAME
PROV_REQUIRE_CERT
PROV_REQUIRE_SECURE
STANDBY_POD
EOF
exit 1