#!/bin/bash
#
# Example API call script for Die Mobiliar 
# v0.2 - James Pattinson - August 2021
#
# Lists the registered DBs for a given Oracle Host or RAC
# and their assigned SLAs
#
# usage: oracle_list_db.sh <HOSTNAME>

MYDIR="$(dirname "$(realpath "$0")")"
# source $MYDIR/rbk_api.conf
source $MYDIR/oracle_funcs.sh

# Given RBK_SID return $db_id of matching database
find_database1 () {

        # First get IDs of all the mounted DBs for this SID
        ENDPOINT="https://$RUBRIK_IP/api/internal/oracle/db/mount"
        rest_api_get

        cat /tmp/rbkresponse.$$ | jq -r --arg SID "$RBK_SID" '.data[] | select(.mountedDatabaseId!=null and .mountedDatabaseName==$SID) | .mountedDatabaseId' > /tmp/mountedDBs.$$

        # Now get a list of Oracle DBs
        ENDPOINT="https://$RUBRIK_IP/api/v1/oracle/db?name=$RBK_SID"
        rest_api_get

        # If no host is specified then just look for the DB with the right SID
        if [ -z $RBK_HOST ]; then

                # get list of DB IDs in scope (sid matches and not a relic)
                myDBs=$(cat /tmp/rbkresponse.$$ | jq -r --arg SID "$RBK_SID" '.data[] | select(.name==$SID and .isRelic==false) | .id' ; cat /tmp/rbkresponse.$$ | jq -r --arg SID "$RBK_SID" '.data[] | select(.name==$SID and .isRelic==false) |  .dataGuardGroupId' | sort | uniq)

                for db in $myDBs; do
                        id=$(echo $db | cut -d: -f 4)
                        if grep -q $id /tmp/mountedDBs.$$; then
                                continue
                        else
                                break
                        fi
                done

                # Get the details for the specific DB ID
                read name db_id sla_id dg_type dg_id RBK_HOST num_instances grp_name < <(echo $(cat /tmp/rbkresponse.$$ | jq -r --arg ID "OracleDatabase:::$id" '.data[] | select(.id==$ID) | .name, .id, .configuredSlaDomainId, .dataGuardType, .dataGuardGroupId, .instances[0].hostName, .numInstances, .dataGuardGroupName'))

        # Host was specified
        else
                read name db_id sla_id dg_type dg_id RBK_HOST num_instances grp_name < <(echo $(cat /tmp/rbkresponse.$$ | jq -r --arg SID "$RBK_SID" --arg HOST "$RBK_HOST" '.data[] | select(.sid==$SID and .infraPath[0].name==$HOST and .isRelic==false) | .name, .id, .configuredSlaDomainId, .dataGuardType, .dataGuardGroupId, .instances[0].hostName, .numInstances, .dataGuardGroupName'))
        fi

        if [ "$dg_type" == "DataGuardMember" ]; then
                db_id=$dg_id
        fi

        if [ -z "$db_id" ]; then
                echo FATAL: No DB found with SID $RBK_SID on host $RBK_HOST
                #exit_with_error
        fi
}

# HTTP GET: Given $ENDPOINT write output to file
rest_api_get1 () {
        http_response=$(curl -s -k -o /tmp/rbkresponse.$$ -w "%{http_code}" -X GET $ENDPOINT -H "accept: application/json" -H "Authorization: Bearer $AUTH_TOKEN")
        #check_http_error
}




usage() { echo "Usage: $0 [-h <dbhost>] [-g|] <SID>" 1>&2; exit 1; }

while getopts "h:" o; do
    case "${o}" in
        h)
            RBK_HOST=${OPTARG}
            ;;
        *)
            usage
            ;;
    esac
done
shift $((OPTIND-1))

RBK_SID=$1

if [ -z "${RBK_SID}" ]; then
    usage
fi

#echo "Fetching available snapshots for \"$RBK_SID\" on $RBK_HOST"
echo Connecting to Rubrik with IP $RUBRIK_IP

# API call to list Oracle DBs
find_database1

echo Fetching available snapshots for $RBK_SID on $RBK_HOST

# API call to get the recoverable range
ENDPOINT="https://$RUBRIK_IP/api/internal/oracle/db/$db_id/snapshot"
rest_api_get1 


#cat /tmp/rbkresponse.$$ | jq -r '.data | sort_by(.date) | .[] | "\(.date)\t\(.slaName)"' | grep 2021-11-26
if [ -z "`cat /tmp/rbkresponse.$$ | jq -r '.data | sort_by(.date) | .[] | "\(.date)\t\(.slaName)"'`" ] ; then
  echo "last backup: ${RBK_SID} `hostname -s` 0001-01-01T00:00:00.000Z Problem-or-No-Backup No-info No-info" 
  if  [ ! -z "${INFO_PROBLEM}" ] ; then  
    echo "${INFO_PROBLEM}"
  fi
else
  echo "last backup: ${RBK_SID} `hostname -s` `cat /tmp/rbkresponse.$$ | jq -r '.data | sort_by(.date) | .[] | "\(.date)\t\(.slaName)\t\(.isOnDemandSnapshot)\t\(.replicationLocationIds)"' | tail -1`" 
fi

cleanup