#!/bin/bash
#
# Example RSC API call script
# v0.1 - James Pattinson - June 2024
#
# Performs a log backup for an Oracle database
#
# usage: rsc_log_backup.sh [filter]

usage() { echo "Usage: $0 [filter]" >&2; exit 1; }

if [[ -z "$1" ]]; then
    usage
fi

MYDIR="$(dirname "$(realpath "$0")")"

# log_info prints by default now; no verbose flag
# source $MYDIR/rbk_api.conf
source $MYDIR/rsc_ops.sh

gql_DBListQuery='query OracleDatabases($filter: [Filter!]) {
oracleDatabases(filter: $filter) {
    nodes {
        dbUniqueName
        id
        cluster {
            id
        }
    }
}
}'

variables="{
\"filter\": [
    {
        \"texts\": [\"$1\"],
        \"field\": \"NAME_EXACT_MATCH\"
    },
    {
        \"texts\": [\"false\"],
        \"field\": \"IS_RELIC\"
    },
       {
        \"texts\": [\"false\"],
        \"field\": \"IS_REPLICATED\"
    }
]
}"

gqlQuery="$(echo $gql_DBListQuery)"
gqlVars="$(echo $variables)"
rsc_gql_query

dbid=$(cat /tmp/rbkresponse.$$ | jq -r '.data.oracleDatabases.nodes[] | .id')
cdmId=$(cat /tmp/rbkresponse.$$ | jq -r '.data.oracleDatabases.nodes[] | .cluster.id')

# Check for multiple dbids
dbid_count=$(echo "$dbid" | wc -l)
if [[ "$dbid_count" -ne 1 || -z "$dbid" ]]; then
    log_error "Expected exactly one database match! found:"
    cat /tmp/rbkresponse.$$ | jq -r '.data.oracleDatabases.nodes[] | .dbUniqueName'
    cleanup
    exit 4
fi

log_info "DB ID is $dbid"
variables="{
\"input\": {
\"id\": \"$dbid\"
}
}"
gqlLogBackup='mutation TakeLogBackupOracleMutation($input: TakeOnDemandOracleLogSnapshotInput!) {
  takeOnDemandOracleLogSnapshot(input: $input) {
    id
    __typename
  }
}'

gqlQuery="$(echo $gqlLogBackup)"
gqlVars="$(echo $variables)"
rsc_gql_query

# Save the id from the response
log_info "Log backup job id: $(cat /tmp/rbkresponse.$$ | jq -r '.data.takeOnDemandOracleLogSnapshot.id')"
log_backup_id=$(cat /tmp/rbkresponse.$$ | jq -r '.data.takeOnDemandOracleLogSnapshot.id')

gqlCheckStatus='query OracleDatabaseAsyncRequestDetails($input: GetOracleAsyncRequestStatusInput!) {
  oracleDatabaseAsyncRequestDetails(input: $input) {
    id
    nodeId
    status
    startTime
    endTime
    progress
    error {
      message
    }
  }
}'

variables="{
\"input\": {
\"id\": \"$log_backup_id\",
\"clusterUuid\": \"$cdmId\"
}
}"

gqlQuery="$(echo $gqlCheckStatus)"
gqlVars="$(echo $variables)"

while true; do
    rsc_gql_query
    status=$(cat /tmp/rbkresponse.$$ | jq -r '.data.oracleDatabaseAsyncRequestDetails.status')
    progress=$(cat /tmp/rbkresponse.$$ | jq -r '.data.oracleDatabaseAsyncRequestDetails.progress')

    log_info "Job status: $status $progress percent"
    if [[ "$status" == "FAILED" ]]; then
        log_error "Log backup FAILED"
        cat /tmp/rbkresponse.$$ | jq
        cleanup
        exit 2
    elif [[ "$status" == "CANCELLED" ]]; then
        log_warn "Log backup CANCELLED"
        exit 3
    elif [[ "$status" == "SUCCEEDED" ]]; then
        log_info "Log backup SUCCEEDED"
        cat /tmp/rbkresponse.$$ | jq
        cleanup
        exit 0
    fi
    sleep 15

done