65 lines
1.7 KiB
Bash
Executable File
65 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# Vitastor OpenNebula driver
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# Copyright (c) Vitaliy Filippov, 2024+
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# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
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# This script is used to monitor the free and used space of a datastore
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# -------- Set up the environment to source common tools & conf ------------
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if [ -z "${ONE_LOCATION}" ]; then
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LIB_LOCATION=/usr/lib/one
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else
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LIB_LOCATION=$ONE_LOCATION/lib
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fi
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. $LIB_LOCATION/sh/scripts_common.sh
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DRIVER_PATH=$(dirname $0)
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source ${DRIVER_PATH}/../../datastore/libfs.sh
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# -------- Get datastore arguments from OpenNebula core ------------
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DRV_ACTION=`cat -`
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ID=$1
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XPATH="${DRIVER_PATH}/../../datastore/xpath.rb -b $DRV_ACTION"
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unset i j XPATH_ELEMENTS
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while IFS= read -r -d '' element; do
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XPATH_ELEMENTS[i++]="$element"
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done < <($XPATH \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/BRIDGE_LIST \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/POOL_NAME \
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/DS_DRIVER_ACTION_DATA/DATASTORE/TEMPLATE/VITASTOR_CONF)
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BRIDGE_LIST="${XPATH_ELEMENTS[j++]}"
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POOL_NAME="${XPATH_ELEMENTS[j++]}"
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VITASTOR_CONF="${XPATH_ELEMENTS[j++]}"
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HOST=`get_destination_host`
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if [ -z "$HOST" ]; then
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error_message "Datastore template missing 'BRIDGE_LIST' attribute."
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exit -1
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fi
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CLI=vitastor-cli
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if [ -n "$VITASTOR_CONF" ]; then
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CLI="$CLI --config_path ${VITASTOR_CONF}"
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fi
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# ------------ Compute datastore usage -------------
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MONITOR_SCRIPT=$(cat <<EOF
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vitastor-cli df --json | jq -r '.[] | select(.name == "${POOL_NAME}") |
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"TOTAL_MB="+(.total_raw/.raw_to_usable/1024/1024 | tostring)+
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"\nUSED_MB="+(.used_raw/.raw_to_usable/1024/1024 | tostring)+
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"\nFREE_MB="+(.max_available/1024/1024 | tostring)'
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EOF
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)
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ssh_monitor_and_log $HOST "$MONITOR_SCRIPT 2>&1" "Error monitoring ${POOL_NAME} in $HOST"
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