Implement OpenNebula driver

2024-08-30 23:46:37 +03:00
parent 986cd11705
commit 2b96ac0b44
55 changed files with 2969 additions and 3 deletions
@@ -0,0 +1,139 @@
+#!/bin/bash
+
+# Vitastor OpenNebula driver
+# Copyright (c) Vitaliy Filippov, 2024+
+# License: Apache-2.0 http://www.apache.org/licenses/LICENSE-2.0
+
+# DELETE <host:remote_system_ds/disk.i|host:remote_system_ds/>
+#   - host is the target host to deploy the VM
+#   - remote_system_ds is the path for the system datastore in the host
+
+DST=$1
+VM_ID=$2
+DS_ID=$3
+
+#--------------------------------------------------------------------------------
+
+if [ -z "${ONE_LOCATION}" ]; then
+    TMCOMMON=/var/lib/one/remotes/tm/tm_common.sh
+    LIB_LOCATION=/usr/lib/one
+else
+    TMCOMMON=$ONE_LOCATION/var/remotes/tm/tm_common.sh
+    LIB_LOCATION=$ONE_LOCATION/lib
+fi
+
+DRIVER_PATH=$(dirname $0)
+
+source $TMCOMMON
+source ${DRIVER_PATH}/../../datastore/libfs.sh
+
+#-------------------------------------------------------------------------------
+# Process destination
+#-------------------------------------------------------------------------------
+
+DST_PATH=`arg_path $DST`
+DST_HOST=`arg_host $DST`
+
+XPATH="${DRIVER_PATH}/../../datastore/xpath.rb --stdin"
+
+#-------------------------------------------------------------------------------
+# Delete and exit if directory
+#-------------------------------------------------------------------------------
+
+if [ `is_disk $DST_PATH` -eq 0 ]; then
+    # Directory: delete checkpoint and directory
+
+    unset i j XPATH_ELEMENTS
+
+    while IFS= read -r -d '' element; do
+        XPATH_ELEMENTS[i++]="$element"
+    done < <(onedatastore show -x $DS_ID | $XPATH \
+        /DATASTORE/TEMPLATE/SOURCE \
+        /DATASTORE/TEMPLATE/CLONE \
+        /DATASTORE/TEMPLATE/VITASTOR_CONF \
+        /DATASTORE/TEMPLATE/IMAGE_PREFIX \
+        /DATASTORE/TEMPLATE/POOL_NAME)
+
+    SRC="${XPATH_ELEMENTS[j++]}"
+    CLONE="${XPATH_ELEMENTS[j++]}"
+    VITASTOR_CONF="${XPATH_ELEMENTS[j++]}"
+    IMAGE_PREFIX="${XPATH_ELEMENTS[j++]}"
+    POOL_NAME="${XPATH_ELEMENTS[j++]}"
+
+    CLI=vitastor-cli
+    if [ -n "$VITASTOR_CONF" ]; then
+        CLI="$CLI --config_path ${VITASTOR_CONF}"
+    fi
+
+    SRC_CHECKPOINT="${IMAGE_PREFIX}one-sys-${VM_ID}-checkpoint"
+
+    ssh_exec_and_log "$DST_HOST" "$CLI rm $SRC_CHECKPOINT 2>/dev/null || exit 0" \
+        "Error deleting $SRC_CHECKPOINT in $DST_HOST"
+
+    log "Deleting $DST_PATH"
+    ssh_exec_and_log "$DST_HOST" "rm -rf $DST_PATH" "Error deleting $DST_PATH"
+    exit 0
+fi
+
+#-------------------------------------------------------------------------------
+# Get Image information
+#-------------------------------------------------------------------------------
+
+DISK_ID=$(echo "$DST_PATH" | $AWK -F. '{print $NF}')
+
+# Reads the disk parameters -- taken from image datastore
+unset i j XPATH_ELEMENTS
+while IFS= read -r -d '' element; do
+    XPATH_ELEMENTS[i++]="$element"
+done < <(onevm show -x $VM_ID | $XPATH \
+    /VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/SOURCE \
+    /VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/CLONE \
+    /VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/VITASTOR_CONF \
+    /VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/IMAGE_PREFIX \
+    /VM/TEMPLATE/DISK[DISK_ID=$DISK_ID]/POOL_NAME)
+
+SRC="${XPATH_ELEMENTS[j++]}"
+CLONE="${XPATH_ELEMENTS[j++]}"
+VITASTOR_CONF="${XPATH_ELEMENTS[j++]}"
+IMAGE_PREFIX="${XPATH_ELEMENTS[j++]}"
+POOL_NAME="${XPATH_ELEMENTS[j++]}"
+
+if is_undeployed "$VM_ID" "$DST_HOST"; then
+    # get BRIDGE_LIST from datastore
+    XPATH="${DRIVER_PATH}/../../datastore/xpath.rb --stdin"
+    IFS= read -r -d '' BRIDGE_LIST < <(onedatastore show -x "$DS_ID" \
+        | $XPATH /DATASTORE/TEMPLATE/BRIDGE_LIST )
+
+    if [ -n "$BRIDGE_LIST" ]; then
+        DST_HOST=$(get_destination_host)
+    fi
+fi
+
+# No need to delete not cloned images
+if [ "$CLONE" = "NO" ]; then
+    exit 0
+fi
+
+CLI=vitastor-cli
+if [ -n "$VITASTOR_CONF" ]; then
+    CLI="$CLI --config_path ${VITASTOR_CONF}"
+fi
+
+if [ -n "$SRC" ]; then
+    # cloned, so the name will be "one-<imageid>-<vmid>-<diskid>"
+    SRC_IMAGE="${SRC}-${VM_ID}-${DISK_ID}"
+else
+    # volatile
+    SRC_IMAGE="${IMAGE_PREFIX}one-sys-${VM_ID}-${DISK_ID}"
+fi
+
+# Delete the image
+
+log "Deleting $DST_PATH"
+
+DELETE_CMD=$(cat <<EOF
+    $CLI rm $SRC_IMAGE
+EOF
+)
+
+ssh_exec_and_log "$DST_HOST" "$DELETE_CMD" "Error deleting $SRC_IMAGE in $DST_HOST"