Using base.module.sh, replaced basename and dirname

script/host/zfs/composition-sync/sync.sh

@@ -51,7 +51,8 @@ function addSessions() {
     local _COMPOSITION
     grep -lrE "^${_RECEIVERHOST}" ${_DEFINITIONS}compositions/*/${_SYNCHOSTS_FILE} | while read -r _CURRENT_SYNCHOSTS_FILE; do
         _SSH_PORT=$(grep -E "^${_RECEIVERHOST} usePort [0-9]*.*$" "${_CURRENT_SYNCHOSTS_FILE}" | cut -d' ' -f3 | xargs)
-        _COMPOSITION=$(basename $(dirname "${_CURRENT_SYNCHOSTS_FILE}"))
+        _COMPOSITION="${_CURRENT_SYNCHOSTS_FILE%/*}"
+        _COMPOSITION="${_COMPOSITION##*/}"
         startMissingScreenSession "${_COMPOSITION}" "${_SSH_PORT}"
     done
 }

script/host/zfs/destroy-all-snapshots-before.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+source /cis/core/base.module.sh
+
+
+
+function listSnapshotsToDestroy() {
+    local _FILESYSTEM _SNAPSHOT
+    _SNAPSHOT="${1:?"Missing first parameter SNAPSHOT"}"
+    _FILESYSTEM="$(echo ${_SNAPSHOT} | cut -d@ -f1)"
+    readonly _FILESYSTEM _SNAPSHOT
+
+    for _CURRENT in $(zfs list -Ho name -s creation -t snapshot "${_FILESYSTEM:?"Missing first parameter FILESYSTEM"}")
+    do
+        [ -z "${_CURRENT}" ] \
+            && return 1
+
+        [ "${_SNAPSHOT}" == "${_CURRENT}" ] \
+            && break
+
+        echo "${_CURRENT}"
+    done
+    return 0
+}
+
+function main() {
+    local _SNAPSHOT
+    _SNAPSHOT="${1:?"Missing first parameter SNAPSHOT"}"
+    readonly _SNAPSHOT
+
+    ! echo "${_SNAPSHOT}" | grep -q "@" \
+        && echo "This is not a snapshot: ${_SNAPSHOT}" \
+        && return 1
+
+    ! zfs list "${_SNAPSHOT}" &> /dev/null \
+        && echo "The snapshot does not exist: ${_SNAPSHOT}" \
+        && return 1
+
+    listSnapshotsToDestroy "${_SNAPSHOT}" | xargs -r -p -n1 zfs destroy \
+        && return 0
+
+    return 1
+}
+
+base.set SNAPSHOT "${1}" '^[-0-9a-zA-Z_/]@[-0-9a-zA-Z_:.]'
+main "${SNAPSHOT:?"Missing first parameter SNAPSHOT"}" && exit 0
+
+echo "Something went wrong."
+exit 1
+

script/host/zfs/fstrim.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# trim all mounted or at least root file systems which support it
+# call this file with cron
+
+
+
+function run(){
+    local _FSTRIM _MAJOR_VERSION _START
+    _MAJOR_VERSION="$(lsb_release -r | cut -f2 | cut -d'.' -f1)"
+
+    [ "${_MAJOR_VERSION:?"Missing MAJOR_VERSION"}" -ge "16" ] \
+        && _FSTRIM="fstrim -v --all" \
+        || _FSTRIM="fstrim -v /"
+
+    _START="${SECONDS}"
+    readonly _FSTRIM _MAJOR_VERSION _START
+
+    echo -e "$(date) - fstrim started: '$($_FSTRIM)' (duration: $(date -u -d @"$((${SECONDS} - $_START))" +'%-Hh %Mm %Ss'))"
+}
+
+run > /var/log/fstrim.log