feat: Add mysqldump.sh, move handlers to targets and sources dirs.

2022-06-22 23:53:20 +03:00
parent 1f2da45b25
commit bdeb39581d
4 changed files with 111 additions and 2 deletions
--- a/src/lib/handlers/sources/tar.sh
+++ b/src/lib/handlers/sources/tar.sh
@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+
+# tar.sh - backup files via tar.
+# Copyright (c) 2022 ge <https://nixhacks.net/>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+handler::tar() {
+    # Backup local files with tar(1). Handle 'file' URI scheme.
+    #
+    # Usage: handler::tar URI
+
+    log "Run handler handler::tar()"
+
+    local uri
+    local src_path
+    local dst_path
+    local opts
+    local archive
+    local exclude
+    local file_ext
+
+    uri="$1"
+    dst_path="$__main_target_path"
+
+    parse_uri "$uri"
+
+    if [ -f "$path" ] || [ -d "$path" ]; then
+        src_path="$path"
+    else
+        echo "Error: Path '$path' from URI '$uri' does not exists" >&2
+        exit 1
+    fi
+
+    if [[ "$src_path" == "$dst_path" ]]; then
+        echo "Error: Source and destination paths is the same: $src_path; $dst_path" >&2
+        exit 1
+    fi
+
+    # Exit if tar is not installed
+    is_installed tar
+
+    # Overwrire __tar_options
+    if [ -n "$tar_options" ]; then
+        opts="$tar_options"
+    else
+        opts="$__tar_options"
+    fi
+
+    # Overwrite __tar_exclude
+    if [ "$tar_exclude" ]; then
+        for item in "${tar_exclude[@]}"; do
+            exclude+=" --exclude $item"
+        done
+    else
+        exclude=
+    fi
+
+    # Select filename extension by compression type.
+    if [ "$compression" ]; then
+        # Make sure for the `--auto-compress` is enabled in __tar_options
+        # Refference: https://www.gnu.org/software/tar/manual/html_node/gzip.html
+        case "$compression" in
+            gzip|gz)    file_ext='.tar.gz';;    # gzip
+            tgz)        file_ext='.tgz';;       # gzip
+            taz)        file_ext='.taz';;       # gzip
+            compress|Z) file_ext='.tar.Z';;     # compress
+            taZ)        file_ext='.taZ';;       # compress
+            bzip2|bz2)  file_ext='.tar.bz2';;   # bzip2
+            tz2)        file_ext='.tz2';;       # bzip2
+            tbz2)       file_ext='.tbz2';;      # bzip2
+            tbz)        file_ext='.tbz';;       # bzip2
+            lzip|lz)    file_ext='.tar.lz';;    # lzip
+            lzma)       file_ext='.tar.lzma';;  # lzma
+            tlz)        file_ext='.tlz';;       # lzma
+            lzop|lzo)   file_ext='.tar.lzo';;   # lzop
+            xz)         file_ext='.tar.xz';;    # xz
+            zstd|zst)   file_ext='.tar.zst';;   # zstd
+            tzst)       file_ext='.tzst';;      # zstd
+            *)          file_ext='.tar';;       # No compression
+        esac
+    else
+        file_ext='.tar'
+    fi
+
+    archive="${dst_path}/$(gen_backup_name "$file_ext")"
+
+    [ "$__verbose" ] && {
+        echo "Source path: $src_path"
+        echo "Destination path: $dst_path"
+        echo "Command: tar $exclude $opts $archive $src_path"
+    }
+
+    log "Archiving $src_path to $archive ..."
+    log "Command: tar $exclude $opts $archive $src_path"
+
+    # Run tar
+    try tar "$exclude" "$opts" "$archive" "$src_path"
+
+    # Append path to 'backups' array
+    backups+=("$archive")
+}