[7260bdc2] | 1 | import subprocess |
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| 2 | import os |
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| 3 | import shutil |
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| 4 | |
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| 5 | def ogCalculateChecksum(*args): |
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| 6 | # Check if help is requested |
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| 7 | if "help" in args: |
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| 8 | print("ogCalculateChecksum [ str_repo | int_ndisk int_npartition ] path_filepath") |
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| 9 | print("ogCalculateChecksum REPO ubuntu.img ==> ef899299caf8b517ce36f1157a93d8bf") |
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| 10 | return |
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| 11 | |
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| 12 | # Get the file path |
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| 13 | file_path = ogGetPath(*args) |
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| 14 | if not file_path: |
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| 15 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 16 | return |
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| 17 | |
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| 18 | # Calculate the checksum |
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| 19 | result = subprocess.run(["tail", "-c1M", file_path], capture_output=True) |
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| 20 | checksum = result.stdout.decode().split()[0] |
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| 21 | |
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| 22 | return checksum |
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| 23 | |
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| 24 | def ogCompareChecksumFiles(*args): |
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| 25 | # Variables locales. |
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| 26 | ARGS = args |
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| 27 | if "help" in args: |
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| 28 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_filepath", "if $FUNCNAME REPO ubuntu.img CACHE ubuntu.img; then ...; fi") |
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| 29 | return |
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| 30 | |
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| 31 | ARGS = args |
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| 32 | if args[0].startswith("/"): |
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| 33 | # Camino completo. */ (Comentario Doxygen) |
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| 34 | SOURCE = ogGetPath(*args[:1]) |
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| 35 | args = args[1:] |
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| 36 | elif args[0].isdigit(): |
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| 37 | # ndisco npartición. |
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| 38 | SOURCE = ogGetPath(*args[:3]) |
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| 39 | args = args[3:] |
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| 40 | else: |
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| 41 | # Otros: repo, cache, cdrom (no se permiten caminos relativos). |
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| 42 | SOURCE = ogGetPath(*args[:2]) |
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| 43 | args = args[2:] |
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| 44 | |
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| 45 | TARGET = ogGetPath(*args) |
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| 46 | |
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| 47 | # Comparar los ficheros de checksum. |
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| 48 | return "$(cat "$SOURCE.sum" 2>/dev/null)" == "$(cat "$TARGET.sum" 2>/dev/null)" |
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| 49 | |
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| 50 | def ogCalculateFullChecksum(*args): |
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| 51 | # Variables locales. |
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| 52 | FILE = None |
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| 53 | if "help" in args: |
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| 54 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_filepath", "$FUNCNAME REPO ubuntu.img ==> ef899299caf8b517ce36f1157a93d8bf") |
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| 55 | return |
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| 56 | |
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| 57 | # Comprobar que existe el fichero y devolver sus datos. |
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| 58 | FILE = ogGetPath(*args) |
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| 59 | if not FILE: |
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| 60 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 61 | return |
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| 62 | |
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| 63 | # Calculate the checksum |
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| 64 | result = subprocess.run(["md5sum", FILE, "-b"], capture_output=True) |
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| 65 | checksum = result.stdout.decode().split()[0] |
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| 66 | |
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| 67 | return checksum |
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| 68 | |
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| 69 | def ogCopyFile(*args): |
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| 70 | # Variables locales. |
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| 71 | ARGS = args |
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| 72 | if "help" in args: |
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| 73 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_source [ str_repo | int_ndisk int_npartition ] path_target", "$FUNCNAME REPO newfile.txt 1 2 /tmp/newfile.txt") |
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| 74 | return |
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| 75 | |
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| 76 | ARGS = args |
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| 77 | if args[0].startswith("/"): |
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| 78 | # Camino completo. */ (Comentrio Doxygen) |
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| 79 | SOURCE = ogGetPath(*args[:1]) |
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| 80 | args = args[1:] |
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| 81 | elif args[0].isdigit(): |
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| 82 | # ndisco npartición. |
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| 83 | SOURCE = ogGetPath(*args[:3]) |
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| 84 | args = args[3:] |
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| 85 | else: |
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| 86 | # Otros: repo, cache, cdrom (no se permiten caminos relativos). |
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| 87 | SOURCE = ogGetPath(*args[:2]) |
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| 88 | args = args[2:] |
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| 89 | |
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| 90 | TARGET = ogGetPath(*args) |
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| 91 | |
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| 92 | # Comprobar fichero origen y directorio destino. |
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| 93 | if not SOURCE: |
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| 94 | ogRaiseError(OG_ERR_NOTFOUND, *args[:-1]) |
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| 95 | return |
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| 96 | if not TARGET: |
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| 97 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 98 | return |
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| 99 | |
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| 100 | # Copiar fichero (para evitar problemas de comunicaciones las copias se hacen con rsync en vez de cp). |
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| 101 | result = subprocess.run(["rsync", "--progress", "--inplace", "-avh", SOURCE, TARGET]) |
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| 102 | return result.returncode |
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| 103 | |
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| 104 | def ogDeleteFile(*args): |
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| 105 | # Variables locales. |
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| 106 | FILE = None |
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| 107 | if "help" in args: |
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| 108 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_file", "$FUNCNAME 1 2 /tmp/newfile.txt") |
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| 109 | return |
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| 110 | |
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| 111 | # Comprobar que existe el fichero y borrarlo. |
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| 112 | FILE = ogGetPath(*args) |
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| 113 | if not FILE: |
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| 114 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 115 | return |
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| 116 | try: |
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| 117 | os.remove(FILE) |
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| 118 | except OSError as e: |
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| 119 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 120 | return |
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| 121 | |
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| 122 | def ogDeleteTree(*args): |
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| 123 | # Variables locales. |
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| 124 | DIR = None |
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| 125 | if "help" in args: |
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| 126 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_dir", "$FUNCNAME 1 2 /tmp/newdir") |
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| 127 | return |
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| 128 | |
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| 129 | # Comprobar que existe el directorio y borrarlo con su contenido. |
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| 130 | DIR = ogGetPath(*args) |
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| 131 | if not DIR: |
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| 132 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 133 | return |
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| 134 | try: |
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| 135 | shutil.rmtree(DIR) |
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| 136 | except OSError as e: |
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| 137 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 138 | return |
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| 139 | |
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| 140 | def ogGetPath(*args): |
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| 141 | # Variables locales. |
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| 142 | MNTDIR = None |
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| 143 | FILE = None |
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| 144 | PREVFILE = None |
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| 145 | FILEPATH = None |
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| 146 | CURRENTDIR = None |
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| 147 | |
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| 148 | # Si se solicita, mostrar ayuda. |
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| 149 | if "help" in args: |
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| 150 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_filepath", "$FUNCNAME \"/mnt/sda1/windows/system32\" ==> /mnt/sda1/WINDOWS/System32", "$FUNCNAME REPO /etc/fstab ==> /opt/opengnsys/images/etc/fstab", "$FUNCNAME 1 1 \"/windows/system32\" ==> /mnt/sda1/WINDOWS/System32") |
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| 151 | return |
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| 152 | |
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| 153 | # Procesar camino según el número de parámetros. |
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| 154 | if len(args) == 1: |
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| 155 | FILE = args[0] |
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| 156 | elif len(args) == 2: |
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| 157 | if args[0].upper() == "REPO": |
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| 158 | FILE = os.path.join(OGIMG, args[1]) |
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| 159 | elif args[0].upper() == "CACHE": |
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| 160 | MNTDIR = ogMountCache() |
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| 161 | if not MNTDIR: |
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| 162 | return |
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| 163 | FILE = os.path.join(MNTDIR, OGIMG, args[1]) |
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| 164 | elif args[0].upper() == "CDROM": |
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| 165 | MNTDIR = ogMountCdrom() |
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| 166 | if not MNTDIR: |
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| 167 | return |
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| 168 | FILE = os.path.join(MNTDIR, args[1]) |
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| 169 | else: |
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| 170 | ogRaiseError(OG_ERR_FORMAT) |
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| 171 | return |
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| 172 | elif len(args) == 3: |
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| 173 | MNTDIR = ogMount(args[0], args[1]) |
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| 174 | if not MNTDIR: |
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| 175 | return |
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| 176 | FILE = os.path.join(MNTDIR, args[2]) |
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| 177 | else: |
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| 178 | ogRaiseError(OG_ERR_FORMAT) |
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| 179 | return |
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| 180 | |
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| 181 | # Eliminar caracteres \c / duplicados y finales. |
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| 182 | FILE = os.path.normpath(FILE) |
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| 183 | |
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| 184 | # Comprobar si existe el fichero para reducir tiempos. |
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| 185 | if os.path.exists(FILE): |
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| 186 | FILEPATH = FILE |
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| 187 | else: |
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| 188 | # Buscar el nombre correcto en cada subdirectorio del camino. |
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| 189 | FILEPATH = "/" |
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| 190 | while FILE != PREVFILE: |
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| 191 | FILEPATH = os.path.join(FILEPATH.rstrip("/"), FILE.split("/")[0]) |
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| 192 | PREVFILE = FILE |
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| 193 | FILE = "/".join(FILE.split("/")[1:]) |
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| 194 | |
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| 195 | if FILEPATH: |
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| 196 | return FILEPATH |
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| 197 | else: |
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| 198 | return None |
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| 199 | |
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| 200 | def ogGetParentPath(*args): |
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| 201 | # Variables locales. |
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| 202 | PARENT = None |
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| 203 | if "help" in args: |
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| 204 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_filepath", "$FUNCNAME \"/mnt/sda1/windows/system32\" ==> /mnt/sda1/WINDOWS", "$FUNCNAME REPO /etc/fstab ==> /opt/opengnsys/images/etc", "$FUNCNAME 1 1 \"/windows/system32\" ==> /mnt/sda1/WINDOWS") |
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| 205 | return |
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| 206 | |
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| 207 | # Procesar camino según el número de parámetros. |
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| 208 | if len(args) == 1: |
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| 209 | PARENT = os.path.dirname(args[0]) |
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| 210 | elif len(args) == 2: |
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| 211 | PARENT = f"{args[0]} {os.path.dirname(f'/{args[1]}')}" |
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| 212 | elif len(args) == 3: |
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| 213 | PARENT = f"{args[0]} {args[1]} {os.path.dirname(f'/{args[2]}')}" |
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| 214 | else: |
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| 215 | ogRaiseError(OG_ERR_FORMAT) |
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| 216 | return |
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| 217 | |
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| 218 | return ogGetPath(PARENT) |
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| 219 | |
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| 220 | def ogIsNewerFile(*args): |
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| 221 | # Variables locales. |
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| 222 | ARGS = args |
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| 223 | if "help" in args: |
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| 224 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_source [ str_repo | int_ndisk int_npartition ] path_target", "if $FUNCNAME REPO ubuntu.img CACHE ubuntu.img; then ... fi") |
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| 225 | return |
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| 226 | |
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| 227 | ARGS = args |
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| 228 | if args[0].startswith("/"): |
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| 229 | # Camino completo. */ (Comentrio Doxygen) |
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| 230 | SOURCE = ogGetPath(*args[:1]) |
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| 231 | args = args[1:] |
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| 232 | elif args[0].isdigit(): |
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| 233 | # ndisco npartición. |
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| 234 | SOURCE = ogGetPath(*args[:3]) |
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| 235 | args = args[3:] |
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| 236 | else: |
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| 237 | # Otros: repo, cache, cdrom (no se permiten caminos relativos). |
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| 238 | SOURCE = ogGetPath(*args[:2]) |
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| 239 | args = args[2:] |
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| 240 | |
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| 241 | TARGET = ogGetPath(*args) |
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| 242 | |
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| 243 | # Comprobar que existen los ficheros origen y destino. |
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| 244 | if not SOURCE: |
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| 245 | ogRaiseError(OG_ERR_NOTFOUND, *args[:-1]) |
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| 246 | return |
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| 247 | if not TARGET: |
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| 248 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 249 | return |
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| 250 | |
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| 251 | # Devolver si el primer fichero se ha modificado después que el segundo. |
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| 252 | return os.path.getmtime(SOURCE) > os.path.getmtime(TARGET) |
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| 253 | |
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| 254 | def ogMakeChecksumFile(*args): |
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| 255 | # Variables locales. |
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| 256 | FILE = None |
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| 257 | if "help" in args: |
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| 258 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_filepath", "$FUNCNAME REPO ubuntu.img") |
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| 259 | return |
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| 260 | |
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| 261 | # Comprobar que existe el fichero y guardar su checksum. |
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| 262 | FILE = ogGetPath(*args) |
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| 263 | if not FILE: |
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| 264 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 265 | return |
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| 266 | checksum = ogCalculateChecksum(FILE) |
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| 267 | with open(f"{FILE}.sum", "w") as f: |
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| 268 | f.write(checksum) |
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| 269 | |
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| 270 | def ogMakeDir(*args): |
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| 271 | # Variables locales. |
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| 272 | PARENT = None |
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| 273 | DIR = None |
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| 274 | if "help" in args: |
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| 275 | ogHelp("$FUNCNAME", "$FUNCNAME [ str_repo | int_ndisk int_npartition ] path_dir", "$FUNCNAME 1 2 /tmp/newdir") |
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| 276 | return |
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| 277 | |
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| 278 | PARENT = ogGetParentPath(*args) |
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| 279 | if not PARENT: |
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| 280 | ogRaiseError(OG_ERR_NOTFOUND, *args) |
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| 281 | return |
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| 282 | |
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| 283 | DIR = os.path.basename(args[-1]) |
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| 284 | os.makedirs(os.path.join(PARENT, DIR), exist_ok=True) |
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