etorres/rbackup
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Add logging code and a few extra command-line flags

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This commit is contained in:
Eric Torres 2019-03-13 20:43:12 -07:00
parent f1f773bf95
commit ce4a5e84e0
1 changed files with 45 additions and 5 deletions
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50
bin/backup
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@ -10,7 +10,7 @@ import logging
import os.path import os.path
import rbackup.rsync as rsync import rbackup.rsync as rsync
from rbackup.hierarchy import Hierarchy from rbackup.hierarchy import Repository, Snapshot
# ========== Constants ========== # ========== Constants ==========
RSYNC_DEFAULT_OPTS = [ RSYNC_DEFAULT_OPTS = [
@ -18,15 +18,44 @@ RSYNC_DEFAULT_OPTS = [
"--hard-links", "--hard-links",
"--prune-dirs", "--prune-dirs",
"--backup", "--backup",
"--xattrs",
"--ignore-missing-args", "--ignore-missing-args",
] ]
EXTRA_RSYNC_OPTS = {"dry_run": "--dry-run"} EXTRA_RSYNC_OPTS = {
"dry_run": "--dry-run",
"delete": "--delete-after",
"checksum": "--checksum",
"update": "--update",
}
# ========== Logging Setup ========== # ========== Logging Setup ==========
console_formatter = logging.Formatter(LOGFORMAT)
syslog = logging.getLogger("packaging_scripts")
syslog.setLevel(logging.DEBUG)
stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setLevel(logging.INFO)
stdout_handler.setFormatter(console_formatter)
stdout_handler.addFilter(lambda record: record.levelno <= logging.INFO)
stderr_handler = logging.StreamHandler(sys.stderr)
stderr_handler.setLevel(logging.WARNING)
stderr_handler.setFormatter(console_formatter)
syslog.addHandler(stdout_handler)
syslog.addHandler(stderr_handler)
# ========== Main Script ========== # ========== Main Script ==========
if __name__ == "__main__": if __name__ == "__main__":
parser = argparse.ArgumentParser() parser = argparse.ArgumentParser()
parser.add_argument(
"-c",
"--use-checksums",
action="store_const",
dest="extra_rsync_opts",
const=EXTRA_RSYNC_OPTS["checksum"],
help="use rsync's checksumming feature to look for changed files"
)
parser.add_argument( parser.add_argument(
"-d", "-d",
"--dry-run", "--dry-run",
@ -35,15 +64,26 @@ if __name__ == "__main__":
const=EXTRA_RSYNC_OPTS["dry_run"], const=EXTRA_RSYNC_OPTS["dry_run"],
help="pass --dry-run to rsync", help="pass --dry-run to rsync",
) )
parser.add_argument("dest", help="destination directory", metavar="destination") parser.add_argument(
"-v", "--verbose", action="store_true", help="increase script verbosity"
)
parser.add_argument("operation", help="the operation to perform", metavar="op")
parser.add_argument("repository", help="repository to back up to", metavar="repo")
args = parser.parser_args() args = parser.parser_args()
repo = Repository(args.repository)
hier = Hierarchy(args.dest)
link_dest = hier.prev_snapshot link_dest = hier.prev_snapshot
if args.verbose:
stdout_handler.setLevel(logging.DEBUG)
# Handle empty repository
# else handle regular repository
# Backup to hier.curr_snapshot # Backup to hier.curr_snapshot
# Relink 'prev' to point to current snapshot # Relink 'prev' to point to latest snapshot
os.remove(hier.prev_snapshot_link) os.remove(hier.prev_snapshot_link)
os.symlink(curr_snapshot, hier.prev_snapshot_link, target_is_directory=True) os.symlink(curr_snapshot, hier.prev_snapshot_link, target_is_directory=True)