etorres/rbackup
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Version 3 of working prototype backup script

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This commit is contained in:
Eric Torres 2019-03-17 19:16:21 -07:00
parent ab3eed008c
commit d8eb9837af
1 changed files with 73 additions and 5 deletions
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78
bin/backup
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@ -40,8 +40,11 @@ EXTRA_RSYNC_OPTS = {
"update": "--update", "update": "--update",
} }
ETC_INCLUDE_FILE = "/etc/rbackup/etc-include.conf" CONFIG_DIR = "/etc/rbackup"
ETC_INCLUDE_FILE = f"{CONFIG_DIR}/etc-include.conf"
HOME_EXCLUDE_FILE = f"{CONFIG_DIR}/home-exclude.conf"
# ----- Error Codes -----
E_FAILED_PROCESS = 1 E_FAILED_PROCESS = 1
# ========== Logging Setup ========== # ========== Logging Setup ==========
@ -64,11 +67,20 @@ syslog.addHandler(stderr_handler)
# ========== Functions ========== # ========== Functions ==========
def backup_all(s, prev, rsync_opts): def backup_all(s, prev, rsync_opts):
"""Run all backup functions.
:param s: snapshot to back up to
:type s: Snapshot object
:param prev: previous snapshot for hardlinking
:type prev: Snapshot object or None
:param opts: options to pass to rsync
:type opts: list
"""
raise NotImplementedError raise NotImplementedError
def backup_etc(s, prev, rsync_opts): def backup_etc(s, prev, rsync_opts):
"""Create a backup of /etc """Create a backup of /etc.
:param s: snapshot to back up to :param s: snapshot to back up to
:type s: Snapshot object :type s: Snapshot object
@ -88,15 +100,71 @@ def backup_etc(s, prev, rsync_opts):
rsync(*local_opts, "/etc/", str(s.etc_dir)) rsync(*local_opts, "/etc/", str(s.etc_dir))
def backup_home(): def backup_home(s, prev, rsync_opts):
"""Create a backup of /home.
:param s: snapshot to back up to
:type s: Snapshot object
:param prev: previous snapshot for hardlinking
:type prev: Snapshot object or None
:param opts: options to pass to rsync
:type opts: list
"""
local_opts = rsync_opts
local_opts.append(f"--exclude-from={HOME_EXCLUDE_FILE}")
if prev is not None:
rsync_opts.append(f"--link-dest={prev_snapshot.home_dir}")
syslog.debug("Creating directory {s.home_dir}")
s.home_dir.mkdir(parents=True, exist_ok=False)
rsync(*local_opts, "/home/", str(s.home_dir))
def backup_pkgmanager(s, prev, rsync_opts):
"""Create a backup of package manager files.
:param s: snapshot to back up to
:type s: Snapshot object
:param prev: previous snapshot for hardlinking
:type prev: Snapshot object or None
:param opts: options to pass to rsync
:type opts: list
"""
raise NotImplementedError raise NotImplementedError
def backup_pkgmanager(): def backup_root_home(s, prev, rsync_opts):
raise NotImplementedError """Create a backup of /root.
:param s: snapshot to back up to
:type s: Snapshot object
:param prev: previous snapshot for hardlinking
:type prev: Snapshot object or None
:param opts: options to pass to rsync
:type opts: list
"""
local_opts = rsync_opts
local_opts.append(f"--exclude-from={HOME_EXCLUDE_FILE}")
if prev is not None:
rsync_opts.append(f"--link-dest={prev_snapshot.root_home_dir}")
syslog.debug("Creating directory {s.root_home_dir}")
s.root_home_dir.mkdir(parents=True, exist_ok=False)
rsync(*local_opts, "/root/", str(s.root_home_dir))
def backup_system(): def backup_system():
"""Create a backup of system directories.
:param s: snapshot to back up to
:type s: Snapshot object
:param prev: previous snapshot for hardlinking
:type prev: Snapshot object or None
:param opts: options to pass to rsync
:type opts: list
"""
raise NotImplementedError raise NotImplementedError