Initialization for psyncup script

This commit is contained in:
Akemi Izuko 2023-12-23 20:14:21 -07:00
parent 4cbf11aeed
commit 23b1089cbf
Signed by: akemi
GPG key ID: 8DE0764E1809E9FC

View file

@ -11,8 +11,8 @@ epilog = (
"""\
This program reads configuration from a file called """
+ CONFIG_NAME
+ """,
which must be in the same directory as the script runs in. For example:
+ """, which must be
in the same directory as the script runs in. For example:
{
"ssh_remote": "emiliko@10.0.0.1",
@ -71,67 +71,103 @@ group.add_argument(
action="store_true",
help="Overwrite local with remote changes",
)
group.add_argument(
"--init",
type=str,
metavar="<remote-directory>",
action="store",
help="Initialized current directory by pulling from remote path",
)
args = parser.parse_args()
# ==== Read in config file ====
try:
with open(CONFIG_NAME, "r") as f:
config = json.load(f)
def get_config():
global CONFIG_NAME
config["ssh_remote"]
config["remote_dir"]
try:
with open(CONFIG_NAME, "r") as f:
config = json.load(f)
config["ssh_remote"]
config["remote_dir"]
# Standardize rsync's handling of tailing /
if config["remote_dir"][-1] == "/" and config["remote_dir"] != "/":
config["remote_dir"] = config["remote_dir"][:-1]
except FileNotFoundError:
print(f"ERROR: {CONFIG_NAME} file was not found in this directory")
print(epilog)
exit(1)
except KeyError as e:
print(f"ERROR: {CONFIG_NAME} is missing required key {e}")
exit(1)
return config
# Standardize rsync's handling of tailing /
if config["remote_dir"][-1] == "/" and config["remote_dir"] != "/":
config["remote_dir"] = config["remote_dir"][:-1]
except FileNotFoundError:
print(f"ERROR: {CONFIG_NAME} file was not found in this directory")
print(epilog)
exit(1)
except KeyError as e:
print(f"ERROR: {CONFIG_NAME} is missing required key {e}")
exit(1)
# ==== Construct an rsync command ====
rsync_cmd = [
"rsync",
"--archive",
"--human-readable",
]
def build_commands(args, config):
rsync_cmd = [
"rsync",
"--archive",
"--human-readable",
]
if not args.no_compress:
rsync_cmd.append("--compress")
if not args.no_compress:
rsync_cmd.append("--compress")
if not args.no_delete:
rsync_cmd.append("--delete-during")
if not args.no_delete:
rsync_cmd.append("--delete-during")
if args.dry_run:
rsync_cmd.append("--dry-run")
if args.dry_run:
rsync_cmd.append("--dry-run")
if args.debug:
rsync_cmd.append("--info=progress2")
if args.debug:
rsync_cmd.append("--info=progress2")
if config.get("exclude") is not None:
for x in config["exclude"]:
rsync_cmd.append(f"--exclude={x}")
if config.get("exclude") is not None:
for x in config["exclude"]:
rsync_cmd.append(f"--exclude={x}")
ssh_cmd = [
"ssh",
config["ssh_remote"],
f"cat {config['remote_dir']}/{CONFIG_NAME}",
]
ssh_cmd = [
"ssh",
config["ssh_remote"],
f"cat {config['remote_dir']}/{CONFIG_NAME}",
]
remote_dir_str = config["ssh_remote"] + ":" + config["remote_dir"] + "/"
remote_dir_str = config["ssh_remote"] + ":" + config["remote_dir"] + "/"
if args.debug:
print("DEBUG rsync command: ", rsync_cmd)
print("DEBUG ssh copy command: ", ssh_cmd)
print("DEBUG rsync remote directory path: ", remote_dir_str)
if args.debug:
print("DEBUG rsync command: ", rsync_cmd)
print("DEBUG ssh copy command: ", ssh_cmd)
print("DEBUG rsync remote directory path: ", remote_dir_str)
return rsync_cmd, ssh_cmd, remote_dir_str
# ==== Perform command =====
def run_check():
def run_init(remote_dir, is_debug=False):
rsync_cmd = [
"rsync",
f"{remote_dir}/{CONFIG_NAME}",
".",
]
if is_debug:
print("DEBUG rsync init cmd: ", rsync_cmd)
rsync_code = subprocess.call(rsync_cmd)
if rsync_code != 0:
if is_debug:
print(f"rsync exited with code {rsync_code}")
print(f"Failed to get {CONFIG_NAME} from {remote_dir}")
exit(1)
def run_check(ssh_cmd, config):
check = subprocess.Popen(
ssh_cmd,
stdin=subprocess.DEVNULL,
@ -163,7 +199,7 @@ def run_check():
print("Up to date with remote")
def run_up():
def run_up(rsync_cmd, remote_dir_str, config):
rsync_cmd.append(os.getcwd() + "/")
rsync_cmd.append(remote_dir_str)
@ -180,7 +216,7 @@ def run_up():
exit(1)
def run_down():
def run_down(rsync_cmd, remote_dir_str):
rsync_cmd.append(remote_dir_str)
rsync_cmd.append(os.getcwd())
@ -192,12 +228,21 @@ def run_down():
if __name__ == "__main__":
if args.init:
run_init(args.init, args.debug)
args.down = True
config = get_config()
if args.check:
run_check()
_, ssh_cmd, _ = build_commands(args, config)
run_check(ssh_cmd, config)
elif args.up:
run_up()
rsync_cmd, _, remote_dir_str = build_commands(args, config)
run_up(rsync_cmd, remote_dir_str, config)
elif args.down:
run_down()
rsync_cmd, _, remote_dir_str = build_commands(args, config)
run_down(rsync_cmd, remote_dir_str)
else:
print("Unexpected error")
exit(2)