le whoops

.python-version

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+3.12.2

LICENSE

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+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    {one line to give the program's name and a brief idea of what it does.}
+    Copyright (C) {year}  {name of author}
+
+    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 <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    {project}  Copyright (C) {year}  {fullname}
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

Pipfile

@@ -0,0 +1,12 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+pyaml = "*"
+
+[dev-packages]
+
+[requires]
+python_version = "3.12"

Pipfile.lock

@@ -0,0 +1,87 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "ca9ff7c7d2ec2dd861e573b423daae217bde726c51532a624cd495d82bdc4662"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.12"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "pyaml": {
+            "hashes": [
+                "sha256:90407d74c95a55d9b41d3860fcc1759640444d2795df748a328d077bc4f58393",
+                "sha256:ce6f648efdfb1b3a5579f8cedb04facf0fa1e8f64846b639309b585bb322b4e5"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.8'",
+            "version": "==23.12.0"
+        },
+        "pyyaml": {
+            "hashes": [
+                "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5",
+                "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc",
+                "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df",
+                "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741",
+                "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206",
+                "sha256:18aeb1bf9a78867dc38b259769503436b7c72f7a1f1f4c93ff9a17de54319b27",
+                "sha256:1d4c7e777c441b20e32f52bd377e0c409713e8bb1386e1099c2415f26e479595",
+                "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62",
+                "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98",
+                "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696",
+                "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290",
+                "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9",
+                "sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d",
+                "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6",
+                "sha256:4fb147e7a67ef577a588a0e2c17b6db51dda102c71de36f8549b6816a96e1867",
+                "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47",
+                "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486",
+                "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6",
+                "sha256:596106435fa6ad000c2991a98fa58eeb8656ef2325d7e158344fb33864ed87e3",
+                "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007",
+                "sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938",
+                "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0",
+                "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c",
+                "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735",
+                "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d",
+                "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28",
+                "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4",
+                "sha256:9046c58c4395dff28dd494285c82ba00b546adfc7ef001486fbf0324bc174fba",
+                "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8",
+                "sha256:a08c6f0fe150303c1c6b71ebcd7213c2858041a7e01975da3a99aed1e7a378ef",
+                "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5",
+                "sha256:afd7e57eddb1a54f0f1a974bc4391af8bcce0b444685d936840f125cf046d5bd",
+                "sha256:b1275ad35a5d18c62a7220633c913e1b42d44b46ee12554e5fd39c70a243d6a3",
+                "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0",
+                "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515",
+                "sha256:baa90d3f661d43131ca170712d903e6295d1f7a0f595074f151c0aed377c9b9c",
+                "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c",
+                "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924",
+                "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34",
+                "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43",
+                "sha256:c8098ddcc2a85b61647b2590f825f3db38891662cfc2fc776415143f599bb859",
+                "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673",
+                "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54",
+                "sha256:d858aa552c999bc8a8d57426ed01e40bef403cd8ccdd0fc5f6f04a00414cac2a",
+                "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b",
+                "sha256:f003ed9ad21d6a4713f0a9b5a7a0a79e08dd0f221aff4525a2be4c346ee60aab",
+                "sha256:f22ac1c3cac4dbc50079e965eba2c1058622631e526bd9afd45fedd49ba781fa",
+                "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c",
+                "sha256:fca0e3a251908a499833aa292323f32437106001d436eca0e6e7833256674585",
+                "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d",
+                "sha256:fd66fc5d0da6d9815ba2cebeb4205f95818ff4b79c3ebe268e75d961704af52f"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==6.0.1"
+        }
+    },
+    "develop": {}
+}

README.md

@@ -0,0 +1,61 @@
+
+# Mike's Disk Usage Warn Thing
+
+This is a simple script that will emit a warning to stderr when your disk usage surpasses a configured threshold.
+Makes it easy to get emails fron crontab when your disk gets too full
+
+## Requirements
+
+* pyenv
+
+  * pipenv inside
+
+* *logger* program, which should be on most distributions
+
+## Installation
+
+1. Install [pyenv](https://github.com/pyenv/pyenv)
+
+2. cd to this repo's directory and run `$ pyenv install` to get the correct version of python
+
+3. Install pipenv with `$ pip install --upgrade pip pipenv`
+
+4. Initialize the pip environment with `$ pipenv install`
+
+5. Create a yaml configuration file somewhere.
+
+6. Create a crontab entry that will call this script with an argument "--config" followed by the path to your configuration file.
+
+## Command Line Arguments
+
+This script needs command line arguments to work. Primarily, it needs to know the location of at least one valid configuration file
+
+### --config < path >
+
+Specifies a path to a configuration file or directory. If a directory is specified, it will be scanned for configuration files.
+
+### Example Call With Arguments
+
+```shell
+cd /path/to/this/repo && pipenv run python main.py --config "/my/config/path-1" --config "/my/config/path-2"
+```
+
+## Example Crontab Entry
+
+As mentioned, the easiest way to use this script is with crontabs.
+By default, cron jobs will send you an email any time a script outputs to stdout or stderr.
+Since this script will output lots of information to stdout,
+ and only output to stderr when a disk has become full,
+ it's useful to redirect stdout to /dev/null, like so:
+
+```shell
+cd /path/to/this/repo && pipenv run python main.py --config "/path/to/config" > /dev/null
+```
+
+So, in order to run this script every 5 minutes, use something like the following:
+
+```shell
+*/5 * * * * cd /path/to/this/repo && pipenv run python main.py --config "/path/to/config" > /dev/null
+```
+
+

domain/DiskUsageWarn.py

@@ -1,4 +1,3 @@
-#!/usr/env python3
 
 """
 
@@ -6,7 +5,7 @@ Mike's Disk Usage Warner
 
 A simple script to emit warnings out to stderr if a disk's usage surpasses a threshold
 
-Copyright 2019 Mike Peralta; All rights reserved
+Copyright 2019-2024 Mike Peralta; All rights reserved but for following license(s)
 
 Released under the GNU GENERAL PUBLIC LICENSE v3 (See LICENSE file for more)
 
@@ -14,6 +13,7 @@ Released under the GNU GENERAL PUBLIC LICENSE v3 (See LICENSE file for more)
 
 
 #
+import os
 import re
 import subprocess
 import sys
@@ -78,8 +78,27 @@ class DiskUsageWarn:
 		self.__configs = []
 		
 		#
-		for config_path in self.__config_paths:
-			self.consume_config(config_path)
+		for path in self.__config_paths:
+			
+			if os.path.isdir(path):
+				
+				self.log(path + " is actually a directory; Iterating over contained files (non-recursive)")
+				for file_name in os.listdir(path):
+					
+					one_config_path = os.path.join(path, file_name)
+					if re.match(r".+\.yaml$", file_name):
+						self.log("Found yaml: " + file_name)
+						self.consume_config(one_config_path)
+					else:
+						self.log("Ignoring non-yaml file: " + file_name)
+			
+			elif os.path.isfile(path):
+				
+				self.consume_config(path)
+				
+			else:
+				
+				raise Exception("Don't know what to do with config path:" + str(path))
 		
 		self.log("Consumed " + str(len(self.__configs)) + " configs")
 		
@@ -99,7 +118,7 @@ class DiskUsageWarn:
 			raise Exception("Unable to open config file: " + path)
 		
 		# Parse
-		config = yaml.load(f)
+		config = yaml.safe_load(f)
 		
 		# Add the config file's own path
 		config["path"] = path
@@ -108,8 +127,6 @@ class DiskUsageWarn:
 	
 	def run(self):
 		
-		self.log("Begin")
-		
 		self.consume_configs()
 		self.do_configs()
 	
@@ -121,15 +138,15 @@ class DiskUsageWarn:
 	def do_config(self, config):
 		
 		# Pull the max usage
-		if "max-usage" not in config.keys():
-			raise Exception("Did not find config key: max-usage")
-		max_percent = config["max-usage"]
+		self.assert_config_key(config, "max-usage", [int, str, list])
+		max_percent = str(config["max-usage"])
 		match = re.match("(?P<integer_percent>[0-9]+)%?", max_percent)
 		if not match:
 			raise Exception("Unable to parse configuration value for max-usage (integer percent)")
 		max_percent = int(match.group("integer_percent"))
 		
 		# Check each device
+		self.assert_config_key(config, "devices", list)
 		for device in config["devices"]:
 			
 			device_usage = self.get_device_usage(device)
@@ -141,6 +158,23 @@ class DiskUsageWarn:
 				)
 				self.stderr(error_message)
 	
+	@staticmethod
+	def assert_config_key(config, key, types):
+		
+		if not isinstance(types, list):
+			types = [types]
+		if len(types) == 0:
+			types = [list]
+		
+		if key not in config.keys():
+			raise Exception("Missing required config key: " + str(key))
+		
+		for t in types:
+			if isinstance(config[key], t):
+				return True
+		
+		raise Exception("Config key \"" + key + "\" should be one of these types \"" + str(types) + "\"")
+	
 	def get_device_usage(self, device):
 		
 		args = ["df", device]
@@ -174,14 +208,3 @@ class DiskUsageWarn:
 			stderr = stderr.decode()
 		
 		return process.returncode, stdout, stderr
-
-
-def main():
-	
-	duw = DiskUsageWarn()
-	duw.run()
-
-if __name__ == "__main__":
-	main()
-
-

main.py

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+
+
+from domain.DiskUsageWarn import DiskUsageWarn
+
+
+def main():
+
+	duw = DiskUsageWarn()
+	duw.run()
+
+
+if __name__ == "__main__":
+        main()
+
+