Merge branch 'dev'

.gitignore

@@ -0,0 +1,3 @@
+
+.idea/
+

.python-version

@@ -0,0 +1 @@
+3.12.4

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": [
+                "sha256:0e483d9289010e747a325dc43171bcc39d6562dd1dd4719e8cc7e7c96c99fce6",
+                "sha256:acc2b39c55cb0cbe4f694a6d3886f89ad3d2a5b3efcece526202f8de9a6b27de"
+            ],
+            "index": "pypi",
+            "markers": "python_version >= '3.8'",
+            "version": "==24.4.0"
+        },
+        "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": {}
+}

connection-specific-ssh-config

@@ -1,266 +0,0 @@
-#!/usr/bin/env python3
-
-
-#
-import configparser
-import json
-import logging
-import os
-import re
-import subprocess
-import sys
-import syslog
-
-
-#
-class SSHConfiger:
-	
-	#
-	_action_interface = None
-	_action_command = None
-	#
-	_config_file_path = None
-	_targets = None
-	_config = None
-	
-	#
-	def __init__(self, action_interface, action_command, config_file_path):
-		
-		#	Grab args
-		self._action_interface = action_interface
-		self._action_command = action_command
-		self._config_file_path = config_file_path
-	
-	#
-	def log(self, s):
-		
-		#
-		print ("[SSHConfiger]", s)
-		syslog.syslog("[SSHConfiger] " + s)
-	
-	#
-	def complain(self, s):
-		
-		#
-		syslog.syslog(syslog.LOG_ERR, "[SSHConfiger] " + s)
-		print("[SSHConfiger]", s, file=sys.stderr)
-	
-	#
-	def die(self, s):
-		
-		#
-		self.complain(s)
-		raise Exception(s)
-	
-	def quit(self, s):
-		
-		#
-		self.log("Quitting because: " + s)
-		sys.exit(0)
-		
-	#
-	def run(self):
-		
-		#
-		self.log("Running for interface \""+ self._action_interface +"\": " + self._action_command)
-		
-		#	Only run if an interface is coming up
-		if ( self._action_command != "up" ):
-			self.quit("We don't need to run for action command: " + str(self._action_command))
-		
-		#	Parse the config
-		self.parse_config()
-		
-		#	Grab the specified ssh directory
-		if ( "ssh_dir" not in self._config.keys() ):
-			self.die("Config file needs key \"ssh_dir\" inside \"config\" section")
-		ssh_dir = self._config["ssh_dir"]
-		self.log("SSH Dir: " + str(ssh_dir))
-		
-		#	Determine which ssh config file we should use
-		ssh_config_name = self.determine_ssh_config_name()
-		self.log("Determined ssh config name: " + str(ssh_config_name))
-		if not ssh_config_name:
-			self.die("Unable to determine appropriate ssh config name; Quitting")
-		
-		#	Make paths
-		ssh_config_path_link = os.path.join(ssh_dir, "config")
-		ssh_config_path_target = os.path.join(ssh_dir, ssh_config_name)
-		self.log("Selecting source config file \"" + ssh_config_path_target + "\" for link \"" + ssh_config_path_link + "\"")
-		
-		#	Don't run unless current ssh config is a symlink or not a file (for safety)
-		self.require_symlink_or_none(ssh_config_path_link)
-		
-		#	Set the symlink
-		try:
-			os.unlink(ssh_config_path_link)
-		except:
-			pass
-		os.symlink(ssh_config_path_target, ssh_config_path_link)
-		
-		#
-		self.log("Finished")
-	
-	#
-	def require_symlink_or_none(self, file_path):
-		
-		#
-		if ( not os.path.isfile(file_path) or os.path.islink(file_path) ):
-			return True
-		
-		#
-		self.die("For safety, we cannot continue if the target link exists and is a file (" + file_path + ")")
-	
-	
-	#
-	def determine_ssh_config_name(self):
-		
-		#
-		self.log("Attempting to determine SSH config name")
-		
-		#	Check each section
-		found_ssh_config_name = None
-		for section_name in self._targets:
-			
-			#
-			section = self._targets[section_name]
-			self.log("Examining section: " + str(section_name))
-			
-			#	Don't examine default if anything is picked already
-			if section_name == "default" and found_ssh_config_name:
-				self.log("Skipping default section because we've already found at least one match: " + str(found_ssh_config_name))
-				continue
-			
-			#	Check the interface
-			interface_matched = False
-			if (
-				#	Matches, if current interface found in adapters
-				self._action_interface in section["adapters"]
-				
-				#	Can also match if we're in section "default"
-				or section_name == "default"
-			):
-				interface_matched = True
-			if not interface_matched:
-				self.log("Section \"" + str(section_name) + "\" didn't match any interfaces; Skipping")
-				continue
-			
-			#	Grab the SSID this adapter is currently connected to
-			interface_ssid = self.get_interface_ssid(self._action_interface)
-			if not interface_ssid:
-				self.log("Interface \"" + str(interface_ssid) + "\" isn't connected to anything ... ")
-			self.log("Interface \"" + str(self._action_interface) + "\" is currently connected to: \"" + str(interface_ssid) + "\"")
-			
-			#	Must also match at least one SSID,
-			#	OR we're in the default section
-			if interface_ssid not in section["ssids"] and section_name != "default":
-				self.log("Did not find SSID \"" + interface_ssid + "\" in section ssids: " + str(section["ssids"]))
-				continue
-			
-			#	Found a match!
-			found_ssh_config_name = section["ssh_config_name"]
-			self.log("Found matching ssh config name: " + str(found_ssh_config_name))
-		
-		#	Didn't find anything? Go default ...
-		if (not found_ssh_config_name):
-			if ( "default" in self._targets.keys() ):
-				if ( "ssh_config_name" in self._targets["default"].keys() ):
-					found_ssh_config_name = self._targets["default"]["ssh_config_name"]
-					self.log("No matches found; Defaulting to:" + found_ssh_config_name)
-		
-		#
-		return found_ssh_config_name
-	
-	#
-	def get_interface_ssid(self, interface):
-		
-		#
-		p = subprocess.Popen(["nmcli", "dev", "show", interface], stdout=subprocess.PIPE)
-		(stdout, stderr) = p.communicate()
-		stdout = stdout.decode()
-		
-		#
-		r = re.compile("""^GENERAL.CONNECTION:\s+(?P<ssid>[^\s].+)$""", re.MULTILINE)
-		match = r.search(stdout)
-		
-		return match.group("ssid")
-		
-	#
-	def parse_config(self):
-		
-		#
-		self.log("Parsing config: " + self._config_file_path)
-		parser = configparser.ConfigParser()
-		parser.read( self._config_file_path )
-		
-		#	Attempt to grab global config
-		if ( "config" not in parser.sections() ):
-			self.die("config section not found")
-		config = parser["config"]
-		
-		#	Targets
-		targets = {}
-		for section in parser.sections():
-			
-			#	Skip the config section
-			if ( section == "config" ):
-				continue
-			
-			#
-			self.log("Parsing config target: \"" + section + "\"")
-			target = {
-				"adapters" : [],
-				"ssids" : []
-			}
-			
-			#	Adapters
-			if ( parser.has_option(section, "adapters") ):
-				target["adapters"] = json.loads( parser[section]["adapters"] )
-			if ( parser.has_option(section, "adapter") ):
-				target["adapters"].append( parser[section]["adapter"] )
-			
-			#	SSIDs
-			if ( parser.has_option(section, "ssids") ):
-				target["ssids"] = json.loads( parser[section]["ssids"] )
-			if ( parser.has_option(section, "ssid") ):
-				target["ssids"].append( parser[section]["ssid"] )
-			
-			#	ssh_config_name
-			if ( parser.has_option(section, "ssh_config_name") ):
-				target["ssh_config_name"] = parser[section]["ssh_config_name"]
-			else:
-				raise Exception("ssh_config_name key missing from section: " + section)
-			
-			#
-			targets[section] = target
-			self.log("Parsed config for config target \"" + section + "\": " + str(target))
-		
-		#
-		self._config = config
-		self._targets = targets
-		
-		return True
-
-
-#	Main Entry
-if (__name__ == "__main__"):
-	
-	#	Script name
-	script_name = sys.argv[0]
-	
-	#	Network Manager action info
-	action_interface = sys.argv[1]
-	action_command = sys.argv[2]
-	
-	#	Config file
-	config_file_path = sys.argv[3]
-	
-	#
-	configger = SSHConfiger(action_interface, action_command, config_file_path)
-	configger.run()
-
-
-
-
-
-

domain/Logger.py

@@ -0,0 +1,20 @@
+
+
+import sys
+import syslog
+
+
+class Logger:
+	
+	@staticmethod
+	def log(s):
+		
+		print("[SSHConfiger]", s)
+		syslog.syslog("[SSHConfiger] " + s)
+	
+	#
+	@staticmethod
+	def complain(s):
+		
+		syslog.syslog(syslog.LOG_ERR, "[SSHConfiger] " + s)
+		print("[SSHConfiger]", s, file=sys.stderr)

domain/SSHConfigChanger.py

@@ -0,0 +1,196 @@
+
+
+from domain.config.Config import Config
+from domain.config.Config import Target
+from domain.Logger import Logger
+
+
+import os
+from pathlib import Path
+import re
+import subprocess
+import sys
+
+
+class SSHConfigChanger:
+	
+	def __init__(
+			self,
+			action_interface, action_command,
+			config_file_path,
+			dry_run: bool = False,
+	):
+		self.__logger = Logger(
+		
+		)
+		
+		self.__config = Config(
+			logger=self.__logger,
+			file_path=config_file_path
+		)
+		if dry_run:
+			self.__logger.complain(f"Dry run enabled at runtime")
+			self.__config.dry_run = True
+		
+		# Grab args
+		self.__action_interface = action_interface
+		self.__action_command = action_command
+	
+	def die(self, s):
+		
+		#
+		self.__logger.complain(s)
+		raise Exception(s)
+	
+	def quit(self, s):
+		
+		#
+		self.__logger.log("Quitting because: " + s)
+		sys.exit(0)
+		
+	#
+	def run(self):
+		
+		self.__logger.log(
+			f"Running for interface {self.__action_interface}: {self.__action_command}"
+		)
+		
+		# Only run if an interface is coming up
+		if self.__action_command != "up":
+			self.quit(f"We don't need to run for action command: {self.__action_command}")
+		
+		# Determine which ssh config file we should use
+		ssh_config_target = self.determine_ssh_config_target()
+		if ssh_config_target is None:
+			self.die("Unable to determine appropriate ssh config name; Quitting")
+		self.__logger.log(
+			f"Determined ssh config name: {ssh_config_target.name}"
+		)
+		
+		# Make paths
+		ssh_config_path_link = self.__config.ssh_dir / self.__config.default_normal_ssh_config_file_name
+		ssh_config_path_target = self.__config.ssh_dir / ssh_config_target.ssh_config_file_name
+		self.__logger.log(
+			f"Selecting source config file \"{ssh_config_path_target}\""
+			f" for link \"{ssh_config_path_link}\""
+		)
+		
+		# Don't run unless current ssh config is a symlink or not a file (for safety)
+		self.require_symlink_or_none(ssh_config_path_link)
+		
+		if self.__config.dry_run:
+			
+			self.__logger.complain(
+				f"Dry run enabled; Won't unlink existing symlink: {ssh_config_path_link}"
+			)
+			self.__logger.complain(
+				f"Dry run enabled; Won't create symlink: {ssh_config_path_link} ==> {ssh_config_path_target}"
+			)
+			
+		else:
+		
+			# Set the symlink
+			if ssh_config_path_link.exists():
+				try:
+					ssh_config_path_link.unlink()
+				except FileNotFoundError:
+					pass
+			
+			ssh_config_path_link.symlink_to(ssh_config_path_target, target_is_directory=False)
+		
+		#
+		self.__logger.log("Finished")
+	
+	#
+	def require_symlink_or_none(self, file_path: Path):
+		
+		if file_path.is_file() and file_path.exists() and not file_path.is_symlink():
+			self.die(
+				f"For safety, refusing to continue because the target ssh config file exists and is not a symlink:"
+				f" {file_path}"
+			)
+	
+	def determine_ssh_config_target(self) -> Target:
+		
+		#
+		self.__logger.log("Attempting to determine SSH config name")
+		
+		# Start off by assuming the default target
+		# noinspection PyTypeChecker
+		selected_target = None
+		selected_target: Target
+		
+		# Check each section
+		for target_name in self.__config.targets:
+			
+			self.__logger.log(f"Examining target: {target_name}")
+			
+			if selected_target is not None and target_name == selected_target.name:
+				self.__logger.log(f"Ignoring target because it is already selected: {target_name}")
+				continue
+			
+			target = self.__config.targets[target_name]
+			
+			# Matches, if current interface found in adapters
+			if self.__action_interface not in target.adapters:
+				self.__logger.log(
+					f"Target \"{target_name}\" didn't match any interfaces; Skipping"
+				)
+				continue
+			
+			# Grab the SSID this adapter is currently connected to
+			interface_ssid = self.get_interface_ssid(self.__action_interface)
+			if not interface_ssid:
+				self.__logger.log(
+					f"Interface \"{interface_ssid}\" isn't connected to anything; Done looking"
+				)
+				break
+			self.__logger.log(
+				f"Interface \"{self.__action_interface}\" is currently connected to: \"{interface_ssid}\""
+			)
+			
+			# Must also match at least one SSID
+			if interface_ssid in target.ssids:
+				
+				self.__logger.log(
+					f"Found SSID \"{interface_ssid}\" in target {target_name}"
+				)
+				
+				# Only override selected target if this one has less SSIDs,
+				# or there is no currently selected target
+				if selected_target is None:
+					self.__logger.log(
+						f"Found first suitable target: {target_name}"
+					)
+					selected_target = target
+				if len(target.ssids) < len(selected_target.ssids):
+					self.__logger.log(
+						f"Target \"{target_name}\""
+						f" seems to be a better match than \"{selected_target.name}\""
+						f" because it has fewer specified SSIDs"
+						f" ({len(target.ssids)} vs. {len(selected_target.ssids)})"
+					)
+					selected_target = target
+		
+		if selected_target is None:
+			selected_target = self.__config.targets[self.__config.default_target_name]
+			self.__logger.log(f"No suitable target found; Defaulting to: {selected_target.name}")
+		
+		return selected_target
+	
+	@staticmethod
+	def get_interface_ssid(interface_name):
+		
+		#
+		p = subprocess.Popen(["nmcli", "dev", "show", interface_name], stdout=subprocess.PIPE)
+		(stdout, stderr) = p.communicate()
+		stdout = stdout.decode()
+		
+		#
+		r = re.compile(
+			pattern=r"^GENERAL.CONNECTION:\s+(?P<ssid>[^\s].+)$",
+			flags=re.MULTILINE
+		)
+		match = r.search(stdout)
+		
+		return match.group("ssid")

domain/config/Config.py

@@ -0,0 +1,278 @@
+
+
+from domain.Logger import Logger
+
+
+import os
+from pathlib import Path
+import yaml
+
+
+class Target:
+	
+	def __init__(self, logger: Logger, name):
+		
+		self.__logger = logger
+		
+		self.__name = name
+		self.__data = {}
+		
+		self.__adapters_names = []
+		self.__ssids = []
+		
+		# noinspection PyTypeChecker
+		self.__ssh_config_file_name: str = None
+	
+	def __str__(self):
+		
+		s = ""
+		
+		s += f"Target: {self.__name}"
+		s += f"\n> SSH config file name: {self.__ssh_config_file_name}"
+		s += f"\n> Adapters: "
+
+		if len(self.__adapters_names) > 0:
+			s += ", ".join(self.__adapters_names)
+		else:
+			s += "[none]"
+		s += f"\n> SSIDs: "
+
+		if len(self.__ssids) > 0:
+			s += ", ".join(self.__ssids)
+		else:
+			s += "[none]"
+		
+		return s
+	
+	def log(self, s):
+	
+		self.__logger.log(
+			f"[Target::{self.__name}] {s}"
+		)
+	
+	def complain(self, s):
+		
+		self.__logger.complain(
+			f"[Target::{self.__name}] {s}"
+		)
+		
+	def consume_data(self, data: dict):
+		
+		assert isinstance(data, dict), (
+			f"Data should be a dict (found: {type(data).__name__}) "
+		)
+		
+		self.__data = data
+		
+		assert "config-file-name" in self.__data.keys(), (
+			f"Name of ssh config file must be present at config-file-name"
+		)
+		config_file_name = self.__data["config-file-name"]
+		assert isinstance(config_file_name, str), (
+			f"config-file-name must be a string, but got: {type(config_file_name).__name__}"
+		)
+		self.__ssh_config_file_name = config_file_name
+		
+		if "adapters" in self.__data.keys():
+			adapters = self.__data["adapters"]
+			if isinstance(adapters, list):
+				pass
+			elif isinstance(adapters, str):
+				adapters = [adapters]
+			else:
+				raise AssertionError(f"Unsupported adapters data type: {type(adapters).__name__}")
+			self.__adapters_names.extend(adapters)
+		
+		if "adapter" in self.__data.keys():
+			adapters = self.__data["adapter"]
+			if isinstance(adapters, list):
+				pass
+			elif isinstance(adapters, str):
+				adapters = [adapters]
+			else:
+				raise AssertionError(f"Unsupported adapter data type: {type(adapters).__name__}")
+			self.__adapters_names.extend(adapters)
+		
+		if "ssids" in self.__data.keys():
+			ssids = self.__data["ssids"]
+			if isinstance(ssids, list):
+				pass
+			elif isinstance(ssids, str):
+				ssids = [ssids]
+			else:
+				raise AssertionError(f"Unsupported ssids data type: {type(ssids).__name__}")
+			self.__ssids.extend(ssids)
+			
+		if "ssid" in self.__data.keys():
+			ssids = self.__data["ssid"]
+			if isinstance(ssids, list):
+				pass
+			elif isinstance(ssids, str):
+				ssids = [ssids]
+			else:
+				raise AssertionError(f"Unsupported ssid data type: {type(ssids).__name__}")
+			self.__ssids.extend(ssids)
+		
+		assert len(self.__adapters_names) > 0, (
+			f"At least one adapter must be configured at target-name::adapters"
+		)
+	
+	@property
+	def name(self) -> str:
+		return self.__name
+	
+	@property
+	def ssh_config_file_name(self) -> str:
+		return self.__ssh_config_file_name
+	
+	@property
+	def adapters(self) -> list[str]:
+		return self.__adapters_names
+	
+	@property
+	def ssids(self) -> list[str]:
+		return self.__ssids
+
+
+class Config:
+	
+	__DEFAULT_NORMAL_SSH_CONFIG_FILE_NAME = "config"
+	__DEFAULT_SSH_DIRECTORY_NAME = ".ssh"
+	
+	def __init__(self, logger: Logger, file_path: str):
+		
+		self.__logger = logger
+		
+		if isinstance(file_path, str):
+			file_path = Path(file_path)
+		elif isinstance(file_path, Path):
+			pass
+		else:
+			raise AssertionError("File path should be a string or Path object")
+		
+		self.__file_path = file_path
+		
+		self.__data = {}
+		
+		self.__dry_run = False
+		self.__ssh_dir = Path(os.path.expanduser("~")) / self.__DEFAULT_SSH_DIRECTORY_NAME
+		# noinspection PyTypeChecker
+		self.__default_target_name: str = None
+		self.__targets = {}
+		
+		self._load_config()
+		self._consume_config()
+		
+		print(self)
+	
+	def __str__(self):
+		
+		s = ""
+		
+		s += "*** Config ***"
+		s += "\n Dry run: " + "True" if self.__dry_run else "False"
+		for target in self.__targets.values():
+			s += "\n" + str(target)
+		
+		return s
+	
+	def _load_config(self):
+		
+		assert self.__file_path.exists(), "Config file must exist"
+		
+		with open(self.__file_path) as f:
+			
+			self.__data = yaml.safe_load(f)
+	
+	def _consume_config(self):
+		
+		assert isinstance(self.__data, dict), (
+			f"Config data must be a dict"
+		)
+		
+		assert "options" in self.__data.keys(), (
+			f"Options key missing from config"
+		)
+		options = self.__data["options"]
+		assert isinstance(options, dict), "Config options must be a dict!"
+		
+		if "dry-run" in options.keys():
+			d = options["dry-run"]
+			assert isinstance(d, bool), "options::dry-run must be a bool"
+			if d:
+				self.__logger.complain(f"Dry run enabled in config")
+			self.__dry_run = d
+		
+		if "ssh-dir" in options.keys():
+			ssh_dir = Path(options["ssh-dir"])
+			assert ssh_dir.exists(), f"options::ssh-dir must be a valid directory"
+			self.__ssh_dir = ssh_dir
+			self.__logger.log(f"Found ssh dir: {self.__ssh_dir}")
+		else:
+			self.__logger.log(f"options::ssh-dir not found")
+		
+		assert "default-target" in options.keys(), (
+			f"Must specify the name of the default target at options::default-target"
+		)
+		default_target_name = options["default-target"]
+		assert isinstance(default_target_name, str), (
+			f"Default target name must be a string but got: {type(default_target_name).__name__}"
+		)
+		self.__default_target_name = default_target_name
+		
+		self.__targets = {}
+		
+		assert "targets" in self.__data.keys(), "Config should specify targets"
+		targets = self.__data["targets"]
+		assert isinstance(targets, dict), "Targets should be a dict, where each key is one target"
+		for target_name in targets.keys():
+			
+			self.__logger.log(f"Parsing target: {target_name}")
+			
+			try:
+				t = Target(
+					logger=self.__logger,
+					name=target_name,
+				)
+				t.consume_data(data=targets[target_name])
+			except AssertionError as e:
+				self.__logger.complain(
+					f"Failed to parse target \"{target_name}\""
+					f"\n{e}"
+				)
+				raise e
+			
+			self.__targets[target_name] = t
+		
+		if self.__default_target_name not in self.__targets.keys():
+			raise AssertionError(
+				f"Default target specified as {self.__default_target_name} but was not found in dict of targets"
+			)
+	
+	@property
+	def default_normal_ssh_config_file_name(self) -> str:
+		return self.__DEFAULT_NORMAL_SSH_CONFIG_FILE_NAME
+	
+	@property
+	def file_path(self) -> Path:
+		return self.__file_path
+	
+	@property
+	def dry_run(self) -> bool:
+		return self.__dry_run
+	
+	@dry_run.setter
+	def dry_run(self, b: bool):
+		self.__dry_run = b
+	
+	@property
+	def default_target_name(self) -> str:
+		return self.__default_target_name
+	
+	@property
+	def ssh_dir(self) -> Path | None:
+		return self.__ssh_dir
+	
+	@property
+	def targets(self) -> [Target]:
+		return self.__targets

init-environment

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+log()
+{
+	echo "[Connection Specific SSH Config - Init Env] $1"
+}
+complain()
+{
+	echo "[Connection Specific SSH Config - Init Env] $1" 1>&2
+}
+die()
+{
+	complain "Fatal: $1"
+	exit 1
+}
+
+SCRIPT_PATH=$(readlink -f "$0")
+SCRIPT_DIR=$(dirname "$SCRIPT_PATH")
+SCRIPT_NAME=$(basename "$SCRIPT_PATH")
+
+log "Begin ${SCRIPT_NAME}"
+log "Script path: ${SCRIPT_PATH}"
+log "Script dir: ${SCRIPT_DIR}"
+log "PATH: ${PATH}"
+
+log "PWD before switching: $(pwd)"
+cd "${SCRIPT_DIR}" || die "Failed to switch to project directory: ${SCRIPT_DIR}"
+log "PWD after switching: $(pwd)"
+
+log "Ensuring python installation with pyenv"
+pyenv versions
+pyenv install --skip-existing || die "Failed to ensure python installation with pyenv"
+
+log "Installing/upgrading pip and pipenv"
+pip install --upgrade pip pipenv || die "Failed to install/upgrade pip and pipenv"
+
+log "Syncing pip environment with pipenv"
+pipenv --rm  # Don't die because this will return an error if the env didn't already exist
+pipenv install || die "Failed to install pip environment with pipenv"
+pipenv sync || die "Failed to sync pip environment with pipenv"
+

main.py

@@ -0,0 +1,58 @@
+
+
+from domain.SSHConfigChanger import SSHConfigChanger
+
+
+import argparse
+
+
+def main():
+	
+	parser = argparse.ArgumentParser(
+		prog="Mike's SSH Config Changer"
+	)
+	
+	parser.add_argument(
+		"--dry-run", "-d",
+		dest="dry_run",
+		default=False,
+		action="store_true",
+		help="Pass this flag to print what would be changed, without actually changing anything"
+	)
+	
+	parser.add_argument(
+		"--config", "-c",
+		dest="config_file",
+		required=True,
+		help="Specify path to configuration file",
+	)
+	
+	parser.add_argument(
+		"--interface", "--action-interface",
+		dest="action_interface",
+		required=True,
+		help="Specify the interface specified by NetworkManager's action"
+	)
+	
+	parser.add_argument(
+		"--command", "--action-command",
+		dest="action_command",
+		required=True,
+		help="Specify the command specified by NetworkManager's action"
+	)
+	
+	args = parser.parse_args()
+	
+	configger = SSHConfigChanger(
+		dry_run=args.dry_run,
+		action_interface=args.action_interface,
+		action_command=args.action_command,
+		config_file_path=args.config_file,
+	)
+	configger.run()
+
+
+#   Main Entry
+if __name__ == "__main__":
+	main()
+