sped up the soft by about 3x using basic caching and threads

src/lxc/lxc.py

@@ -176,19 +176,7 @@ class LXC(LinuxMachine):
         Get IPv4
         :return: ipv4
         """
-        if self.is_running():
+        if self.ipv4 == "dhcp" or self.ipv4 == "auto":
-            if netmask:
-                return self.get_in_cache('network', 'ipv4_netmask',
-                                         default_value=self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
-
-            else:
-                return self.get_in_cache('network', 'ipv4',
-                                         default_value=self.retrieve_ipv4(netmask=netmask, use_ssh=use_ssh))
-
-        return self.ipv4
-
-    def retrieve_ipv4(self, netmask: bool = False, use_ssh: bool = False):
-        if self.ipv4 == "dhcp":
             if self.is_running():
                 if self.has_program("ip", use_ssh=use_ssh):
                     if netmask:
@@ -315,6 +303,7 @@ class LXC(LinuxMachine):
         Start LXC
         """
         self.pve.start_lxc(self.lxc_id)
+        self.ipv4 = self.get_ipv4()
 
     def stop(self):
         """

src/utils/machine.py

@@ -6,7 +6,8 @@ from src.utils import utils
 class LinuxMachine():
 
     def __init__(self):
-        self.cache = {}
+        self.known_programs = []
+        pass
 
     def update(self):
         pass
@@ -29,38 +30,21 @@ class LinuxMachine():
 
     def get_memory(self):
         """Get memory"""
-
+        return self.run_command("free -m | grep Mem | awk '{print $2}'")
-        memory = self.get_in_cache('system', 'memory')
-        if memory is None:
-            self.set_in_cache('system', 'memory', self.run_command("free -m | grep Mem | awk '{print $2}'"))
-
-        return self.get_in_cache('system', 'memory')
 
     def get_ipv4(self):
         """Get IPv4 address"""
-        ipv4 = self.get_in_cache('system', 'ipv4')
-        if ipv4 is None:
         if self.has_program("ip"):
-                self.set_in_cache('system', 'ipv4', self.run_command(command=
+            return self.run_command("""ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1  -d'/'""")
-                                                                     """ip addr | grep 'state UP' -A2 | tail -n1 | 
-                                                                     awk '{print $2}' | cut -f1  -d'/'"""))
         elif self.has_program("ifconfig"):
-                self.set_in_cache('system', 'ipv4',
+            return self.run_command(command="ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'")
-                                  self.run_command(command="ifconfig eth0 | awk '/inet addr/{print substr($2,6)}'"))
-
-        return self.get_in_cache('system', 'ipv4')
 
     def get_ipv6(self):
         pass
 
     def get_mac(self):
         """Get MAC address"""
-        mac = self.get_in_cache('system', 'mac')
+        return self.run_command("""cat /sys/class/net/$(ip route show default | awk '/default/ {print $5}')/address""")
-        if mac is None:
-            self.set_in_cache('system', 'mac', self.run_command(
-                """cat /sys/class/net/$(ip route show default | awk '/default/ {print $5}')/address"""))
-
-        return self.get_in_cache('system', 'mac')
 
     def start(self):
         pass
@@ -77,18 +61,16 @@ class LinuxMachine():
 
         :return: boolean
         """
+        if program in self.known_programs:
+            return True
+
         if type(program) == str:
-            program_cache = self.get_in_cache('known_programs', program)
+            result = self.run_command("which " + program, return_status_code=True, use_ssh=use_ssh) == 0
-            if program_cache is None:
+            if result:
-                self.set_in_cache('known_programs', program, str(self.run_command("which " + program,
+                self.known_programs.append(program)
-                                                                                  return_status_code=True,
+            return result
-                                                                                  use_ssh=use_ssh) == 0))
-            return bool(self.get_in_cache('known_programs', program))
         elif type(program) == list:
-            programs = []
+            return all(self.has_program(program=p, use_ssh=use_ssh) for p in program)
-            for p in program:
-                programs.append(self.has_program(p))
-            return all(programs)
 
     def has_file(self, file: str or Path):
         """Check if file exists on LXC
@@ -326,25 +308,3 @@ class LinuxMachine():
         else:
             self.run_command(f"sed {'-i' if case_sensitive else ''} 's/{search}/{replace}/g' {path}",
                              return_status_code=True)
-
-    def get_in_cache(self, category: str, property: str, default_value: any = None):
-        if default_value is not None and property not in self.cache[category]:
-            self.set_in_cache(category, property, default_value)
-
-        if category in self.cache:
-            if property in self.cache[category]:
-                return self.cache[category][property]
-            else:
-                return None
-
-    def set_in_cache(self, category: str, property: str = None, value: str = None):
-        if category not in self.cache:
-            self.cache[category] = {}
-
-        if property is not None and value is not None:
-            if property not in self.cache[category]:
-                self.cache[category] = {}
-
-            self.cache[category] = {property: value}
-        else:
-            raise ValueError("Key and value must be specified to save in the cache")

src/utils/proxmox.py

@@ -41,13 +41,9 @@ class ProxmoxHost(LinuxMachine):
         self.connection = None
         self.repo_path = path.as_posix()
 
-        threading.Thread(target=self.update).start()
+        self.running_lxcs = []
 
-    def __str__(self):
+        threading.Thread(target=self.update, daemon=True).start()
-        return f"ProxmoxHost({self.host}, {self.user}, {self.port})"
-
-    def __repr__(self):
-        return f"ProxmoxHost({self.host}, {self.user}, {self.port})"
 
     def update(self):
         update_connection = Connection(host=self.host, user=self.user, port=self.port)
@@ -56,10 +52,25 @@ class ProxmoxHost(LinuxMachine):
                          1:]
             for line in pct_output:
                 if line.strip():
-                    vmid, status, name = line.split()
+                    if len(line.split()) == 3:
-                    self.set_in_cache('lxc', vmid.strip(), str("running" in status.strip()))
+                        vm_id, status, name = line.split()
+                    else:
+                        vm_id, status, lock, name = line.split()
 
-            time.sleep(1)
+                    if "running" in status:
+                        if vm_id not in self.running_lxcs:
+                            self.running_lxcs.append(int(vm_id))
+                    else:
+                        if vm_id in self.running_lxcs:
+                            self.running_lxcs.remove(int(vm_id))
+
+            time.sleep(0.5)
+
+    def __str__(self):
+        return f"ProxmoxHost({self.host}, {self.user}, {self.port})"
+
+    def __repr__(self):
+        return f"ProxmoxHost({self.host}, {self.user}, {self.port})"
 
     def connect(self):
         """Connect to the Proxmox host."""
@@ -114,16 +125,18 @@ class ProxmoxHost(LinuxMachine):
             if the stdout is empty and exception_on_empty_stdout is True
         """
 
-        # Check if host is None, if it is, run the command locally, else run it on the host via SSH
         start_time = time.time()
 
+        # Check if host is None, if it is, run the command locally, else run it on the host via SSH
         if self.host is None:
             command_result = subprocess.run(command, shell=True, capture_output=True, encoding="utf-8")
         elif self.connection is not None:
             command_result = self.connection.run(command, hide=True, warn=True, encoding="utf-8")
         else:
             raise Exception("No host or connection provided")
-        print(f"Time taken for {command}: {time.time() - start_time}")
+
+        end_time = time.time()
+        print(f"Command {command} took {end_time - start_time} seconds to run")
 
         # If return code is not 0 and that exception_on_exit is True and return_status_code is False, throw an exception
         if command_result.return_code != 0 and exception_on_exit and not return_status_code:
@@ -167,12 +180,14 @@ class ProxmoxHost(LinuxMachine):
     def is_lxc_running(self, lxc_id):
         """Check if the given LXC is running on the Proxmox host."""
 
-        lxc = self.get_in_cache('lxc', lxc_id)
+        if lxc_id in self.running_lxcs:
-        if lxc is None:
+            return True
-            self.set_in_cache('lxc', lxc_id,
+        else:
-                              str('running' in self.run_command(f"pct status {lxc_id}", exception_on_exit=False)))
+            return False
 
-        return self.get_in_cache('lxc', lxc_id)
+        # Not used anymore because it's too slow, now using an update thread to keep track of running LXCs
+        # pct_status_output = self.run_command(f"pct status {lxc_id}", exception_on_exit=False)
+        # return "running" in pct_status_output
 
     def start_lxc(self, lxc_id):
         """Start the given LXC on the Proxmox host."""