server steering implementation

This commit is contained in:
2026-08-25 13:58:35 +02:00
parent d832641ee0
commit f19a9d6c8e
3 changed files with 281 additions and 244 deletions
+79 -227
View File
@@ -16,21 +16,6 @@ def _get_users_collection():
db = client[MONGO_DB_NAME]
return client, db["packages"]
def add_dns(name: str, port: int) -> bool:
"""
Adds the subdomain to the DNS Routes
Input:
- name (Name of the subdomain) -> String
- port (Port number for the subdomain) -> int
Output:
- bool (True if adding of the Subdomain is active)
"""
# This is a placeholder function, as the actual implementation would depend on the DNS provider and how the DNS records are managed.
return False
def clear_special(var_:str) -> str:
"""
Clears the variable of any special carakters
@@ -59,7 +44,7 @@ def clear_special(var_:str) -> str:
except:
return False
def execute_script(wd_: str, file_: str, com_: str, com2_: str="None", com3_: str="None"):
def execute_script(wd_: str, file_: str, com_: str, com2_: str="None", com3_: str="None", com4_: str="None") -> str:
"""
executes a script with the option of to extra inputs
@@ -69,7 +54,7 @@ def execute_script(wd_: str, file_: str, com_: str, com2_: str="None", com3_: st
- com_ = first option -> String
- com2_ = second option (Optional if needet)-> String
- com3_ = third option (Optional if needet)-> String
- com4_ = fourth option (Optional if needet)-> String
Output:
- ether False if failed -> bool
- or result.stdout output of the executed process -> str
@@ -82,6 +67,8 @@ def execute_script(wd_: str, file_: str, com_: str, com2_: str="None", com3_: st
cmd = f'bash "{update_path}" {com_} {com2_}'
elif com3_ != "None":
cmd = f'bash "{update_path}" {com_} {com2_} {com3_}'
elif com4_ != "None":
cmd = f'bash "{update_path}" {com_} {com2_} {com3_} {com4_}'
else:
cmd = f'bash "{update_path}" {com_}'
try:
@@ -210,225 +197,90 @@ class versions:
return int(instance_age) if int(instance_age) is not None and instance_age <= 5 else False
class instace:
"""
This will give access to anything like:
- Instances for Clients
- starting
- stopping
- restarting
- list all Clients
modules:
- new(name:str)
- remove(name:str)
- status(name:str)
- restart(name:str)
- list()
"""
def __init__():
return list()
def new_trial(name: str) -> bool:
"""
Generates a new trial instance with the subdomain [name].invario.eu
Input:
- name -> String
Output:
- bool if the creation of the instance works (True: creation worked; False: didnt work)
manage-tenant.sh trial <tenant_id> [port] [days]
"""
port_starter = 10002
port = port_starter
for i in instace.list():
port =+ 1
if execute_script(_var, _cmd, "trial", clear_special(name), port):
add_dns(name, port)
return int(port)
else:
return False
def new(name: str) -> int:
"""
Generates a new instance with the subdomain [name].invario.eu
Input:
- name -> String
Output:
- int (Port number for the subdomain) or False if the creation of the instance didnt work
"""
port_starter = 10002
port = port_starter
for i in instace.list():
port =+ 1
if execute_script(_var, _cmd, "add", clear_special(name), port):
add_dns(name, port)
return int(port)
else:
return False
def edit(name: str, module:str) -> bool:
"""
Edits the name of an instance with the subdomain [name].invario.eu to [new_name].invario.eu
Input:
- name -> String
- module -> String (Options: "inventarsystem", "buecherei", "terminverwaltung", "emailversand", "starter", "advanced")
Output:
- bool if the edit works (True: edit worked; False: didnt work)
"""
if module == "inventarsystem":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=off inventory=on'):
return True
else:
return False
elif module == "buecherei":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=on inventory=off'):
return True
else:
return False
elif module == "terminverwaltung":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=off inventory=off'): # -> has to be changed when the module is ready
return True
else:
return False
elif module == "emailversand":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=off inventory=on'):# -> has to be changed when the module is ready
return True
else:
return False
elif module == "starter":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=on inventory=on'):
return True
else:
return False
elif module == "advanced":
if execute_script(_var, _cmd, "module", clear_special(name), 'library=on inventory=on'):# -> has to be changed when the module is ready
return True
else:
return False
else:
return False
def remove(name: str) -> bool:
"""
Removes a instance with the subdomain [name].invario.eu
Input:
- name -> String
Output:
- bool if the removal works (True: removal worked; False: didnt work)
"""
safe_name = clear_special(name)
# try to remove via management script
script_ok = execute_script(_var, _cmd, "remove", safe_name)
if not script_ok:
return False
# best-effort: remove the associated package entry from the database
client = None
try:
client, packages = _get_users_collection()
packages.delete_one({"client_name": name})
except Exception:
# don't fail the overall removal if DB cleanup fails
pass
finally:
if client:
client.close()
return True
def status(name: str) -> bool:
"""
Returns if a instance with the subdomain [name].invario.eu is up.
Input:
- name -> String
Output:
- bool if the page is online (True: Is working; False: Isnt online)
"""
name = clear_special(name)
request = str(requests.get(f"{name}.invario.eu/test_connection"))
if request == '{"message":"Connection successful","status":"success","status_code":200}':
return True
else:
return False
def restart(name: str) -> bool:
"""
Restart an instance with the subdomain [name].invario.eu
Input:
- name -> String
Output:
- bool if the restart works (True: restart worked; False: didnt work)
"""
if execute_script(_var, _cmd, "restart-tenant", clear_special(name)):
return True
else:
return False
class Instance:
@staticmethod
def list() -> list:
"""
List off all tenants.
Output:
- list with all tenants ("tenant1", "tenant2")
"""
Lists all existing tenants along with their mapped ports.
Returns: list of dicts -> [{'name': 'school1', 'port': 10002}, ...]
"""
result = execute_script(_var, _cmd, "list")
if not isinstance(result, str):
return []
result = result.splitlines()
if not result:
return []
return [line.replace("- ", "") for line in result[1:]]
tenants = []
pattern = re.compile(r"^-\s+([^\s]+)\s+\(port\s+(\d+)\)")
for line in result.splitlines():
match = pattern.match(line.strip())
if match:
tenants.append({
"name": match.group(1),
"port": int(match.group(2))
})
return tenants
def backup(name: str) -> bool:
"""
Creates a backup of an instance with the subdomain [name].invario.eu
@classmethod
def get_next_available_port(cls, start_port=10002) -> int:
tenants = cls.list()
if not tenants:
return start_port
used_ports = [t["port"] for t in tenants]
return max(used_ports) + 1
Input:
- name -> String
@classmethod
def new(cls, name: str, port: int = None, password: str = "admin123") -> bool:
safe_name = clear_special(name)
if port is None:
port = cls.get_next_available_port()
return execute_script(_var, _cmd, "add", safe_name, str(port), password)
Output:
- bool if the backup works (True: backup worked; False: didnt work)
"""
import subprocess
try:
subprocess.run(
[
"docker",
"compose",
"-f",
"docker-compose-multitenant.yml",
"exec",
"-T",
"mongodb",
"mongodump",
f"--archive=/data/backups/inventar_{name}-$(date +%Y%m%d%H%M%S).gz",
"--gzip",
"--db",
f"inventar_{name}"
],
check=True
)
return True
except subprocess.CalledProcessError:
@staticmethod
def edit(name: str, module_preset: str) -> bool:
safe_name = clear_special(name)
presets = {
"inventarsystem": "library=off inventory=on student_cards=off terminplan=off",
"buecherei": "library=on inventory=off student_cards=off terminplan=off",
"terminverwaltung": "library=off inventory=off student_cards=off terminplan=on",
"emailversand": "library=off inventory=on student_cards=off terminplan=off",
"starter": "library=on inventory=on student_cards=on terminplan=off",
"advanced": "library=on inventory=on student_cards=on terminplan=on",
}
config = presets.get(module_preset)
if not config:
return False
return execute_script(_var, _cmd, "module", safe_name, config)
@staticmethod
def remove(name: str) -> bool:
safe_name = clear_special(name)
if not execute_script(_var, _cmd, "remove", safe_name):
return False
try:
client, packages = _get_users_collection()
packages.delete_one({"client_name": safe_name})
except Exception:
pass
finally:
if 'client' in locals() and client:
client.close()
return True
@staticmethod
def status(name: str) -> bool:
safe_name = clear_special(name)
try:
res = requests.get(f"https://{safe_name}.invario-software.de/health", timeout=5)
return res.status_code == 200
except requests.RequestException:
return False
@staticmethod
def restart(name: str) -> bool:
return execute_script(_var, _cmd, "restart-tenant", clear_special(name))
class ussage:
"""