traefik-helper/src/manage.py
Liam d9c0cb746a
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add update service command
2024-01-13 20:49:05 +00:00

171 lines
3.7 KiB
Python

import sys
import subprocess
import yaml
import os
# Variables
configFile = "./config.yml"
containerName = "traefik"
# Are we running in a Docker container?
if os.environ.get("CONFIG_FILE"):
configFile = os.environ.get("CONFIG_FILE")
if os.environ.get("CONTAINER_NAME"):
containerName = os.environ.get("CONTAINER_NAME")
# DO NOT TOUCH
commands = ["add", "remove", "list", "update"]
command = len(sys.argv) > 1 and sys.argv[1]
if command not in commands:
print("")
print("Usage: manage.py [command]")
print("")
print("Commands:")
print(" - add [name] [domain] [service host]")
print(" - remove [name]")
print(" - update [name] [new service host]")
print(" - list")
exit()
with open(configFile, "r") as config:
configYml = yaml.safe_load(config)
http = configYml["http"]
routers = http["routers"]
services = http["services"]
def restartTraefik():
print("Restarting Traefik, please wait this can take a while...")
# Restart Traefik in the base directory
subprocess.run(["docker", "restart", "traefik"])
print("Traefik restarted!")
def addDomain(name, domain, serviceHost):
# Check if name already exists
if name in routers:
print("Name \"%s\" already exists" % name)
exit()
print("Adding domain \"%s\" -> \"%s\"" % (domain, serviceHost))
print("Website Url: http://%s" % domain)
# Add router
routers[name] = {
"entryPoints": ["https"],
"rule": "Host(`%s`)" % domain,
"middlewares": ["default-headers", "https-redirectscheme"],
"tls": {},
"service": name
}
# Add service
services[name] = {
"loadBalancer": {
"servers": [
{
"url": serviceHost
}
]
}
}
# Write to file
with open(configFile, "w") as config:
yaml.dump(configYml, config)
# Restart Traefik
restartTraefik()
def removeDomain(name):
# Check if name exists
if name not in routers:
print("Name \"%s\" does not exist" % name)
exit()
print("Removing domain \"%s\"" % name)
# Remove router
del routers[name]
# Remove service
del services[name]
# Write to file
with open(configFile, "w") as config:
yaml.dump(configYml, config)
# Restart Traefik
restartTraefik()
def listDomains():
print("Listing domains:")
# domain -> service host
domains = {}
# Get domains (Host and HostRegexp)
for name, router in routers.items():
if "rule" in router:
rule = router["rule"]
# Host
if rule.startswith("Host"):
domain = rule.split("`")[1]
domains[domain] = services[name]["loadBalancer"]["servers"][0]["url"]
# HostRegexp
if rule.startswith("HostRegexp"):
domain = rule.split("`")[1]
domains[domain] = services[name]["loadBalancer"]["servers"][0]["url"]
# Print domains
for domain, serviceHost in domains.items():
print(" - http://%s -> %s" % (domain, serviceHost))
print("")
print("Total: %s" % len(domains))
def updateDomain(name, serviceHost):
# Check if name exists
if name not in routers:
print("Name \"%s\" does not exist" % name)
exit()
print("Updating domain \"%s\" -> \"%s\"" % (name, serviceHost))
# Update service
services[name] = {
"loadBalancer": {
"servers": [
{
"url": serviceHost
}
]
}
}
# Write to file
with open(configFile, "w") as config:
yaml.dump(configYml, config)
# Restart Traefik
restartTraefik()
match command:
case "add":
name = sys.argv[2]
domain = sys.argv[3]
serviceHost = sys.argv[4]
addDomain(name, domain, serviceHost)
case "remove":
name = sys.argv[2]
removeDomain(name)
case "update":
name = sys.argv[2]
serviceHost = sys.argv[3]
updateDomain(name, serviceHost)
case "list":
listDomains()