mirror of
https://github.com/jpetazzo/container.training.git
synced 2026-07-19 12:59:24 +00:00
39 lines
1.2 KiB
Python
Executable File
39 lines
1.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
from common import ComposeFile
|
|
import yaml
|
|
|
|
config = ComposeFile()
|
|
|
|
# The ambassadors need to know the service port to use.
|
|
# Those ports must be declared here.
|
|
ports = yaml.load(open("ports.yml"))
|
|
|
|
def generate_local_addr():
|
|
last_byte = 2
|
|
while last_byte<255:
|
|
yield "127.127.0.{}".format(last_byte)
|
|
last_byte += 1
|
|
|
|
for service_name, service in config.services.items():
|
|
if "links" in service:
|
|
for link, local_addr in zip(service["links"], generate_local_addr()):
|
|
if link not in ports:
|
|
print("Skipping link {} in service {} "
|
|
"(no port mapping defined). "
|
|
"Your code will probably break."
|
|
.format(link, service_name))
|
|
continue
|
|
if "extra_hosts" not in service:
|
|
service["extra_hosts"] = {}
|
|
service["extra_hosts"][link] = local_addr
|
|
del service["links"]
|
|
if "ports" in service:
|
|
del service["ports"]
|
|
if "volumes" in service:
|
|
del service["volumes"]
|
|
if service_name in ports:
|
|
service["ports"] = [ ports[service_name] ]
|
|
|
|
config.save()
|