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Wez Furlong
14 lines
458 B
Lua
14 lines
458 B
Lua
local mod = {}
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local kumo = require 'kumo'
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-- Resolve our hostname, then derive the docker network from that.
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-- This assumes that the network is a /24 and that HOSTNAME is
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-- injected by docker and resolves to the container IP on that network
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function mod.resolve_docker_network()
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local MY_IPS = kumo.dns.lookup_addr(os.getenv 'HOSTNAME')
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local DOCKER_NETWORK = string.match(MY_IPS[1], '^(.*)%.%d+$') .. '.0/24'
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return DOCKER_NETWORK
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end
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return mod
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