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Worker: Bind to the first non-link-local IPv4 address #137

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Merged
merged 5 commits into from
Jun 16, 2025
Merged

Worker: Bind to the first non-link-local IPv4 address #137

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0b7288c
Worker: Bind to the first non-link-local IPv4 address
DilumAluthge Jun 10, 2025
86cbb8a
Add explanation
DilumAluthge Jun 10, 2025
c0e9eb4
Factor functionality out into separate `choose_bind_addr()` function
DilumAluthge Jun 10, 2025
2a6ee53
Non-link-local IP4 > non-link-local IP6 > link-local IP4 > link-local…
DilumAluthge Jun 10, 2025
875cd5a
Rewrite the code to be a bit more explicit
DilumAluthge Jun 10, 2025
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7 changes: 6 additions & 1 deletion src/cluster.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -1292,7 +1292,12 @@ function init_bind_addr()
else
bind_port = 0
try
bind_addr = string(getipaddr())
# On HPC clusters, link-local addresses are usually not usable for
# communication between compute nodes.
# Therefore, we use the first non-link-local IPv4 address.
addrs = Sockets.getipaddrs(Sockets.IPv4)
filter!(!Sockets.islinklocaladdr, addrs)
bind_addr = string(first(addrs))
catch
# All networking is unavailable, initialize bind_addr to the loopback address
# Will cause an exception to be raised only when used.
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