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fix: persist auto-assigned network subnet across system restarts #836

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fix: persist auto-assigned network subnet across system restarts #836

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9 changes: 9 additions & 0 deletions Sources/Services/ContainerNetworkService/ReservedVmnetNetwork.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,15 @@ public final class ReservedVmnetNetwork: Network {
let runningSubnet = try CIDRAddress(lower: lower, upper: upper)
let runningGateway = IPv4Address(fromValue: runningSubnet.lower.value + 1)

// Save auto-assigned subnet to persist across restarts (fixes #835)
if configuration.subnet == nil {
DefaultsStore.setOptional(key: .defaultSubnet, value: runningSubnet.description)
log.info(
"saved auto-assigned subnet for persistence",
metadata: ["subnet": "\(runningSubnet)"]
)
}

log.info(
"started vmnet network",
metadata: [
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