75 lines
2.6 KiB
Nix
75 lines
2.6 KiB
Nix
let
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lib = import <nixpkgs/lib>;
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getDevices = net:
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if net ? devices && builtins.isAttrs net.devices then
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net.devices
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else
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throw "config/network.nix must define devices as an attrset.";
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getAutoSshDevices = devices:
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lib.filterAttrs (_: device:
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if !builtins.isAttrs device then
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throw "Every device in config/network.nix.devices must be an attrset."
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else if !(device ? type) then
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throw "Every device in config/network.nix.devices must define a type."
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else
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device.type == "auto_ssh"
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) devices;
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getAutoSshDomains = autoSshDevices:
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map (device:
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if !(device ? domain) || !builtins.isString device.domain || device.domain == "" then
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throw "Every auto_ssh device in config/network.nix must define domain as a non-empty string."
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else
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device.domain
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) (builtins.attrValues autoSshDevices);
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getAutoSshConfig = deviceName: device:
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if !(device ? auto_ssh) then
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throw "Auto SSH device '${deviceName}' is missing required field: auto_ssh."
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else if !builtins.isAttrs device.auto_ssh then
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throw "Auto SSH device '${deviceName}' field auto_ssh must be an attrset."
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else
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device.auto_ssh;
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getRemotePortMap = device:
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if !(device ? auto_ssh) then
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[]
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else if !builtins.isAttrs device.auto_ssh then
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throw "Device auto_ssh must be an attrset when present."
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else if !(device.auto_ssh ? remotePortMap) then
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[]
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else if !builtins.isList device.auto_ssh.remotePortMap then
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throw "Device auto_ssh.remotePortMap must be a list of { localPort = int; remotePort = int; }."
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else if !lib.all (entry:
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builtins.isAttrs entry
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&& entry ? localPort
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&& entry ? remotePort
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&& builtins.isInt entry.localPort
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&& builtins.isInt entry.remotePort
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) device.auto_ssh.remotePortMap then
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throw "Every remotePortMap entry must be { localPort = int; remotePort = int; }."
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else
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device.auto_ssh.remotePortMap;
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getPortOffset = device:
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if !(device ? auto_ssh) then
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0
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else if !builtins.isAttrs device.auto_ssh then
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throw "Device auto_ssh must be an attrset when present."
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else if !(device.auto_ssh ? portOffset) then
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0
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else if !builtins.isInt device.auto_ssh.portOffset then
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throw "Device auto_ssh.portOffset must be an int."
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else if device.auto_ssh.portOffset < 0 then
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throw "Device auto_ssh.portOffset must be >= 0."
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else
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device.auto_ssh.portOffset;
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isSafeName = name:
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builtins.match "^[a-z_][a-z0-9_-]*$" name != null;
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in
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{
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inherit getDevices getAutoSshDevices getAutoSshDomains getAutoSshConfig getRemotePortMap getPortOffset isSafeName;
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}
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