37 lines
1 KiB
JavaScript
37 lines
1 KiB
JavaScript
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"use strict";
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const execa = require("execa");
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const db2util = "/QOpenSys/pkgs/bin/db2util";
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const sql = "select NEXT_HOP, LOCAL_BINDING_INTERFACE from QSYS2.NETSTAT_ROUTE_INFO where ROUTE_TYPE='DFTROUTE' and NEXT_HOP!='*DIRECT' and CONNECTION_TYPE=?";
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const parse = stdout => {
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let result;
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try {
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const resultObj = JSON.parse(stdout);
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const gateway = resultObj.records[0].NEXT_HOP;
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const iface = resultObj.records[0].LOCAL_BINDING_INTERFACE;
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result = {gateway, iface};
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} catch {}
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if (!result) {
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throw new Error("Unable to determine default gateway");
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}
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return result;
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};
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const promise = async family => {
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const {stdout} = await execa(db2util, [sql, "-p", family, "-o", "json"]);
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return parse(stdout);
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};
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const sync = family => {
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const {stdout} = execa.sync(db2util, [sql, "-p", family, "-o", "json"]);
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return parse(stdout);
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};
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module.exports.v4 = () => promise("IPV4");
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module.exports.v6 = () => promise("IPV6");
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module.exports.v4.sync = () => sync("IPV4");
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module.exports.v6.sync = () => sync("IPV6");
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