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docker: loop through the ip net addr output

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all of a sudden, my linux box has the actual address in [1].

ip -f inet -j addr show wlp2s0

[{
        "addr_info": [{}]
    },{
        "ifindex": 3,
        "ifname": "wlp2s0",
        "flags": ["BROADCAST","MULTICAST","UP","LOWER_UP"],
        "mtu": 1500,
        "qdisc": "mq",
        "operstate": "UP",
        "group": "default",
        "txqlen": 1000,
        "addr_info": [{
                "family": "inet",
                "local": "192.168.1.8",
                "prefixlen": 24,
                "broadcast": "192.168.1.255",
                "scope": "global",
                "dynamic": true,
                "noprefixroute": true,
                "label": "wlp2s0",
                "valid_life_time": 78146,
                "preferred_life_time": 78146
            }]
    },{
        "addr_info": [{}]
    },{
        "addr_info": [{}]
    }
]
This commit is contained in:
Girish Ramakrishnan
2021-12-22 16:48:00 -08:00
parent 2bc49682c4
commit 3d57b2b47c
1 changed files with 4 additions and 2 deletions
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6
src/docker.js
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@@ -248,8 +248,10 @@ function getAddresses() {
const addresses = [];
for (const phy of physicalDevices) {
const result = safe.JSON.parse(safe.child_process.execSync(`ip -f inet -j addr show ${phy.name}`, { encoding: 'utf8' }));
const address = safe.query(result, '[0].addr_info[0].local');
if (address) addresses.push(address);
for (const r of result) {
const address = safe.query(r, 'addr_info[0].local');
if (address) addresses.push(address);
}
}
return addresses;