sshclient

0.0.4 • Public • Published

sshclient

a tiny, simple but durable wrapper for the ssh2 node.js lib.

early version, only deployment related commands are supported: writeFile() and exec().

for the (optional) use of _x(), see laeh2.

use 1

var opts = {
 
    host: 'myhost',
    port: 22,
    username: 'ubuntu',
    privateKey: fs.readFileSync('./somekey.pem'),
 
    debug: true, // optional
    console: console, // optional, allows logger overriding
 
    session: [
        { op: 'writeFile', path: '/mydir/myfile.txt', body: 'my utf8 body, or a buffer\n' },
        { op: 'exec', command: 'chmod o+w /mydir/myfile.txt' }
    ]
};
 
sshclient.session(opts, _x(cb, true, function(err) {
    console.log('done');
    cb();
}));
 

notes:

  • optional for exec(): canFail: true, continue if the command fails
  • optional for writeFile(): flags: 'flags', see here, e.g. 'w' for overwrite, 'a' for append (on 'a*' flags, pointer is automatically positioned to the end of the file)
  • optional for writeFile(): mode: 0666, see here (only the setable ones)

use 2

var opts = {
 
    host: 'myhost',
    port: 22,
    username: 'ubuntu',
    privateKey: fs.readFileSync('./somekey.pem'),
 
    debug: true, // optional
    console: console // optional, allows logger overriding
};
 
sshclient.session(opts, _x(cb, true, function(err, ses) {
   
    async.series([
 
        _x(null, false, function(cb) {
            ses.writeFile('/mydir/myfile.txt', 'my utf8 body, or a buffer\n', cb);
        }),
        
        _x(null, false, function(cb) {
            ses.exec('chmod o+w /mydir/myfile.txt', cb);
        }),
 
    ], _x(cb, false, function(err) {
        ses.quit(); // need to close the session here on both error and success
        cb(err);
    }));
 
}));

notes:

  • optional for writeFile(): flags and mode (sig: writeFile(path, bodyOrBuff, flags, mode, cb) - see use 1 for explanation

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npm i sshclient

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Version

0.0.4

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  • ypocat