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Merged
DeviaVir merged 3 commits into from
Apr 14, 2016
Merged

Post install script second atttempt #78

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6d43553
post install script
navihtot Apr 14, 2016
7442309
readme update
navihtot Apr 14, 2016
3f776c6
removed extra lines
navihtot Apr 14, 2016
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -132,6 +132,8 @@ a callback function. These will still work for now for backward compatibility,

v0.10.36 is still supported, and can be targeted by changing the `AWS_RUNTIME` value to `nodejs` in the `.env` file.

## Post install script
When running `node-lambda deploy` if you need to do some action after `npm install --production` and before deploying to AWS Lambda (i.e. replace some modules with precompiled ones or download some libraries) you can create `post_install.sh` script. If the file exists the script will be executed (and output shown after execution) if not it is skipped. Make sure that the script is executable.

## Other AWS Lambda Tools Projects

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48 changes: 40 additions & 8 deletions lib/main.js
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Expand Up @@ -169,6 +169,32 @@ Lambda.prototype._npmInstall = function (program, codeDirectory, callback) {
});
};

Lambda.prototype._postInstallScript = function (codeDirectory, callback) {
var script_filename = 'post_install.sh';
var cmd = './'+script_filename;

var filePath = [codeDirectory, script_filename].join('/');

fs.exists(filePath, function(exists) {
if (exists) {
console.log('=> Running post install script '+script_filename);
exec(cmd, { cwd: codeDirectory,maxBuffer: 50 * 1024 * 1024 }, function(error, stdout, stderr){

if (error) callback(error +" stdout: " + stdout + "stderr"+stderr);
else {
console.log("\t\t"+stdout);
callback(null);
}
});


} else {
callback(null);
}
});

};

Lambda.prototype._zip = function (program, codeDirectory, callback) {

var options = {
Expand Down Expand Up @@ -295,16 +321,22 @@ Lambda.prototype._archive = function (program, archive_callback) {
return archive_callback(err);
}

// Add custom environment variables if program.configFile is defined
if (program.configFile) {
_this._setEnvironmentVars(program, codeDirectory);
}
console.log('=> Zipping deployment package');
_this._postInstallScript(codeDirectory, function (err) {
if (err) {
return archive_callback(err);
}

// Add custom environment variables if program.configFile is defined
if (program.configFile) {
_this._setEnvironmentVars(program, codeDirectory);
}
console.log('=> Zipping deployment package');

var archive = process.platform !== 'win32' ? _this._nativeZip : _this._zip;
archive = archive.bind(_this);
var archive = process.platform !== 'win32' ? _this._nativeZip : _this._zip;
archive = archive.bind(_this);

archive(program, codeDirectory, archive_callback);
archive(program, codeDirectory, archive_callback);
});
});
});
};
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