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ZAPI-757 VMAPI should dump core when an uncaught error is thrown 

Reviewed by: Trent Mick <trentm@gmail.com>
This commit is contained in:
Julien Gilli 2017-01-12 11:06:35 -08:00
parent da80542222
commit d99110553d
2 changed files with 49 additions and 9 deletions
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15
lib/SaferJsonClient.js
View File

@ -96,6 +96,18 @@ SaferJsonClient.prototype.parse = function parse(req, callback) {
function finish() {
var body = Buffer.concat(chunks, len);
/*
* Save the original response's body in case this is the best error
* message we can output to the user. The responsibility to use this
* property is left to the user of this custom JSON client.
*
* See lib/cli.js and joyent/node-triton#30 for a concrete use case.
*/
if (resErr) {
resErr.originalBody = body;
}
if (res.log.trace()) {
res.log.trace({body: body.toString(), len: len},
'body received');
@ -139,9 +151,6 @@ SaferJsonClient.prototype.parse = function parse(req, callback) {
}
// Special error handling.
if (resErr) {
resErr.message = body.toString('utf8');
}
if (res && res.statusCode >= 400) {
// Upcast error to a RestError (if we can)
// Be nice and handle errors like

43
lib/cli.js
View File

@ -693,12 +693,22 @@ function main(argv) {
cli.main(argv, function (err) {
var exitStatus = (err ? err.exitStatus || 1 : 0);
var showErr = (cli.showErr !== undefined ? cli.showErr : true);
var errHelp;
var errMessage;
if (err && showErr) {
var code = (err.body ? err.body.code : err.code) || err.restCode;
if (code === 'NoCommand') {
/* jsl:pass */
} else if (err.message !== undefined) {
} else if (err.name === 'InternalServerError') {
/*
* Internal server error, we want to provide a useful error
* message without exposing internals.
*/
console.error('%s: internal error. Please try again later, ' +
'and contact support in case the error persists.',
cmdln.nameFromErr(err));
} else {
/*
* If the err has `body.errors`, as some Triton/SDC APIs do per
* // JSSTYLED
@ -715,15 +725,36 @@ function main(argv) {
});
}
/*
* Try to find the most descriptive message to output.
*
* 1. If there's a message property on the error object, we
* assume this is suitable to output to the user.
*
* 2. Otherwise, if there's an "orignalBody" property, we output
* its content per joyent/node-triton#30.
*
* 3. We fall back to using the error's name as the error
* message.
*/
if (typeof (err.message) === 'string' && err.message !== '') {
errMessage = err.message;
} else if (err.originalBody !== undefined) {
errMessage = err.originalBody.toString();
} else {
errMessage = err.name;
}
console.error('%s: error%s: %s%s',
cmdln.nameFromErr(err),
(code ? format(' (%s)', code) : ''),
(cli.showErrStack ? err.stack : err.message),
(cli.showErrStack ? err.stack : errMessage),
bodyErrors);
var errHelp = cmdln.errHelpFromErr(err);
if (errHelp) {
console.error(errHelp);
}
}
errHelp = cmdln.errHelpFromErr(err);
if (errHelp) {
console.error(errHelp);
}
}