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Code Issues Releases Wiki Activity

Ensure add/remove modules are handled sequentially

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This commit is contained in:
Nick O'Leary 2018-07-30 10:08:39 +01:00
parent f1d5bbb036
commit 5155770213
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GPG Key ID: 4F2157149161A6C9
2 changed files with 133 additions and 118 deletions
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25
red/runtime/nodes/registry/installer.js
View File

@ -15,7 +15,6 @@
**/
var when = require("when");
var path = require("path");
var fs = require("fs");
@ -36,6 +35,8 @@ function init(_settings) {
settings = _settings;
}
var activePromise = Promise.resolve();
function checkModulePath(folder) {
var moduleName;
var err;
@ -71,8 +72,9 @@ function checkExistingModule(module,version) {
return false;
}
function installModule(module,version) {
activePromise = activePromise.then(() => {
//TODO: ensure module is 'safe'
return when.promise(function(resolve,reject) {
return new Promise((resolve,reject) => {
var installName = module;
var isUpgrade = false;
try {
@ -144,6 +146,12 @@ function installModule(module,version) {
}
});
});
}).catch(err => {
// In case of error, reset activePromise to be resolvable
activePromise = Promise.resolve();
throw err;
});
return activePromise;
}
@ -176,7 +184,8 @@ function reportRemovedModules(removedNodes) {
}
function uninstallModule(module) {
return when.promise(function(resolve,reject) {
activePromise = activePromise.then(() => {
return new Promise((resolve,reject) => {
if (/[\s;]/.test(module)) {
reject(new Error(log._("server.install.invalid")));
return;
@ -217,6 +226,12 @@ function uninstallModule(module) {
}
);
});
}).catch(err => {
// In case of error, reset activePromise to be resolvable
activePromise = Promise.resolve();
throw err;
});
return activePromise;
}
function checkPrereq() {
@ -227,9 +242,9 @@ function checkPrereq() {
) {
log.info(log._("server.palette-editor.disabled"));
paletteEditorEnabled = false;
return when.resolve();
return Promise.resolve();
} else {
return when.promise(function(resolve) {
return new Promise(resolve => {
child_process.execFile(npmCommand,['-v'],function(err) {
if (err) {
log.info(log._("server.palette-editor.npm-not-found"));

18
test/red/runtime/nodes/registry/installer_spec.js
View File

@ -73,7 +73,7 @@ describe('nodes/registry/installer', function() {
return ee;
});
installer.installModule("this_wont_exist").otherwise(function(err) {
installer.installModule("this_wont_exist").catch(function(err) {
err.code.should.be.eql(404);
done();
});
@ -95,7 +95,7 @@ describe('nodes/registry/installer', function() {
}
});
installer.installModule("this_wont_exist","0.1.2").otherwise(function(err) {
installer.installModule("this_wont_exist","0.1.2").catch(function(err) {
err.code.should.be.eql(404);
done();
});
@ -106,7 +106,7 @@ describe('nodes/registry/installer', function() {
version: "0.1.1"
}
});
installer.installModule("this_wont_exist","0.1.1").otherwise(function(err) {
installer.installModule("this_wont_exist","0.1.1").catch(function(err) {
err.code.should.be.eql('module_already_loaded');
done();
});
@ -125,7 +125,7 @@ describe('nodes/registry/installer', function() {
installer.installModule("this_wont_exist").then(function() {
done(new Error("Unexpected success"));
}).otherwise(function(err) {
}).catch(function(err) {
done();
});
});
@ -150,7 +150,7 @@ describe('nodes/registry/installer', function() {
// commsMessages[0].topic.should.equal("node/added");
// commsMessages[0].msg.should.eql(nodeInfo.nodes);
done();
}).otherwise(function(err) {
}).catch(function(err) {
done(err);
});
});
@ -159,7 +159,7 @@ describe('nodes/registry/installer', function() {
var resourcesDir = path.resolve(path.join(__dirname,"..","resources","local","TestNodeModule","node_modules","NonExistant"));
installer.installModule(resourcesDir).then(function() {
done(new Error("Unexpected success"));
}).otherwise(function(err) {
}).catch(function(err) {
if (err.hasOwnProperty("code")) {
err.code.should.eql(404);
done();
@ -189,7 +189,7 @@ describe('nodes/registry/installer', function() {
installer.installModule(resourcesDir).then(function(info) {
info.should.eql(nodeInfo);
done();
}).otherwise(function(err) {
}).catch(function(err) {
done(err);
});
});
@ -218,7 +218,7 @@ describe('nodes/registry/installer', function() {
installer.uninstallModule("this_wont_exist").then(function() {
done(new Error("Unexpected success"));
}).otherwise(function(err) {
}).catch(function(err) {
done();
});
});
@ -242,7 +242,7 @@ describe('nodes/registry/installer', function() {
// commsMessages[0].topic.should.equal("node/removed");
// commsMessages[0].msg.should.eql(nodeInfo);
done();
}).otherwise(function(err) {
}).catch(function(err) {
done(err);
});
});