feat: support scale and cb in docker

packages/cp-gql-schema/schema.gql

@@ -206,7 +206,7 @@
     createDeploymentGroup(name: String!) : DeploymentGroup
     updateDeploymentGroup(id: ID!, name: String!) : DeploymentGroup
 
-    provisionManifest(deploymentGroupId: ID!, type: ManifestType!, format: ManifestFormat!, raw: String!) : Version
+    provisionManifest(deploymentGroupId: ID!, type: ManifestType!, format: ManifestFormat!, raw: String!) : Manifest
     scale(service: ID!, replicas: Int!) : Version
 
     stopServices(ids: [ID]!) : [Service]

packages/docker-compose-client/.baberc

@@ -1,7 +0,0 @@
-{
-  "env": {
-    "test": {
-      "plugins": ["istanbul"]
-    }
-  }
-}

packages/docker-compose-client/README.md

@@ -55,7 +55,7 @@ docker-compose-api
 ```js
 const client = new DockerComposeClient();
 
-const res = await client.provision({
+client.provision({
   projectName: 'docker-compose-client',
   manifest: `
     hello:
@@ -65,6 +65,8 @@ const res = await client.provision({
     node:
       image: node:latest
   `
+}, (err, res, more) => {
+  // can be called multiple times, check 'more' if that is the case
 });
 ```
 

packages/docker-compose-client/lib/index.js

@@ -0,0 +1,42 @@
+const { Client } = require('zerorpc');
+const EventEmitter = require('events');
+
+module.exports = class DockerComposeClient extends EventEmitter {
+  constructor(endpoint = 'tcp://0.0.0.0:4242', timeout = 60 * 30) {
+    super();
+
+    this.client = new Client({
+      heartbeatInterval: 60 * 4 * 1000, // 4m
+      timeout // 30m
+    });
+
+    this.client.on('error', err => this.emit('error', err));
+    this.client.connect(endpoint);
+  }
+
+  _invoke(method, options, manifest, cb) {
+    return this.client.invoke(method, options, manifest, cb);
+  }
+
+  close() {
+    return this.client.close();
+  }
+
+  provision({ projectName, manifest }, cb) {
+    // eslint-disable-next-line camelcase
+    return this._invoke('up', { project_name: projectName }, manifest, cb);
+  }
+
+  scale({ projectName, services, manifest }, cb) {
+    const options = {
+      // eslint-disable-next-line camelcase
+      project_name: projectName,
+      services: Object.keys(services).map(name => ({
+        name,
+        num: services[name]
+      }))
+    };
+
+    return this._invoke('scale', options, manifest, cb);
+  }
+};

packages/docker-compose-client/package.json

@@ -3,48 +3,21 @@
   "version": "1.0.4",
   "license": "MPL-2.0",
   "repository": "github:yldio/joyent-portal",
-  "main": "src/index.js",
+  "main": "lib",
   "scripts": {
     "lint": "eslint . --fix",
     "lint-ci": "eslint . --format junit --output-file $CIRCLE_TEST_REPORTS/lint/docker-compose-client.xml",
-    "test": "cross-env NODE_ENV=test nyc --reporter=lcov --reporter=text ava",
-    "test-ci": "cross-env NODE_ENV=test nyc --report-dir=$CIRCLE_ARTIFACTS/docker-compose-client --reporter=lcov --reporter=text ava --tap | tap-xunit > $CIRCLE_TEST_REPORTS/test/docker-compose-client.xml"
+    "test": "lab -t 100",
+    "test-ci": "lab -t 100 -r console -o stdout -r tap -o $CIRCLE_TEST_REPORTS/test/docker-compose-client.xml"
   },
   "dependencies": {
-    "apr-awaitify": "^1.0.4",
     "zerorpc": "^0.9.7"
   },
   "devDependencies": {
-    "apr-intercept": "^1.0.4",
-    "ava": "0.19.1",
-    "babel-plugin-istanbul": "^4.1.3",
-    "babel-register": "^6.24.1",
-    "cross-env": "^5.0.0",
+    "code": "^4.0.0",
     "eslint": "^3.19.0",
     "eslint-config-joyent-portal": "1.0.0",
     "js-yaml": "^3.8.4",
-    "nyc": "^10.3.2",
-    "tap-xunit": "^1.7.0"
-  },
-  "nyc": {
-    "sourceMap": false,
-    "instrument": false
-  },
-  "babel": {
-    "sourceMaps": "inline",
-    "env": {
-      "test": {
-        "plugins": [
-          "istanbul"
-        ]
-      }
-    }
-  },
-  "ava": {
-    "tap": true,
-    "require": [
-      "babel-register"
-    ],
-    "babel": "inherit"
+    "lab": "^13.1.0"
   }
 }

packages/docker-compose-client/src/index.js

@@ -1,50 +0,0 @@
-const { Client } = require('zerorpc');
-const { EventEmitter } = require('events');
-const awaitify = require('apr-awaitify');
-
-class DockerComposeClient extends EventEmitter {
-  constructor(endpoint = 'tcp://0.0.0.0:4242') {
-    super();
-
-    this.client = new Client({
-      heartbeatInterval: 60 * 4 * 1000, // 4m
-      timeout: 60 * 30 // 30m
-    });
-
-    this.client.connect(endpoint);
-    this.client.on('error', err => this.emit('error', err));
-
-    this._invoke = awaitify(this._invoke.bind(this));
-  }
-
-  // Why isn't client.connect async with error??
-  _invoke(name, ...args) {
-    return this.client.invoke(name, ...args);
-  }
-
-  close() {
-    return this.client.close();
-  }
-
-  provision({ projectName, manifest }) {
-    // eslint-disable-next-line camelcase
-    return this._invoke('up', { project_name: projectName }, manifest);
-  }
-
-  scale({ projectName, services, manifest }) {
-    return this._invoke(
-      'scale',
-      {
-        // eslint-disable-next-line camelcase
-        project_name: projectName,
-        services: Object.keys(services).map(name => ({
-          name,
-          num: services[name]
-        }))
-      },
-      manifest
-    );
-  }
-}
-
-module.exports = DockerComposeClient;

packages/docker-compose-client/test/index.js

@@ -1,11 +1,23 @@
-const { name } = require('../package.json');
+'use strict';
+
+const { expect } = require('code');
+const Lab = require('lab');
+const Package = require('../package.json');
 const { safeLoad } = require('js-yaml');
 const { Server } = require('zerorpc');
-const intercept = require('apr-intercept');
-const test = require('ava');
 
+
+// Test shortcuts
+
+const lab = exports.lab = Lab.script();
+const after = lab.after;
+const it = lab.it;
+
+
+const projectName = Package.name;
+const endpoint = 'tcp://0.0.0.0:4040';
 const DockerComposeClient = require('../');
-const client = new DockerComposeClient();
+const client = new DockerComposeClient(endpoint);
 
 const server = new Server({
   // eslint-disable-next-line object-shorthand
@@ -63,58 +75,65 @@ const server = new Server({
   }
 });
 
-server.bind('tcp://0.0.0.0:4242');
+server.bind(endpoint);
 
-test('provision', async t => {
-  const [err, res] = await intercept(
-    client.provision({
-      projectName: name,
-      manifest: `
-      hello:
-        image: hello-world:latest
-      world:
-        image: consul:latest
-      node:
-        image: node:latest
-    `
-    })
-  );
+it('provision()', (done) => {
+  const manifest = `
+    hello:
+      image: hello-world:latest
+    world:
+      image: consul:latest
+    node:
+      image: node:latest
+  `;
 
-  t.ifError(err);
+  client.provision({ projectName, manifest }, (err, res) => {
+    expect(err).to.not.exist();
 
-  t.deepEqual(res, {
-    projectName: name
+    expect(res.projectName).to.equal(projectName);
+    done();
   });
 });
 
-test('scale', async t => {
-  const [err, res] = await intercept(
-    client.scale({
-      projectName: name,
-      services: {
-        hello: 2,
-        world: 3
-      },
-      manifest: `
-      hello:
-        image: hello-world:latest
-      world:
-        image: consul:latest
-      node:
-        image: node:latest
-    `
-    })
-  );
+it('scale()', (done) => {
+  const manifest = `
+    hello:
+      image: hello-world:latest
+    world:
+      image: consul:latest
+    node:
+      image: node:latest
+  `;
 
-  t.ifError(err);
+  client.scale({
+    projectName,
+    services: {
+      hello: 2,
+      world: 3
+    },
+    manifest
+  }, (err, res) => {
+    expect(err).to.not.exist();
 
-  t.deepEqual(res, {
-    projectName: name,
-    services: [{ name: 'hello', num: 2 }, { name: 'world', num: 3 }]
+    expect(res).to.equal({
+      projectName,
+      services: [{ name: 'hello', num: 2 }, { name: 'world', num: 3 }]
+    });
+    done();
   });
 });
 
-test.after(() => {
+it('handles errors', (done) => {
+  client.once('error', (err) => {
+    expect(err).to.exist();
+    done();
+  });
+
+  client.client.emit('error', new Error('test'));
+});
+
+after((done) => {
   client.close();
   server.close();
+  done();
 });

packages/portal-data/lib/index.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const EventEmitter = require('events');
+const DockerClient = require('docker-compose-client');
 const Hoek = require('hoek');
 const Penseur = require('penseur');
 const VAsync = require('vasync');
@@ -34,6 +35,11 @@ module.exports = class Data extends EventEmitter {
 
     // Penseur will assert that the options are correct
     this._db = new Penseur.Db(settings.name, settings.db);
+    this._docker = new DockerClient(settings.dockerHost);
+
+    this._docker.on('error', (err) => {
+      this.emit('error', err);
+    });
   }
 
   connect (cb) {
@@ -163,12 +169,24 @@ module.exports = class Data extends EventEmitter {
   }
 
   getDeploymentGroup (query, cb) {
-    this._db.deployment_groups.single(query, (err, deploymentGroup) => {
-      if (err) {
-        return cb(err);
-      }
+    this._db.deployment_groups.sync(() => {
+      this._db.deployment_groups.single(query, (err, deploymentGroup) => {
+        if (err) {
+          return cb(err);
+        }
 
-      cb(null, Transform.fromDeploymentGroup(deploymentGroup || {}));
+        if (!deploymentGroup) {
+          return cb(null, {});
+        }
+
+        if (!deploymentGroup.service_ids || !deploymentGroup.service_ids.length) {
+          return cb(null, Transform.fromDeploymentGroup(deploymentGroup));
+        }
+
+        this._db.services.get(deploymentGroup.service_ids, (err, services) => {
+          cb(err, Transform.fromDeploymentGroup(deploymentGroup, services));
+        });
+      });
     });
   }
 
@@ -244,36 +262,205 @@ module.exports = class Data extends EventEmitter {
     });
   }
 
+  scale ({ id, replicas }, cb) {
+    Hoek.assert(id, 'service id is required');
+    Hoek.assert(typeof replicas === 'number' && replicas >= 0, 'replicas must be a number no less than 0');
 
-  // manifests
 
-  provisionManifest (clientManifest, cb) {
-    // insert manifest
-    // callback with manifest
-    // provision services
+    // get the service then get the deployment group
+    // use the deployment group to find the current version and manifest
+    // scale the service
+    // update the machine ids and instances
 
-    const manifest = Transform.toManifest(clientManifest);
-    this._db.manifests.insert(manifest, (err, key) => {
+    this._db.services.single({ id }, (err, service) => {
       if (err) {
         return cb(err);
       }
 
-      setImmediate(() => {
-        const options = {
-          manifestServices: manifest.json.services || manifest.json,
-          deploymentGroupId: clientManifest.deploymentGroupId,
-          manifestId: key
-        };
-        this.provisionServices(options);
-      });
+      if (!service) {
+        return cb(new Error(`service not found for id: ${id}`));
+      }
 
-      manifest.id = key;
-      cb(null, Transform.fromManifest(manifest));
+      this._db.deployment_groups.single({ id: service.deployment_group_id }, (err, deployment_group) => {
+        if (err) {
+          return cb(err);
+        }
+
+        if (!deployment_group) {
+          return cb(new Error(`deployment group not found for service with service id: ${id}`));
+        }
+
+        this._db.versions.single({ id: deployment_group.version_id }, (err, version) => {
+          if (err) {
+            return cb(err);
+          }
+
+          if (!version) {
+            return cb(new Error(`version not found for service with service id: ${id}`));
+          }
+
+          this._db.manifests.single({ id: version.manifest_id }, (err, manifest) => {
+            if (err) {
+              return cb(err);
+            }
+
+            if (!manifest) {
+              return cb(new Error(`manifest not found for service with service id: ${id}`));
+            }
+
+            this._scale({ service, deployment_group, version, manifest, replicas }, cb);
+          });
+        });
+      });
+    });
+  }
+
+  _scale ({ service, deployment_group, version, manifest, replicas }, cb) {
+    let isFinished = false;
+    const finish = () => {
+      if (isFinished) {
+        return;
+      }
+
+      isFinished = true;
+      const machineIds = [];
+      for (let i = 1; i <= replicas; ++i) {
+        machineIds.push(`${deployment_group.name}_${service.name}_${i}`);
+      }
+
+      this._db.instances.remove(service.instance_ids, (err) => {
+        // emit error instead of returning early, this is a best effort to cleanup data
+        if (err) {
+          this.emit('error', err);
+        }
+
+        VAsync.forEachParallel({
+          func: (machineId, next) => {
+            const clientInstance = {
+              machineId,
+              status: 'CREATED',
+              name: service.name
+            };
+            this.createInstance(clientInstance, next);
+          },
+          inputs: machineIds
+        }, (err, results) => {
+          if (err) {
+            return cb(err);
+          }
+
+          const instanceIds = results.successes.map((instance) => {
+            return instance.id;
+          });
+
+          this._db.services.update(service.id, { instance_ids: instanceIds }, (err) => {
+            if (err) {
+              return cb(err);
+            }
+
+            const clientVersion = {
+              deploymentGroupId: deployment_group.id,
+              manifestId: manifest.id,
+              plan: {
+                running: true,
+                actions: [{
+                  type: 'CREATE',
+                  service: service.name,
+                  machines: machineIds
+                }]
+              }
+            };
+
+            const scale = version.service_scales.find((scale) => {
+              return scale.service_name === service.name;
+            });
+
+            if (scale) {
+              scale.replicas = replicas;
+            } else {
+              version.service_scales.push({
+                service_name: service.name,
+                replicas
+              });
+            }
+
+            clientVersion.scales = version.service_scales.map(Transform.fromScale);
+
+            this.createVersion(clientVersion, cb);
+          });
+        });
+      });
+    };
+
+    const options = {
+      provisionName: deployment_group.name,
+      services: {},
+      manifest: manifest.raw
+    };
+    options.services[service.name] = replicas;
+    this._docker.scale(options, (err, res) => {
+      if (err) {
+        return cb(err);
+      }
+
+      finish();
+    });
+  }
+
+
+  // manifests
+
+  provisionManifest (clientManifest, cb) {
+    // get deployment group to verify it exists and get the name
+    // insert manifest
+    // callback with manifest
+    // provision containers and save service data
+
+    this.getDeploymentGroup({ id: clientManifest.deploymentGroupId }, (err, deploymentGroup) => {
+      if (err) {
+        return cb(err);
+      }
+
+      if (!deploymentGroup) {
+        return cb(new Error('Deployment group not found for manifest'));
+      }
+
+      const manifest = Transform.toManifest(clientManifest);
+      this._db.manifests.insert(manifest, (err, key) => {
+        if (err) {
+          return cb(err);
+        }
+
+        setImmediate(() => {
+          let isHandled = false;
+          this._docker.provision({ projectName: deploymentGroup.name, manifest: clientManifest.raw }, (err, res) => {
+            if (err) {
+              this.emit('error', err);
+              return;
+            }
+
+            // callback can execute multiple times, ensure responses are only handled once
+            if (isHandled) {
+              return;
+            }
+
+            isHandled = true;
+            const options = {
+              manifestServices: manifest.json.services || manifest.json,
+              deploymentGroup,
+              manifestId: key
+            };
+            this.provisionServices(options);
+          });
+        });
+
+        manifest.id = key;
+        cb(null, Transform.fromManifest(manifest));
+      });
     });
   }
 
   getManifest ({ id }, cb) {
-    console.log(id);
     this._db.manifests.single({ id }, (err, manifest) => {
       if (err) {
         return cb(err);
@@ -298,8 +485,7 @@ module.exports = class Data extends EventEmitter {
 
   // services
 
-  provisionServices ({ manifestServices, deploymentGroupId, manifestId }, cb) {
-    // call to docker and create containers
+  provisionServices ({ manifestServices, deploymentGroup, manifestId }, cb) {
     // insert instance information
     // insert service information
     // insert version information -- will update deploymentGroups
@@ -310,14 +496,12 @@ module.exports = class Data extends EventEmitter {
       }
     });
 
-    // TODO: call out to docker for each service and provision a new instance
-
     VAsync.forEachPipeline({
       func: (serviceName, next) => {
         const manifestService = manifestServices[serviceName];
         const clientInstance = {
           name: serviceName,
-          machineId: 'unknown',
+          machineId: `${deploymentGroup.name}_${serviceName}_1`,
           status: 'CREATED'
         };
         this.createInstance(clientInstance, (err, createdInstance) => {
@@ -329,7 +513,7 @@ module.exports = class Data extends EventEmitter {
             hash: manifestService.image,
             name: serviceName,
             slug: serviceName,
-            deploymentGroupId,
+            deploymentGroupId: deploymentGroup.id,
             instances: [createdInstance]
           };
 
@@ -381,19 +565,19 @@ module.exports = class Data extends EventEmitter {
       };
 
       const clientVersion = {
-        deploymentGroupId,
+        deploymentGroupId: deploymentGroup.id,
         manifestId,
         scales,
         plan,
         serviceIds
       };
 
-      this.createVersion(clientVersion, (err) => {
+      this.createVersion(clientVersion, (err, version) => {
         if (err) {
           return cb(err);
         }
 
-        cb();
+        cb(null, version);
       });
     });
   }

packages/portal-data/package.json

@@ -9,13 +9,14 @@
     "bootstrap": "node ./bootstrap-data",
     "lint": "belly-button --fix",
     "lint-ci": "belly-button",
-    "test": "lab -t 40",
-    "test-ci": "echo 0"
+    "test": "lab -c",
+    "test-ci": "lab -c -r console -o stdout -r tap -o $CIRCLE_TEST_REPORTS/test/portal-data.xml"
   },
   "keywords": [],
   "author": "wyatt",
   "license": "MPL-2.0",
   "dependencies": {
+    "docker-compose-client": "^1.0.7",
     "hoek": "^4.1.1",
     "penseur": "^7.8.1",
     "vasync": "^1.6.4",

packages/portal-data/test/docker-compose.yml

@@ -1,24 +1,2 @@
-version: '2.1'
-
-services:
-
-  # Service definition for Consul cluster with a minimum of 3 nodes.
-  # Nodes will use Triton CNS for the service (passed in via the CONSUL
-  # env var) to find each other and bootstrap the cluster.
-  consul:
-    image: autopilotpattern/consul:${TAG:-latest}
-    labels:
-      - triton.cns.services=consul
-    restart: always
-    mem_limit: 128m
-    ports:
-      - 8500
-    env_file:
-      - _env
-    network_mode: bridge
-    command: >
-      /usr/local/bin/containerpilot
-      /bin/consul agent -server
-        -bootstrap-expect 3
-        -config-dir=/etc/consul
-        -ui-dir /ui
+hello:
+  image: hello-world:latest

packages/portal-data/test/index.js

@@ -378,7 +378,7 @@ describe('versions', () => {
               expect(result.scales).to.equal(clientVersion.scales);
               data.getVersions({ manifestId: clientVersion.manifestId }, (err, versions) => {
                 expect(err).to.not.exist();
-                expect(versions.length).to.equal(2);
+                expect(versions.length).to.equal(1);
                 done();
               });
             });
@@ -502,8 +502,7 @@ describe('manifests', () => {
             deploymentGroupId: deploymentGroup.id,
             type: 'compose',
             format: 'yml',
-            raw: 'docker compose raw contents',
-            json: { services: [] }
+            raw: internals.composeFile
           };
 
           data.provisionManifest(clientManifest, (err, result) => {
@@ -677,3 +676,35 @@ describe('packages', () => {
     });
   });
 });
+
+// skipping by default since it takes so long
+describe.skip('scale()', () => {
+  it('creates new instances of a service', { timeout: 180000 }, (done) => {
+    const data = new PortalData(internals.options);
+    data.connect((err) => {
+      expect(err).to.not.exist();
+      data.createDeploymentGroup({ name: 'something' }, (err, deploymentGroup) => {
+        expect(err).to.not.exist();
+        const clientManifest = {
+          deploymentGroupId: deploymentGroup.id,
+          type: 'compose',
+          format: 'yml',
+          raw: internals.composeFile
+        };
+        data.provisionManifest(clientManifest, (err, manifest) => {
+          expect(err).to.not.exist();
+          setTimeout(() => {
+            data.getDeploymentGroup({ id: deploymentGroup.id }, (err, deploymentGroup) => {
+              expect(err).to.not.exist();
+              data.scale({ id: deploymentGroup.services[0].id, replicas: 2 }, (err, version) => {
+                expect(err).to.not.exist();
+                expect(version).to.exist();
+                done();
+              });
+            });
+          }, 80000);
+        });
+      });
+    });
+  });
+});

packages/portal-data/yarn.lock

@@ -51,6 +51,10 @@ ansi-styles@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
 
+apr-awaitify@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/apr-awaitify/-/apr-awaitify-1.0.4.tgz#a72074a0d333e090bb120be9f710fd106b48a90a"
+
 argparse@^1.0.7:
   version "1.0.9"
   resolved "https://registry.yarnpkg.com/argparse/-/argparse-1.0.9.tgz#73d83bc263f86e97f8cc4f6bae1b0e90a7d22c86"
@@ -97,6 +101,10 @@ belly-button@^3.1.0:
     glob "7.x.x"
     insync "2.x.x"
 
+bindings@~1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/bindings/-/bindings-1.2.1.tgz#14ad6113812d2d37d72e67b4cacb4bb726505f11"
+
 "bluebird@>= 2.3.2 < 3":
   version "2.11.0"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-2.11.0.tgz#534b9033c022c9579c56ba3b3e5a5caafbb650e1"
@@ -244,6 +252,13 @@ diff@3.x.x:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/diff/-/diff-3.2.0.tgz#c9ce393a4b7cbd0b058a725c93df299027868ff9"
 
+docker-compose-client@^1.0.7:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/docker-compose-client/-/docker-compose-client-1.0.7.tgz#a2f351aff998fd5323b9b6bb27d4400fff95e43c"
+  dependencies:
+    apr-awaitify "^1.0.4"
+    zerorpc "^0.9.7"
+
 doctrine@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.0.0.tgz#c73d8d2909d22291e1a007a395804da8b665fe63"
@@ -737,10 +752,24 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+msgpack@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/msgpack/-/msgpack-1.0.2.tgz#923e2c5cffa65c8418e9b228d1124793969c429c"
+  dependencies:
+    nan "^2.0.9"
+
 mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
+nan@^2.0.9:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.6.2.tgz#e4ff34e6c95fdfb5aecc08de6596f43605a7db45"
+
+nan@~2.3.0:
+  version "2.3.5"
+  resolved "https://registry.yarnpkg.com/nan/-/nan-2.3.5.tgz#822a0dc266290ce4cd3a12282ca3e7e364668a08"
+
 natural-compare@^1.4.0:
   version "1.4.0"
   resolved "https://registry.yarnpkg.com/natural-compare/-/natural-compare-1.4.0.tgz#4abebfeed7541f2c27acfb29bdbbd15c8d5ba4f7"
@@ -1059,6 +1088,10 @@ uglify-to-browserify@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz#6e0924d6bda6b5afe349e39a6d632850a0f882b7"
 
+underscore@1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.3.3.tgz#47ac53683daf832bfa952e1774417da47817ae42"
+
 user-home@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/user-home/-/user-home-2.0.0.tgz#9c70bfd8169bc1dcbf48604e0f04b8b49cde9e9f"
@@ -1069,6 +1102,10 @@ util-deprecate@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/util-deprecate/-/util-deprecate-1.0.2.tgz#450d4dc9fa70de732762fbd2d4a28981419a0ccf"
 
+uuid@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.0.1.tgz#6544bba2dfda8c1cf17e629a3a305e2bb1fee6c1"
+
 vasync@^1.6.4:
   version "1.6.4"
   resolved "https://registry.yarnpkg.com/vasync/-/vasync-1.6.4.tgz#dfe93616ad0e7ae801b332a9d88bfc5cdc8e1d1f"
@@ -1126,3 +1163,19 @@ yargs@~3.10.0:
     cliui "^2.1.0"
     decamelize "^1.0.0"
     window-size "0.1.0"
+
+zerorpc@^0.9.7:
+  version "0.9.7"
+  resolved "https://registry.yarnpkg.com/zerorpc/-/zerorpc-0.9.7.tgz#64ddb32ce8c934bea5434ec81ca22e971045a860"
+  dependencies:
+    msgpack "1.0.2"
+    underscore "1.3.3"
+    uuid "^3.0.0"
+    zmq "2.x"
+
+zmq@2.x:
+  version "2.15.3"
+  resolved "https://registry.yarnpkg.com/zmq/-/zmq-2.15.3.tgz#66c6de82cc36b09734b820703776490a6fbbe624"
+  dependencies:
+    bindings "~1.2.1"
+    nan "~2.3.0"