joyent-portal/packages/portal-data/lib/index.js

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'use strict';
const EventEmitter = require('events');
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const DockerClient = require('docker-compose-client');
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const Dockerode = require('dockerode');
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const Hoek = require('hoek');
const Penseur = require('penseur');
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const VAsync = require('vasync');
const Transform = require('./transform');
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const internals = {
defaults: {
name: 'portal',
db: {
test: false
},
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dockerComposeHost: 'tcp://0.0.0.0:4242'
},
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tables: {
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'portals': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'datacenters': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'deployment_groups': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'versions': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'manifests': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'services': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'packages': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'instances': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false },
'users': { id: { type: 'uuid' }, primary: 'id', secondary: false, purge: false }
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}
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};
module.exports = class Data extends EventEmitter {
constructor (options) {
super();
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const settings = Hoek.applyToDefaults(internals.defaults, options || {});
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// Penseur will assert that the options are correct
this._db = new Penseur.Db(settings.name, settings.db);
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this._dockerCompose = new DockerClient(settings.dockerComposeHost);
this._docker = new Dockerode(settings.docker);
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this._dockerCompose.on('error', (err) => {
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this.emit('error', err);
});
}
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connect (cb) {
this._db.establish(internals.tables, cb);
}
// portals
createPortal (clientPortal, cb) {
const portal = Transform.toPortal(clientPortal);
this._db.portals.insert(portal, (err, key) => {
if (err) {
return cb(err);
}
portal.id = key;
cb(null, Transform.fromPortal({ portal }));
});
}
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getPortal (options, cb) {
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this._db.portals.all((err, portals) => {
if (err) {
return cb(err);
}
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if (!portals) {
return cb();
}
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const portal = portals[0];
VAsync.parallel({
funcs: [
(next) => {
this.getDatacenter({ id: portal.datacenter_id }, next);
},
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(next) => {
this.getUser({}, next);
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}
]
}, (err, results) => {
if (err) {
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return cb(err);
}
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// Sub query/filter for deploymentGroups
const deploymentGroups = (args) => {
return new Promise((resolve, reject) => {
this.getDeploymentGroups(args, (err, groups) => {
if (err) {
return reject(err);
}
resolve(groups);
});
});
};
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cb(null, Transform.fromPortal({
portal,
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deploymentGroups,
datacenter: results.operations[0].result,
user: results.operations[1].result
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}));
});
});
}
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// datacenters
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createDatacenter (datacenter, cb) {
this._db.datacenters.insert(datacenter, (err, key) => {
if (err) {
return cb(err);
}
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datacenter.id = key;
cb(null, datacenter);
});
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}
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getDatacenters (cb) {
this._db.datacenters.all(cb);
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}
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getDatacenter ({ id, region }, cb) {
Hoek.assert(id || region, 'id or region are required to retrieve a datacenter');
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if (region) {
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return this._db.datacenters.query({ region }, (err, datacenters) => {
if (err) {
return cb(err);
}
return cb(null, datacenters && datacenters.length ? datacenters[0] : null);
});
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}
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this._db.datacenters.get(id, cb);
}
// users
createUser (clientUser, cb) {
const user = Transform.toUser(clientUser);
this._db.users.insert(user, (err, key) => {
if (err) {
return cb(err);
}
user.id = key;
cb(null, Transform.fromUser(user));
});
}
getUser (options, cb) {
this._db.users.all((err, users) => {
if (err) {
return cb(err);
}
if (!users || !users.length) {
return cb();
}
cb(null, Transform.fromUser(users[0]));
});
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}
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// deployment_groups
createDeploymentGroup (clientDeploymentGroup, cb) {
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// trigger deployment
// create deployment queue (we should think about what is a deployment queue)
// create the ConvergencePlans
// create a DeploymentPlan
// create a Version
// update the DeploymentGroup
const deploymentGroup = Transform.toDeploymentGroup(clientDeploymentGroup);
this._db.deployment_groups.insert(deploymentGroup, (err, key) => {
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if (err) {
return cb(err);
}
deploymentGroup.id = key;
cb(null, Transform.fromDeploymentGroup(deploymentGroup));
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});
}
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updateDeploymentGroup ({ id, name }, cb) {
this._db.deployment_groups.update(id, { name }, (err) => {
if (err) {
return cb(err);
}
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cb(null, Transform.fromDeploymentGroup({ id, name }));
});
}
getDeploymentGroups ({ ids, name, slug }, cb) {
const finish = (err, deploymentGroups) => {
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if (err) {
return cb(err);
}
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const getServices = (service_ids) => {
return (args) => {
args = args || {};
args.ids = service_ids;
return new Promise((resolve, reject) => {
this.getServices(args, (err, services) => {
if (err) {
return reject(err);
}
resolve(services);
});
});
};
};
const convertedGroups = deploymentGroups ? deploymentGroups.map((deploymentGroup) => {
return Transform.fromDeploymentGroup(deploymentGroup, getServices(deploymentGroup.service_ids));
}) : [];
cb(null, convertedGroups);
};
if (ids) {
return this._db.deployment_groups.get(ids, finish);
}
if (name) {
return this._db.deployment_groups.query({ name }, finish);
}
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if (slug) {
return this._db.deployment_groups.query({ slug }, finish);
}
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return this._db.deployment_groups.all(finish);
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}
getDeploymentGroup (query, cb) {
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this._db.deployment_groups.single(query, (err, deploymentGroup) => {
if (err) {
return cb(err);
}
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if (!deploymentGroup) {
return cb(null, {});
}
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if (!deploymentGroup.service_ids || !deploymentGroup.service_ids.length) {
return cb(null, Transform.fromDeploymentGroup(deploymentGroup));
}
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const getServices = (args) => {
args = args || {};
args.ids = deploymentGroup.service_ids;
return new Promise((resolve, reject) => {
this.getServices(args, (err, services) => {
if (err) {
return reject(err);
}
resolve(services);
});
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});
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};
cb(err, Transform.fromDeploymentGroup(deploymentGroup, getServices));
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});
}
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// versions
createVersion (clientVersion, cb) {
Hoek.assert(clientVersion, 'version is required');
Hoek.assert(clientVersion.manifestId, 'manifestId is required');
Hoek.assert(clientVersion.deploymentGroupId, 'deploymentGroupId is required');
const version = Transform.toVersion(clientVersion);
this._db.versions.insert(version, (err, key) => {
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if (err) {
return cb(err);
}
const changes = {
id: clientVersion.deploymentGroupId,
version_id: key,
history_version_ids: this._db.append(key)
};
if (clientVersion.serviceIds) {
changes['service_ids'] = clientVersion.serviceIds;
}
this._db.deployment_groups.update([changes], (err) => {
if (err) {
return cb(err);
}
version.id = key;
cb(null, Transform.fromVersion(version));
});
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});
}
getVersion ({ id, manifestId }, cb) {
const query = id ? { id } : { manifest_id: manifestId };
this._db.versions.single(query, (err, version) => {
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if (err) {
return cb(err);
}
cb(null, Transform.fromVersion(version));
});
}
getVersions ({ manifestId, deploymentGroupId }, cb) {
const finish = (err, versions) => {
if (err) {
return cb(err);
}
versions = versions || [];
cb(null, versions.map(Transform.fromVersion));
};
// ensure the data is in sync
this._db.versions.sync(() => {
if (manifestId) {
return this._db.versions.query({ manifest_id: manifestId }, finish);
}
this.getDeploymentGroup({ id: deploymentGroupId }, (err, deploymentGroup) => {
if (err) {
return finish(err);
}
this._db.versions.get(deploymentGroup.history, finish);
});
});
}
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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');
// 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
this._db.services.single({ id }, (err, service) => {
if (err) {
return cb(err);
}
if (!service) {
return cb(new Error(`service not found for id: ${id}`));
}
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 = {
projectName: deployment_group.name,
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services: {},
manifest: manifest.raw
};
options.services[service.name] = replicas;
this._dockerCompose.scale(options, (err, res) => {
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if (err) {
return cb(err);
}
console.log(JSON.stringify(res, null, ' '));
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finish();
});
}
// manifests
provisionManifest (clientManifest, cb) {
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// get deployment group to verify it exists and get the name
// insert manifest
// callback with manifest
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// provision containers and save service data
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this.getDeploymentGroup({ id: clientManifest.deploymentGroupId }, (err, deploymentGroup) => {
if (err) {
return cb(err);
}
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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;
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this._dockerCompose.provision({ projectName: deploymentGroup.name, manifest: clientManifest.raw }, (err, res) => {
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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,
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manifestId: key,
provisionRes: res
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};
this.provisionServices(options);
});
});
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manifest.id = key;
cb(null, Transform.fromManifest(manifest));
});
});
}
getManifest ({ id }, cb) {
this._db.manifests.single({ id }, (err, manifest) => {
if (err) {
return cb(err);
}
cb(null, Transform.fromManifest(manifest || {}));
});
}
getManifests ({ type, deploymentGroupId }, cb) {
const query = type ? { type } : { deployment_group_id: deploymentGroupId };
this._db.manifests.query(query, (err, manifests) => {
if (err) {
return cb(err);
}
manifests = manifests || [];
cb(null, manifests.map(Transform.fromManifest));
});
}
// services
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provisionServices ({ manifestServices, deploymentGroup, manifestId, provisionRes }, cb) {
// insert instance information
// insert service information
// insert version information -- will update deploymentGroups
cb = cb || ((err) => {
if (err) {
this.emit('error', err);
}
});
VAsync.forEachPipeline({
func: (serviceName, next) => {
const manifestService = manifestServices[serviceName];
const container = provisionRes[serviceName].plan.containers[0];
const clientInstance = {
name: serviceName,
machineId: container ? container.id : `${deploymentGroup.name}_${serviceName}_1`,
status: 'CREATED'
};
this.createInstance(clientInstance, (err, createdInstance) => {
if (err) {
return next(err);
}
const clientService = {
hash: manifestService.image,
name: serviceName,
slug: serviceName,
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deploymentGroupId: deploymentGroup.id,
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instances: [createdInstance],
info: provisionRes[serviceName]
};
this.createService(clientService, (err, createdService) => {
if (err) {
return next(err);
}
return next(null, {
action: {
type: 'CREATE',
service: serviceName,
machines: [createdInstance.machineId]
},
serviceId: createdService.id,
scale: {
serviceName,
replicas: 1
}
});
});
});
},
inputs: Object.keys(manifestServices)
}, (err, results) => {
if (err) {
return cb(err);
}
const successes = results.successes;
if (!successes || !successes.length) {
return cb();
}
const scales = successes.map((result) => {
return result.scale;
});
const actions = successes.map((result) => {
return result.action;
});
const serviceIds = successes.map((result) => {
return result.serviceId;
});
const plan = {
running: true,
actions
};
const clientVersion = {
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deploymentGroupId: deploymentGroup.id,
manifestId,
scales,
plan,
serviceIds
};
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this.createVersion(clientVersion, (err, version) => {
if (err) {
return cb(err);
}
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cb(null, version);
});
});
}
createService (clientService, cb) {
this._db.services.insert(Transform.toService(clientService), (err, key) => {
if (err) {
return cb(err);
}
clientService.id = key;
cb(null, clientService);
});
}
getService ({ id, hash }, cb) {
const query = id ? { id } : { version_hash: hash };
this._db.services.query(query, (err, service) => {
if (err) {
return cb(err);
}
if (!service) {
return cb(null, null);
}
this._db.packages.single({ id: service.package_id }, (err, packages) => {
if (err) {
return cb(err);
}
cb(null, Transform.fromService({ service, instances: this._instancesFilter(service.instance_ids), packages }));
});
});
}
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getServices (options, cb) {
const query = {};
if (options.ids && options.ids.length) {
query.id = this._db.or(options.ids);
}
if (options.name) {
query.name = options.name;
}
if (options.slug) {
query.slug = options.slug;
}
if (options.parentId) {
query.parent_id = options.parentId;
}
if (options.deploymentGroupId) {
query.deployment_group_id = options.deploymentGroupId;
}
this._db.services.query(query, (err, services) => {
if (err) {
return cb(err);
}
if (!services || !services.length) {
return cb();
}
return cb(null, services.map((service) => {
return Transform.fromService({ service, instances: this._instancesFilter(service.instance_ids) });
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}));
});
}
_instancesFilter (instanceIds) {
return ({ name, machineId, status }) => {
return new Promise((resolve, reject) => {
const query = {
id: this._db.or(instanceIds)
};
if (name) {
query.name = name;
}
if (machineId) {
query.machine_id = machineId;
}
if (status) {
query.status = status;
}
this._db.instances.query(query, (err, instances) => {
if (err) {
return reject(err);
}
if (!instances || !instances.length) {
return resolve([]);
}
resolve(instances.map(Transform.fromInstance));
});
});
};
}
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stopServices ({ ids }, cb) {
this._db.services.get(ids, (err, services) => {
if (err) {
return cb(err);
}
if (!services || !services.length) {
return cb();
}
let instanceIds = [];
services.forEach((service) => {
instanceIds = instanceIds.concat(service.instance_ids);
});
VAsync.forEachParallel({
func: (instanceId, next) => {
this._db.instances.get(instanceId, (err, instance) => {
if (err) {
return next(err);
}
const container = this._docker.getContainer(instance.machine_id);
container.stop((err) => {
if (err) {
return next(err);
}
this.updateInstance({ id: instance.id, status: 'STOPPED' }, next);
});
});
},
inputs: instanceIds
}, (err, results) => {
if (err) {
return cb(err);
}
this.getServices({ ids }, cb);
});
});
}
startServices ({ ids }, cb) {
this._db.services.get(ids, (err, services) => {
if (err) {
return cb(err);
}
if (!services || !services.length) {
return cb();
}
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let instanceIds = [];
services.forEach((service) => {
instanceIds = instanceIds.concat(service.instance_ids);
});
VAsync.forEachParallel({
func: (instanceId, next) => {
this._db.instances.get(instanceId, (err, instance) => {
if (err) {
return next(err);
}
const container = this._docker.getContainer(instance.machine_id);
container.start((err) => {
if (err) {
return next(err);
}
this.updateInstance({ id: instance.id, status: 'RUNNING' }, next);
});
});
},
inputs: instanceIds
}, (err, results) => {
if (err) {
return cb(err);
}
this.getServices({ ids }, cb);
});
});
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}
restartServices ({ ids }, cb) {
this._db.services.get(ids, (err, services) => {
if (err) {
return cb(err);
}
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if (!services || !services.length) {
return cb();
}
let instanceIds = [];
services.forEach((service) => {
instanceIds = instanceIds.concat(service.instance_ids);
});
VAsync.forEachParallel({
func: (instanceId, next) => {
this._db.instances.get(instanceId, (err, instance) => {
if (err) {
return next(err);
}
this.updateInstance({ id: instance.id, status: 'RESTARTING' }, () => {
const container = this._docker.getContainer(instance.machine_id);
container.restart((err) => {
if (err) {
return next(err);
}
this.updateInstance({ id: instance.id, status: 'RUNNING' }, next);
});
});
});
},
inputs: instanceIds
}, (err, results) => {
if (err) {
return cb(err);
}
this.getServices({ ids }, cb);
});
});
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}
deleteServices ({ ids }, cb) {
this._db.services.get(ids, (err, services) => {
if (err) {
return cb(err);
}
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if (!services || !services.length) {
return cb();
}
let instanceIds = [];
services.forEach((service) => {
instanceIds = instanceIds.concat(service.instance_ids);
});
VAsync.forEachParallel({
func: (instanceId, next) => {
this._db.instances.get(instanceId, (err, instance) => {
if (err) {
return next(err);
}
const container = this._docker.getContainer(instance.machine_id);
// Use force in case the container is running. TODO: should we keep force?
container.remove({ force: true }, (err) => {
if (err) {
return next(err);
}
this.updateInstance({ id: instance.id, status: 'DELETED' }, next);
});
});
},
inputs: instanceIds
}, (err, results) => {
if (err) {
return cb(err);
}
this.getServices({ ids }, cb);
});
});
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}
// instances
createInstance (clientInstance, cb) {
this._db.instances.insert(Transform.toInstance(clientInstance), (err, key) => {
if (err) {
return cb(err);
}
clientInstance.id = key;
cb(null, clientInstance);
});
}
getInstance ({ id }, cb) {
this._db.instances.single({ id }, (err, instance) => {
if (err) {
return cb(err);
}
cb(null, instance ? Transform.fromInstance(instance) : {});
});
}
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updateInstance ({ id, status }, cb) {
this._db.instances.update(id, { status }, (err, instance) => {
if (err) {
return cb(err);
}
cb(null, instance ? Transform.fromInstance(instance) : {});
});
}
// packages
createPackage (clientPackage, cb) {
this._db.packages.insert(Transform.toPackage(clientPackage), (err, key) => {
if (err) {
return cb(err);
}
clientPackage.id = key;
cb(null, clientPackage);
});
}
getPackage ({ id }, cb) {
this._db.packages.single({ id }, (err, dbPackage) => {
if (err) {
return cb(err);
}
cb(null, dbPackage ? Transform.fromPackage(dbPackage) : {});
});
}
getPackages ({ name, type }, cb) {
const query = name ? { name } : { type };
this._db.packages.query(query, (err, dbPackages) => {
if (err) {
return cb(err);
}
cb(null, dbPackages ? dbPackages.map(Transform.fromPackage) : []);
});
}
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};