456 lines
15 KiB
JavaScript
456 lines
15 KiB
JavaScript
import Ember from 'ember';
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import Response from 'ember-cli-mirage/response';
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import { HOSTS } from './common';
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import { logFrames, logEncode } from './data/logs';
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import { generateDiff } from './factories/job-version';
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import { generateTaskGroupFailures } from './factories/evaluation';
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import { copy } from 'ember-copy';
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export function findLeader(schema) {
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const agent = schema.agents.first();
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return `${agent.address}:${agent.tags.port}`;
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}
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export function filesForPath(allocFiles, filterPath) {
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return allocFiles.where(
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file =>
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(!filterPath || file.path.startsWith(filterPath)) &&
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file.path.length > filterPath.length &&
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!file.path.substr(filterPath.length + 1).includes('/')
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);
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}
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export default function() {
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this.timing = 0; // delay for each request, automatically set to 0 during testing
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this.logging = window.location.search.includes('mirage-logging=true');
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this.namespace = 'v1';
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this.trackRequests = Ember.testing;
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const nomadIndices = {}; // used for tracking blocking queries
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const server = this;
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const withBlockingSupport = function(fn) {
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return function(schema, request) {
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// Get the original response
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let { url } = request;
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url = url.replace(/index=\d+[&;]?/, '');
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const response = fn.apply(this, arguments);
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// Get and increment the appropriate index
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nomadIndices[url] || (nomadIndices[url] = 2);
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const index = nomadIndices[url];
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nomadIndices[url]++;
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// Annotate the response with the index
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if (response instanceof Response) {
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response.headers['X-Nomad-Index'] = index;
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return response;
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}
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return new Response(200, { 'x-nomad-index': index }, response);
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};
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};
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this.get(
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'/jobs',
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withBlockingSupport(function({ jobs }, { queryParams }) {
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const json = this.serialize(jobs.all());
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const namespace = queryParams.namespace || 'default';
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return json
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.filter(job =>
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namespace === 'default'
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? !job.NamespaceID || job.NamespaceID === namespace
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: job.NamespaceID === namespace
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)
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.map(job => filterKeys(job, 'TaskGroups', 'NamespaceID'));
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})
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);
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this.post('/jobs', function(schema, req) {
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const body = JSON.parse(req.requestBody);
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if (!body.Job) return new Response(400, {}, 'Job is a required field on the request payload');
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return okEmpty();
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});
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this.post('/jobs/parse', function(schema, req) {
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const body = JSON.parse(req.requestBody);
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if (!body.JobHCL)
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return new Response(400, {}, 'JobHCL is a required field on the request payload');
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if (!body.Canonicalize) return new Response(400, {}, 'Expected Canonicalize to be true');
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// Parse the name out of the first real line of HCL to match IDs in the new job record
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// Regex expectation:
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// in: job "job-name" {
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// out: job-name
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const nameFromHCLBlock = /.+?"(.+?)"/;
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const jobName = body.JobHCL.trim()
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.split('\n')[0]
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.match(nameFromHCLBlock)[1];
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const job = server.create('job', { id: jobName });
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return new Response(200, {}, this.serialize(job));
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});
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this.post('/job/:id/plan', function(schema, req) {
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const body = JSON.parse(req.requestBody);
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if (!body.Job) return new Response(400, {}, 'Job is a required field on the request payload');
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if (!body.Diff) return new Response(400, {}, 'Expected Diff to be true');
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const FailedTGAllocs = body.Job.Unschedulable && generateFailedTGAllocs(body.Job);
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return new Response(
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200,
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{},
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JSON.stringify({ FailedTGAllocs, Diff: generateDiff(req.params.id) })
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);
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});
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this.get(
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'/job/:id',
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withBlockingSupport(function({ jobs }, { params, queryParams }) {
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const job = jobs.all().models.find(job => {
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const jobIsDefault = !job.namespaceId || job.namespaceId === 'default';
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const qpIsDefault = !queryParams.namespace || queryParams.namespace === 'default';
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return (
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job.id === params.id &&
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(job.namespaceId === queryParams.namespace || (jobIsDefault && qpIsDefault))
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);
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});
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return job ? this.serialize(job) : new Response(404, {}, null);
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})
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);
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this.post('/job/:id', function(schema, req) {
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const body = JSON.parse(req.requestBody);
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if (!body.Job) return new Response(400, {}, 'Job is a required field on the request payload');
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return okEmpty();
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});
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this.get(
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'/job/:id/summary',
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withBlockingSupport(function({ jobSummaries }, { params }) {
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return this.serialize(jobSummaries.findBy({ jobId: params.id }));
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})
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);
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this.get('/job/:id/allocations', function({ allocations }, { params }) {
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return this.serialize(allocations.where({ jobId: params.id }));
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});
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this.get('/job/:id/versions', function({ jobVersions }, { params }) {
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return this.serialize(jobVersions.where({ jobId: params.id }));
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});
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this.get('/job/:id/deployments', function({ deployments }, { params }) {
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return this.serialize(deployments.where({ jobId: params.id }));
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});
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this.get('/job/:id/deployment', function({ deployments }, { params }) {
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const deployment = deployments.where({ jobId: params.id }).models[0];
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return deployment ? this.serialize(deployment) : new Response(200, {}, 'null');
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});
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this.post('/job/:id/periodic/force', function(schema, { params }) {
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// Create the child job
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const parent = schema.jobs.find(params.id);
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// Use the server instead of the schema to leverage the job factory
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server.create('job', 'periodicChild', {
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parentId: parent.id,
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namespaceId: parent.namespaceId,
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namespace: parent.namespace,
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createAllocations: parent.createAllocations,
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});
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return okEmpty();
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});
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this.delete('/job/:id', function(schema, { params }) {
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const job = schema.jobs.find(params.id);
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job.update({ status: 'dead' });
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return new Response(204, {}, '');
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});
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this.get('/deployment/:id');
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this.post('/deployment/promote/:id', function() {
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return new Response(204, {}, '');
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});
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this.get('/job/:id/evaluations', function({ evaluations }, { params }) {
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return this.serialize(evaluations.where({ jobId: params.id }));
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});
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this.get('/evaluation/:id');
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this.get('/deployment/allocations/:id', function(schema, { params }) {
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const job = schema.jobs.find(schema.deployments.find(params.id).jobId);
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const allocations = schema.allocations.where({ jobId: job.id });
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return this.serialize(allocations.slice(0, 3));
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});
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this.get('/nodes', function({ nodes }) {
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const json = this.serialize(nodes.all());
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return json;
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});
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this.get('/node/:id');
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this.get('/node/:id/allocations', function({ allocations }, { params }) {
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return this.serialize(allocations.where({ nodeId: params.id }));
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});
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this.get('/allocations');
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this.get('/allocation/:id');
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this.post('/allocation/:id/stop', function() {
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return new Response(204, {}, '');
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});
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this.get('/namespaces', function({ namespaces }) {
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const records = namespaces.all();
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if (records.length) {
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return this.serialize(records);
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}
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return new Response(501, {}, null);
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});
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this.get('/namespace/:id', function({ namespaces }, { params }) {
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if (namespaces.all().length) {
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return this.serialize(namespaces.find(params.id));
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}
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return new Response(501, {}, null);
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});
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this.get('/agent/members', function({ agents, regions }) {
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const firstRegion = regions.first();
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return {
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ServerRegion: firstRegion ? firstRegion.id : null,
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Members: this.serialize(agents.all()),
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};
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});
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this.get('/status/leader', function(schema) {
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return JSON.stringify(findLeader(schema));
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});
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this.get('/acl/token/self', function({ tokens }, req) {
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const secret = req.requestHeaders['X-Nomad-Token'];
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const tokenForSecret = tokens.findBy({ secretId: secret });
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// Return the token if it exists
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if (tokenForSecret) {
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return this.serialize(tokenForSecret);
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}
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// Client error if it doesn't
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return new Response(400, {}, null);
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});
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this.get('/acl/token/:id', function({ tokens }, req) {
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const token = tokens.find(req.params.id);
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const secret = req.requestHeaders['X-Nomad-Token'];
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const tokenForSecret = tokens.findBy({ secretId: secret });
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// Return the token only if the request header matches the token
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// or the token is of type management
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if (token.secretId === secret || (tokenForSecret && tokenForSecret.type === 'management')) {
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return this.serialize(token);
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}
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// Return not authorized otherwise
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return new Response(403, {}, null);
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});
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this.get('/acl/policy/:id', function({ policies, tokens }, req) {
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const policy = policies.find(req.params.id);
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const secret = req.requestHeaders['X-Nomad-Token'];
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const tokenForSecret = tokens.findBy({ secretId: secret });
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// Return the policy only if the token that matches the request header
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// includes the policy or if the token that matches the request header
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// is of type management
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if (
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tokenForSecret &&
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(tokenForSecret.policies.includes(policy) || tokenForSecret.type === 'management')
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) {
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return this.serialize(policy);
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}
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// Return not authorized otherwise
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return new Response(403, {}, null);
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});
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this.get('/regions', function({ regions }) {
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return this.serialize(regions.all());
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});
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const clientAllocationStatsHandler = function({ clientAllocationStats }, { params }) {
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return this.serialize(clientAllocationStats.find(params.id));
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};
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const clientAllocationLog = function(server, { params, queryParams }) {
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const allocation = server.allocations.find(params.allocation_id);
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const tasks = allocation.taskStateIds.map(id => server.taskStates.find(id));
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if (!tasks.mapBy('name').includes(queryParams.task)) {
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return new Response(400, {}, 'must include task name');
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}
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if (queryParams.plain) {
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return logFrames.join('');
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}
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return logEncode(logFrames, logFrames.length - 1);
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};
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const clientAllocationFSLsHandler = function({ allocFiles }, { queryParams }) {
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// Ignore the task name at the beginning of the path
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const filterPath = queryParams.path.substr(queryParams.path.indexOf('/') + 1);
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const files = filesForPath(allocFiles, filterPath);
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return this.serialize(files);
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};
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const clientAllocationFSStatHandler = function({ allocFiles }, { queryParams }) {
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// Ignore the task name at the beginning of the path
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const filterPath = queryParams.path.substr(queryParams.path.indexOf('/') + 1);
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// Root path
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if (!filterPath) {
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return this.serialize({
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IsDir: true,
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ModTime: new Date(),
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});
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}
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// Either a file or a nested directory
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const file = allocFiles.where({ path: filterPath }).models[0];
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return this.serialize(file);
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};
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const clientAllocationCatHandler = function({ allocFiles }, { queryParams }) {
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const [file, err] = fileOrError(allocFiles, queryParams.path);
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if (err) return err;
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return file.body;
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};
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const clientAllocationStreamHandler = function({ allocFiles }, { queryParams }) {
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const [file, err] = fileOrError(allocFiles, queryParams.path);
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if (err) return err;
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// Pretender, and therefore Mirage, doesn't support streaming responses.
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return file.body;
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};
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const clientAllocationReadAtHandler = function({ allocFiles }, { queryParams }) {
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const [file, err] = fileOrError(allocFiles, queryParams.path);
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if (err) return err;
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return file.body.substr(queryParams.offset || 0, queryParams.limit);
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};
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const fileOrError = function(allocFiles, path, message = 'Operation not allowed on a directory') {
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// Ignore the task name at the beginning of the path
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const filterPath = path.substr(path.indexOf('/') + 1);
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// Root path
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if (!filterPath) {
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return [null, new Response(400, {}, message)];
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}
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const file = allocFiles.where({ path: filterPath }).models[0];
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if (file.isDir) {
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return [null, new Response(400, {}, message)];
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}
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return [file, null];
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};
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// Client requests are available on the server and the client
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this.put('/client/allocation/:id/restart', function() {
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return new Response(204, {}, '');
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});
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this.get('/client/allocation/:id/stats', clientAllocationStatsHandler);
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this.get('/client/fs/logs/:allocation_id', clientAllocationLog);
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this.get('/client/fs/ls/:allocation_id', clientAllocationFSLsHandler);
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this.get('/client/fs/stat/:allocation_id', clientAllocationFSStatHandler);
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this.get('/client/fs/cat/:allocation_id', clientAllocationCatHandler);
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this.get('/client/fs/stream/:allocation_id', clientAllocationStreamHandler);
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this.get('/client/fs/readat/:allocation_id', clientAllocationReadAtHandler);
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this.get('/client/stats', function({ clientStats }, { queryParams }) {
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const seed = faker.random.number(10);
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if (seed >= 8) {
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const stats = clientStats.find(queryParams.node_id);
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stats.update({
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timestamp: Date.now() * 1000000,
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CPUTicksConsumed: stats.CPUTicksConsumed + faker.random.number({ min: -10, max: 10 }),
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});
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return this.serialize(stats);
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} else {
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return new Response(500, {}, null);
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}
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});
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// TODO: in the future, this hack may be replaceable with dynamic host name
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// support in pretender: https://github.com/pretenderjs/pretender/issues/210
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HOSTS.forEach(host => {
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this.get(`http://${host}/v1/client/allocation/:id/stats`, clientAllocationStatsHandler);
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this.get(`http://${host}/v1/client/fs/logs/:allocation_id`, clientAllocationLog);
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this.get(`http://${host}/v1/client/fs/ls/:allocation_id`, clientAllocationFSLsHandler);
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this.get(`http://${host}/v1/client/stat/ls/:allocation_id`, clientAllocationFSStatHandler);
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this.get(`http://${host}/v1/client/fs/cat/:allocation_id`, clientAllocationCatHandler);
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this.get(`http://${host}/v1/client/fs/stream/:allocation_id`, clientAllocationStreamHandler);
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this.get(`http://${host}/v1/client/fs/readat/:allocation_id`, clientAllocationReadAtHandler);
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this.get(`http://${host}/v1/client/stats`, function({ clientStats }) {
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return this.serialize(clientStats.find(host));
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});
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});
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}
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function filterKeys(object, ...keys) {
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const clone = copy(object, true);
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keys.forEach(key => {
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delete clone[key];
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});
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return clone;
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}
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// An empty response but not a 204 No Content. This is still a valid JSON
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// response that represents a payload with no worthwhile data.
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function okEmpty() {
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return new Response(200, {}, '{}');
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}
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function generateFailedTGAllocs(job, taskGroups) {
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const taskGroupsFromSpec = job.TaskGroups && job.TaskGroups.mapBy('Name');
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let tgNames = ['tg-one', 'tg-two'];
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if (taskGroupsFromSpec && taskGroupsFromSpec.length) tgNames = taskGroupsFromSpec;
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if (taskGroups && taskGroups.length) tgNames = taskGroups;
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return tgNames.reduce((hash, tgName) => {
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hash[tgName] = generateTaskGroupFailures();
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return hash;
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}, {});
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}
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