open-nomad/ui/mirage/config.js
2020-01-23 16:34:33 -08:00

476 lines
15 KiB
JavaScript

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