mirror of
https://github.com/overleaf/overleaf.git
synced 2024-09-16 02:52:31 -04:00
241 lines
8.1 KiB
CoffeeScript
241 lines
8.1 KiB
CoffeeScript
CompileController = require "./app/js/CompileController"
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Settings = require "settings-sharelatex"
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logger = require "logger-sharelatex"
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logger.initialize("clsi")
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if Settings.sentry?.dsn?
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logger.initializeErrorReporting(Settings.sentry.dsn)
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smokeTest = require "smoke-test-sharelatex"
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ContentTypeMapper = require "./app/js/ContentTypeMapper"
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Errors = require './app/js/Errors'
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Path = require "path"
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fs = require "fs"
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Metrics = require "metrics-sharelatex"
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Metrics.initialize("clsi")
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Metrics.open_sockets.monitor(logger)
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Metrics.memory.monitor(logger)
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ProjectPersistenceManager = require "./app/js/ProjectPersistenceManager"
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OutputCacheManager = require "./app/js/OutputCacheManager"
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require("./app/js/db").sync()
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express = require "express"
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bodyParser = require "body-parser"
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app = express()
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app.use Metrics.http.monitor(logger)
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# Compile requests can take longer than the default two
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# minutes (including file download time), so bump up the
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# timeout a bit.
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TIMEOUT = 6 * 60 * 1000
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app.use (req, res, next) ->
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req.setTimeout TIMEOUT
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res.setTimeout TIMEOUT
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res.removeHeader("X-Powered-By")
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next()
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app.param 'project_id', (req, res, next, project_id) ->
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if project_id?.match /^[a-zA-Z0-9_-]+$/
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next()
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else
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next new Error("invalid project id")
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app.param 'user_id', (req, res, next, user_id) ->
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if user_id?.match /^[0-9a-f]{24}$/
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next()
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else
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next new Error("invalid user id")
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app.param 'build_id', (req, res, next, build_id) ->
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if build_id?.match OutputCacheManager.BUILD_REGEX
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next()
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else
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next new Error("invalid build id #{build_id}")
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app.post "/project/:project_id/compile", bodyParser.json(limit: "5mb"), CompileController.compile
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app.post "/project/:project_id/compile/stop", CompileController.stopCompile
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app.delete "/project/:project_id", CompileController.clearCache
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app.get "/project/:project_id/sync/code", CompileController.syncFromCode
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app.get "/project/:project_id/sync/pdf", CompileController.syncFromPdf
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app.get "/project/:project_id/wordcount", CompileController.wordcount
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app.get "/project/:project_id/status", CompileController.status
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# Per-user containers
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app.post "/project/:project_id/user/:user_id/compile", bodyParser.json(limit: "5mb"), CompileController.compile
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app.post "/project/:project_id/user/:user_id/compile/stop", CompileController.stopCompile
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app.delete "/project/:project_id/user/:user_id", CompileController.clearCache
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app.get "/project/:project_id/user/:user_id/sync/code", CompileController.syncFromCode
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app.get "/project/:project_id/user/:user_id/sync/pdf", CompileController.syncFromPdf
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app.get "/project/:project_id/user/:user_id/wordcount", CompileController.wordcount
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ForbidSymlinks = require "./app/js/StaticServerForbidSymlinks"
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# create a static server which does not allow access to any symlinks
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# avoids possible mismatch of root directory between middleware check
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# and serving the files
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staticServer = ForbidSymlinks express.static, Settings.path.compilesDir, setHeaders: (res, path, stat) ->
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if Path.basename(path) == "output.pdf"
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# Calculate an etag in the same way as nginx
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# https://github.com/tj/send/issues/65
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etag = (path, stat) ->
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'"' + Math.ceil(+stat.mtime / 1000).toString(16) +
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'-' + Number(stat.size).toString(16) + '"'
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res.set("Etag", etag(path, stat))
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res.set("Content-Type", ContentTypeMapper.map(path))
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app.get "/project/:project_id/user/:user_id/build/:build_id/output/*", (req, res, next) ->
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# for specific build get the path from the OutputCacheManager (e.g. .clsi/buildId)
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req.url = "/#{req.params.project_id}-#{req.params.user_id}/" + OutputCacheManager.path(req.params.build_id, "/#{req.params[0]}")
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staticServer(req, res, next)
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app.get "/project/:project_id/build/:build_id/output/*", (req, res, next) ->
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# for specific build get the path from the OutputCacheManager (e.g. .clsi/buildId)
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req.url = "/#{req.params.project_id}/" + OutputCacheManager.path(req.params.build_id, "/#{req.params[0]}")
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staticServer(req, res, next)
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app.get "/project/:project_id/user/:user_id/output/*", (req, res, next) ->
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# for specific user get the path to the top level file
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req.url = "/#{req.params.project_id}-#{req.params.user_id}/#{req.params[0]}"
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staticServer(req, res, next)
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app.get "/project/:project_id/output/*", (req, res, next) ->
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if req.query?.build? && req.query.build.match(OutputCacheManager.BUILD_REGEX)
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# for specific build get the path from the OutputCacheManager (e.g. .clsi/buildId)
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req.url = "/#{req.params.project_id}/" + OutputCacheManager.path(req.query.build, "/#{req.params[0]}")
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else
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req.url = "/#{req.params.project_id}/#{req.params[0]}"
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staticServer(req, res, next)
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app.get "/oops", (req, res, next) ->
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logger.error {err: "hello"}, "test error"
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res.send "error\n"
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app.get "/status", (req, res, next) ->
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res.send "CLSI is alive\n"
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resCacher =
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contentType:(@setContentType)->
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send:(@code, @body)->
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#default the server to be down
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code:500
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body:{}
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setContentType:"application/json"
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if Settings.smokeTest
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do runSmokeTest = ->
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logger.log("running smoke tests")
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smokeTest.run(require.resolve(__dirname + "/test/smoke/js/SmokeTests.js"))({}, resCacher)
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setTimeout(runSmokeTest, 30 * 1000)
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app.get "/health_check", (req, res)->
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res.contentType(resCacher?.setContentType)
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res.status(resCacher?.code).send(resCacher?.body)
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app.get "/smoke_test_force", (req, res)->
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smokeTest.run(require.resolve(__dirname + "/test/smoke/js/SmokeTests.js"))(req, res)
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profiler = require "v8-profiler"
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app.get "/profile", (req, res) ->
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time = parseInt(req.query.time || "1000")
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profiler.startProfiling("test")
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setTimeout () ->
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profile = profiler.stopProfiling("test")
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res.json(profile)
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, time
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app.get "/heapdump", (req, res)->
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require('heapdump').writeSnapshot '/tmp/' + Date.now() + '.clsi.heapsnapshot', (err, filename)->
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res.send filename
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app.use (error, req, res, next) ->
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if error instanceof Errors.NotFoundError
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logger.warn {err: error, url: req.url}, "not found error"
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return res.sendStatus(404)
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else
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logger.error {err: error, url: req.url}, "server error"
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res.sendStatus(error?.statusCode || 500)
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net = require "net"
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os = require "os"
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STATE = "up"
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loadTcpServer = net.createServer (socket) ->
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socket.on "error", (err)->
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if err.code == "ECONNRESET"
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# this always comes up, we don't know why
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return
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logger.err err:err, "error with socket on load check"
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socket.destroy()
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if STATE == "up" and Settings.internal.load_balancer_agent.report_load
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currentLoad = os.loadavg()[0]
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# staging clis's have 1 cpu core only
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if os.cpus().length == 1
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availableWorkingCpus = 1
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else
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availableWorkingCpus = os.cpus().length - 1
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freeLoad = availableWorkingCpus - currentLoad
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freeLoadPercentage = Math.round((freeLoad / availableWorkingCpus) * 100)
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if freeLoadPercentage <= 0
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freeLoadPercentage = 1 # when its 0 the server is set to drain and will move projects to different servers
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socket.write("up, #{freeLoadPercentage}%\n", "ASCII")
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socket.end()
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else
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socket.write("#{STATE}\n", "ASCII")
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socket.end()
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loadHttpServer = express()
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loadHttpServer.post "/state/up", (req, res, next) ->
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STATE = "up"
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logger.info "getting message to set server to down"
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res.sendStatus 204
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loadHttpServer.post "/state/down", (req, res, next) ->
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STATE = "down"
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logger.info "getting message to set server to down"
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res.sendStatus 204
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loadHttpServer.post "/state/maint", (req, res, next) ->
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STATE = "maint"
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logger.info "getting message to set server to maint"
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res.sendStatus 204
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port = (Settings.internal?.clsi?.port or 3013)
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host = (Settings.internal?.clsi?.host or "localhost")
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load_tcp_port = Settings.internal.load_balancer_agent.load_port
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load_http_port = Settings.internal.load_balancer_agent.local_port
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if !module.parent # Called directly
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app.listen port, host, (error) ->
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logger.info "CLSI starting up, listening on #{host}:#{port}"
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loadTcpServer.listen load_tcp_port, host, (error) ->
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throw error if error?
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logger.info "Load tcp agent listening on load port #{load_tcp_port}"
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loadHttpServer.listen load_http_port, host, (error) ->
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throw error if error?
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logger.info "Load http agent listening on load port #{load_http_port}"
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module.exports = app
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setInterval () ->
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ProjectPersistenceManager.clearExpiredProjects()
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, tenMinutes = 10 * 60 * 1000
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