Class: Chimp::ChimpDaemon::JobServlet
- Inherits:
-
GenericServlet
- Object
- WEBrick::HTTPServlet::AbstractServlet
- GenericServlet
- Chimp::ChimpDaemon::JobServlet
- Defined in:
- lib/right_chimp/daemon/chimp_daemon.rb
Overview
JobServlet - job control
HTTP body is a yaml serialized chimp object
Instance Method Summary collapse
- #do_GET(req, resp) ⇒ Object
-
#do_POST(req, resp) ⇒ Object
do_POST do_GET.
Methods inherited from GenericServlet
#get_id, #get_job_uuid, #get_payload, #get_verb
Instance Method Details
#do_GET(req, resp) ⇒ Object
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# File 'lib/right_chimp/daemon/chimp_daemon.rb', line 467 def do_GET(req, resp) id = self.get_id(req) verb = self.get_verb(req) job_results = 'OK' queue = ChimpQueue.instance # # check for special job ids # jobs = [] jobs << queue.get_job(id.to_i) jobs = queue.get_jobs_by_status(:running) if id == 'running' jobs = queue.get_jobs_by_status(:error) if id == 'error' jobs = queue.get_jobs_by_status(:holding) if id == 'holding' jobs = queue.get_jobs if id == 'all' raise WEBrick::HTTPStatus::PreconditionFailed.new('invalid or missing job_id #{id}') unless jobs.size > 0 # # ACK a job -- mark it as successful even if it failed # if req.request_uri.path =~ /ack$/ jobs.each do |j| j.status = Executor::STATUS_DONE end resp.set_redirect( WEBrick::HTTPStatus::TemporaryRedirect, req.header['referer']) # # queue a job # elsif req.request_uri.path =~ /queue$/ jobs.each do |j| j.queue end resp.set_redirect( WEBrick::HTTPStatus::TemporaryRedirect, req.header['referer']) # # retry a job # elsif req.request_uri.path =~ /retry$/ jobs.each do |j| j.requeue end resp.set_redirect( WEBrick::HTTPStatus::TemporaryRedirect, req.header['referer']) # # cancel an active job # elsif req.request_uri.path =~ /cancel$/ jobs.each do |j| j.cancel if j.respond_to? :cancel end resp.set_redirect( WEBrick::HTTPStatus::TemporaryRedirect, req.header['referer']) # # produce a report # elsif req.request_uri.path =~ /report$/ results = ["group_name,type,job_id,script,target,start_time,end_time,total_time,status"] jobs.each do |j| results << [j.group.group_id, j.class.to_s.sub("Chimp::",""), j.job_id, j.info, j.target, j.time_start, j.time_end, j.get_total_exec_time, j.status].join(",") end queue.group.values.each do |g| results << [g.group_id, g.class.to_s.sub("Chimp::",""), "", "", "", g.time_start, g.time_end, g.get_total_exec_time, ""].join(",") end job_results = results.join("\n") + "\n" resp['Content-type'] = "text/csv" resp['Content-disposition'] = "attachment;filename=chimp.csv" end # # return a list of the results # resp.body = job_results raise WEBrick::HTTPStatus::OK end |
#do_POST(req, resp) ⇒ Object
do_POST do_GET
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# File 'lib/right_chimp/daemon/chimp_daemon.rb', line 416 def do_POST(req, resp) id = -1 # we don't know the job_id because we cant guess how many tasks one call creates. job_id = self.get_id(req) job_uuid= self.get_job_uuid(req) verb = self.get_verb(req) payload = self.get_payload(req) raise WEBrick::HTTPStatus::PreconditionFailed.new('missing payload') unless payload q = ChimpQueue.instance group = payload.group # # Ask chimpd to process a Chimp object directly # if verb == 'process' or verb == 'add' ChimpDaemon.instance.semaphore.synchronize do # While we are at it, we will store these processing jobs to prevent issues in the event # of a very slow API response. Log.debug 'Adding job: ' + job_uuid + ' to the processing queue for group: ' + group.to_s q.processing[payload.group] = {} if q.processing[payload.group].nil? q.processing[payload.group][payload.job_uuid.to_sym] = 0 ChimpDaemon.instance.proc_counter += 1 end # comment the next line to GET STUCK IN PROCESSING forever ChimpDaemon.instance.chimp_queue.push payload # Proper count of processing Tasks counter = 0 q.processing.each{|k,v| counter += v.size } Log.debug 'Processing:' Log.debug 'Tasks in the processing queue:' + counter.to_s Log.debug q.processing.inspect elsif verb == 'update' puts 'UPDATE' q.get_job(job_id).status = payload.status end resp.body = { 'job_uuid' => job_uuid, 'id' => job_id }.to_yaml raise WEBrick::HTTPStatus::OK end |