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# File 'lib/rbbt/rest/workflow.rb', line 31
def add_workflow(workflow, add_resource = false)
raise "Provided workflow is not of type Workflow" unless Workflow === workflow
RbbtRESTWorkflow::WORKFLOWS.push workflow unless RbbtRESTWorkflow::WORKFLOWS.include? workflow
Log.debug "Adding #{ workflow } to REST server"
add_workflow_resource(workflow, add_resource == :priority) if add_resource
workflow.documentation
if ENV["RBBT_WORKFLOW_EXPORT_ALL"] == "true"
workflow.export *workflow.tasks.keys
end
self.instance_eval workflow.libdir.lib['sinatra.rb'].read, workflow.libdir.lib['sinatra.rb'].find if workflow.respond_to?(:libdir) and File.exists? workflow.libdir.lib['sinatra.rb']
get "/#{workflow.to_s}" do
case format
when :json
content_type "application/json"
@can_stream = ENV["RBBT_WORKFLOW_TASK_STREAM"] == 'true'
{:stream => workflow.stream_exports, :exec => workflow.exec_exports, :synchronous => workflow.synchronous_exports, :asynchronous => workflow.asynchronous_exports, :can_stream => !!@can_stream}.to_json
else
workflow_render('tasks', workflow, nil, @clean_params)
end
end
get "/#{workflow.to_s}/documentation" do
case format
when :html
workflow_render('tasks', workflow)
when :json
content_type "application/json"
workflow.documentation.to_json
else
raise "Unsupported format specified: #{ format }"
end
end
get "/#{workflow.to_s}/:task/info" do
task = consume_parameter(:task)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
case format
when :html
workflow_render('task_info', workflow, nil, :cache => false )
when :json
content_type "application/json"
workflow.task_info(task.to_sym).to_json
else
raise "Unsupported format specified: #{ format }"
end
end
get "/#{workflow.to_s}/:task/dependencies" do
task = consume_parameter(:task)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
case format
when :html
workflow_render('task_dependencies', workflow)
when :json
content_type "application/json"
workflow.task_dependencies[task.to_sym].to_json
else
raise "Unsupported format specified: #{ format }"
end
end
get "/#{workflow.to_s}/description" do
halt 200, workflow.documentation[:description] || ""
end
get "/#{workflow.to_s}/:task" do
task = consume_parameter(:task)
jobname = consume_parameter(:jobname)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
task_parameters = consume_task_parameters(workflow, task, params)
task_parameters[:jobname] = jobname
if complete_input_set(workflow, task, task_parameters) or format != :html
issue_job(workflow, task, jobname, task_parameters)
else
workflow_render('form', workflow, task, task_parameters)
end
end
post "/#{workflow.to_s}/:task" do
task = consume_parameter(:task)
jobname = consume_parameter(:jobname)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
task_parameters = consume_task_parameters(workflow, task, params)
issue_job(workflow, task, jobname, task_parameters)
end
get "/#{workflow.to_s}/:task/:job" do
task = consume_parameter(:task)
job = consume_parameter(:job)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
job = workflow.load_id(File.join(task, job))
abort_job(workflow, job) and halt 200 if update.to_s == "abort"
clean_job(workflow, job) and halt 200 if update.to_s == "clean"
recursive_clean_job(workflow, job) and halt 200 if update.to_s == "recursive_clean"
begin
started = job.started?
waiting = job.waiting?
done = job.done?
error = job.error? || job.aborted?
started = started || done || error
if done
show_result job, workflow, task, params
else
if started || waiting
exec_type = execution_type(workflow, task)
case
when error
error_for job
when (exec_type == :asynchronous or exec_type == :async)
case @format.to_s
when 'json', 'raw', 'binary'
halt 202
else
wait_on job
end
else
job.join
raise RbbtRESTHelpers::Retry
end
else
halt 404, "Job not found: #{job.status}"
end
end
rescue RbbtRESTHelpers::Retry
retry
end
end
get "/#{workflow.to_s}/:task/:job/info" do
task = consume_parameter(:task)
job = consume_parameter(:job)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
job = workflow.load_id(File.join(task, job))
raise RbbtException.new "Job not found: #{job.path}" unless job.started? or job.waiting? or job.error? or job.aborted?
begin
check_step job unless job.done?
rescue Aborted
end
case format
when :html
workflow_render('job_info', workflow, task, :job => job, :info => job.info)
when :json
content_type "application/json"
info_json = {}
job.info.each do |k,v|
info_json[k] = case v.to_s
when "NaN"
"NaN"
when "Infinity"
"Infinity"
else
v
end
end
halt 200, info_json.to_json
else
raise "Unsupported format specified: #{ format }"
end
end
get "/#{workflow.to_s}/:task/:job/files" do
task = consume_parameter(:task)
job = consume_parameter(:job)
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
job = workflow.load_id(File.join(task, job))
case format
when :html
workflow_render('job_files', workflow, task, :info => job.info)
when :json
content_type "application/json"
job.files.to_json
else
raise "Unsupported format specified: #{ format }"
end
end
get "/#{workflow.to_s}/:task/:job/file/*" do
task = consume_parameter(:task)
job = consume_parameter(:job)
filename = params[:splat].first
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
execution_type = execution_type(workflow, task)
job = workflow.load_id(File.join(task, job))
require 'mimemagic'
path = job.file(filename)
mime = nil
Open.open(path) do |io|
begin
mime = MimeMagic.by_path(io)
if mime.nil?
io.rewind
mime = MimeMagic.by_magic(io)
end
if mime.nil?
io.rewind
mime = "text/tab-separated-values" if io.gets =~ /^#/ and io.gets.include? "\t"
end
rescue Exception
Log.exception $!
end
end
content_type mime if mime
send_file path
end
delete "/#{workflow.to_s}/:task/:job" do
task = consume_parameter(:task)
job = consume_parameter(:job)
job = workflow.load_id(File.join(task, job))
raise Workflow::TaskNotFoundException.new workflow, task unless workflow.tasks.include? task.to_sym
clean_job(workflow, job)
end
end
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