jobset-eval-failure

#!/usr/bin/env nix-shell

require "fileutils"
require "open3"
require "time"
require File.join(__dir__(), "lib/hydra")
require File.join(__dir__(), "lib/md")

abort "Usage: jobset-eval-failure [-f] <id>" unless ARGV[0]

# Options, set by parameters
$force = false

# Parameters parsing (destructive)
until ARGV.length == 0 do
  val = ARGV.shift

  if val == "--force" or val == "-f" then
    $force = true
  else
    $id = val
  end
end

# Gets the jobset
jobset = Hydra::Jobset.get($id)

# Filename to track whether we've seen this eval or not already
filename = "eval-report-#{jobset.id}@#{jobset.last_evaluation}.md"

# When the file exists, it assumes the report is produced and known.
if File.exist?(filename) and !$force
  url = File.read(filename)
  puts "Job status is already known, skipping\n\nSee #{url}\n"
  exit 0
end

# Use this **only** for the generation time.
now = Time.now.utc.iso8601

# User friendly status
status = case jobset.status
         when :success
           "succeded"
         when :warning
           "succeded with warnings"
         when :error
           "failed"
         else
           "':jobset.status.to_s'"
         end

# Document for the report.
document = []
document << MD.title("Jobset #{jobset.id} status for eval @ #{jobset.last_evaluation}")

document << MD.paragraph(MD.italics("Generated at #{now}"))
document << MD.paragraph("This evaluation #{status}.")
# This is not useful as this information *changes*.
#document << MD.paragraph("(An evaluation is pending since #{jobset.evaluation_pending_since}.)") if jobset.evaluation_pending

# Section with the error log
document << MD.subtitle("stderr for eval @ #{jobset.last_evaluation}")
document << MD.code(jobset.errors_log)

# Create a text document
text = MD.join(*document)

# Prepares a command to output a gist
gist = [
  "gist",
  "-p",
  "-f", filename,
]

# Creates the gist (hopefully)
out, status = Open3.capture2(*gist, stdin_data: text)
# FIXME : error condition

# Write the status to stdout
puts "Generated report:\n"
puts out

# And mark the jobset eval as seen!
File.write(filename, out)

#!nix-shell shell.nix -i "bundle exec ruby"
# vim: set ft=ruby: