1. alamode-sentry
2. alamode-publish
3. results.html.erb
4. index.css
5. index.js
6. bootstrap.min.css
7. bootstrap.min.js
8. jquery-1.9.1.min.js

The specific commands used to collect information are detailed in the alamode-sentry script.

Information is saved in a text file with the same name as the machine from which it was gathered (no file extension). One file is created for each machine and contains one line for each property, with the exception of the interrupts table. The lines are of the format key=value, using the following keys:

• cpu_utilization - The entire CPU utilization string provided by top, which is then separated into:
  • cpu_utilization_hi - Hardware interrupts
  • cpu_utilization_idle - Idle
  • cpu_utilization_ni - Nice
  • cpu_utilization_si - Software interrupts
  • cpu_utilization_st - Steal time
  • cpu_utilization_system - System
  • cpu_utilization_user - User
  • cpu_utilization_wa - I/O Wait
• date - The current date when the information is collected
• load_avg_01min - Load average for the last 1 minute
• load_avg_05min - Load average for the last 5 minutes
• load_avg_15min - Load average for the last 15 minutes
• For each cache level in cache_levels:
  • LEVEL\*_DCACHE_SIZE - Size, in kB, if there is a data cache for this level
  • LEVEL\*_ICACHE_SIZE - Size, in kB, if there is an information cache for this level
  • LEVEL\*_CACHE_SIZE - Size, in kB, if there is a unified cache for this level
• memory_free - Free memory, in kB
• memory_total - Total memory, in kB
• num_users - The number of users logged in
• processes_total - The total number of processes, divided into:
  • processes_num_running - The number of running processes
  • processes_num_sleeping - The number of sleeping processes
  • processes_num_stopped - The number of stopped processes
  • processes_num_zombie - The number of zombie processes
• processor_name - The human-readable processor name
• processor_num_real_cores - The number of real processor cores
• processor_num_virt_cores - The number of virtual processor cores
• processor_speed - The nominal processor speed, in GHz
• table_interrupt_data - This key is written last, on its own line, and followed by the comma-delimited output of cat /proc/interrupts

alamode-sentry is used to collect information about a host or hosts. alamode-publish generates HTML to display this information, with styling and behavoir povided by Bootstrap. Basic instructions for viewing the information are given in a banner at the top of the generated HTML page. In addition to marking a host as unreachable, the user is informed of any SSH errors when running alamode-sentry so that they know exactly what went wrong. This is the only other output given besides the location of the saved information, which is given last so that it can be piped. The interrupts table is modified to be comma-delimited for easier parsing when generating the HTML. The table is then diplayed in HTML exactly as it appears after running cat /proc/interrupts. There's a lot of extra logic in alamode-publish to handle edge cases not caught by Ruby's OptionParser module. If no input flag is given, the script defaults to reading from stdin. Otherwise, the user must specify a directory to read from and the script exits if the directory does not exist. The generated HTML is always saved as index.html in the output directory. The resources used for styling and behavior (Bootstrap and jQuery) are included with the scripts. Each resource is referenced by its absolute path in the file system (as determined by Ruby's File.expand_path method) rather than its position relative to the HTML file, so all of the resources must remain in the same directory as alamode-publish. When viewing the final result, the color of each hostname is styled to indicate its "rating"; light gray if unreachable, green if good, yellow if somewhat burdened, and red if extremely taxed. CPU utilization, memory usage, and types of processes are displayed using progress bars, with the option to click on the row to show/hide details. The number and types of processes are shown using stacked progress bars, color-coded and with a mouseover tooltip to display which one is which. Clicking the row shows/hides the exact numbers of each. The interrupts table is collapsed by default due to its size.