Top Level Namespace

Defined Under Namespace

Modules: Comana

Constant Summary collapse

USAGE =

! /usr/bin/env ruby coding: utf-8

<<HERE
  sshall
    -g groups

    E.g.,
      sshall -c "ls -l /" HostA HostB
        Indicate each host
      sshall -c "ls -l /" -g GroupA GroupB
        Indicate Hosts with group names
      sshall -c "ls -l /"
        Execute on all hosts when empty targets

      sshall HostA HostB
        Login each hosts when -c option is omitted.

      sshall -u USER -c "ls -l /"
        Login as USER
HERE
OPTIONS =

option analysis

{}
COMMAND_NAME =

Analyze options

File.basename("#{__FILE__}")

Instance Method Summary collapse

Instance Method Details

#hi ⇒ Object

Output



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# File 'bin/hostinfo', line 123

hostinspectors.each do |hi|
  # oldest update
  oldest_key, val = requirement.min_by {|key,val| hi.time_updated(key.to_s)}
  hostname = hi.hostname
  timeago  = time_ago( hi.time_updated(oldest_key.to_s))
  hosttime = sprintf("%-10s (%12s) ",
         hi.hostname, time_ago( hi.time_updated(oldest_key.to_s)))
  begin
    case subcommand
    when "ping"
      if hi.fetch('ping')
        hosttime += "o"
      else
        hosttime += "x"
      end
      puts hosttime
    when "alive"
      puts hostname if hi.fetch('ping')
    when "cwd"
      puts hosttime
      hi.fetch('cwd').each do |pid, cwd|
        printf("  %5s %s\n", pid, cwd)
      end
    when "ps"
      puts hosttime
      hi.fetch('ps').each do |pid, ps|
        printf("  %-10s %5s\n", hi.hostname, pid)
      end
    when "cpuinfo"
      result = hosttime
      begin
        cpuinfo = hi.fetch('cpuinfo')
        result += sprintf("%2d_cores  %s\n",
               cpuinfo.size, cpuinfo[0]["model name"].gsub(/ +/, '_'))
      rescue
        result += sprintf("not_obtained\n")
      end
      puts result
    when "meminfo"
      result = hosttime
      meminfo = hi.fetch('meminfo')
      result += sprintf("%s\n", meminfo['MemTotal'])
      puts result
    when "load"
      result = hosttime
      ps      = hi.fetch("ps")
      cwd     = hi.fetch("cwd")
      pid, process = ps.max_by {|key, val| val['cpu'].to_f}
      command = File.basename(process['command'].split[0])
      result += sprintf("%5s %8s %5.1f %5.1f %20s %s\n",
             pid, process['user'], process['cpu'], process['mem'],
            command, cwd[pid])
      puts result
    end
  rescue Comana::HostInspector::NoUpdateFile
    puts hosttime + "------------"
  rescue NoMethodError # 主にデータを取れなかった時用
    puts hosttime + "------------"
  end
end

#target_hosts ⇒ Object

Return selected hosts



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# File 'bin/hostinfo', line 59

def target_hosts
  cs = Comana::ClusterSetting.load_file
  groups = {}
  cs.groups.each do |key, val|
    cluster = key
    groups[key] = val["members"]
  end
  hs = Comana::HostSelector.new groups
  if OPTIONS[:group]
    hosts = []
    ARGV.each do |group|
      begin
        hosts << hs.select_group(group)
      rescue Comana::HostSelector::NoEntryError
        $stderr.puts "Unknown group: #{group}"
      end
    end
    hosts.flatten!
  else
    hosts = ARGV
  end
  hosts = hs.select_all if ARGV.empty?
  hosts
end

#time_ago(uptime) ⇒ Object 



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# File 'bin/hostinfo', line 84

def time_ago(uptime)
  if uptime
    second = (Time.now - uptime).to_i
    if second >= 86400
      result = sprintf("%2s days ago", second / 86400)
    elsif second >= 3600
      result = sprintf("%2s hours ago", second / 3600)
    elsif second >= 60
      result = sprintf("%2s min  ago", second / 60)
    else
      result = sprintf("%2s sec  ago", second)
    end
  else #e.g., not exist cache file
    result = "need_update"
  end
  return result
end