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# File 'lib/server_statistics.rb', line 2
def self.get
cpu_rvm_count = `ps -ef | grep rben |wc -l`
cpu_count = `ps -ef | wc -l`
uptime = `uptime`
captures = (`uptime`.match /up (?:(?:(\d+) day?.,)?\s*(\d+):(\d+)|(\d+) min)/)
if captures.nil?
captures = (`uptime`.match /up (?:(?:(\d+) day?.,)?\s*(\d+) min)/)
if captures.nil?
captures = (`uptime`.match /up (?:(?:(\d+) day?.,)?\s*(\d+):(\d+) min)/)
if captures.nil?
captures = (`uptime`.match /up (?:(?:(\d+) day?.,)?\s*(\d+):(\d+))/)
captures = captures.captures.insert(3, nil)
else
captures = captures.captures.insert(3, nil)
end
else
captures = captures.captures.insert(1, nil).insert(3, nil)
end
else
captures = captures.captures
end
elapsed_seconds = captures.zip([86440, 3600, 60, 60]).inject(0) do |total, (x,y)|
total + (x.nil? ? 0 : x.to_i * y)
end
up = Time.now - elapsed_seconds
memory_usage = `free -m | awk '/Mem:/ {total=$2} /Mem:/ {used=$3} END {print used/total*100}'`
swap_to_ram_usage = `free -m | awk '/Mem:/ { total=$2 } /Swap:/ { used=$3 } END { print used/total*100}'`
cpu_usage = uptime.split.last(3).join(' ')
free_hdd = (100 - `df -h | awk '/dev/ {print $5}'`.split("\n")[0].to_i).to_s + '%'
hash = {
cpu_count: cpu_count.chomp,
uptime: up,
cpu_rvm_count: cpu_rvm_count.chomp,
cpu_usage: cpu_usage,
memory_usage: memory_usage.to_f.round(2).to_s,
swap_to_ram_usage: swap_to_ram_usage.to_f.round(2).to_s,
checked: Time.now,
free_disk: free_hdd
}
return hash
end
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