Sha256: e91a04cbf84e5b3ab38f9aa3eeb26a6e643a8c6cb5643bf2c023d0da55961e2d
Contents?: true
Size: 1.24 KB
Versions: 17
Compression:
Stored size: 1.24 KB
Contents
module WatchmonkeyCli
module Checkers
class UnixMemory < Checker
self.checker_name = "unix_memory"
def enqueue host, opts = {}
opts = { min_percent: 25 }.merge(opts)
host = app.fetch_connection(:loopback, :local) if !host || host == :local
host = app.fetch_connection(:ssh, host) if host.is_a?(Symbol)
app.enqueue(self, host, opts)
end
def check! result, host, opts = {}
result.command = "cat /proc/meminfo"
result.result = host.exec(result.command)
result.data = _parse_response(result.result)
if !result.data
result.error! result.result
else
result.error! "memory is low (limit is min. #{opts[:min_percent]}%, got #{result.data["free"]}%)" if opts[:min_percent] && result.data["free"] < opts[:min_percent]
end
end
def _parse_response res
return false if res.downcase["no such file"]
{}.tap do |r|
res.strip.split("\n").each do |line|
chunks = line.split(":").map(&:strip)
r[chunks[0]] = chunks[1].to_i
end
r["free"] = ((r["MemFree"].to_i + r["Buffers"].to_i + r["Cached"].to_i) / r["MemTotal"].to_f * 100).round(2)
end
end
end
end
end
Version data entries
17 entries across 17 versions & 1 rubygems