s4z /
plumd
| @@ 70-142 (lines=73) @@ | ||
| 67 | return plumd.ResultSet(self.check()) |
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| 68 | ||
| 69 | ||
| 70 | def check(self): |
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| 71 | """Return network protocol metrics from proc file net/snmp. |
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| 72 | ||
| 73 | Add entries to the configuration value 'skip_proc_net_snmp' to skip |
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| 74 | metrics. |
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| 75 | ||
| 76 | Add entries to the configuration value 'net_snmp_items' to match the |
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| 77 | format/order of the proc file net/snmp entries on the system. |
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| 78 | ||
| 79 | :rtype: plumd.Result |
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| 80 | """ |
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| 81 | result = plumd.Result("netsnmp") |
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| 82 | ||
| 83 | # read the proc file |
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| 84 | dat = None |
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| 85 | with open(self.proc_file, 'r') as f: |
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| 86 | dat = f.read().strip().split("\n") |
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| 87 | ||
| 88 | # timestamp for Differential calculations |
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| 89 | ts = time.time() |
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| 90 | ||
| 91 | # should always have a header row and value row, ie. divisible by 2 |
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| 92 | if len(dat) % 2 != 0: |
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| 93 | self.log.error("netsnmp: cannot parse {0}".format(self.proc_file)) |
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| 94 | return result |
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| 95 | ||
| 96 | # split values into lists |
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| 97 | dlist = deque() |
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| 98 | for entry in dat: |
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| 99 | dlist.append(entry.split()) |
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| 100 | ||
| 101 | # put lists into key: value dict |
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| 102 | metrics = {} |
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| 103 | while dlist: |
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| 104 | headers = dlist.popleft() |
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| 105 | values = dlist.popleft() |
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| 106 | # { 'IpExt': {'InNoRoutes': 0, ...} } - [:-1] on IpExt: removes : |
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| 107 | metrics[headers[0][:-1]] = dict(zip(headers, values)) |
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| 108 | ||
| 109 | # record gauges |
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| 110 | for proto, mnames in self.gauges.items(): |
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| 111 | if proto not in metrics: |
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| 112 | self.log.warn("netsnmp: unknown protocol: {0}".format(proto)) |
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| 113 | del(self.gauges[proto]) |
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| 114 | continue |
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| 115 | values = metrics[proto] |
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| 116 | for mname in mnames: |
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| 117 | if mname in values: |
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| 118 | mstr = "{0}.{1}".format(proto, mname) |
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| 119 | result.add(plumd.Int(mstr, values[mname])) |
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| 120 | else: |
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| 121 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 122 | del(self.gauges[proto][mname]) |
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| 123 | continue |
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| 124 | ||
| 125 | # record rates |
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| 126 | for proto, mnames in self.rates.items(): |
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| 127 | if proto not in metrics: |
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| 128 | self.log.warn("netsnmp: unknown protocol: {0}".format(proto)) |
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| 129 | del(self.gauges[proto]) |
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| 130 | continue |
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| 131 | values = metrics[proto] |
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| 132 | for mname in mnames: |
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| 133 | if mname in values: |
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| 134 | mstr = "{0}.{1}".format(proto, mname) |
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| 135 | mval = self.calc.per_second(mstr, int(values[mname]), ts) |
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| 136 | result.add(plumd.Int(mstr, mval)) |
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| 137 | else: |
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| 138 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 139 | del(self.gauges[proto][mname]) |
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| 140 | continue |
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| 141 | ||
| 142 | return [result] |
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| 143 | ||
| @@ 68-135 (lines=68) @@ | ||
| 65 | return plumd.ResultSet(self.check()) |
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| 66 | ||
| 67 | ||
| 68 | def check(self): |
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| 69 | """Return detailed network statitistics proc file net/netstat. |
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| 70 | ||
| 71 | Note: ECT1Pkts and ECT0Pkts relate to ECT congestion notifications. |
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| 72 | ||
| 73 | :rtype: plumd.Result |
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| 74 | """ |
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| 75 | # what metrics do we want to record? |
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| 76 | result = plumd.Result("netstat") |
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| 77 | ||
| 78 | # read the proc file |
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| 79 | dat = None |
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| 80 | with open(self.proc_file, 'r') as f: |
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| 81 | dat = f.read().strip().split("\n") |
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| 82 | ||
| 83 | # timestamp for Differential calculations |
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| 84 | ts = time.time() |
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| 85 | ||
| 86 | # should always have a header row and value row, ie. divisible by 2 |
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| 87 | if len(dat) % 2 != 0: |
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| 88 | self.log.error("netstat: cannot parse {0}".format(self.proc_file)) |
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| 89 | return result |
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| 90 | ||
| 91 | # split values into lists |
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| 92 | dlist = deque() |
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| 93 | for entry in dat: |
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| 94 | dlist.append(entry.split()) |
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| 95 | ||
| 96 | # put lists into key: value dict |
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| 97 | metrics = {} |
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| 98 | while dlist: |
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| 99 | headers = dlist.popleft() |
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| 100 | values = dlist.popleft() |
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| 101 | # { 'IpExt': {'InNoRoutes': 0, ...} } - [:-1] on IpExt: removes : |
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| 102 | metrics[headers[0][:-1]] = dict(zip(headers, values)) |
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| 103 | ||
| 104 | # record gauges |
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| 105 | for ext, mnames in self.gauges.items(): |
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| 106 | if ext not in metrics: |
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| 107 | self.log.warn("netstat: unknown extension: {0}".format(ext)) |
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| 108 | del(self.gauges[ext]) |
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| 109 | continue |
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| 110 | values = metrics[ext] |
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| 111 | for mname in mnames: |
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| 112 | if mname in values: |
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| 113 | mstr = "{0}.{1}".format(ext, mname) |
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| 114 | result.add(plumd.Int(mstr, values[mname])) |
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| 115 | else: |
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| 116 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 117 | del(self.gauges[ext][mname]) |
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| 118 | ||
| 119 | # record rates |
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| 120 | for ext, mnames in self.rates.items(): |
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| 121 | if ext not in metrics: |
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| 122 | self.log.warn("netstat: unknown extension: {0}".format(ext)) |
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| 123 | del(self.rates[ext]) |
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| 124 | continue |
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| 125 | values = metrics[ext] |
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| 126 | for mname in mnames: |
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| 127 | if mname in values: |
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| 128 | mstr = "{0}.{1}".format(ext, mname) |
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| 129 | mval = self.calc.per_second(mstr, int(values[mname]), ts) |
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| 130 | result.add(plumd.Float(mstr, mval)) |
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| 131 | else: |
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| 132 | self.log.warn("netstat: unknown metric {0}".format(mname)) |
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| 133 | del(self.rates[ext][mname]) |
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| 134 | ||
| 135 | return [result] |
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| 136 | ||
