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alb-log-parser

v0.0.8

Published

A basic parser for ALB access logs, forked from elb log parser [email protected]:toshihirock/node-elb-log-parser.git

Downloads

2,442

Readme

alb-log-parser

npm Donate to this project using Patreon alb-log-parser Dev Token

A basic parser for ALB access logs, forked from elb log parser [email protected]:toshihirock/node-elb-log-parser.git i cannot find alb log parser instead of elb-log-parser. so i modify a bit of the code. Thank you toshihirock!

When I use this npm

Install

npm install -g alb-log-parser

Supported fields

See https://docs.aws.amazon.com/elasticloadbalancing/latest/application/load-balancer-access-logs.html#access-log-entry-format for definitions

  • type
  • timestamp
  • elb
  • client
  • client_port
  • target
  • target_port
  • request_processing_time
  • target_processing_time
  • response_processing_time
  • elb_status_code
  • target_status_code
  • received_bytes
  • sent_bytes
  • request_method
  • request_uri
  • request_http_version
  • request_uri_scheme
  • request_uri_host
  • request_uri_port
  • request_uri_path
  • request_uri_query
  • request
  • user_agent
  • ssl_cipher
  • ssl_protocol
  • target_group_arn
  • trace_id
  • domain_name
  • chosen_cert_arn
  • matched_rule_priority
  • request_creation_time
  • actions_executed
  • redirect_url
  • error_reason
  • target:port_list
  • target_status_code_list
  • classification
  • classification_reason

Example API usage

node-alb-log-parser$node
> var parse = require('./index');
undefined
> parse('http 2020-08-27T16:35:00.166351Z app/my-loadbalancer/50dc6c495c0c9188 192.168.131.39:2817 192.168.201.251:80 0.000 0.440 0.000 200 200 1107 11912 "GET http://example.com:80/path?foo=bar&baz=bak HTTP/1.1" "Fake/1.0.0 (Linux)" - - arn:aws:elasticloadbalancing:us-east-1:123456789012:targetgroup/my-tg/ffffffffffffffff "Self=1-00000000-111111111111111111111111;Root=1-00000000-222222222222222222222222" "-" "-" 0 2020-08-27T16:34:59.725000Z "forward" "-" "-" "192.168.201.251:80" "200" "-" "-"')
{
  type: 'http',
  timestamp: '2020-08-27T16:35:00.166351Z',
  elb: 'app/my-loadbalancer/50dc6c495c0c9188',
  client: '192.168.131.39',
  client_port: 2817,
  target: '192.168.201.251',
  target_port: 80,
  request_processing_time: 0,
  target_processing_time: 0.44,
  response_processing_time: 0,
  elb_status_code: 200,
  target_status_code: 200,
  received_bytes: 1107,
  sent_bytes: 11912,
  request_method: 'GET',
  request_uri: 'http://example.com:80/path?foo=bar&baz=bak',
  request_http_version: 'HTTP/1.1',
  request_uri_scheme: 'http:',
  request_uri_host: 'example.com',
  request_uri_port: 80,
  request_uri_path: '/path',
  request_uri_query: 'foo=bar&baz=bak',
  request: 'GET http://example.com:80/path?foo=bar&baz=bak HTTP/1.1',
  user_agent: 'Fake/1.0.0 (Linux)',
  ssl_cipher: '-',
  ssl_protocol: '-',
  target_group_arn: 'arn:aws:elasticloadbalancing:us-east-1:123456789012:targetgroup/my-tg/ffffffffffffffff',
  trace_id: 'Self=1-00000000-111111111111111111111111;Root=1-00000000-222222222222222222222222',
  domain_name: '-',
  chosen_cert_arn: '-',
  matched_rule_priority: 0,
  request_creation_time: '2020-08-27T16:34:59.725000Z',
  actions_executed: 'forward',
  redirect_url: '-',
  error_reason: '-',
  'target:port_list': '192.168.201.251:80',
  target_status_code_list: 200,
  classification: '-',
  classification_reason: '-'
}
>

You get the idea.

Tests


\$npm test

License

WTFPL