monica sarbu - unifying logs and metrics data with elastic ... · pdf fileunifying logs and...
TRANSCRIPT
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‹#›
Unifying logs and metrics data with Elastic BeatsMonica Sarbu Team lead, Elastic Beats
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Who am I
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https://www.flickr.com/photos/ofernandezberrios/7176474422
• Team lead at Elastic Beats
• Software engineer
• Joined Elastic 1 year ago
@monicasarbu
http://github.com/monicasarbu
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Beats are lightweight shippers that collect and
ship all kinds of operational data to Elasticsearch
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Beats are lightweight shippers that collect and
ship all kinds of operational data to Elasticsearch
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![Page 5: Monica Sarbu - Unifying logs and metrics data with Elastic ... · PDF fileUnifying logs and metrics data with Elastic Beats Monica Sarbu Team lead, Elastic Beats. ... • Use Logstash](https://reader033.vdocuments.mx/reader033/viewer/2022051203/5a9f94127f8b9a89178cec85/html5/thumbnails/5.jpg)
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Lightweight shippers
• Lightweight application
• Written in Golang
• Install as agent on your servers
• No runtime dependencies
• Single purpose
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Beats are lightweight shippers that collect and
ship all kinds of operational data to Elasticsearch
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All kinds of operational data
• Filebeat • collects logs
• Winlogbeat • collects Windows event logs
• Packetbeat • collects insides from the
network packets
not released
• Topbeat • collects system statistics like
CPU usage, disk usage, memory usage per process, etc
• Metricbeat • collects metrics by
interrogating periodically external services
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Beats are lightweight shippers that collect and
ship all kinds of operational data to Elasticsearch
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![Page 9: Monica Sarbu - Unifying logs and metrics data with Elastic ... · PDF fileUnifying logs and metrics data with Elastic Beats Monica Sarbu Team lead, Elastic Beats. ... • Use Logstash](https://reader033.vdocuments.mx/reader033/viewer/2022051203/5a9f94127f8b9a89178cec85/html5/thumbnails/9.jpg)
‹#›
In Elasticsearch .. you are storing the raw value … You have the
ability to ask and answer questions that you didn’t think about when
the data was stored!
Felix Barnsteiner
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The Elastic Stack
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‹#›
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Captures insights from network packets
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Packetbeat
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Sniffing the network traffic
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• Copy traffic at OS or hardware level
• ZERO latency overhead
• Not in the request/response path, cannot break your application
Client
Server
sniff sniff
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Sniffing use cases
• Security
• Intrusion Detection Systems
• Troubleshooting network issues
• Troubleshooting applications
• Performance analysis
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Monitor the network traffic with OSS tools
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1 2 3 4ssh to each of your
serverstart a trace using tcpdump on each
of your server
download trace from each server to a common location
merge all traces
5analyze it with
Wireshark
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The Problem
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1 2 3 you have lots of
serverschallenging to see
the traffic exchanged
between your servers
Packetbeat makes it easy
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Packetbeat overviewIt does all of this in real time directly on the target servers
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1 2 3 4capture network
trafficdecodes network
trafficcorrelates request & response into
transactions
extract measurements
5send data to Elasticsearch
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Packetbeat: Available decoders
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HTTP
MySQL
PostgreSQL MongoDB (community)
Memcache
ICMP (community) + Add your own
Thrift-RPC DNS (community)
Redis
AMQP (community)
NFS (community)
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Packetbeat: Configuration
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# Network interfaces where to sniff the datainterfaces: device: any
# Specify the type of your network dataprotocols: dns: ports: [53] http: ports: [80, 8080, 8081, 5000, 8002] mysql: ports: [3306] …
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‹#› 31
Packetbeat flows• Look into data for which we don’t
understand the application layer protocol
• TLS
• Protocols we don’t yet support
• Get data about IP / TCP / UDP layers
• number of packets
• retransmissions
• inter-arrival time
flows: # network flow timeout timeout: 30s
# reporting period period: 10s
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Collects log lines
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Filebeat
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Filebeat overview
• Simple log forwarder that sends the log lines to Elasticsearch
• Successor of Logstash Forwarder
• It remembers how far it read, so it never loses log line
• Reads the log files line by line
• It doesn’t parse the log lines!
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Filebeat: Parse logs with Logstash
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• Filebeat sends out unparsed log lines
• Use filters like Grok, mutate, geoip to parse the log lines
• Combine the filters with conditionals or create custom filters in ruby
• Forward data to other systems using the Logstash output plugins
Filebeat
Elasticsearch
Logstash
Other systems
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Filebeat: Parse logs with Ingest Node
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• Ingest node plugin is available starting with Elasticsearch 5.0.0-alpha1
• Filebeat sends out unparsed log lines directly to Elasticsearch
• Use Ingest Node processors to parse the log lines
• Easier to setup
Filebeat
Elasticsearch
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Filebeat: ConfigurationConfigure prospectors to forward the log lines
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filebeat: # List of prospectors to fetch data. prospectors:
# Type of files: log or stdin - input_type: log
# Files that should be crawled and fetched. paths: - “/var/log/apache2/*”
# File encoding: plain, utf-8, big5, gb18030, … encoding: plain
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‹#›
Multiline
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multiline: # Sticks together all lines # that don’t start with a [ pattern: ^\[ negate: true match: after
Filebeat extra power
• Sticks together related log lines in a single event
• For all those long exceptions
• Can also be done by Logstash, but it’s sometimes easier to configure the patterns closer to the source
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‹#›
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‹#›
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json: keys_under_root: false message_key: “message” overwrite_keys: false add_error_key: false
Filebeat extra power JSON logs
• application logs in JSON format
• you don’t have to choose what data to include in the log line
• don’t need to use grok filters from Logstash to parse the application logs
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‹#›
Basic filtering
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# Only send lines starting with# ERR or WARNinclude_lines: [“^ERR”, “^WARN”]
# Exclude lines containing # a keywordexclude_lines: [“Request received”]
# Exclude files all togetherexclude_files: [“.gz$”]
Filebeat extra power
• Because removing stuff at the source is more efficient
• Flexible Whitelist + Blacklist regexp log line filtering
• Efficient log files filtering (excluded files are never opened)
• Works on multiline too
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Collects Windows Event logs
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Winlogbeat
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Winlogbeat overview
• Sends out unparsed Windows event logs
• Remembers how far it read, so it never loses any Windows event logs
• Use Ingest Node or Logstash to parse the Windows event logs
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Winlogbeat: ConfigurationSpecify the event logs that you want to monitor
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winlogbeat: #list of event logs to monitor event_logs: - name: Application - name: Security - name: System
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Collects system statistics
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Topbeat
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Topbeat overview
• Like the Unix top command but instead of printing the system statistics on the screen it sends them periodically to Elasticsearch
• Works also on Windows
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Topbeat: Exported data
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• system load • total CPU usage • CPU usage per core • Swap, memory usage
System wide
• state • name • command line • pid • CPU usage • memory usage
Per process
• available disks • used, free space • mounted points
Disk usage
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Topbeat configurationSpecify the system statistics that you want to monitor
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topbeat: # how often to send system statistics period: 10
# specify the processes to monitor procs: [".*"]
# Statistics to collect (all enabled by default) stats: system: true process: true filesystem: true
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‹#›
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Collects periodically metrics from external systems.
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Metricbeat in progress
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Metricbeat: how it works
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1 2 3Periodically polls monitoring APIs
of various services
Groups performance
data into documents
Ships them to Elasticsearch
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Metricbeat: A module for each metric type
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Metricbeat
apache module
mysql module
redis module
system module +
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Metricbeat: It is also a library!
• Use the Metricbeat infrastructure, to create a standalone Beat
• You can create a Beat with a single module that exports your custom data
• Can use the built in Metricbeat modules
Metricbeat
df module
github.com/ruflin/df2beat
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Metricbeat module vs standalone Beat
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• Contributed via PR to the elastic/beats Github repository
• Officially supported
• Supports common systems
• Docker based integration tests
Metricbeat module
• In a separate Github repository
• Supported by the community
• Supports specialized systems
• Optional Docker based integration tests
Standalone Beat
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Provide a platform to make it easier to build custom Beats
on top of it
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Beats platform
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Beat 1
libbeat
Beat 2 Beat 3 +
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libbeat
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• Written in Go
• Provide common functionality for reading configuration files, for handling CLI arguments, for logging
• Makes sure reliably send the data out
• Provide things like encryption, authentication with certificates
• Has support for different outputs: Elasticsearch, Logstash, Redis, Kafka
libbeat
Outputs
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Community Beats
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Community Beats
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libbeat
Community Beats
Elastic Beats
Collect, Parse & Ship
• Standalone projects
• Written in Go
• Use libbeat
• Concentrate only on collecting the data
• Solve a specific use case
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Official vs Community Beats
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• In the elastic/beats Github repository
• Officially supported
• Synced releases with the whole stack
Official Beats
• In another Github repository
• Supported by the community
• Releases at any time
Community Beats
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1 Apachebeat
2 Dockerbeat
3 Elasticbeat
4 Execbeat
5 Factbeat
6 Hsbeat
20COMMUNITY
BEATS Sending all sorts of
data to Elasticsearch
7 Httpbeat
8 Nagioscheckbeat
9 Nginxbeat
10 Phpfpmbeat
11 Pingbeat
13 Unifiedbeat
12 Redisbeat
14 Uwsgibeat
15 Flowbeat
16 Lmsensorsbeat
17 Twitterbeat
18 Upbeat
19 Wmibeat
20 Packagebeat
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input: # Loop every 5 seconds period: 5 # Use raw sockets for ping # Requires root! privileged: true # Whether to perform IPv4/v6 pings useipv4: true useipv6: false
# List targets under the tag # you want assigned to targets: # tag: google google: - google.com.au - google.com
You know, for pings• Sends ICMP (v4 or v6) pings
periodically to a list of hosts
• Can send also UDP pings (no root required)
• Resolves DNS
• Records RTT
Pingbeat
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Pingbeat output
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{ "@timestamp": "2016-02-08T11:02:22.675Z", "beat": { "hostname": "Tudors-MBP", "name": "Tudors-MBP" }, "count": 1, "rtt": 25.336089, "tag": "google", "target_addr": "216.58.213.227", "target_name": "google.com.au", "type": "pingbeat"}
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Execbeat
execbeat: execs: # Each - Commands to execute. - # Cron expression # Default is every 1 minute. cron: "@every 10s"
# The command to execute command: echo args: "Hello World" document_type: jolokia
fields: host: test2
• Accepts cron expressions
• Sends stdout and stderr to Elastic search
• Use Logstash and Grok to further parse the output
Run any command
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Execbeat output
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{ "@timestamp": "2016-02-08T11:59:36.007Z", "beat": { "hostname": "Tudors-MBP", "name": "Tudors-MBP" }, "exec": { "command": "echo", "stdout": "Hello World\n" }, "fields": { "host": "test2" }, "type": "jolokia"}
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Dockerbeat
Docker Monitoring• Uses the Docker API
• Exports per container stats about:
• CPU
• Memory
• Disk
• Network
• IO access
• Log
input: # In seconds, defines how often to # read server statistics period: 5
# Define the docker socket path # By default, this will get the # unix:///var/run/docker.sock socket:
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Dockerbeat output
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{ "@timestamp": "2016-02-08T12:44:56.136Z", "containerID": "17021c571d69fe4e93ee395b129c0f073d8aed6d618c9d0d805f68e0b66b2c3f", "containerName": "kibana", "memory": { "failcnt": 0, "limit": 1044586496, "maxUsage": 68485120, "usage": 9732096, "usage_p": 0.009316697121077851 }, "type": "memory"}
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Nagioscheckbeat
Run Nagios checks• Can execute any Nagios plugin
• Execution period configurable per check
• Sends alerts (Warning/Critical) to Elasticsearch
• Sends performance data to Elasticsearch
input: checks: - name: "disks" cmd: "plugins/check_disk" args: "-w 80 -c 90 -x /dev" period: "1h" - name: "load" cmd: "plugins/check_load" args: "-w 5 -c 10" period: "1m"
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Nagioscheckbeat output
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{ "@timestamp": "2015-12-30T18:56:33.933Z", "args": "-w 5 -c 10", "cmd": "/usr/lib64/nagios/plugins/check_load", "count": 1, "message": "OK - load average: 0.16, 0.05, 0.06", "status": "OK", "took_ms": 14, "type": "nagioscheck"}
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Provide a platform to make it easier to build custom Beats
on top of it
86
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Beat generatorGenerate the boilerplate code for you
87
$ pip install cookiecutter
$ cookiecutter https://github.com/elastic/beat-generator.git
project_name [Examplebeat]: Mybeatgithub_name [your-github-name]: monicasarbubeat [examplebeat]: mybeatbeat_path [github.com/your-github-name]: github.com/monicasarbufull_name [Firstname Lastname]: Monica Sarbu
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Beats Packer
• Cross-compiles to all our supported platforms
• Produces RPMs, DEBs,
• Same tools that we use to build the official Elastic Beats
• Can be executed from Travis CI
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Multiple data types, one view in Kibana
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• metrics
• flows
• logs
• system stats
• transactions
• transactions
• metrics
• metrics
• logs • logs
• system stats
• flows• flows
• metrics
• logs
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Monitor MySQL with Elastic Stack
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Metricbeat
mysql …
Filebeat
log …
Packetbeat
mysql …
Elasticsearch
Kibanastats queries
slow queries
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Monitor web server with Elastic Stack
91
Metricbeat
mysql apache
Filebeat
log …
Packetbeat
mysql http
Elasticsearch
Kibanamysql & apache stats queries & HTTP transactions
slow queries apache logs
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‹#›
Thank you
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Want to hear more about Logstash?
Don’t miss Ingest Logs with Style by Pere Urbon-Bayes
Thursday 12:00pm - 1:00pm in MOA 05
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‹#›
Q&A
Find us on:
• github.com/elastic/beats • discuss.elastic.co • @elastic #elasticbeats • #beats on freenode
Or Here. In Real Life!
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Please attribute Elastic with a link to elastic.co
Except where otherwise noted, this work is licensed under http://creativecommons.org/licenses/by-nd/4.0/
Creative Commons and the double C in a circle are registered trademarks of Creative Commons in the United States and other countries.
Third party marks and brands are the property of their respective holders.
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