I am using Filebeat to send log files over to my Logstash with the following configurations:
filebeat.inputs:
- type: log
enabled: true
paths:
- ${PWD}/filebeat-volume/data/*.txt
output.logstash:
enabled: true
hosts: ["elk:5044"]
index: "custom-index"
setup.kibana:
host: "localhost:5601"
and
input {
beats {
port => "5044"
}
}
output {
elasticsearch {
hosts => [ "localhost:9200" ]
index => "<WHAT SHOULD GO HERE???>"
}
}
In filebeat.yml, I am specifying an index ("custom index"). How can I set the same index in my logstash.yml to be sent to Elasticsearch?
I see what you want now, you should set Logstash with below output configuration, this way it will pass the index set in filebeat to Elasticsearch.
output {
elasticsearch {
hosts => [ "localhost:9200" ]
index => "%{[#metadata][beat]}"
}
}
Point 2 in this example
Related
filebeat version 7.17.3
i have 3 different logs for example
{"level":"debug","message":"Start proxy checking","module":"proxy","timestamp":"2022-05-18 23:22:15 +0200"}
{"level":"info","message":"Attempt to get proxy","module":"proxy","timestamp":"2022-05-18 23:22:17 +0200"}
{"campaign":"18","level":"warn","message":"Missed or empty list","module":"loader","session":"pYpifim","timestamp":"2022-05-18 23:27:46 +0200"}
how is it possible to not provide/filter out the log to logstash or elasticsearch if level is equal "info"
how is it possible to not provide/filter out the log to logstash or elasticsearch if key campaign does not exist?
in FileBeat i have following
processors:
- add_host_metadata:
when.not.contains.tags: forwarded
- add_cloud_metadata: ~
- add_docker_metadata: ~
- add_kubernetes_metadata: ~
- decode_json_fields:
fields: ["message"]
process_array: false
max_depth: 1
target: ""
overwrite_keys: true
add_error_key: true
- drop_fields:
fields: ["agent", "host", "log", "ecs", "input", "location"]
but with drop_fields i can remove some field and i need to not save completely log if key or value are exist!
in Logstash to delete those events is no problem - see below, but how to do this in filebeats?
/etc/logstash/conf.d/40-filebeat-to-logstash.conf
input {
beats {
port => 5044
include_codec_tag => false
}
}
filter {
if "Start proxy checking" in [message] {
drop { }
}
if "Attempt to get proxy" in [message] {
drop { }
}
}
output {
elasticsearch {
hosts => ["http://xxx.xxx.xxx.xxx:9200"]
# index => "myindex"
index => "%{[#metadata][beat]}-%{[#metadata][version]}-%{+yyyy.MM.dd}"
}
}
Thank you in Advance
in filebeat there is drop events processor,
processors:
- drop_event:
when:
condition
https://www.elastic.co/guide/en/beats/filebeat/7.17/drop-event.html
I have an installed pair elasticsearch - logstash - kibana, 2 clients: ELKclient1 and ELKclient2. Filebeat is installed on clients. I need that both clients write logs in separate index, ELKclient1 in index test-%{+YYYY.MM.dd, ELKclient2 in index test2-%{+YYYY.MM.dd (sending nginx access logs). For some reason logs from clients are written in both indexes, eg, from client ELKclient2 logs are written in both indexes test-%{+YYYY.MM.dd and test2-%{+YYYY.MM.dd (attachment 1 and attachement 2). Do you have any clue why its happening?
#config filebeat on client2
filebeat.inputs:
- type: log
enabled: true
paths:
- /var/log/nginx/access.log
fields:
type: nginx_access
fields_under_root: true
scan_frequency: 5s
registry_file: /var/lib/filebeat/registry
output:
logstash:
hosts: ["ip-address_logstash:5044"]
index: "test2-%{+YYYY.MM.dd}"
bulk_max_size: 1024
shipper:
logging:
to_syslog: false
to_files: true
level: info
files:
path: /var/log/filebeat
name: filebeat.log
#config logstash output
output {
elasticsearch {
hosts => "localhost:9200"
index => "test-%{+YYYY.MM.dd}"
}
#stdout { codec => rubydebug }
elasticsearch {
hosts => "localhost:9200"
index => "test2-%{+YYYY.MM.dd}"
}
#stdout { codec => rubydebug }
}
In order to make both clients write logs in a separate index, Take the workflow idea in the below picture, You need to add a tag to differentiate the logs coming from different servers.
Considering your requirement in your question one of the ways is to put the following code in the output section of your logstash config file.
output {
if [beat][hostname] == "ELKclient1"
elasticsearch {
hosts => "localhost:9200"
index => "test-%{+YYYY.MM.dd}"
}
else if [beat][hostname] == "ELKclient2"
elasticsearch {
hosts => "localhost:9200"
index => "test2-%{+YYYY.MM.dd}"
}
else
stdout {
codec => rubydebug
}
}
How to direct postfix logs to index postfix ?
In logstash config
input {
beats {
port => 5044
}
}
filter {
grok {
}
}
output {
if "postfix" in [tags]{
elasticsearch {
hosts => "localhost:9200"
index => "postfix-%{+YYYY.MM.dd}"
}
}
}
In filebeat.yml
filebeat.inputs:
- type: log
enabled: true
paths:
- /var/log/maillog*
exclude_files: [".gz$"]
tags: ["postfix"]
output.logstash:
hosts: ["10.50.11.8:5044"]
In the log logstash a lot
[WARN ][logstash.outputs.elasticsearch] Could not index event to Elasticsearch. {:status=>400, :action=>["index", {:_id=>nil, :_index=>"newrelicdata", :_type=>"_doc", :routing=>nil}, #<LogStash::Event:0x4ceb504a>], :response=>{"index"=>{"_index"=>"newrelicdata", "_type"=>"_doc", "_id"=>"V7x2z20Bp3jq-MOqpNbt", "status"=>400, "error"=>{"type"=>"mapper_parsing_exception", "reason"=>"failed to parse field [host] of type [text] in document with id 'V7x2z20Bp3jq-MOqpNbt'. Preview of field's value: '{name=mail.domain.com}'", "caused_by"=>{"type"=>"illegal_state_exception", "reason"=>"Can't get text on a START_OBJECT at 1:521"}}}}}
Why date from mail.domain.com try to get not in index postfix ? And the data is trying to get into all the indexes ? Any help
I think the logs contain field name "host", so it's throwing an error as "failed to parse field [host] of type [text]"
mutate {
rename => ["host", "server"]
convert => {"server" => "string"}
}
As I tried sending the logs with the below filebeat.yml configurations,
filebeat.inputs:
- type: log
enabled: true
paths:
- /home/varsha/ELK7.4/logs/*.log
tags: ["postfix"]
output.logstash:
hosts: ["localhost:5044"]
By the above configurations and the files you have shared with me are working fine and got the expected result, please check it in https://pastebin.com/f6e0E52S
I want to let Logstash'gork filter use the match rules which Filebeat give
Here is my Filebeat config:
filebeat.inputs:
- type: log
enabled: true
paths:
- /root/Log-test/test.log
fields:
"#metadata":
formatter: "%{TIMESTAMP_ISO8601:timestamp} - %{NOTSPACE:module} - %{LOGLEVEL:level} - %{NOTSPACE:filename} - %{GREEDYDATA:log_message}"
fields_under_root: true
output.logstash:
hosts: ["localhost:5045"]
Here is my Logstash config:
input {
beats {
port => "5045"
}
}
filter {
grok {
match => { "message" => "%{[#metadata][formatter]}" }
}
}
output {
file {
path => "/tmp/log-test.log"
codec => rubydebug { metadata => true }
}
}
So, i want the grok know my match rules content (the message field) is "%{TIMESTAMP_ISO8601:timestamp} - %{NOTSPACE:module} - %{LOGLEVEL:level} - %{NOTSPACE:filename} - %{GREEDYDATA:log_message}"
But the setting above do not work, I want to know how can i implement the funciton like this? or is it possible to make it?
Thanks!
From this posting, "Grok expressions with dynamic %{field} references aren't supported". The original author of that post opened a github issue, which is now here (and unresolved after a year).
I have created a simple json like below
[
{
"Name": "vishnu",
"ID": 1
},
{
"Name": "vishnu",
"ID": 1
}
]
I am holding this values in file named simple.txt . Then i used file beat to listen the file and send the new updates to port 5043,on other side i started the log-stash service which listen to this port in order to parse and pass the json to elastic search.
log-stash is not processing the json values,it hangs in the middle.
logstash
input {
beats {
port => 5043
host => "0.0.0.0"
client_inactivity_timeout => 3600
}
}
filter {
json {
source => "message"
}
}
output {
stdout { codec => rubydebug }
}
filebeat config:
filebeat.prospectors:
- input_type: log
paths:
- filepath
output.logstash:
hosts: ["localhost:5043"]
Logstash output
**
Sending Logstash's logs to D:/elasticdb/logstash-5.6.3/logstash-5.6.3/logs which is now configured via log4j2.properties
[2017-10-31T19:01:17,574][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"fb_apache", :directory=>"D:/elasticdb/logstash-5.6.3/logstash-5.6.3/modules/fb_apache/configuration"}
[2017-10-31T19:01:17,578][INFO ][logstash.modules.scaffold] Initializing module {:module_name=>"netflow", :directory=>"D:/elasticdb/logstash-5.6.3/logstash-5.6.3/modules/netflow/configuration"}
[2017-10-31T19:01:18,301][INFO ][logstash.pipeline ] Starting pipeline {"id"=>"main", "pipeline.workers"=>2, "pipeline.batch.size"=>125, "pipeline.batch.delay"=>5, "pipeline.max_inflight"=>250}
[2017-10-31T19:01:18,388][INFO ][logstash.inputs.beats ] Beats inputs: Starting input listener {:address=>"0.0.0.0:5043"}
[2017-10-31T19:01:18,573][INFO ][logstash.pipeline ] Pipeline main started
[2017-10-31T19:01:18,591][INFO ][org.logstash.beats.Server] Starting server on port: 5043
[2017-10-31T19:01:18,697][INFO ][logstash.agent ] Successfully started Logstash API endpoint {:port=>9600}
**
Every time when i am running log-stash using command
logstash -f logstash.conf
And since there is no processing of json i am stopping that service by pressing ctrl + c .
Please help me in finding the solution.Thanks in advance.
finally i got ended up with config like this.It works for me.
input
{
file
{
codec => multiline
{
pattern => '^\{'
negate => true
what => previous
}
path => "D:\elasticdb\logstash-tutorial.log\Test.txt"
start_position => "beginning"
sincedb_path => "D:\elasticdb\logstash-tutorial.log\null"
exclude => "*.gz"
}
}
filter {
json {
source => "message"
remove_field => ["path","#timestamp","#version","host","message"]
}
}
output {
elasticsearch { hosts => ["localhost"]
index => "logs"
"document_type" => "json_from_logstash_attempt3"
}
stdout{}
}
Json format:
{"name":"sachin","ID":"1","TS":1351146569}
{"name":"sachin","ID":"1","TS":1351146569}
{"name":"sachin","ID":"1","TS":1351146569}