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fluent-plugin-grafana-loki
Advanced tools
Fluentd is a data collector for unified logging layer, it can be configured with the Loki output plugin, provided in this folder, to ship logs to Loki.
See docs/client/fluentd/README.md for detailed information.
After checking out the repo, run bin/setup
to install dependencies. Then, run bin/test
to run the tests. You can also run bin/console
for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run ruby -S bundle exec rake install
. To release a new version, update the version number in fluent-plugin-grafana-loki.gemspec
, and then run ruby -S bundle exec rake release
, which will create a git tag for the version, push git commits and tags, and push the .gem
file to rubygems.org.
To create the gem: ruby -S gem build fluent-plugin-grafana-loki.gemspec
Useful additions:
ruby -S gem install rubocop
Start Loki using:
docker run -it -p 3100:3100 grafana/loki:latest
Verify that Loki accept and stores logs:
curl -H "Content-Type: application/json" -XPOST -s "http://localhost:3100/loki/api/v1/push" --data-raw "{\"streams\": [{\"stream\": {\"job\": \"test\"}, \"values\": [[\"$(date +%s)000000000\", \"fizzbuzz\"]]}]}"
curl "http://localhost:3100/loki/api/v1/query_range" --data-urlencode 'query={job="test"}' --data-urlencode 'step=300' | jq .data.result
The expected output is:
[
{
"stream": {
"job": "test"
},
"values": [
[
"1588337198000000000",
"fizzbuzz"
]
]
}
]
Start and send test logs with Fluentd using:
LOKI_URL=http://{{ IP }}:3100 make fluentd-test
Verify that syslogs are being feeded into Loki:
curl "http://localhost:3100/loki/api/v1/query_range" --data-urlencode 'query={job="fluentd"}' --data-urlencode 'step=300' | jq .data.result
The expected output is:
[
{
"stream": {
"job": "fluentd"
},
"values": [
[
"1588336950379591919",
"log=\"May 1 14:42:30 ibuprofen avahi-daemon[859]: New relevant interface vethb503225.IPv6 for mDNS.\""
],
...
]
}
]
To build and publish a gem to
rubygems you first need
to update the version in the fluent-plugin-grafana-loki.gemspec
file.
Then update the VERSION
variable in the Makefile
to match the new version number.
Create a PR with the changes against the main
branch und run make fluentd-plugin-push
from the root of the project once the PR has been merged.
FAQs
Unknown package
We found that fluent-plugin-grafana-loki demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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