mirror of
https://github.com/DoTheEvo/selfhosted-apps-docker
synced 2024-11-06 21:20:41 +00:00
update
This commit is contained in:
DoTheEvo
parent
b88f95ce1f
commit
25754ad263
@ -29,8 +29,11 @@ Lot of the prometheus stuff here is based off the magnificent
|
||||
* **[Core prometheus+grafana](#Overview)** - nice dashboards with metrics of docker host and containers
|
||||
* **[Pushgateway](#Pushgateway)** - push data to prometheus from anywhere
|
||||
* **[Alertmanager](#Alertmanager)** - setting alerts and getting notifications
|
||||
* **[Loki](#Loki)** - all of the above but for log files
|
||||
* **[Caddy monitoring](#Caddy_monitoring)** - monitoring a reverse proxy
|
||||
* **[Loki](#Loki)** - prometheus for logs
|
||||
* **[Minecraft Loki example](#Minecraft_Loki_example)** - logs and grafana alerts
|
||||
and templates
|
||||
* **[Caddy reverse proxy monitoring](#Caddy_reverse_proxy_monitoring)** -
|
||||
metrics and logs and geoip
|
||||
|
||||
|
||||
|
||||
@ -628,9 +631,9 @@ A **minecraft server** and a **caddy revers proxy**, both docker containers.
|
||||
restart: unless-stopped
|
||||
volumes:
|
||||
- ./loki_data:/loki
|
||||
- ./loki-docker-config.yml:/etc/loki-docker-config.yml
|
||||
- ./loki-config.yml:/etc/loki-config.yml
|
||||
command:
|
||||
- '-config.file=/etc/loki-docker-config.yml'
|
||||
- '-config.file=/etc/loki-config.yml'
|
||||
ports:
|
||||
- "3100:3100"
|
||||
labels:
|
||||
@ -643,14 +646,19 @@ A **minecraft server** and a **caddy revers proxy**, both docker containers.
|
||||
```
|
||||
</details>
|
||||
|
||||
* **New file** - `loki-docker-config.yml` bind mounted in the loki container.<br>
|
||||
The file comes from
|
||||
* **New file** - `loki-config.yml` bind mounted in the loki container.<br>
|
||||
The config comes from
|
||||
[the official example](https://github.com/grafana/loki/tree/main/cmd/loki),
|
||||
but url is changed, and **compactor** section is added, to have control over
|
||||
[data retention.](https://grafana.com/docs/loki/latest/operations/storage/retention/)
|
||||
with some changes.
|
||||
* **URL** changed for this setup.
|
||||
* **Compactor** section is added, to have control over
|
||||
[data retention.](https://grafana.com/docs/loki/latest/operations/storage/retention/)
|
||||
* **Fixing** error - *"too many outstanding requests"*, source
|
||||
[here.](https://github.com/grafana/loki/issues/5123)
|
||||
It turn's off parallelism, both split by time interval and shards split.
|
||||
|
||||
<details>
|
||||
<summary>loki-docker-config.yml</summary>
|
||||
<summary>loki-config.yml</summary>
|
||||
|
||||
```yml
|
||||
auth_enabled: false
|
||||
@ -669,6 +677,13 @@ A **minecraft server** and a **caddy revers proxy**, both docker containers.
|
||||
kvstore:
|
||||
store: inmemory
|
||||
|
||||
# --- disable splitting to fix "too many outstanding requests"
|
||||
|
||||
query_range:
|
||||
parallelise_shardable_queries: false
|
||||
|
||||
# --- compactor to have control over length of data retention
|
||||
|
||||
compactor:
|
||||
working_directory: /loki/compactor
|
||||
compaction_interval: 10m
|
||||
@ -678,6 +693,9 @@ A **minecraft server** and a **caddy revers proxy**, both docker containers.
|
||||
|
||||
limits_config:
|
||||
retention_period: 240h
|
||||
split_queries_by_interval: 0 # part of disable splitting fix
|
||||
|
||||
# -------------------------------------------------------
|
||||
|
||||
schema_config:
|
||||
configs:
|
||||
@ -1202,12 +1220,12 @@ to what **service**,.. well for that monitoring of **access logs** is needed.
|
||||
|
||||
## Logs - Loki
|
||||
|
||||
**Loki** itself just **stores** the logs, to get them to Loki a **Promtail** container is used
|
||||
**Loki** itself just **stores** the logs. To get them to Loki a **Promtail** container is used
|
||||
that has **access** to caddy's **logs**. Its job is to **scrape** them regularly, maybe
|
||||
**process** them in some way, and then **push** them to Loki.<br>
|
||||
Once there, a basic grafana **dashboard** can be made.
|
||||
|
||||
|
||||
|
||||
|
||||
### The setup
|
||||
|
||||
@ -1355,6 +1373,101 @@ Once there, a basic grafana **dashboard** can be made.
|
||||
* at this points logs should be visible and **explorable in grafana**<br>
|
||||
Explore > `{job="caddy_access_log"} |= "" | json`
|
||||
|
||||
## Geoip
|
||||
|
||||
Promtail got recently a geoip stage. One can feed an IP address and an mmdb geoIP
|
||||
datbase and it adds geoip labels to the log entry.
|
||||
|
||||
[The official documentation.](https://github.com/grafana/loki/blob/main/docs/sources/clients/promtail/stages/geoip.md)
|
||||
|
||||
* Register account on [maxmind.com](https://www.maxmind.com/en/geolite2/signup).
|
||||
* Download mmdb format database, either
|
||||
* `GeoLite2 City` - 70MB full geoip info - city, postal code, time zone, latitude/longitude,..
|
||||
* `GeoLite2 Country` 6MB, just country and continent
|
||||
* Bind mount whichever database in to promtail container.
|
||||
|
||||
<details>
|
||||
<summary>docker-compose.yml</summary>
|
||||
|
||||
```yml
|
||||
services:
|
||||
|
||||
caddy:
|
||||
image: caddy
|
||||
container_name: caddy
|
||||
hostname: caddy
|
||||
restart: unless-stopped
|
||||
env_file: .env
|
||||
ports:
|
||||
- "80:80"
|
||||
- "443:443"
|
||||
- "443:443/udp"
|
||||
- "2019:2019"
|
||||
volumes:
|
||||
- ./Caddyfile:/etc/caddy/Caddyfile
|
||||
- ./caddy_data:/data
|
||||
- ./caddy_config:/config
|
||||
- ./caddy_logs:/var/log/caddy
|
||||
|
||||
# LOG AGENT PUSHING LOGS TO LOKI
|
||||
promtail:
|
||||
image: grafana/promtail
|
||||
container_name: caddy-promtail
|
||||
hostname: caddy-promtail
|
||||
restart: unless-stopped
|
||||
volumes:
|
||||
- ./promtail-config.yml:/etc/promtail-config.yml
|
||||
- ./caddy_logs:/var/log/caddy:ro
|
||||
- ./GeoLite2-City.mmdb:/etc/GeoLite2-City.mmdb:ro
|
||||
command:
|
||||
- '-config.file=/etc/promtail-config.yml'
|
||||
|
||||
networks:
|
||||
default:
|
||||
name: $DOCKER_MY_NETWORK
|
||||
external: true
|
||||
```
|
||||
|
||||
* In promtail config add json stage where IP address is loaded in to a variable,
|
||||
which then is used in geoip stage.
|
||||
If all is done correctly, the geoip labels are automaticly added to the log entry.
|
||||
|
||||
<details>
|
||||
<summary>geoip promtail-config.yml</summary>
|
||||
|
||||
```yml
|
||||
clients:
|
||||
- url: http://loki:3100/loki/api/v1/push
|
||||
|
||||
scrape_configs:
|
||||
- job_name: caddy_access_log
|
||||
|
||||
static_configs:
|
||||
- targets:
|
||||
- localhost
|
||||
labels:
|
||||
job: caddy_access_log
|
||||
host: example.com
|
||||
agent: caddy-promtail
|
||||
__path__: /var/log/caddy/*.log
|
||||
|
||||
pipeline_stages:
|
||||
- json:
|
||||
expressions:
|
||||
remote_ip: request.remote_ip
|
||||
|
||||
- geoip:
|
||||
db: "/etc/GeoLite2-City.mmdb"
|
||||
source: remote_ip
|
||||
db_type: "city"
|
||||
```
|
||||
</details>
|
||||
|
||||
Can be tested with opera build in VPN, or some online
|
||||
[site tester](https://pagespeed.web.dev/).
|
||||
|
||||
|
||||
|
||||
## dashboard
|
||||
|
||||
* **new pane**, will be **time series** graph showing **logs volume** in time
|
||||
@ -1403,10 +1516,6 @@ useful resources
|
||||
* [Unified Alerting Grafana 8 | Prometheus | Notifications | Alert Templating](https://www.youtube.com/watch?v=UtmmhLraSnE)<br>
|
||||
Even if its for v8, it's decently useful
|
||||
|
||||
## Geoip
|
||||
|
||||
[to-do](https://github.com/grafana/loki/blob/main/docs/sources/clients/promtail/stages/geoip.md)
|
||||
|
||||
# Update
|
||||
|
||||
Manual image update:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user