fixed py code indentation (#80966)

* fixed py code indentation

* pretty
This commit is contained in:
tonypowa 2024-01-22 12:55:28 +01:00 committed by GitHub
parent 0c9265f59b
commit a7e9408433
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194

View File

@ -201,23 +201,22 @@ This optional step uses a python script to generate the sample logs used in this
```
#!/bin/env python3
```
import datetime
import math
import random
import sys
import time
# Simulation parameters
requests_per_second = 2
failure_rate = 0.05
get_post_ratio = 0.9
get_average_duration_ms = 500
post_average_duration_ms = 2000
while True:
# Exponential distribution random value of average 1/lines_per_second.
d = random.expovariate(requests_per_second)
time.sleep(d)
@ -234,6 +233,7 @@ This optional step uses a python script to generate the sample logs used in this
timestamp = datetime.datetime.now(tz=datetime.timezone.utc).isoformat()
print(f"{timestamp} level=info method={method} url=/ status={status} duration={duration_ms}ms")
sys.stdout.flush()
```
1. Give the script executable permissions.
@ -241,8 +241,10 @@ This optional step uses a python script to generate the sample logs used in this
In a terminal window on linux-based systems run the command:
```
chmod 755 ./web-server-logs-simulator.py
```
````
1. Run the script.
@ -290,23 +292,29 @@ that generates the sample logs used in this tutorial to create alerts.
**Bash**
```
````
wget https://raw.githubusercontent.com/grafana/loki/v2.8.0/production/docker-compose.yaml -O docker-compose.yaml
```
**Windows Powershell**
```
$client = new-object System.Net.WebClient
$client.DownloadFile("https://raw.githubusercontent.com/grafana/loki/v2.8.0/production/docker-compose.yaml",
"C:\Users\$Env:UserName\Desktop\docker-compose.yaml")
#downloads the file to the Desktop
```
1. Run the container
```
docker compose up -d
```
1. Create and edit a python file that will generate logs.
@ -314,18 +322,23 @@ that generates the sample logs used in this tutorial to create alerts.
**Bash**
```
touch web-server-logs-simulator.py && nano web-server-logs-simulator.py
```
**Windows Powershell**
```
New-Item web-server-logs-simulator.py ; notepad web-server-logs-simulator.py
```
1. Paste the following code into the file
```
#!/bin/env python3
import datetime
@ -334,17 +347,16 @@ that generates the sample logs used in this tutorial to create alerts.
import sys
import time
requests_per_second = 2
failure_rate = 0.05
get_post_ratio = 0.9
get_average_duration_ms = 500
post_average_duration_ms = 2000
while True:
# Exponential distribution random value of average 1/lines_per_second.
d = random.expovariate(requests_per_second)
time.sleep(d)
if random.random() < failure_rate:
@ -360,6 +372,7 @@ that generates the sample logs used in this tutorial to create alerts.
timestamp = datetime.datetime.now(tz=datetime.timezone.utc).isoformat()
print(f"{timestamp} level=info method={method} url=/ status={status} duration={duration_ms}ms")
sys.stdout.flush()
```
1. Execute the log-generating python script.
@ -367,7 +380,9 @@ that generates the sample logs used in this tutorial to create alerts.
In a terminal window on linux-based systems run the command:
```
chmod 755 ./web-server-logs-simulator.py
```
- Use `tee` to direct the script output to the console and the specified file path. For example, if promtail is
@ -376,9 +391,11 @@ that generates the sample logs used in this tutorial to create alerts.
- To avoid running the script with elevated permissions, create the log file manually and change the permissions for the output file only.
```
sudo touch /var/log/web_requests.log
chmod 755 /var/log/web_requests.log
python3 ./web-server-logs-simulator.py | tee -a /var/log/web_requests.log
```
**Running on Windows**
@ -386,7 +403,9 @@ that generates the sample logs used in this tutorial to create alerts.
Run Powershell as administrator
```
python ./web-server-logs-simulator.py | Tee-Object "C:\ProgramFiles\GrafanaLabs\grafana\var\log\web_requests.log"
```
1. Verify that the logs are showing up in Grafanas Explore view:
@ -406,3 +425,4 @@ If you don't see the logs in Explore, check these things:
- If the file is empty, check that you followed the steps above to create the file and change the permissions.
- If the file exists, verify that promtail is running and check that it is configured correctly.
- In Grafana Explore, check that the time range is only for the last 5 minutes.
```