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Barry Evans
cd68f3e4cf
When building the image I am seeing problems trying to install the speedtest package. This is fixed by using the current installation command from the speedtest website: - https://www.speedtest.net/apps/cli - ``` RUN curl -s https://packagecloud.io/install/repositories/ookla/speedtest-cli/script.deb.sh | bash RUN apt-get install -y speedtest ``` --- Build error log: ```shell docker build -t robinmanuelthiel/speedtest:latest . [+] Building 18.5s (9/10) docker:desktop-linux => [internal] load build definition from Dockerfile 0.0s => => transferring dockerfile: 335B 0.0s => [internal] load metadata for docker.io/library/debian:bullseye 1.5s => [auth] library/debian:pull token for registry-1.docker.io 0.0s => [internal] load .dockerignore 0.0s => => transferring context: 2B 0.0s => CACHED [1/5] FROM docker.io/library/debian:bullseye@sha256:2c7a92a41cb814c00e7d455b2bc0c90ccdb9a4ced2ffdc10e562c7a84a186032 0.0s => [internal] load build context 0.0s => => transferring context: 34B 0.0s => [2/5] RUN apt-get update && apt-get install -y curl jq gnupg1 apt-transport-https dirmngr 11.1s => [3/5] RUN curl -s https://install.speedtest.net/app/cli/install.deb.sh | bash 5.3s => ERROR [4/5] RUN apt-get install speedtest 0.5s ------ > [4/5] RUN apt-get install speedtest: 0.094 Reading package lists... 0.390 Building dependency tree... 0.458 Reading state information... 0.501 E: Unable to locate package speedtest ------ Dockerfile:8 -------------------- 6 | # Install speedtest cli 7 | RUN curl -s https://install.speedtest.net/app/cli/install.deb.sh | bash 8 | >>> RUN apt-get install speedtest 9 | 10 | COPY ./speedtest.sh . -------------------- ERROR: failed to solve: process "/bin/sh -c apt-get install speedtest" did not complete successfully: exit code: 100 View build details: docker-desktop://dashboard/build/desktop-linux/desktop-linux/tur2dm7wqi33zu9shh9s5zepd ```
Internet Speed Test in a Container
Check your internet bandwidth using the Speedtest CLI from a Docker container. You can configure the tool to run periodically and save the results to an InfluxDB for visualization or long-term records.
docker run --rm robinmanuelthiel/speedtest:latest
The result will then look like this:
Running a Speed Test...
Your download speed is 334 Mbps (29284399 Bytes/s).
Your upload speed is 42 Mbps (4012944 Bytes/s).
Your ping is 6.223 ms.
Configuration
| Environment variable | Default value | Description |
|---|---|---|
LOOP |
false |
Run Speedtest in a loop |
LOOP_DELAY |
60 |
Delay in seconds between the runs |
DB_SAVE |
false |
Save values to InfluxDB |
DB_HOST |
http://localhost:8086 |
InfluxDB Hostname |
DB_NAME |
speedtest |
InfluxDB Database name |
DB_USERNAME |
admin |
InfluxDB Username |
DB_PASSWORD |
password |
InfluxDB Password |
Grafana and InfluxDB
For a full visualization and long term tracking, I recommend InfluxDB as a time-series database and Grafana as a dashboard engine. Both come in Docker containers, so the whole setup can be achieved by starting a Docker Compose file.
version: "3"
services:
grafana:
image: grafana/grafana:7.5.2
restart: always
ports:
- 3000:3000
volumes:
- grafana:/var/lib/grafana
depends_on:
- influxdb
influxdb:
image: influxdb:1.8.3
restart: always
volumes:
- influxdb:/var/lib/influxdb
ports:
- 8083:8083
- 8086:8086
environment:
- INFLUXDB_ADMIN_USER="admin"
- INFLUXDB_ADMIN_PASSWORD="password"
- INFLUXDB_DB="speedtest"
speedtest:
image: robinmanuelthiel/speedtest:latest
restart: always
environment:
- LOOP=true
- LOOP_DELAY=1800
- DB_SAVE=true
- DB_HOST=http://influxdb:8086
- DB_NAME=speedtest
- DB_USERNAME=admin
- DB_PASSWORD=password
privileged: true # Needed for 'sleep' in the loop
depends_on:
- influxdb
volumes:
grafana:
influxdb:
To configure Grafana, we need to add InfluxDB as a data source and create a dashboard with the upload and download values. You can find a demo dashboard configuration in the /demo folder.
Hint: The speedtest outputs values as bytes per second. Make sure to divide all values by 125000 in your dashboard to get the Mbps values.