badblocks/docker-easy-haproxy
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Reduce the label name

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Joao Gilberto 2021-08-11 10:54:17 -05:00
parent 7057965da4
commit 13c4ebfd2d
5 changed files with 54 additions and 48 deletions
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74
README.md
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@ -46,7 +46,11 @@ The environment variable `DISCOVER` will define where is located your containers
- swarm - swarm
- static - static
## DISCOVER: docker ## Automatic Discover Services
Easy HAProxy can discover automatically the container services running in the same network of Docker or in a Docker Swarm cluster.
### DISCOVER: docker
This method will use a regular docker installation to discover the containers and configure the HAProxy. This method will use a regular docker installation to discover the containers and configure the HAProxy.
@ -64,7 +68,7 @@ docker run --network easyhaproxy byjg/easyhaproxy
docker run --network easyhaproxy myimage docker run --network easyhaproxy myimage
``` ```
## DISCOVER: swarm ### DISCOVER: swarm
This method requires a functional Docker Swarm Cluster. The system will search for the labels in all containers on all This method requires a functional Docker Swarm Cluster. The system will search for the labels in all containers on all
swarm nodes. swarm nodes.
@ -75,25 +79,27 @@ Important: easyhaproxy needs to be in the same network of the containers or othe
### Tags to be attached in the Docker Container (Swarm or Docker) ### Tags to be attached in the Docker Container (Swarm or Docker)
| Tag | Description | Example | | Tag | Description | Example |
|---------------------------------------------|---------------------------------------------------------------------------------------------------------|--------------| |------------------------------------|---------------------------------------------------------------------------------------------------------|--------------|
| com.byjg.easyhaproxy.definitions | A Comma delimited list with the definitions. Each name requires the definition of the parameters below. | http,https | | easyhaproxy.definitions | A Comma delimited list with the definitions. Each name requires the definition of the parameters below. | service,service2 |
| com.byjg.easyhaproxy.mode.[definition] | (Optional) Is this http or tcp mode in HAProxy. (Defaults to http) | http | | easyhaproxy.mode.[definition] | (Optional) Is this `http` or `tcp` mode in HAProxy. (Defaults to http) | http |
| com.byjg.easyhaproxy.port.[definition] | (Optional) What is the port that the HAProxy will listen to. (Defaults to 80) | 80 | | easyhaproxy.port.[definition] | (Optional) What is the port that the HAProxy will listen to. (Defaults to 80) | 80 |
| com.byjg.easyhaproxy.localport.[definition] | (Optional) What is the port that the container is listening. (Defaults to 80) | 8080 | | easyhaproxy.localport.[definition] | (Optional) What is the port that the container is listening. (Defaults to 80) | 8080 |
| com.byjg.easyhaproxy.host.[definition] | What is the host that the HAProxy will listen to. | somehost.com | | easyhaproxy.host.[definition] | What is the host that the HAProxy will listen to. | somehost.com |
| com.byjg.easyhaproxy.redirect.[definition] | (Optional) Host redirects from connections in the port defined above. | foo.com--https://bla.com,bar.com--https://bar.org | | easyhaproxy.redirect.[definition] | (Optional) Host redirects from connections in the port defined above. | foo.com--https://bla.com,bar.com--https://bar.org |
| com.byjg.easyhaproxy.sslcert.[definition] | (Optional) Cert PEM Base64 encoded. | | | easyhaproxy.sslcert.[definition] | (Optional) Cert PEM Base64 encoded. | |
| com.byjg.easyhaproxy.health-check.[definition] | (Optional) `ssl`, enable health check via SSL in `mode tcp` (Defaults to "empty") | | | easyhaproxy.health-check.[definition] | (Optional) `ssl`, enable health check via SSL in `mode tcp` (Defaults to "empty") | |
Note: if you are deploying a stack set labels at the `deploy` level: ### Defining the labels in Docker Swarm
if you are deploying a stack in a Docker Swarm cluster set labels at the `deploy` level:
```yaml ```yaml
services: services:
foo: foo:
deploy: deploy:
labels: labels:
com.byjg.easyhaproxy.definitions: "http,https" easyhaproxy.definitions: "service1,service2"
... ...
``` ```
@ -102,9 +108,9 @@ services:
```bash ```bash
docker run \ docker run \
-l com.byjg.easyhaproxy.definitions=http \ -l easyhaproxy.definitions=webapi \
-l com.byjg.easyhaproxy.port.http=80\ -l easyhaproxy.port.webapi=80\
-l com.byjg.easyhaproxy.host.http=byjg.com.br \ -l easyhaproxy.host.webapi=byjg.com.br \
.... ....
``` ```
@ -112,15 +118,15 @@ docker run \
```bash ```bash
docker run \ docker run \
-l com.byjg.easyhaproxy.definitions=express,admin \ -l easyhaproxy.definitions=express,admin \
-l com.byjg.easyhaproxy.port.express=80 \ -l easyhaproxy.port.express=80 \
-l com.byjg.easyhaproxy.localport.express=3000 \ -l easyhaproxy.localport.express=3000 \
-l com.byjg.easyhaproxy.host.express=express.byjg.com.br \ -l easyhaproxy.host.express=express.byjg.com.br \
-l com.byjg.easyhaproxy.port.admin=80 \ -l easyhaproxy.port.admin=80 \
-l com.byjg.easyhaproxy.localport.admin=3001 \ -l easyhaproxy.localport.admin=3001 \
-l com.byjg.easyhaproxy.host.admin=admin.byjg.com.br \ -l easyhaproxy.host.admin=admin.byjg.com.br \
.... \ .... \
some/myimage some/myimage
``` ```
@ -131,10 +137,10 @@ Used to pass on SSL-termination to a backend:
```bash ```bash
docker run \ docker run \
-l com.byjg.easyhaproxy.defintions=tcp-service \ -l easyhaproxy.defintions=example \
-l com.byjg.easyhaproxy.mode.tcp-service=tcp \ -l easyhaproxy.mode.example=tcp \
-l com.byjg.easyhaproxy.health-check.tcp-service=ssl \ -l easyhaproxy.health-check.example=ssl \
-l com.byjg.easyhaproxy.port.tcp-service=443 -l easyhaproxy.port.example=443
.... \ .... \
some/tcp-service some/tcp-service
``` ```
@ -145,7 +151,7 @@ docker run \
```bash ```bash
docker run \ docker run \
-l com.byjg.easyhaproxy.redirect.<defintion>=www.byjg.com.br--http://byjg.com.br,byjg.com--http://byjg.com.br -l easyhaproxy.redirect.<defintion>=www.byjg.com.br--http://byjg.com.br,byjg.com--http://byjg.com.br
``` ```
## DISCOVER: static ## DISCOVER: static
@ -186,7 +192,7 @@ Running:
docker run -v /my/config.yml:/etc/haproxy/easyconfig.yml .... byjg/easyhaproxy docker run -v /my/config.yml:/etc/haproxy/easyconfig.yml .... byjg/easyhaproxy
``` ```
# Mapping custom .cfg files ## Mapping custom .cfg files
Map a folder containing valid HAProxy `.cfg` files to `/etc/haproxy/conf.d`. It will be concatenated to your HAProxy CFG. Map a folder containing valid HAProxy `.cfg` files to `/etc/haproxy/conf.d`. It will be concatenated to your HAProxy CFG.
@ -198,7 +204,7 @@ docker run \
``` ```
# Handling SSL ## Handling SSL
You can attach a valid SSL certificate to the request. You can attach a valid SSL certificate to the request.
@ -226,14 +232,14 @@ MIIEojCCA4qgAwIBAgIUegW2BimwuL4RzRZ2WYkHA6U5nkAwDQYJKoZIhvcNAQEL
cat single.pem | base64 -w0 cat single.pem | base64 -w0
``` ```
3. Use this string to define the label `com.byjg.easyhaproxy.sslcert.[definition]` 3. Use this string to define the label `easyhaproxy.sslcert.[definition]`
# Setting Custom Errors ## Setting Custom Errors
If enabled, map the volume : `/etc/haproxy/errors-custom/` to your container and put a file named `ERROR_NUMBER.http` If enabled, map the volume : `/etc/haproxy/errors-custom/` to your container and put a file named `ERROR_NUMBER.http`
where ERROR_NUMBER is the http error code (e.g. 503.http) where ERROR_NUMBER is the http error code (e.g. 503.http)
# Build ## Build
``` ```
docker build -t byjg/easy-haproxy . docker build -t byjg/easy-haproxy .

2
easymapping/__init__.py
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@ -35,7 +35,7 @@ class DockerLabelHandler:
class HaproxyConfigGenerator: class HaproxyConfigGenerator:
def __init__(self, mapping, ssl_cert_folder="/etc/haproxy/certs"): def __init__(self, mapping, ssl_cert_folder="/etc/haproxy/certs"):
self.mapping = mapping self.mapping = mapping
self.label = DockerLabelHandler("com.byjg.easyhaproxy") self.label = DockerLabelHandler("easyhaproxy")
self.ssl_cert_folder = ssl_cert_folder self.ssl_cert_folder = ssl_cert_folder
self.ssl_cert_increment = 0 self.ssl_cert_increment = 0
os.makedirs(self.ssl_cert_folder, exist_ok=True) os.makedirs(self.ssl_cert_folder, exist_ok=True)

16
examples/docker/docker-compose.yml
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8
tests/fixtures/services vendored
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@ -1,6 +1,6 @@
portainer-agent_agent={"com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"portainer-agent"} portainer-agent_agent={"com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"portainer-agent"}
my-stack_agent={"com.byjg.easyhaproxy.definitions":"agent","com.byjg.easyhaproxy.host.agent":"agent.quantum.example.org","com.byjg.easyhaproxy.localport.agent":"9001","com.byjg.easyhaproxy.mode.agent":"tcp","com.byjg.easyhaproxy.port.agent":"31339","com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"} my-stack_agent={"easyhaproxy.definitions":"agent","easyhaproxy.host.agent":"agent.quantum.example.org","easyhaproxy.localport.agent":"9001","easyhaproxy.mode.agent":"tcp","easyhaproxy.port.agent":"31339","com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"}
my-stack_cadvisor={"com.byjg.easyhaproxy.definitions":"cadvisor","com.byjg.easyhaproxy.host.cadvisor":"cadvisor.quantum.example.org","com.byjg.easyhaproxy.localport.cadvisor":"8080","com.byjg.easyhaproxy.port.cadvisor":"31337","com.docker.stack.image":"gcr.io/google-containers/cadvisor:v0.34.0","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"} my-stack_cadvisor={"easyhaproxy.definitions":"cadvisor","easyhaproxy.host.cadvisor":"cadvisor.quantum.example.org","easyhaproxy.localport.cadvisor":"8080","easyhaproxy.port.cadvisor":"31337","com.docker.stack.image":"gcr.io/google-containers/cadvisor:v0.34.0","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"}
my-stack_node-exporter={"com.byjg.easyhaproxy.definitions":"exp","com.byjg.easyhaproxy.host.exp":"node-exporter.quantum.example.org","com.byjg.easyhaproxy.localport.exp":"9100","com.byjg.easyhaproxy.port.exp":"31337","com.docker.stack.image":"stefanprodan/swarmprom-node-exporter:v0.16.0","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"} my-stack_node-exporter={"easyhaproxy.definitions":"exp","easyhaproxy.host.exp":"node-exporter.quantum.example.org","easyhaproxy.localport.exp":"9100","easyhaproxy.port.exp":"31337","com.docker.stack.image":"stefanprodan/swarmprom-node-exporter:v0.16.0","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"}
my-stack_reverse-proxy={"com.docker.stack.image":"quay.io/pngmbh/easy-haproxy:tcp-mode","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"} my-stack_reverse-proxy={"com.docker.stack.image":"quay.io/pngmbh/easy-haproxy:tcp-mode","com.docker.stack.namespace":"my-stack","com.planetary-quantum":"monitoring"}
some-service={"com.byjg.easyhaproxy.definitions":"http,https","com.byjg.easyhaproxy.port.http":"80","com.byjg.easyhaproxy.host.http":"www.somehost.com.br","com.byjg.easyhaproxy.localport.http":"80","com.byjg.easyhaproxy.redirect.http":"somehost.com.br--https://www.somehost.com.br,somehost.com--https://www.somehost.com.br,www.somehost.com--https://www.somehost.com.br,byjg.ca--https://www.somehost.com.br,www.byjg.ca--https://www.somehost.com.br","com.byjg.easyhaproxy.port.https":"443","com.byjg.easyhaproxy.host.https":"www.somehost.com.br","com.byjg.easyhaproxy.localport.https":"80","com.byjg.easyhaproxy.redirect.https":"somehost.com.br--https://www.somehost.com.br,somehost.com--https://www.somehost.com.br,www.somehost.com--https://www.somehost.com.br,byjg.ca--https://www.somehost.com.br,www.byjg.ca--https://www.somehost.com.br","com.byjg.easyhaproxy.sslcert.https":"U29tZSBQRU0gQ2VydGlmaWNhdGU="} some-service={"easyhaproxy.definitions":"http,https","easyhaproxy.port.http":"80","easyhaproxy.host.http":"www.somehost.com.br","easyhaproxy.localport.http":"80","easyhaproxy.redirect.http":"somehost.com.br--https://www.somehost.com.br,somehost.com--https://www.somehost.com.br,www.somehost.com--https://www.somehost.com.br,byjg.ca--https://www.somehost.com.br,www.byjg.ca--https://www.somehost.com.br","easyhaproxy.port.https":"443","easyhaproxy.host.https":"www.somehost.com.br","easyhaproxy.localport.https":"80","easyhaproxy.redirect.https":"somehost.com.br--https://www.somehost.com.br,somehost.com--https://www.somehost.com.br,www.somehost.com--https://www.somehost.com.br,byjg.ca--https://www.somehost.com.br,www.byjg.ca--https://www.somehost.com.br","easyhaproxy.sslcert.https":"U29tZSBQRU0gQ2VydGlmaWNhdGU="}

2
tests/fixtures/services-tcp vendored
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@ -1,2 +1,2 @@
test_agent={"com.byjg.easyhaproxy.definitions":"agent","com.byjg.easyhaproxy.host.agent":"agent.quantum.local","com.byjg.easyhaproxy.localport.agent":"9001","com.byjg.easyhaproxy.mode.agent":"tcp","com.byjg.easyhaproxy.port.agent":"31339","com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"test", "com.byjg.easyhaproxy.health-check.agent":"ssl"} test_agent={"easyhaproxy.definitions":"agent","easyhaproxy.host.agent":"agent.quantum.local","easyhaproxy.localport.agent":"9001","easyhaproxy.mode.agent":"tcp","easyhaproxy.port.agent":"31339","com.docker.stack.image":"portainer/agent:1.5.1","com.docker.stack.namespace":"test", "easyhaproxy.health-check.agent":"ssl"}
test_proxy={"com.docker.stack.image":"byjg/easy-haproxy:local","com.docker.stack.namespace":"test"} test_proxy={"com.docker.stack.image":"byjg/easy-haproxy:local","com.docker.stack.namespace":"test"}