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You are now able to use labels on containers and services such as `--sablier.enable=true` and `--sablier.group=mygroup` to select groups.
91 lines
3.2 KiB
Markdown
91 lines
3.2 KiB
Markdown
# Nginx NJS Sablier Module
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Nginx NJS Sablier Module
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**Kubernetes is not supported yet**
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## Configuration
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1. Load the `ngx_http_js_module.so` in the main nginx config file `/etc/nginx/nginx.conf`
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```
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load_module modules/ngx_http_js_module.so;
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```
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2. Copy/volume the `sablier.js` file to `/etc/nginx/conf.d/sablier.js`
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3. Use this sample for your APIs
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```nginx
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js_import conf.d/sablier.js;
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resolver 127.0.0.11 valid=10s ipv6=off;
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server {
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listen 80;
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subrequest_output_buffer_size 32k;
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# The internal location to reach sablier API
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set $sablierUrl /sablier;
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# Shared variable for default session duration
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set $sablierSessionDuration 1m;
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# internal location for sablier middleware
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# here, the sablier API is a container named "sablier" inside the same network as nginx
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location /sablier/ {
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internal;
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proxy_method GET;
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proxy_pass http://sablier:10000/;
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}
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# A named location that can be used by the sablier middleware to redirect
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location @whoami {
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# Here is your container name, same in
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# set $sablierNames whoami;
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# Use variable in order to refresh DNS cache
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set $whoami_server whoami;
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proxy_pass http://$whoami_server:80;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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}
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# The actual location to match your API
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# Will answer by a waiting page or redirect to your app if
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# it is already up
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location /dynamic/whoami {
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set $sablierDynamicShowDetails true;
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set $sablierDynamicRefreshFrequency 5s;
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set $sablierNginxInternalRedirect @whoami;
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# Here is your container name
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set $sablierNames whoami;
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set $sablierDynamicName "Dynamic Whoami";
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set $sablierDynamicTheme hacker-terminal;
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js_content sablier.call;
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}
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}
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```
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### Available variables
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You can configure the middleware behavior with the following variables:
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**General Configuration**
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- `set $sablierUrl` The internal routing to reach Sablier API
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- `set $sablierNames` Comma separated names of containers/services/deployments etc.
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- `set $sablierGroup` Group name to use to filter by label, ignored if sablierNames is set
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- `set $sablierSessionDuration` The session duration after which containers/services/deployments instances are shutdown
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- `set $sablierNginxInternalRedirect` The internal location for the service to redirect e.g. @nginx
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**Dynamic Configuration**
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*if any of these variables is set, then all Blocking Configuration is ignored*
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- `set $sablierDynamicName`
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- `set $sablierDynamicShowDetails` Set to true or false to show details specifcally for this middleware, unset to use Sablier server defaults
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- `set $sablierDynamicTheme` The theme to use
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- `set $sablierDynamicRefreshFrequency` The loading page refresh frequency
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**Blocking Configuration**
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- `set $sablierBlockingTimeout` waits until services are up and running but will not wait more than `timeout`
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## Development
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Change the `njs/sablier.js` configuration and start the tests for the given provider `e2e/<provider>.sh` (docker, kubernetes, etc.) |