doc: add doc about the HC per port (#69)

Signed-off-by: Patrik Cyvoct <patrik@ptrk.io>

Author: Sh4d1

docs/loadbalancer-annotations.md

@@ -43,7 +43,8 @@ NB: muste be set if `service.beta.kubernetes.io/scw-loadbalancer-sticky-sessions
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-type`
 This is the type of health check used.
-The default value is `tcp` and the possible values are `tcp`, `http`, `mysql`, `pgsql`, `redis` or `ldap`.
+The default value is `tcp` and the possible values are `tcp`, `http`, `https`, `mysql`, `pgsql`, `redis` or `ldap`.
+It is possible to set the type per port, like `80:http;443,8443:https`.
 NB: depending on the type, some other annotations are required, see below.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-delay`
@@ -60,22 +61,27 @@ The default value is `10`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-http-uri`
 This is the annotation to set the URI that is used by the `http` health check.
-NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http`.
+It is possible to set the uri per port, like `80:/;443,8443:/healthz`.
+NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http` or `https`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-http-method`
 This is the annotation to set the HTTP method used by the `http` health check.
-NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http`.
+It is possible to set the method per port, like `80:GET;443,8443:POST`.
+NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http` or `https`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-http-code`
 This is the annotation to set the HTTP code that the `http` health check will be matching against.
-NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http`.
+It is possible to set the code per port, like `80:404;443,8443:204`.
+NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `http` or `https`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-mysql-user`
 This is the annotation to set the MySQL user used to check the MySQL connection when using the `mysql` health check,
+It is possible to set the user per port, like `1234:root;3306,3307:mysql`.
 NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `mysql`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-health-check-pgsql-user`
 This is the annotation to set the PgSQL user used to check the PgSQL connection when using the `pgsql` health check.
+It is possible to set the user per port, like `1234:root;3306,3307:mysql`.
 NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to `pgsql`.
 
 ### `service.beta.kubernetes.io/scw-loadbalancer-proxy-protocol-v1`

scaleway/loadbalancers.go

@@ -50,6 +50,7 @@ const (
 
 	// serviceAnnotationLoadBalancerHealthCheckType is the type of health check used
 	// The default value is "tcp" and the possible values are "tcp", "http", "https", "mysql", "pgsql", "redis" or "ldap"
+	// It is possible to set the type per port, like "80:http;443,8443:https"
 	// NB: depending on the type, some other annotations are required, see below
 	serviceAnnotationLoadBalancerHealthCheckType = "service.beta.kubernetes.io/scw-loadbalancer-health-check-type"
 
@@ -66,22 +67,27 @@ const (
 	serviceAnnotationLoadBalancerHealthCheckMaxRetries = "service.beta.kubernetes.io/scw-loadbalancer-health-check-max-retries"
 
 	// serviceAnnotationLoadBalancerHealthCheckHTTPURI is the URI that is used by the "http" health check
+	// It is possible to set the uri per port, like "80:/;443,8443:/healthz"
 	// NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to "http" or "https"
 	serviceAnnotationLoadBalancerHealthCheckHTTPURI = "service.beta.kubernetes.io/scw-loadbalancer-health-check-http-uri"
 
 	// serviceAnnotationLoadBalancerHealthCheckHTTPMethod is the HTTP method used by the "http" health check
+	// It is possible to set the method per port, like "80:GET;443,8443:POST"
 	// NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to "http" or "https"
 	serviceAnnotationLoadBalancerHealthCheckHTTPMethod = "service.beta.kubernetes.io/scw-loadbalancer-health-check-http-method"
 
 	// serviceAnnotationLoadBalancerHealthCheckHTTPCode is the HTTP code that the "http" health check will be matching against
+	// It is possible to set the code per port, like "80:404;443,8443:204"
 	// NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to "http" or "https"
 	serviceAnnotationLoadBalancerHealthCheckHTTPCode = "service.beta.kubernetes.io/scw-loadbalancer-health-check-http-code"
 
 	// serviceAnnotationLoadBalancerHealthCheckMysqlUser is the MySQL user used to check the MySQL connection when using the "mysql" health check
+	// It is possible to set the user per port, like "1234:root;3306,3307:mysql"
 	// NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to "mysql"
 	serviceAnnotationLoadBalancerHealthCheckMysqlUser = "service.beta.kubernetes.io/scw-loadbalancer-health-check-mysql-user"
 
 	// serviceAnnotationLoadBalancerHealthCheckPgsqlUser is the PgSQL user used to check the PgSQL connection when using the "pgsql" health check
+	// It is possible to set the user per port, like "1234:root;3306,3307:mysql"
 	// NB: Required when setting service.beta.kubernetes.io/scw-loadbalancer-health-check-type to "pgsql"
 	serviceAnnotationLoadBalancerHealthCheckPgsqlUser = "service.beta.kubernetes.io/scw-loadbalancer-health-check-pgsql-user"