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Add support for sticky sessions

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This commit is contained in:
Manuel de Brito Fontes 2016-04-28 01:03:59 -03:00
parent a86a682429
commit 8bf7007c40
3 changed files with 13 additions and 5 deletions
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2
controllers/nginx/controller.go
View file

@ -694,6 +694,8 @@ func (lbc *loadBalancerController) getUpstreamServers(data []interface{}) ([]*ng
return aUpstreams, aServers return aUpstreams, aServers
} }
// createUpstreams creates the NGINX upstreams for each service referenced in
// Ingress rules. The servers inside the upstream are endpoints.
func (lbc *loadBalancerController) createUpstreams(data []interface{}) map[string]*nginx.Upstream { func (lbc *loadBalancerController) createUpstreams(data []interface{}) map[string]*nginx.Upstream {
upstreams := make(map[string]*nginx.Upstream) upstreams := make(map[string]*nginx.Upstream)

11
controllers/nginx/nginx.tmpl
View file

@ -141,9 +141,13 @@ http {
{{range $name, $upstream := .upstreams}} {{range $name, $upstream := .upstreams}}
upstream {{$upstream.Name}} { upstream {{$upstream.Name}} {
{{ if $cfg.enableStickySessions }}
sticky hash=sha1 httponly;
{{ else }}
least_conn; least_conn;
{{range $server := $upstream.Backends}}server {{$server.Address}}:{{$server.Port}}; {{ end }}
{{end}} {{ range $server := $upstream.Backends }}server {{ $server.Address }}:{{ $server.Port }};
{{ end }}
} }
{{end}} {{end}}
@ -153,9 +157,6 @@ http {
{{ if $server.SSL }}listen 443{{ if $cfg.useProxyProtocol }} proxy_protocol{{ end }} ssl http2; {{ if $server.SSL }}listen 443{{ if $cfg.useProxyProtocol }} proxy_protocol{{ end }} ssl http2;
ssl_certificate {{ $server.SSLCertificate }}; ssl_certificate {{ $server.SSLCertificate }};
ssl_certificate_key {{ $server.SSLCertificateKey }};{{ end }} ssl_certificate_key {{ $server.SSLCertificateKey }};{{ end }}
{{ if $cfg.enableVtsStatus }}
vhost_traffic_status_filter_by_set_key {{ $server.Name }} application::*;
{{ end }}
server_name {{ $server.Name }}; server_name {{ $server.Name }};

5
controllers/nginx/nginx/main.go
View file

@ -89,6 +89,11 @@ type nginxConfiguration struct {
// Sets the maximum allowed size of the client request body // Sets the maximum allowed size of the client request body
BodySize string `structs:"body-size,omitempty"` BodySize string `structs:"body-size,omitempty"`
// EnableStickySessions enabled sticky sessions using cookies
// https://bitbucket.org/nginx-goodies/nginx-sticky-module-ng
// By default this is disabled
EnableStickySessions bool `structs:"enable-sticky-sessions,omitempty"`
// EnableVtsStatus allows the replacement of the default status page with a third party module named // EnableVtsStatus allows the replacement of the default status page with a third party module named
// nginx-module-vts - https://github.com/vozlt/nginx-module-vts // nginx-module-vts - https://github.com/vozlt/nginx-module-vts
// By default this is disabled // By default this is disabled