BUG/MINOR: validation: ease regex validations

Ease regex validation on backend_switching_rule to allow using
variables for backend name. Also remove regex check for cookie in
backend and defaults to allow adding extra cookie parameters.

Author: mjuraga

embedded_spec.go

@@ -12,9 +12,9 @@ require (
 	github.com/go-openapi/strfmt v0.19.0
 	github.com/go-openapi/swag v0.19.0
 	github.com/go-openapi/validate v0.19.0
-	github.com/haproxytech/client-native v1.2.4
-	github.com/haproxytech/config-parser v1.1.3
-	github.com/haproxytech/models v1.2.2
+	github.com/haproxytech/client-native v1.2.5-0.20190823115908-abc6e1722a52
+	github.com/haproxytech/config-parser v1.1.4
+	github.com/haproxytech/models v1.2.3-0.20190823114805-b3bd06b1c569
 	github.com/jessevdk/go-flags v1.4.0
 	github.com/rs/cors v1.6.0
 	github.com/sirupsen/logrus v1.4.2

go.mod

@@ -58,11 +58,17 @@ github.com/haproxytech/client-native v1.2.3 h1:/i2Tkn4sMABWQWXNWpQQ68Zto0rE5jmsX
 github.com/haproxytech/client-native v1.2.3/go.mod h1:VcZdVPpnqyeQJcgOqD0onws4PfU0702fP58V7zO8LnE=
 github.com/haproxytech/client-native v1.2.4 h1:M/gzlYixGGItcjobBS1QQFdp+Hqufe/djcSqPBHHa50=
 github.com/haproxytech/client-native v1.2.4/go.mod h1:pJeEyNF4+sZpBrm4rCH263PcBpJyYN+JDjOQleWcW5M=
+github.com/haproxytech/client-native v1.2.5-0.20190823115908-abc6e1722a52 h1:8Bd005lWCNfUOb7607o3amQahBkqWvzpo3+sqThOwWk=
+github.com/haproxytech/client-native v1.2.5-0.20190823115908-abc6e1722a52/go.mod h1:WsLizjzTjRwzqm7RlKTutJHvSbLMwyKVMCww7u3Jpzo=
 github.com/haproxytech/config-parser v1.1.3 h1:8G+XQ7QXGctmeQlgg9xME0WMY0TK7pZenf/DZM/QWfo=
 github.com/haproxytech/config-parser v1.1.3/go.mod h1:se7v728KDunj+qz1kXFFFl+nDuoBdUaN5eYSi+gYjNM=
+github.com/haproxytech/config-parser v1.1.4 h1:J9ziufMtKSemiHILPu3GgAopuhA8bMxxR1f0kGtgnHk=
+github.com/haproxytech/config-parser v1.1.4/go.mod h1:se7v728KDunj+qz1kXFFFl+nDuoBdUaN5eYSi+gYjNM=
 github.com/haproxytech/models v1.2.1/go.mod h1:UXZVErm/XN6z10sM/enmxrdeEnwo7vz1JI+a8ycEvOQ=
 github.com/haproxytech/models v1.2.2 h1:/lXf0e3zCF4jCH+QZ9LfcCS2YXPRXFrQrWWTirL6gOY=
 github.com/haproxytech/models v1.2.2/go.mod h1:UXZVErm/XN6z10sM/enmxrdeEnwo7vz1JI+a8ycEvOQ=
+github.com/haproxytech/models v1.2.3-0.20190823114805-b3bd06b1c569 h1:uSIImvE2nSiEqMvesozR0cF90I0Gys8Rl6uEItGMZbw=
+github.com/haproxytech/models v1.2.3-0.20190823114805-b3bd06b1c569/go.mod h1:UXZVErm/XN6z10sM/enmxrdeEnwo7vz1JI+a8ycEvOQ=
 github.com/jessevdk/go-flags v1.4.0 h1:4IU2WS7AumrZ/40jfhf4QVDMsQwqA7VEHozFRrGARJA=
 github.com/jessevdk/go-flags v1.4.0/go.mod h1:4FA24M0QyGHXBuZZK/XkWh8h0e1EYbRYJSGM75WSRxI=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=