func NewConfigurer(logger lager.Logger, tcpLoadBalancer string, tcpLoadBalancerBaseCfg string, tcpLoadBalancerCfg string) RouterConfigurer {
switch tcpLoadBalancer {
case HaProxyConfigurer:
routerHostInfo, err := haproxy.NewHaProxyConfigurer(logger, tcpLoadBalancerBaseCfg, tcpLoadBalancerCfg)
if err != nil {
logger.Fatal("could not create tcp load balancer",
err,
lager.Data{"tcp_load_balancer": tcpLoadBalancer})
return nil
}
return routerHostInfo
default:
logger.Fatal("not-supported", errors.New("unsupported tcp load balancer"), lager.Data{"tcp_load_balancer": tcpLoadBalancer})
return nil
}
}
haproxyConfigurer *haproxy.HaProxyConfigurer
)
verifyHaProxyConfigContent := func(haproxyFileName, expectedContent string, present bool) {
data, err := ioutil.ReadFile(haproxyFileName)
Expect(err).ShouldNot(HaveOccurred())
if present {
Expect(string(data)).Should(ContainSubstring(expectedContent))
} else {
Expect(string(data)).ShouldNot(ContainSubstring(expectedContent))
}
}
Context("when empty base configuration file is passed", func() {
It("returns a ErrRouterConfigFileNotFound error", func() {
_, err := haproxy.NewHaProxyConfigurer(logger, "", haproxyConfigFile)
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(cf_tcp_router.ErrRouterConfigFileNotFound))
})
})
Context("when empty configuration file is passed", func() {
It("returns a ErrRouterConfigFileNotFound error", func() {
_, err := haproxy.NewHaProxyConfigurer(logger, haproxyConfigTemplate, "")
Expect(err).Should(HaveOccurred())
Expect(err.Error()).To(ContainSubstring(cf_tcp_router.ErrRouterConfigFileNotFound))
})
})
Context("when base configuration file does not exist", func() {
It("returns a ErrRouterConfigFileNotFound error", func() {