panic when deploying a new policy

[marccampbell]

It retried and works still, but:

[gatekeeper-5bc8996876-wn7pk gatekeeper] http2: panic serving 192.168.65.3:47370: runtime error: invalid memory address or nilpointer dereference
[gatekeeper-5bc8996876-wn7pk gatekeeper] goroutine 336 [running]:
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(*http2serverConn).runHandler.func1(0xc4203b6508, 0xc420643faf, 0xc4200d0000)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5753 +0x190
[gatekeeper-5bc8996876-wn7pk gatekeeper] panic(0x12aa5e0, 0x1da2db0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/runtime/panic.go:502 +0x229
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/pkg/proxy.GatekeeperProxy.AdmissionRequest(0xc42032a100, 0x1576c20, 0xc42032ac00, 0x15acdc0, 0xc4201784b0, 0xc4203400b0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/pkg/proxy/server.go:157 +0x119d
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/pkg/proxy.(GatekeeperProxy).AdmissionRequest-fm(0xc4203400b0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/pkg/proxy/server.go:69 +0x56
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Context).Next(0xc4203400b0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/context.go:108 +0x43
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Engine).handleHTTPRequest(0xc4200c5320, 0xc4203400b0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/gin.go:361 +0x586
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Engine).ServeHTTP(0xc4200c5320, 0x158f400, 0xc4203b6508, 0xc4203e5900)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/gin.go:326 +0x153
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.serverHandler.ServeHTTP(0xc4201d8f70, 0x158f400, 0xc4203b6508, 0xc4203e5900)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/server.go:2694 +0xbc
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.initNPNRequest.ServeHTTP(0xc420104000, 0xc4201d8f70, 0x158f400, 0xc4203b6508, 0xc4203e5900)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/server.go:3260 +0x9a
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(Handler).ServeHTTP-fm(0x158f400, 0xc4203b6508, 0xc4203e5900)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5475 +0x4d
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(*http2serverConn).runHandler(0xc4200d0000, 0xc4203b6508, 0xc4203e5900, 0xc4203b5ba0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5760 +0x89
[gatekeeper-5bc8996876-wn7pk gatekeeper] created by net/http.(*http2serverConn).processHeaders
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5494 +0x46b
[gatekeeper-5bc8996876-wn7pk gatekeeper] ts=2018-11-27T00:00:36.4596327Z caller=github.com/replicatedhq/gatekeeper/pkg/proxy/server.go level=warn method=GatekeeperProxy.AdmissionRequest event="send request upstream" err="Post https://gatekeeper-opa.gatekeeper-system.svc: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
[gatekeeper-5bc8996876-wn7pk gatekeeper] ts=2018-11-27T00:00:36.7319066Z caller=github.com/replicatedhq/gatekeeper/pkg/proxy/server.go level=warn method=GatekeeperProxy.AdmissionRequest event="send request upstream" err="Post https://gatekeeper-opa.gatekeeper-system.svc: net/http: request canceled while waiting for connection (Client.Timeout exceeded while awaiting headers)"
[gatekeeper-5bc8996876-wn7pk gatekeeper] http2: panic serving 192.168.65.3:47370: runtime error: invalid memory address or nilpointer dereference
[gatekeeper-5bc8996876-wn7pk gatekeeper] goroutine 394 [running]:
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(*http2serverConn).runHandler.func1(0xc4204a2158, 0xc420643faf, 0xc4200d0000)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5753 +0x190
[gatekeeper-5bc8996876-wn7pk gatekeeper] panic(0x12aa5e0, 0x1da2db0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/runtime/panic.go:502 +0x229
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/pkg/proxy.GatekeeperProxy.AdmissionRequest(0xc42032a100, 0x1576c20, 0xc42032ac00, 0x15acdc0, 0xc4201784b0, 0xc420340160)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/pkg/proxy/server.go:157 +0x119d
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/pkg/proxy.(GatekeeperProxy).AdmissionRequest-fm(0xc420340160)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/pkg/proxy/server.go:69 +0x56
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Context).Next(0xc420340160)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/context.go:108 +0x43
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Engine).handleHTTPRequest(0xc4200c5320, 0xc420340160)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/gin.go:361 +0x586
[gatekeeper-5bc8996876-wn7pk gatekeeper] github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin.(*Engine).ServeHTTP(0xc4200c5320, 0x158f400, 0xc4204a2158, 0xc4205d2800)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /go/src/github.com/replicatedhq/gatekeeper/vendor/github.com/gin-gonic/gin/gin.go:326 +0x153
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.serverHandler.ServeHTTP(0xc4201d8f70, 0x158f400, 0xc4204a2158, 0xc4205d2800)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/server.go:2694 +0xbc
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.initNPNRequest.ServeHTTP(0xc420104000, 0xc4201d8f70, 0x158f400, 0xc4204a2158, 0xc4205d2800)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/server.go:3260 +0x9a
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(Handler).ServeHTTP-fm(0x158f400, 0xc4204a2158, 0xc4205d2800)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5475 +0x4d
[gatekeeper-5bc8996876-wn7pk gatekeeper] net/http.(*http2serverConn).runHandler(0xc4200d0000, 0xc4204a2158, 0xc4205d2800, 0xc4204c56a0)
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5760 +0x89
[gatekeeper-5bc8996876-wn7pk gatekeeper] created by net/http.(*http2serverConn).processHeaders
[gatekeeper-5bc8996876-wn7pk gatekeeper]        /usr/local/go/src/net/http/h2_bundle.go:5494 +0x46b
[gatekeeper-controller-manager-0 manager] ts=2018-11-27T00:00:37.1089826Z caller=github.com/replicatedhq/gatekeeper/pkg/controller/admissionpolicy/opa_reconciler.go level=info method=ensureOPARunning event="ensure opa instance running"