feat: introduce NGINX API stats script

Author: mrajagopal

Makefile

@@ -2,7 +2,9 @@ build:
 	go build -o cmd/kubectl-nginx_supportpkg
 
 debugger:
-	docker buildx build --platform linux/amd64 -t nginx-debugger -f nginx-debugger/Dockerfile .
+	docker buildx build --build-context project=nginx-debugger --platform linux/amd64 -t nginx-debugger -f nginx-debugger/Dockerfile .
+#	docker tag nginx-debugger:latest mrajagopal/f5-utils:latest
+#	docker push mrajagopal/f5-utils:latest
 
 install: build
 	sudo cp cmd/kubectl-nginx_supportpkg /usr/local/bin

nginx-debugger/Dockerfile

@@ -1,10 +1,14 @@
 FROM alpine:latest
+COPY --chmod=744 --from=project api_stats.sh /root/api_stats.sh
 
-RUN apk --update add bind-tools curl netcat-openbsd iproute2 iperf bash && rm -rf /var/cache/apk/* \
+RUN apk --update add bind-tools curl netcat-openbsd iproute2 iperf tcpdump tshark bash jq \
+  && rm -rf /var/cache/apk/* \
   && ln -s /usr/bin/iperf /usr/local/bin/iperf \
   && ls -altrh /usr/local/bin/iperf
 
-ADD https://github.com/coredns/coredns/releases/download/v1.11.4/coredns_1.11.4_linux_amd64.tgz /coredns.tgz
-RUN tar -xzvf /coredns.tgz && rm -f /coredns.tgz
+# Setting User and Home
+USER root
+WORKDIR /root
+ENV HOSTNAME=nginx-utils
 
 CMD ["bash"]

nginx-debugger/api_stats.sh

@@ -0,0 +1,6 @@
+#!/usr/bin/env bash
+for i in /api/8/processes /api/8/connections /api/8/slabs /api/8/http/requests /api/8/http/server_zones /api/8/http/location_zones /api/8/http/caches /api/8/http/upstreams /api/8/http/keyvals; do
+  echo "**** $i ****" ; 
+  curl -s "127.0.0.1:8080/$i" | jq .; 
+  echo ""; 
+done