feat: Create container image of utility tools not avialable in production containers

.github/workflows/docker-build.yml

@@ -0,0 +1,35 @@
+name: Build and Push Docker Image for nginx-utils container
+on:
+  push:
+    branches:
+      - mrajagopal-utils-pod
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+        # Step 2: Debug: Verify api_stats.sh and repository content
+      - name: List repository files
+        run: ls -R .; pwd
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v2
+        with:
+          context: .
+          file: nginx-utils/Dockerfile
+          push: true
+          tags: ghcr.io/nginx/nginx-utils:latest
+
+
+

Makefile

@@ -1,5 +1,9 @@
+.PHONY: nginx-utils build install
 build:
 	go build -o cmd/kubectl-nginx_supportpkg
 
+nginx-utils:
+	docker buildx build --build-context project=nginx-utils --platform linux/amd64 -t nginx-utils -f nginx-utils/Dockerfile .
+
 install: build
 	sudo cp cmd/kubectl-nginx_supportpkg /usr/local/bin

nginx-utils/Dockerfile

@@ -0,0 +1,17 @@
+FROM alpine:latest
+COPY --chmod=744 nginx-utils/api_stats.sh /root/api_stats.sh
+
+RUN set -ex \
+  && apk --update add --no-cache \
+  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
+
+# Setting User and Home
+USER root
+WORKDIR /root
+ENV HOSTNAME=nginx-utils
+
+CMD ["bash"]

nginx-utils/api_stats.sh

@@ -0,0 +1,43 @@
+#!/usr/bin/env bash
+
+# Parse command line options
+set -e
+set -o pipefail
+while getopts "p:v:h" opt; do
+  case $opt in
+    p) API_PORT="$OPTARG"
+    ;;
+    h) echo "Usage: $0 [-p port]"
+       exit 0
+    ;;
+    \?)  echo "Invalid option -$OPTARG" >&2
+    echo "Usage: $0 [-p port]"
+        exit 1
+    ;;
+  esac
+done
+
+if [ $OPTIND -eq 1 ]; then
+  echo "No options were passed, exiting ..."
+  echo "Usage: $(basename "$0") [-p port]"
+  exit 1
+fi
+
+if [ -z "${API_PORT}" ]; then
+  echo 'Missing -p arg' >&2
+  exit 1
+fi
+
+api_versions=($(curl http://127.0.0.1:$API_PORT/api/ | sed -e  's/\[//g' -e 's/\]//g' -e 's/\,/ /g'))
+API_VERSION=${api_versions[-1]}
+echo "API_VERSION: $API_VERSION"
+
+echo "**** /api/$API_VERSION/nginx ****" ;
+curl -s "127.0.0.1:$API_PORT/api/$API_VERSION/nginx" | jq .;
+echo "";
+
+for i in /api/$API_VERSION/processes /api/$API_VERSION/connections /api/$API_VERSION/slabs /api/$API_VERSION/http/requests /api/$API_VERSION/http/server_zones /api/$API_VERSION/http/location_zones /api/$API_VERSION/http/caches /api/$API_VERSION/http/upstreams /api/$API_VERSION/http/keyvals; do
+  echo "**** $i ****" ;
+  curl -s "127.0.0.1:$API_PORT/$i" | jq .;
+  echo "";
+done