feat: add etcd build

- create rpm for etcd, etcdctl and etcdutl
- manage systemd service for etcd

rpms/etcd/Dockerfile

@@ -0,0 +1,25 @@
+# Start with the AlmaLinux 8.10 base image
+FROM git.query.consul/unkin/almalinux8-rpmbuilder:latest
+
+# Create output directory for RPMs
+RUN mkdir -p /app/dist
+
+# Set working directory
+WORKDIR /app
+
+ARG PACKAGE_RELEASE
+ENV PACKAGE_RELEASE=${PACKAGE_RELEASE}
+ARG PACKAGE_VERSION
+ENV PACKAGE_VERSION=${PACKAGE_VERSION}
+
+# Copy nfpm.yaml from the context into the container
+COPY nfpm.yaml /app/nfpm.yaml
+COPY resources /app/resources
+
+# Download the required files
+RUN wget -O /app/etcd-v${PACKAGE_VERSION}-linux-amd64.tar.gz https://github.com/etcd-io/etcd/releases/download/v${PACKAGE_VERSION}/etcd-v${PACKAGE_VERSION}-linux-amd64.tar.gz && \
+    tar xf /app/etcd-v${PACKAGE_VERSION}-linux-amd64.tar.gz && \
+    mv /app/etcd-v${PACKAGE_VERSION}-linux-amd64/* /app/
+
+# Default command to build RPMs
+CMD nfpm pkg --config /app/nfpm.yaml --target /app/dist --packager rpm