add: dockerfile and deploy command

Dockerfile

@@ -0,0 +1,11 @@
+# Build Stage
+FROM rust:latest AS builder
+WORKDIR /app
+COPY . .
+RUN cargo build --release
+
+# Runtime Stage
+FROM debian:stable-slim
+WORKDIR /app
+COPY --from=builder /app/target/release/handler .
+CMD ["./handler"]

Makefile

@@ -0,0 +1,16 @@
+MAJOR_VERSION = 0
+MINOR_VERSION = 0
+PATH_VERSION = 1
+
+TAG = $(MAJOR_VERSION).$(MINOR_VERSION).$(PATH_VERSION)
+
+build:
+	docker build . -t skubelb-handler:$(TAG)
+	docker tag skubelb-handler:$(TAG) us-west4-docker.pkg.dev/nixernetes/images/skubelb-handler:$(TAG)
+
+kube:
+	cat kubernetes.yaml.tmpl | sed 's/TAG/$(TAG)/' > kubernetes.yaml
+
+deploy: build kube
+	docker push us-west4-docker.pkg.dev/nixernetes/images/skubelb-handler:$(TAG)
+	kubectl apply -f kubernetes.yaml

kubernetes.yaml

@@ -0,0 +1,41 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: skubelb
+  namespace: skubelb
+  labels:
+    k8s-app: skubelb
+spec:
+  selector:
+    matchLabels:
+      name: skubelb
+  template:
+    metadata:
+      labels:
+        name: skubelb
+    spec:
+      tolerations:
+      # these tolerations are to have the daemonset runnable on control plane nodes
+      # remove them if your control plane nodes should not run pods
+      - key: node-role.kubernetes.io/control-plane
+        operator: Exists
+        effect: NoSchedule
+      - key: node-role.kubernetes.io/master
+        operator: Exists
+        effect: NoSchedule
+      containers:
+      - name: skubelb
+        image: us-west4-docker.pkg.dev/nixernetes/images/skubelb-handler:0.0.1
+        env:
+        - name: NODE_IP
+          valueFrom:
+            fieldRef:
+              fieldPath: status.hostIP
+        command: ["sh", "-c", "./handler -s 10.128.0.2:8888 -l ${NODE_IP}"]
+        resources:
+          limits:
+            memory: 200Mi
+          requests:
+            cpu: 10m
+            memory: 100Mi
+      terminationGracePeriodSeconds: 30

kubernetes.yaml.tmpl

@@ -0,0 +1,41 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: skubelb
+  namespace: skubelb
+  labels:
+    k8s-app: skubelb
+spec:
+  selector:
+    matchLabels:
+      name: skubelb
+  template:
+    metadata:
+      labels:
+        name: skubelb
+    spec:
+      tolerations:
+      # these tolerations are to have the daemonset runnable on control plane nodes
+      # remove them if your control plane nodes should not run pods
+      - key: node-role.kubernetes.io/control-plane
+        operator: Exists
+        effect: NoSchedule
+      - key: node-role.kubernetes.io/master
+        operator: Exists
+        effect: NoSchedule
+      containers:
+      - name: skubelb
+        image: us-west4-docker.pkg.dev/nixernetes/images/skubelb-handler:TAG
+        env:
+        - name: NODE_IP
+          valueFrom:
+            fieldRef:
+              fieldPath: status.hostIP
+        command: ["sh", "-c", "./handler -s 10.128.0.2:8888 -l ${NODE_IP}"]
+        resources:
+          limits:
+            memory: 200Mi
+          requests:
+            cpu: 10m
+            memory: 100Mi
+      terminationGracePeriodSeconds: 30

src/bin/handler.rs

@@ -3,7 +3,7 @@ use std::time::Duration;
 
 use clap::Parser;
 
-use log::error;
+use log::{error, info};
 
 use anyhow::Result;
 use env_logger::Env;
@@ -37,6 +37,7 @@ fn handle(remote: &str, listen: &str) -> Result<()> {
     let url = format!("http://{}/register/{}", remote, listen);
     loop {
         sleep(Duration::from_secs(20));
+        info!("sending post to {}", url);
         client.post(&url).send()?;
     }
 }