.

configs/etc/defaults/devfs.rules

@@ -86,6 +86,7 @@ add include $devfsrules_unhide_basic
 add include $devfsrules_unhide_login
 add path fuse unhide
 add path zfs unhide
+add path 'bpf*' unhide
 
 # members of group uucp can access all usb and tty devices
 [usbrules=100]

jails/config/elk/elasticsearch.yml

@@ -28,6 +28,7 @@ node.name: node-1
 
 xpack.security.audit.enabled: true
 xpack.security.enabled: true
+xpack.security.authc.api_key.enabled: true
 xpack.security.http.ssl.enabled: true
 xpack.security.transport.ssl.enabled: true
 xpack.security.http.ssl.key: certs/diyprivkeyr.pem
@@ -36,6 +37,10 @@ xpack.security.http.ssl.certificate_authorities: certs/cacert.pem
 xpack.security.transport.ssl.key: certs/diyprivkeyr.pem
 xpack.security.transport.ssl.certificate: certs/diyfullchain.pem
 xpack.security.transport.ssl.certificate_authorities: certs/cacert.pem
+
+xpack.monitoring.collection.enabled: true
+xpack.monitoring.elasticsearch.collection.enabled: false
+
 #
 # ----------------------------------- Paths ------------------------------------
 #

jails/config/elk/jvm.options

@@ -23,7 +23,7 @@
 -Xms8G
 -Xmx8G
 -XX:MaxMetaspaceSize=2G
--Xss2G
+-Xss1G
 
 -Xnoclassgc
 -XX:MaxDirectMemorySize=2G

jails/config/elk/kibana.yml

@@ -58,6 +58,9 @@ server.ssl.key: /mnt/certs/diyprivkeyr.pem
 #elasticsearch.ssl.certificate: /path/to/your/client.crt
 #elasticsearch.ssl.key: /path/to/your/client.key
 
+xpack.security.enabled: true
+xpack.encryptedSavedObjects.encryptionKey: "something_at_least_32_characters_this_is_it"
+
 # Optional setting that enables you to specify a path to the PEM file for the certificate
 # authority for your Elasticsearch instance.
 elasticsearch.ssl.certificateAuthorities: [ "/mnt/certs/cacert.pem" ]

jails/config/elk/logstash.conf

@@ -1,4 +1,4 @@
-# Copyright (c) 2018-2021, diyIT.org
+# Copyright (c) 2018-2020, diyIT.org
 # All rights reserved.
 #
 # BSD 2-Clause License ("Simplified BSD License" or "FreeBSD License")
@@ -18,6 +18,23 @@ input {
   }
 }
 
+filter {
+  if "suricata" in [tags] {
+    json {
+      source => "message"
+    }
+    date {
+      match => [ "timestamp", "ISO8601" ]
+    }
+    if ![geoip] and [src_ip] !~ /^(10\.|192\.168\.)/ { 
+      geoip {
+        add_tag => [ "GeoIP" ] 
+        source => "src_ip" 
+      }
+    }
+  }
+}
+
 output {
   elasticsearch {
     ssl => true

jails/config/elk/metricbeat.yml

@@ -98,8 +98,8 @@ output.elasticsearch:
 
   # Authentication credentials - either API key or username/password.
   #api_key: "id:api_key"
-  #username: "elastic"
+  username: "demo"
-  #password: "changeme"
+  password: "demo"
 
 # ------------------------------ Logstash Output -------------------------------
 #output.logstash:

k8s/apps/deploy-pyserver.txt

@@ -0,0 +1,25 @@
+cd pyserver
+docker build -t localhost:5000/pyserver:0.1 -f Dockerfile .
+# docker build -t sahlawat/pyserver:0.1 -f Dockerfile .
+docker run -it -p 8080:8080 --rm localhost:5000/pyserver:0.1
+# curl localhost:8080
+# docker run -d -p 8080:8080 diyit/pyserver:0.1
+
+docker push localhost:5000/pyserver:0.1
+
+kubectl create namespace demo
+kubectl config set-context --current --namespace=demo
+
+kubectl create deployment myapp --image=localhost:5000/pyserver:0.1
+kubectl expose deployment myapp --port=8080 --type=LoadBalancer
+# kubectl get service
+# kubectl get all
+# curl 172.18.255.200:8080
+
+kubectl scale deployment myapp --replicas=3
+# kubectl get service
+
+kubectl delete service myapp
+kubectl delete deployment myapp
+
+kubectl delete namespace/demo

k8s/apps/pyserver-deployment.yml

@@ -0,0 +1,21 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: myapp
+  name: myapp
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: myapp
+  template:
+    metadata:
+      labels:
+        app: myapp
+    spec:
+      containers:
+      - name: myapp
+        image: localhost:5000/pyserver:v1
+        ports:
+          - containerPort: 8080

k8s/apps/pyserver/Dockerfile

@@ -0,0 +1,9 @@
+FROM python:3.8-slim-buster
+WORKDIR /usr/src/app
+COPY requirements.txt ./
+RUN pip install --upgrade pip
+RUN pip install --no-cache-dir -r requirements.txt
+COPY . .
+ENTRYPOINT ["python"]
+EXPOSE 8080
+CMD ["app.py"]

k8s/apps/pyserver/app.py

@@ -0,0 +1,14 @@
+from flask import Flask
+import os
+
+app = Flask(__name__)
+
+
+@app.route('/')
+def hello_world(count=0):
+    count += 1
+    return "Hello World! #" + str(count) + "\nfrom: " + os.getenv('HOSTNAME', "unknown") + "\n"
+
+
+if __name__ == '__main__':
+    app.run(host='0.0.0.0', port='8080')

k8s/apps/pyserver/requirements.txt

@@ -0,0 +1,3 @@
+flask
+flask_cors
+dapr

k8s/apps/pyserver/service.yaml

@@ -0,0 +1,35 @@
+kind: Pod
+apiVersion: v1
+metadata:
+  name: pyserver
+  labels:
+    app: pyserver
+spec:
+  containers:
+  - name: pyserver
+    image: localhost:5000/pyserver:0.1
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: pyserver
+spec:
+  selector:
+    app: pyserver
+  ports:
+  # Port used by the Docker image
+  - port: 8080
+---
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: pyserver-ingress
+spec:
+  rules:
+  - http:
+      paths:
+      - path: /
+        backend:
+          serviceName: pyserver
+          servicePort: 8080
+---

k8s/kind-cilium-config.yaml

@@ -0,0 +1,18 @@
+# a cluster with 3 control-plane nodes and 3 workers
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+- role: control-plane
+- role: control-plane
+- role: worker
+- role: worker
+- role: worker
+networking:
+  disableDefaultCNI: true
+  podSubnet: "10.10.0.0/16"
+  serviceSubnet: "10.11.0.0/16"
+containerdConfigPatches:
+- |-
+  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:5000"]
+    endpoint = ["http://kind-registry:5000"]

k8s/kind-vanilla-config.yaml

@@ -0,0 +1,17 @@
+# a cluster with 3 control-plane nodes and 3 workers
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+- role: control-plane
+- role: control-plane
+- role: worker
+- role: worker
+- role: worker
+networking:
+  podSubnet: "10.20.0.0/16"
+  serviceSubnet: "10.21.0.0/16"
+containerdConfigPatches:
+- |-
+  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:5000"]
+    endpoint = ["http://kind-registry:5000"]

k8s/kind-vanilla-config.yaml-ingress

@@ -0,0 +1,56 @@
+# a cluster with 3 control-plane nodes and 3 workers
+kind: Cluster
+apiVersion: kind.x-k8s.io/v1alpha4
+nodes:
+- role: control-plane
+  kubeadmConfigPatches:
+  - |
+    kind: InitConfiguration
+    nodeRegistration:
+      kubeletExtraArgs:
+        node-labels: "ingress-ready=true"    
+  extraPortMappings:
+  - containerPort: 80
+    hostPort: 80
+    protocol: TCP
+  - containerPort: 443
+    hostPort: 443
+    protocol: TCP
+- role: control-plane
+  kubeadmConfigPatches:
+  - |
+    kind: InitConfiguration
+    nodeRegistration:
+      kubeletExtraArgs:
+        node-labels: "ingress-ready=true"    
+  extraPortMappings:
+  - containerPort: 80
+    hostPort: 80
+    protocol: TCP
+  - containerPort: 443
+    hostPort: 443
+    protocol: TCP
+- role: control-plane
+  kubeadmConfigPatches:
+  - |
+    kind: InitConfiguration
+    nodeRegistration:
+      kubeletExtraArgs:
+        node-labels: "ingress-ready=true"    
+  extraPortMappings:
+  - containerPort: 80
+    hostPort: 80
+    protocol: TCP
+  - containerPort: 443
+    hostPort: 443
+    protocol: TCP
+- role: worker
+- role: worker
+- role: worker
+networking:
+  podSubnet: "10.20.0.0/16"
+  serviceSubnet: "10.21.0.0/16"
+containerdConfigPatches:
+- |-
+  [plugins."io.containerd.grpc.v1.cri".registry.mirrors."localhost:5000"]
+    endpoint = ["http://kind-registry:5000"]

k8s/metallb-configmap.yaml

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  namespace: metallb-system
+  name: config
+data:
+  config: |
+    address-pools:
+    - name: default
+      protocol: layer2
+      addresses:
+      - 172.18.255.200-172.18.255.250

k8s/metallb-test.yaml

@@ -0,0 +1,37 @@
+kind: Pod
+apiVersion: v1
+metadata:
+  name: foo-app
+  labels:
+    app: http-echo
+spec:
+  containers:
+  - name: foo-app
+    image: hashicorp/http-echo:0.2.3
+    args:
+    - "-text=foo"
+---
+kind: Pod
+apiVersion: v1
+metadata:
+  name: bar-app
+  labels:
+    app: http-echo
+spec:
+  containers:
+  - name: bar-app
+    image: hashicorp/http-echo:0.2.3
+    args:
+    - "-text=bar"
+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: foo-service
+spec:
+  type: LoadBalancer
+  selector:
+    app: http-echo
+  ports:
+  # Default port used by the image
+  - port: 5678

k8s/registry/kind-registry.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+reg_name='kind-registry'
+reg_port='5000'
+running="$(docker inspect -f '{{.State.Running}}' "${reg_name}" 2>/dev/null || true)"
+if [ "${running}" != 'true' ]; then
+  docker run \
+    -d --restart=always -p "${reg_port}:5000" --name "${reg_name}" \
+    registry:latest
+fi
+
+docker network connect "kind" "kind-registry"
+# http://localhost:5000/v2/_catalog
+
+# Portainer local
+# https://documentation.portainer.io/v2.0/deploy/ceinstalldocker/
+docker volume create portainer_data
+docker run -d -p 9000:9000 --name=portainer --restart=unless-stopped -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer-ce
+docker run -d -p 9001:9001 --name portainer_agent --restart=always -v /var/run/docker.sock:/var/run/docker.sock -v /var/lib/docker/volumes:/var/lib/docker/volumes portainer/agent
+# Endpoints->Type:Docker->Connect via:socket
+# http://localhost:9000
+
+# Portainer kind
+# https://documentation.portainer.io/v2.0/deploy/ceinstallk8s/
+helm repo add portainer https://portainer.github.io/k8s/
+helm repo update
+helm install --create-namespace -n portainer portainer portainer/portainer --set service.type=LoadBalancer
+# kubectl get services --all-namespaces
+# http://lbIP:9000

k8s/registry/portainer-agent-k8s.yaml

@@ -0,0 +1,80 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: portainer
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: portainer-sa-clusteradmin
+  namespace: portainer
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: portainer-crb-clusteradmin
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: cluster-admin
+subjects:
+- kind: ServiceAccount
+  name: portainer-sa-clusteradmin
+  namespace: portainer
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: portainer-agent
+  namespace: portainer
+spec:
+  type: LoadBalancer
+  selector:
+    app: portainer-agent
+  ports:
+    - name: http
+      protocol: TCP
+      port: 9001
+      targetPort: 9001
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: portainer-agent-headless
+  namespace: portainer
+spec:
+  clusterIP: None
+  selector:
+    app: portainer-agent
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: portainer-agent
+  namespace: portainer
+spec:
+  selector:
+    matchLabels:
+      app: portainer-agent
+  template:
+    metadata:
+      labels:
+        app: portainer-agent
+    spec:
+      serviceAccountName: portainer-sa-clusteradmin
+      containers:
+      - name: portainer-agent
+        image: portainer/agent:latest
+        imagePullPolicy: Always
+        env:
+        - name: LOG_LEVEL
+          value: DEBUG
+        - name: AGENT_CLUSTER_ADDR
+          value: "portainer-agent-headless"
+        - name: KUBERNETES_POD_IP
+          valueFrom:
+            fieldRef:
+              fieldPath: status.podIP
+        ports:
+        - containerPort: 9001
+          protocol: TCP

k8s/setup-kind-cilium.txt

@@ -0,0 +1,72 @@
+https://docs.cilium.io/en/v1.9/gettingstarted/kind/
+
+kind create cluster --name=kind-cilium --config kind-cilium-config.yaml
+
+kubectl cluster-info --context kind-kind-cilium
+kubectl config use-context kind-kind-cilium
+
+helm repo add cilium https://helm.cilium.io/
+
+docker pull cilium/cilium:v1.9.5
+kind load docker-image --name kind-cilium cilium/cilium:v1.9.5
+
+helm install cilium cilium/cilium --version 1.9.5 \
+   --namespace kube-system \
+   --set nodeinit.enabled=true \
+   --set kubeProxyReplacement=partial \
+   --set hostServices.enabled=false \
+   --set externalIPs.enabled=true \
+   --set nodePort.enabled=true \
+   --set hostPort.enabled=true \
+   --set bpf.masquerade=false \
+   --set image.pullPolicy=IfNotPresent \
+   --set ipam.mode=kubernetes
+
+kubectl create ns cilium-test
+kubectl apply -n cilium-test -f https://raw.githubusercontent.com/cilium/cilium/v1.9/examples/kubernetes/connectivity-check/connectivity-check.yaml
+# kubectl get pods --namespace cilium-test
+
+export CILIUM_NAMESPACE=kube-system
+helm upgrade cilium cilium/cilium --version 1.9.5 \
+   --namespace $CILIUM_NAMESPACE \
+   --reuse-values \
+   --set hubble.listenAddress=":4244" \
+   --set hubble.relay.enabled=true \
+   --set hubble.ui.enabled=true
+> kubectl port-forward -n $CILIUM_NAMESPACE svc/hubble-ui --address 0.0.0.0 --address :: 12000:80
+# open http://localhost:12000/ to access the UI
+
+export HUBBLE_VERSION=$(curl -s https://raw.githubusercontent.com/cilium/hubble/master/stable.txt)
+curl -LO "https://github.com/cilium/hubble/releases/download/$HUBBLE_VERSION/hubble-linux-amd64.tar.gz"
+curl -LO "https://github.com/cilium/hubble/releases/download/$HUBBLE_VERSION/hubble-linux-amd64.tar.gz.sha256sum"
+sha256sum --check hubble-linux-amd64.tar.gz.sha256sum
+tar zxf hubble-linux-amd64.tar.gz
+sudo mv hubble /usr/local/bin
+> kubectl port-forward -n $CILIUM_NAMESPACE svc/hubble-relay --address 0.0.0.0 --address :: 4245:80
+# hubble --server localhost:4245 status
+# hubble --server localhost:4245 observe
+
+kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/namespace.yaml
+kubectl create secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)"
+kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/metallb.yaml
+# kubectl get pods -n metallb-system --watch
+
+docker network inspect -f '{{.IPAM.Config}}' kind
+kubectl apply -f metallb-configmap.yaml
+
+
+Test metallb:
+kubectl apply -f metallb-test.yaml
+LB_IP=$(kubectl get svc/foo-service -o=jsonpath='{.status.loadBalancer.ingress[0].ip}')
+# should output foo and bar on separate lines 
+for _ in {1..10}; do
+  curl ${LB_IP}:5678
+done
+
+
+Ingress TBD:
+kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/kind/deploy.yaml
+kubectl wait --namespace ingress-nginx \
+  --for=condition=ready pod \
+  --selector=app.kubernetes.io/component=controller \
+  --timeout=90s

k8s/setup-kind-vanilla.txt

@@ -0,0 +1,15 @@
+https://kind.sigs.k8s.io/docs/user/quick-start/
+https://kind.sigs.k8s.io/docs/user/loadbalancer
+
+kind create cluster --name=kind-vanilla --config kind-vanilla-config.yaml
+
+kubectl cluster-info --context kind-kind-vanilla
+kubectl config use-context kind-kind-vanilla
+
+kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/namespace.yaml
+kubectl create secret generic -n metallb-system memberlist --from-literal=secretkey="$(openssl rand -base64 128)" 
+kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/master/manifests/metallb.yaml
+# kubectl get pods -n metallb-system --watch
+
+docker network inspect -f '{{.IPAM.Config}}' kind
+kubectl apply -f metallb-configmap.yaml

sync-k8s.sh

@@ -0,0 +1,11 @@
+#!/usr/local/bin/bash
+
+# Copyright (c) 2018-2021, diyIT.org
+# All rights reserved.
+#
+# BSD 2-Clause License ("Simplified BSD License" or "FreeBSD License")
+# https://diyit.org/license/
+#
+#
+
+rsync -av --del  ahlawat@cvm-b:k8s/ k8s/