Initial commit

main.go

@@ -0,0 +1,9 @@
+package main
+
+import (
+  "striveworks.us/stampede/pkg/listen"
+)
+
+func main() {
+  Listen()
+}

pkg/broadcast.go

@@ -0,0 +1,24 @@
+package pkg
+
+import (
+  "net"
+  "fmt"
+)
+
+func Broadcast() {
+  pc, err := net.ListenPacket("udp4", ":8829")
+  if err != nil {
+    panic(err)
+  }
+  defer pc.Close()
+
+  addr,err := net.ResolveUDPAddr("udp4", "192.168.7.255:8829")
+  if err != nil {
+    panic(err)
+  }
+
+  _,err := pc.WriteTo([]byte("data to transmit"), addr)
+  if err != nil {
+    panic(err)
+  }
+}

pkg/listen.go

@@ -0,0 +1,23 @@
+package pkg
+
+import (
+  "net"
+  "fmt"
+)
+
+
+func Listen() {
+  pc,err := net.ListenPacket("udp4", ":8829")
+  if err != nil {
+    panic(err)
+  }
+  defer pc.Close()
+
+  buf := make([]byte, 1024)
+  n,addr,err := pc.ReadFrom(buf)
+  if err != nil {
+    panic(err)
+  }
+
+  fmt.Printf("%s sent this: %s\n", addr, buf[:n])
+}

scripts/init.sh

@@ -0,0 +1,49 @@
+#/bin/env bash
+set -ex
+
+source install.sh
+source pre-install.sh
+
+host1="chariotmaster01.america.striveworks.us"
+host2="chariotmaster02.america.striveworks.us"
+host3="chariotmaster03.america.striveworks.us"
+
+RKE_USER="rke"
+
+if [ ! -f /root/${RKE_USER}-password.txt]; then
+    RKE=$(cat "/root/${RKE_USER}-password.txt")
+else
+  RKE_PASS=$(tr -dc A-Za-z0-9 </dev/urandom | head -c 13 ; echo '')
+  echo $RKE_PASS > "/root/${RKE_USER}-password.txt"
+fi
+
+
+# Setup RKE user
+setup_user
+
+# Disable swap
+disable_swap
+
+# Kernel param config
+kernel_setup
+
+# Install docker
+install_docker
+
+# Allow tcp forwarding
+allow_tcp_ssh_forwarding
+
+
+if [ "$CONTROLLER" = "1" ];
+  then
+
+  # Create SSH keys for RKE/cluster
+  create_ssh_keys $host1 $host2 $host3
+  # Get RKE binary
+  get_rke_binary
+  # Build RKE config
+  build_cluster_config $host1 $host2 $host3
+  # Init RKE
+  cd /opt
+  rke_up
+fi

scripts/install.sh

@@ -0,0 +1,203 @@
+#/bin/env bash
+set -ex
+
+
+function get_rke_binary {
+  wget https://github.com/rancher/rke/releases/download/v1.0.16/rke_linux-amd64 -O rke
+  chmod +x rke
+  cp rke /usr/local/bin
+}
+
+
+function build_cluster_config () {
+cat << EOF > /home/$RKE_USER/cluster.yml
+nodes:
+- address: "$1"
+  port: "22"
+  internal_address: ""
+  role:
+  - controlplane
+  - etcd
+  hostname_override: ""
+  user: $RKE_USER
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: /home/$RKE_USER/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+- address: "$2"
+  port: "22"
+  internal_address: ""
+  role:
+  - controlplane
+  - etcd
+  hostname_override: ""
+  user: $RKE_USER
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: /home/$RKE_USER/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+- address: "$3"
+  port: "22"
+  internal_address: ""
+  role:
+  - controlplane
+  - etcd
+  hostname_override: ""
+  user: $RKE_USER
+  docker_socket: /var/run/docker.sock
+  ssh_key: ""
+  ssh_key_path: /home/$RKE_USER/.ssh/id_rsa
+  ssh_cert: ""
+  ssh_cert_path: ""
+  labels: {}
+  taints: []
+services:
+  etcd:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+    external_urls: []
+    ca_cert: ""
+    cert: ""
+    key: ""
+    path: ""
+    uid: 0
+    gid: 0
+    snapshot: null
+    retention: ""
+    creation: ""
+    backup_config: null
+  kube-api:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+    service_cluster_ip_range: 10.43.0.0/16
+    service_node_port_range: ""
+    pod_security_policy: false
+    always_pull_images: false
+    secrets_encryption_config: null
+    audit_log: null
+    admission_configuration: null
+    event_rate_limit: null
+  kube-controller:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+    cluster_cidr: 10.42.0.0/16
+    service_cluster_ip_range: 10.43.0.0/16
+  scheduler:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+  kubelet:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+    cluster_domain: cluster.local
+    infra_container_image: ""
+    cluster_dns_server: 10.43.0.10
+    fail_swap_on: false
+    generate_serving_certificate: false
+  kubeproxy:
+    image: ""
+    extra_args: {}
+    extra_binds: []
+    extra_env: []
+network:
+  plugin: none
+authentication:
+  strategy: x509
+  sans: []
+  webhook: null
+addons: ""
+addons_include: []
+system_images:
+  etcd: rancher/coreos-etcd:v3.4.3-rancher1
+  alpine: rancher/rke-tools:v0.1.69
+  nginx_proxy: rancher/rke-tools:v0.1.69
+  cert_downloader: rancher/rke-tools:v0.1.69
+  kubernetes_services_sidecar: rancher/rke-tools:v0.1.69
+  kubedns: rancher/k8s-dns-kube-dns:1.15.0
+  dnsmasq: rancher/k8s-dns-dnsmasq-nanny:1.15.0
+  kubedns_sidecar: rancher/k8s-dns-sidecar:1.15.0
+  kubedns_autoscaler: rancher/cluster-proportional-autoscaler:1.7.1
+  coredns: rancher/coredns-coredns:1.6.5
+  coredns_autoscaler: rancher/cluster-proportional-autoscaler:1.7.1
+  nodelocal: rancher/k8s-dns-node-cache:1.15.7
+  kubernetes: rancher/hyperkube:v1.17.17-rancher1
+  flannel: rancher/coreos-flannel:v0.12.0
+  flannel_cni: rancher/flannel-cni:v0.3.0-rancher6
+  calico_node: rancher/calico-node:v3.13.4
+  calico_cni: rancher/calico-cni:v3.13.4
+  calico_controllers: rancher/calico-kube-controllers:v3.13.4
+  calico_ctl: rancher/calico-ctl:v3.13.4
+  calico_flexvol: rancher/calico-pod2daemon-flexvol:v3.13.4
+  canal_node: rancher/calico-node:v3.13.4
+  canal_cni: rancher/calico-cni:v3.13.4
+  canal_flannel: rancher/coreos-flannel:v0.12.0
+  canal_flexvol: rancher/calico-pod2daemon-flexvol:v3.13.4
+  weave_node: weaveworks/weave-kube:2.6.4
+  weave_cni: weaveworks/weave-npc:2.6.4
+  pod_infra_container: rancher/pause:3.1
+  ingress: rancher/nginx-ingress-controller:nginx-0.35.0-rancher2
+  ingress_backend: rancher/nginx-ingress-controller-defaultbackend:1.5-rancher1
+  metrics_server: rancher/metrics-server:v0.3.6
+  windows_pod_infra_container: rancher/kubelet-pause:v0.1.4
+ssh_key_path: ~/.ssh/id_rsa
+ssh_cert_path: ""
+ssh_agent_auth: false
+authorization:
+  mode: rbac
+  options: {}
+ignore_docker_version: false
+kubernetes_version: ""
+private_registries: []
+ingress:
+  provider: ""
+  options: {}
+  node_selector: {}
+  extra_args: {}
+  dns_policy: ""
+  extra_envs: []
+  extra_volumes: []
+  extra_volume_mounts: []
+cluster_name: ""
+cloud_provider:
+  name: ""
+prefix_path: ""
+addon_job_timeout: 0
+bastion_host:
+  address: ""
+  port: ""
+  user: ""
+  ssh_key: ""
+  ssh_key_path: ""
+  ssh_cert: ""
+  ssh_cert_path: ""
+monitoring:
+  provider: ""
+  options: {}
+  node_selector: {}
+restore:
+  restore: false
+  snapshot_name: ""
+dns: null
+
+EOF
+}
+
+
+function rke_up {
+  sudo -H -u rke bash -c 'cd $HOME && rke up --debug'
+}