Merge pull request #36 from johnSchnake/lite

Add lite mode for less RAM/CPUs

Author: friedrichwilken

Vagrantfile

@@ -3,7 +3,8 @@
 require 'yaml'
 
 # Modify these in the variables.yaml file... they are described there in gory detail...
-settings = YAML.load_file 'sync/shared/variables.yaml'
+settingsFile = ENV["VAGRANT_VARIABLES"] || 'sync/shared/variables.yaml'
+settings = YAML.load_file settingsFile
 k8s_linux_registry=settings['k8s_linux_registry']
 k8s_linux_kubelet_deb=settings['k8s_linux_kubelet_deb']
 k8s_linux_apiserver=settings['k8s_linux_apiserver']
@@ -12,6 +13,12 @@ kubernetes_version_windows=settings['kubernetes_version_windows']
 overwrite_linux_bins = settings['overwrite_linux_bins']
 overwrite_windows_bins = settings['overwrite_windows_bins'] ? "-OverwriteBins" : ""
 
+linux_ram = settings['linux_ram']
+linux_cpus = settings['linux_cpus']
+windows_ram = settings['windows_ram']
+windows_cpus = settings['windows_cpus']
+
+
 Vagrant.configure(2) do |config|
 
   # LINUX Control Plane
@@ -24,8 +31,8 @@ Vagrant.configure(2) do |config|
     controlplane.vm.provider :virtualbox do |vb|
     controlplane.vm.synced_folder "./sync/shared", "/var/sync/shared"
     controlplane.vm.synced_folder "./sync/linux", "/var/sync/linux"
-      vb.memory = 8192
-      vb.cpus = 4
+      vb.memory = linux_ram
+      vb.cpus = linux_cpus
     end
     controlplane.vm.provision :shell, privileged: false, path: "sync/linux/controlplane.sh", args: "#{overwrite_linux_bins} #{k8s_linux_registry} #{k8s_linux_kubelet_deb} #{k8s_linux_apiserver} "
   end
@@ -39,8 +46,8 @@ Vagrant.configure(2) do |config|
     winw1.vm.synced_folder "./sync/shared", "C:\\sync\\shared"
     winw1.vm.synced_folder "./sync/windows", "C:\\sync\\windows"
     winw1.vm.provider :virtualbox do |vb|
-      vb.memory = 8192
-      vb.cpus = 4
+      vb.memory = windows_ram
+      vb.cpus = windows_cpus
       vb.gui = false
     end
 

sync/shared/kubejoin.ps1

@@ -1,3 +1,3 @@
 $env:path += ";C:\Program Files\containerd"
 [Environment]::SetEnvironmentVariable("Path", $env:Path, [System.EnvironmentVariableTarget]::Machine)
-kubeadm join 10.20.30.10:6443 --cri-socket "npipe:////./pipe/containerd-containerd" --token v3seop.mso4p1ibifs87ucp --discovery-token-ca-cert-hash sha256:2dea5736a807dc50b09c67c4c0da2f66f30111cd379af31b172b7aa2482a479a 
+kubeadm join 10.20.30.10:6443 --cri-socket "npipe:////./pipe/containerd-containerd" --token 9ehroj.ymupqnfk6lmsi9mc --discovery-token-ca-cert-hash sha256:6c339766d490a41c79977e77c60e9a022b9b8aceacfa4c817cc8dd6c0fbd3c1d 

sync/shared/variables-lite.yaml

@@ -0,0 +1,30 @@
+kubernetes_sha: "cb303e613a121a29364f75cc67d3d580833a7479"
+
+kubelet_path:  "./sync/windows/bin/kubelet.exe"
+kubeproxy_path:  "./sync/windows/bin/kube-proxy.exe"
+
+# LINUX KUBELET VERSION
+# LINUX KUBEADM VERSION
+# The RPM versions of the kubelet pulled down remotely
+# from https://apt.kubernetes.io/
+k8s_linux_registry: "gcr.io/k8s-staging-ci-images"
+k8s_linux_kubelet_deb:  "1.21.0"
+k8s_linux_apiserver: "ci/v1.22.0-alpha.3.31+a3abd06ad53b2f"
+
+# WINDOWS KUBELET VERSION
+# This is the -KubernetesVersion sent to
+# The PrepareNode.ps1 script, which is maintained
+# by sig-windows.  It determines what
+# WINDOWS KUBELET, KUBEADM we download.
+kubernetes_version_windows:  "1.21.0"
+
+### THIS WILL OVERWRITE THE KUBEADM and KUBELET with LOCAL SOURCE
+# TODO make these explicit about what they are overwriting
+# Seperate kubelet from kubeadm
+overwrite_linux_bins: false
+overwrite_windows_bins: false
+
+linux_ram: 2048
+linux_cpus: 2
+windows_ram: 4096
+windows_cpus: 2

sync/shared/variables.yaml

@@ -22,4 +22,9 @@ kubernetes_version_windows:  "1.21.0"
 # TODO make these explicit about what they are overwriting
 # Seperate kubelet from kubeadm
 overwrite_linux_bins: false
-overwrite_windows_bins: false
+overwrite_windows_bins: false
+
+linux_ram: 4096
+linux_cpus: 4
+windows_ram: 8162
+windows_cpus: 4