Add ubuntu to vagrant provision

Vagrantfile

 OS = (ENV['OS'] || "alpine310")
 BOX_REPO = (ENV['BOX_REPO'] || "generic")
-BOX = (ENV['BOX'] || "#{BOX_REPO}/#{OS}")
 HOME = File.dirname(__FILE__)
 PROJECT = File.basename(HOME)
 NUM_NODES = (ENV['NUM_NODES'] || 0).to_i
@@ -16,7 +15,11 @@ MOUNT_TYPE = ENV['MOUNT_TYPE'] || "nfs"
 # %admin	ALL = (root) NOPASSWD: /sbin/nfsd restart
 # --- May need to add terminal to System Preferences -> Security & Privacy -> Privacy -> Full Disk Access
 
-def provision(vm)
+def provision(vm, node_num)
+  node_os = (ENV["OS_#{node_num}"] || OS)
+  vm.box = (ENV["BOX_#{node_num}"] || ENV["BOX"] || "#{BOX_REPO}/#{node_os}")
+  vm.hostname = "#{PROJECT}-#{node_num}-#{node_os}"
+  vm.network "private_network", ip: "#{NETWORK_PREFIX}.#{100+node_num}"
   vm.provision "shell",
       path: VAGRANT_PROVISION,
       env: { 'HOME' => HOME, 'GOPATH' => ENV['GOPATH'], 'BOX' => vm.box }
@@ -29,26 +32,17 @@ Vagrant.configure("2") do |config|
     v.memory = NODE_MEMORY
     v.customize ["modifyvm", :id, "--audio", "none"]
   end
-
-  config.vm.box = BOX
-  config.vm.hostname = PROJECT
-  config.vm.synced_folder ".", HOME, type: MOUNT_TYPE
-
   if Vagrant.has_plugin?("vagrant-timezone")
     config.timezone.value = :host
   end
+  config.vm.synced_folder ".", HOME, type: MOUNT_TYPE
 
   if NUM_NODES==0
-    config.vm.network "private_network", ip: "#{NETWORK_PREFIX}.100"
-    provision(config.vm)
+    provision(config.vm, 0)
   else
     (1..NUM_NODES).each do |i|
       config.vm.define ".#{i}" do |node|
-        node_os = (ENV["OS_#{i}"] || OS)
-        node.vm.box = (ENV["BOX_#{i}"] || "#{BOX_REPO}/#{node_os}")
-        node.vm.network "private_network", ip: "#{NETWORK_PREFIX}.#{100+i}"
-        node.vm.hostname = "#{PROJECT}-#{i}"
-        provision(node.vm)
+        provision(node.vm, i)
       end
     end
   end

scripts/provision/generic/alpine310/vagrant

@@ -2,8 +2,8 @@
 set -ve
 
 apk add -q -f curl libc6-compat tzdata
-echo "Installing go $goversion"
-curl -sL https://storage.googleapis.com/golang/go${goversion}.linux-${ARCH}.tar.gz | tar -xzf - -C /usr/local
+download_go
+download_dqlite
 # ---
 cat <<EOF >/etc/profile.d/build.sh
 export SELINUX=true
@@ -12,9 +12,6 @@ export STATIC_BUILD=true
 EOF
 . /etc/profile.d/build.sh
 # ---
-echo "Downloading DQLITE from $DQLITE_URL"
-curl -sfL $DQLITE_URL -o /usr/src/dqlite.tgz
-# ---
 . /tmp/docker-run
 # ---
 go get -u github.com/go-delve/delve/cmd/dlv

scripts/provision/generic/centos7/vagrant

 #!/bin/bash
 set -ve
 
-
-echo "Installing go $goversion"
-curl -sL https://storage.googleapis.com/golang/go${goversion}.linux-${ARCH}.tar.gz | tar -xzf - -C /usr/local
+download_go
 # ---
 cat <<EOF >/etc/profile.d/build.sh
 export SELINUX=true

scripts/provision/generic/ubuntu1804/vagrant

+#!/bin/bash
+set -ve
+
+download_go
+# ---
+cat <<EOF >/etc/profile.d/build.sh
+export SELINUX=true
+# export DQLITE=true
+# export STATIC_BUILD=true
+EOF
+. /etc/profile.d/build.sh
+# ---
+apt-get install -y \
+  build-essential \
+  pkg-config \
+  libseccomp-dev \
+  libsqlite3-dev \
+  libselinux1-dev \
+  zlib1g-dev \
+
+# ---
+sed -E 's|apk( -U)?( --no-cache)?( --repository [^ ]*)? add|apt-get install -y|g' -i /tmp/docker-run
+. /tmp/docker-run
+# ---
+go get -u github.com/go-delve/delve/cmd/dlv
+# ---

scripts/provision/vagrant

 #!/bin/bash
 set -ve
 
-ARCH=amd64
 PROVISION="scripts/provision/$BOX/vagrant"
-OS=$(basename $BOX)
 
 if [ ! -f /etc/vagrant_box_build_time ]; then
     echo "This script should only be called during vagrant provisioning"
@@ -28,15 +26,10 @@ if [ -z "${GOPATH}" ]; then
 else
     echo "Using parent GOPATH=$GOPATH"
 fi
-goversion=$(grep "^FROM " Dockerfile.dapper | sed -e 's/^FROM golang:\(.*\)-.*/\1/')
-
-if [ -z "$goversion" ]; then
-    echo "Cannot find version of go to fetch"
-    exit 1
-fi
 
 # --- Setup basic env
 cat <<EOF >/etc/profile.d/env.sh
+export ARCH=amd64
 export GO111MODULE=off
 export GOPATH="$GOPATH"
 export PATH=/usr/local/bin:$PATH:/usr/local/go/bin:$GOPATH/bin
@@ -44,10 +37,6 @@ export HOME="$HOME" && cd
 EOF
 . /etc/profile.d/env.sh
 
-# --- Setup for dqlite download
-DQLITE_URL="https://github.com/$(grep dqlite-build Dockerfile.dapper | sed -e 's/^.*--from=\([^ ]*\).*$/\1/' -e 's|:|/releases/download/|')/dqlite-$ARCH.tgz"
-mkdir -p /usr/src/
-
 # --- Clean go cache
 rm -rf .cache/go-build || true
 
@@ -55,13 +44,13 @@ rm -rf .cache/go-build || true
 sed -i 's|:/bin/ash$|:/bin/bash|g' /etc/passwd
 cat <<EOF >/etc/profile.d/color.sh
 alias ls='ls --color=auto'
-export PS1='\033[31m[ \033[90m\D{%F %T}\033[31m ] \033[35m{\033[90m$OS\033[35m}\n\[\033[36m\]\u\[\033[m\]🐮\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ '
+export PS1='\033[31m[ \033[90m\D{%F %T}\033[31m ]\n\[\033[36m\]\u\[\033[m\]🐮\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ '
 EOF
 
 # --- Setup install script from docker run commands
 mkdir -p ${GOPATH}/bin
 mkdir -p /go
-ln -s $GOPATH/bin /go/bin
+ln -sf $GOPATH/bin /go/bin
 sed ':a;N;$!ba;s/\\\n/ /g' <Dockerfile.dapper | grep '^RUN ' | sed -e 's/^RUN //' >/tmp/docker-run
 export BINDIR=/go/bin
 export GOPATH=/go
@@ -79,6 +68,30 @@ cat <<\EOF >/etc/motd
 
 EOF
 
+# --- Utility function to download go
+download_go() {
+    goversion=$(grep "^FROM " Dockerfile.dapper | sed -e 's/^FROM golang:\(.*\)-.*/\1/')
+    if [ -z "$goversion" ]; then
+        echo "Cannot find version of go to fetch"
+        return 1
+    fi
+    echo "Installing go $goversion"
+    curl -sL https://storage.googleapis.com/golang/go${goversion}.linux-${ARCH}.tar.gz | tar -xzf - -C /usr/local
+}
+
+
+# --- Utility function to download dqlite
+download_dqlite() {
+    dqliteURL="https://github.com/$(grep dqlite-build Dockerfile.dapper | sed -e 's/^.*--from=\([^ ]*\).*$/\1/' -e 's|:|/releases/download/|')/dqlite-$ARCH.tgz"
+    if [ -z "$dqliteURL" ]; then
+        echo "Cannot find dqlite URL to fetch"
+        return 1
+    fi
+    mkdir -p /usr/src/
+    echo "Downloading DQLITE from $dqliteURL"
+    curl -sfL $dqliteURL -o /usr/src/dqlite.tgz
+}
+
 # --- Run vagrant provision script if available
 if [ ! -f "${PROVISION}" ]; then
   echo 'WARNING: Unable to execute provision script "${PROVISION}"'