Initial commit
This commit is contained in:
mischa
commit
3423cb18cb
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SERVER="server1
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DOMAIN="example.com"
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ETC="."
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IMG="."
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HTDOCS="."
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VMDUSERS="vmdusers"
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UPLINK="uplink_vlan42"
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BRIDGE="bridge42"
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ROUTER="192.168.1.1
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DNS="192.186.1.3"
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SUBNET="192.168.1.0"
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NETMASK="255.255.255.0"
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RANGE="192.168.1.32 192.168.1.127"
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#!/bin/sh
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# shellcheck disable=SC1090
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# shellcheck disable=SC2154
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# CONF_FILE "_vms.conf" needs to have the following variables:
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#ROUTER="192.168.0.1"
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#DNS="192.168.0.1"
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#SERVER="server1"
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#DOMAIN="example.com"
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#ETC="/etc"
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#IMG="/var/vmm"
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#HTDOCS="/var/www/htdocs"
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#VMDUSERS="vmdusers"
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#UPLINK="uplink_vlan42"
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#BRIDGE="bridge42"
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#ROUTER="192.168.0.1"
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#DNS="192.168.0.1"
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#SUBNET="192.168.0.0"
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#NETMASK="255.255.255.0"
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#RANGE="192.168.0.10 192.168.0.10"
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set -e
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main () {
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CONF_FILE="$PWD/_vms.conf"
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[ -f "$CONF_FILE" ] && . "$CONF_FILE"
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date=$(date "+%Y-%m-%d %H:%M:%S")
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echo "New config files created for $SERVER @ $date"
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fs=$(
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list_files
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)
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if test -n "$fs"
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then
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echo "$fs"
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echo "$fs" |
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render_vm_conf >> "${ETC}/vm.conf"
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echo "$fs" |
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render_dhcpd_conf >> "${ETC}/dhcpd.conf"
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echo "$fs" |
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render_install_conf
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echo "$fs" |
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create_images
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echo "$fs" |
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create_users
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fi
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restart_service
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}
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list_files() {
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find . -type f -name "vm*.txt" -maxdepth 1 | sort | xargs awk '/message/ { print FILENAME }'
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}
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render_vm_conf() {
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printf "#\\n# File generated on %s\\n#\\n" "$date" > "${IMG}/vm.conf"
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printf "socket owner :%s\\n\\n" "$VMDUSERS"
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printf "switch \"%s\" {\\n" "$UPLINK"
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printf "\\tinterface %s\\n" "$BRIDGE"
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printf "}\\n\\n"
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while read -r f
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do
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. "$f"
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printf "vm \"%s\" {\\n" "$instance"
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printf "\\tdisable\\n"
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if test -n "$owner"
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then
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printf "\\towner %s\\n" "$owner"
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fi
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if ! test -f "${IMG}/${instance}.img"
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then
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printf "\\tboot \"%s/bsd.rd\"\\n" "$IMG"
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fi
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printf "\\tdisk \"%s/%s.img\"\\n" "$IMG" "$instance"
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printf "\\tinterface tap {\\n"
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printf "\\t\\tswitch \"uplink_vlan921\"\\n"
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printf "\\t\\tlladdr %s\\n" "$mac"
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printf "\\t}\\n"
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printf "}\\n"
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done
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}
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render_dhcpd_conf() {
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printf "#\\n# File generated on %s\\n#\\n" "$date" > "${ETC}/dhcpd.conf"
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printf "option domain-name \"%s\";\\n" "$DOMAIN"
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printf "option domain-name-servers \"%s\";\\n\\n" "$DNS"
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printf "subnet %s netmask %s {\\n" "$SUBNET" "$NETMASK"
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printf "\\toption routers %s;\\n" "$ROUTER"
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printf "\\tserver-name \"%s.%s\";\\n" "$SERVER" "$DOMAIN"
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printf "\\trange %s;\\n\\n" "$RANGE"
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while read -r f
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do
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. "$f"
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printf "\\thost %s {\\n" "$instance"
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printf "\\t\\thardware ethernet %s\\n" "$mac"
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printf "\\t\\tfixed-address %s\\n" "$ip"
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if ! test -f "${IMG}/${instance}.img"
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then
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printf "\\t\\tfilename \"auto_install\"\\n"
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else
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printf "\\t\\tfilename \"auto_upgrade\"\\n"
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fi
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printf "\\t\\toption host-name \"%s\"\\n" "$hostname"
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printf "\\t}\\n"
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done
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printf "}\\n"
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}
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render_install_conf() {
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while read -r f
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do
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. "$f"
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ipv6_gateway=$(echo "$ipv6" | sed -e 's/::[0-9]*$/::1/g')
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if ! test -f "${IMG}/${instance}.img"
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then
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cat <<-EOF > "${HTDOCS}/install-${mac}.conf"
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#
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# File generated on $date
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#
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System hostname = $hostname
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Password for root = $pass
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Which speed should com0 = 115200
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Network interfaces = vio0
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IPv4 address for vio0 = dhcp
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IPv6 address for vio0 = $ipv6
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IPv6 default router = $ipv6_gateway
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Setup a user = $username
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Password for user = $pass
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Public ssh key for user = $message $pass
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Which disk is the root disk = sd0
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What timezone are you in = Europe/Amsterdam
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Location of sets = http
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Server = ftp.nluug.nl
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Set name(s) = -x* +xb* +xf*
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EOF
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echo "Install file created: ${HTDOCS}/install-${mac}.conf"
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else
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if test -f "${HTDOCS}/install-${mac}.conf"
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then rm -rf "${HTDOCS}/install-${mac}.conf"
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fi
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fi
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done
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}
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create_images() {
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while read -r f
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do
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. "$f"
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if ! test -f "${IMG}/${instance}.img"
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then vmctl create "${IMG}/${instance}.img" -s 50G > /dev/null
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echo "Image file created: ${IMG}/${instance}.img"
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fi
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done
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}
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create_users() {
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while read -r f
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do
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. "$f"
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if test -n "$owner"
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then
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if ! grep -e "^$owner" /etc/passwd > /dev/null
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then
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useradd -m -G "$VMDUSERS" "$owner"
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echo "$message" > "/home/${owner}/.ssh/authorized_keys"
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echo "User created: $owner"
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fi
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fi
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done
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}
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restart_service() {
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rcctl restart dhcpd
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vmctl reload
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}
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main "$@"
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@ -0,0 +1,15 @@
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instance="vm1"
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ip="192.168.0.10"
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ipv6="2a03:6000:192::10"
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mac="fe:e1:bb:d4:ce:a9"
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pass="kOlyAvD6lqLDS4X"
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date="2018/09/18"
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payment=
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donated=
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owner="user1"
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name="User One"
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email="user.one@gmail.com"
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message="ssh-ed25519 AAAAC3NzaC1lAILmSludIBvFRhkxldn1OEgnQdrNd7PxMQjm2DyYCqHjy user1"
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hostname="vm1"
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username="user1"
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note="First!"
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@ -0,0 +1,15 @@
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instance="vm2"
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ip="192.168.0.11
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ipv6="2a03:6000:192::11"
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mac="fe:e1:bb:d4:f2:6a"
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pass="IRiH5fXiez3iDvU"
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date="2018/09/18"
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payment=
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donated=
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owner=
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name="user Two
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email="user.two@gmail.com"
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message="ssh-ed25519 AAAAC3NzaC1lZDI1NTE5SudIBvFRhkxldn1OEgnQdl7PxMQjm2DyYCqHjy"
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hostname="user2"
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username="vm2"
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note="Second!"
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@ -0,0 +1,15 @@
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instance="vm3"
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ip="192.168.0.12
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ipv6="2a03:6000:192::12"
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mac="fe:e1:bb:d4:ad:fd"
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pass="fJweGUoqglVKqU4"
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date="2018/09/18"
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payment=
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donated=
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owner=
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name="User Three"
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email="user.three@gmail.com"
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message="ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDZ5LtCgngY6ehDPRA4+hBWl1NtfNNy5++0NjHuVNQgFls4hjdDeouNz1zPL6HXh72PgsBUEoTUucNi8BjOL//qFOCfKiPSJfiGUty+xIjyPowigoDx76z+hOwXVeKJ9sGMmknfH0x1z9Da+ShnNM5r1WwTz5JBV4tlVnQlYX65PeskWJSreTKRoPGSfNU2xxIJePmp0sCTJXfgDooqT7gR8W07vEYfW3pYReJXz3ipD/YBbkAXOxJEa3B75As+K7QC0UgTazq9u7mg+BTuRI9dAybyGqVWG+4EsiVwr57+5yLQkHRsS3JoBZXgyHJQ92o65Tt9eWQZ4DedgTha0d"
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hostname="vm3.example.com"
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username="user3"
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note=
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