maas-autobuilder/functions.sh
Arif Ali 577be01157
Updates with some fine tuning
* Add openvswitch support
* Fine tuning of jq commands
2022-10-30 19:17:51 +00:00

252 lines
7.5 KiB
Bash

#!/bin/bash
# how long you want to wait for commissioning
# default is 1200, i.e. 20 mins
state_timeout=1200
install_deps()
{
# Install some of the dependent packages
deps="jq"
if [[ "$0" =~ "manage-vm-nodes" ]] ; then
deps+=" virtinst"
fi
sudo apt -y update && sudo apt -y install ${deps}
# We install the snap, as maas-cli is not in distributions, this ensures
# that the package we invoke would be consistent
sudo snap install maas --channel=${maas_version}/stable
}
pkg_cleanup()
{
sudo snap remove maas maas-cli lxd
}
# Ensures that any dependent packages are installed for any MAAS CLI commands
# This also logs in to MAAS, and sets up the admin profile
maas_login()
{
# Login to MAAS using the API key and the endpoint
login=$(echo ${maas_api_key} | maas login ${maas_profile} ${maas_endpoint} -)
}
# Grabs the unique system_id for the host human readable hostname
maas_system_id()
{
node_name=$1
maas ${maas_profile} machines read hostname=${node_name} | jq -r ".[].system_id"
}
# Based on the nodename, finds the pod id, if it exists
maas_pod_id()
{
node_name=$1
maas ${maas_profile} pods read | jq -c ".[] | {pod_id:.id, hyp_name:.name}" | \
grep ${node_name} | jq -r ".pod_id"
}
machine_add_tag()
{
system_id=$1
tag=$2
[[ -n "$enable_tagging" ]] && [[ $enable_tagging == "false" ]] && return
# If the tag doesn't exist, then create it
if [[ $(maas ${maas_profile} tag read ${tag}) == "Not Found" ]] ; then
case $tag in
"pod-console-logging")
kernel_opts="console=tty1 console=ttyS0"
;;
*)
kernel_opts=""
;;
esac
tag_create=$(maas ${maas_profile} tags create name=${tag} kernel_opts=${kernel_opts})
fi
# Assign the tag to the machine
tag_update=$(maas ${maas_profile} tag update-nodes ${tag} add=${system_id})
}
machine_set_zone()
{
system_id=$1
zone=$2
if [[ $(maas ${maas_profile} zone read ${zone}) == "Not Found" ]] ; then
zone_create=$(maas ${maas_profile} zones create name=${zone})
fi
zone_set=$(maas ${maas_profile} machine update ${system_id} zone=${zone})
}
# This takes the system_id, and ensures that the machine is in $state state
# You may want to tweak the commission_timeout above in somehow it's failing
# and needs to be done quicker
ensure_machine_in_state()
{
system_id=$1
state=$2
# TODO: add a $3 to be able to customise the timeout
# timout= if [[ $3 == "" ]] ; then state_timeout else $3 ; fi
timeout=${state_timeout}
# The epoch time when this part started
time_start=$(date +%s)
# variable that will be used to check against for the timeout
time_end=${time_start}
# The initial state of the system
status_name=$(maas ${maas_profile} machine read ${system_id} | jq -r ".status_name")
# We will continue to check the state of the machine to see if it is in
# $state or the timeout has occured, which defaults to 20 mins
while [[ ${status_name} != "${state}" ]] && [[ $(( ${time_end} - ${time_start} )) -le ${timeout} ]]
do
# Check every 20 seconds of the state
sleep 20
# Grab the current state
status_name=$(maas ${maas_profile} machine read ${system_id} | jq -r ".status_name")
# Grab the current time to compare against
time_end=$(date +%s)
done
}
# Adds the VM into MAAS
maas_add_node()
{
node_name=$1
mac_addr=$2
node_type=$3
machine_type="vm"
[[ $node_type == "physical" ]] && machine_type="$node_type"
if [[ $machine_type == "vm" ]] ; then
power_type="virsh"
power_params="power_parameters_power_id=${node_name}"
power_params+=" power_parameters_power_address=qemu+ssh://${virsh_user}@${hypervisor_ip}/system"
power_params+=" power_parameters_power_pass=${qemu_password}"
else
power_type="manual"
power_params=""
fi
# Check if the system already exists
system_id=$(maas_system_id ${node_name})
# This command creates the machine in MAAS, if it doesn't already exist.
# This will then automatically turn the machines on, and start
# commissioning.
if [[ -z "$system_id" ]] ; then
machine_create=$(maas ${maas_profile} machines create \
hostname=${node_name} \
mac_addresses=${mac_addr} \
architecture=amd64/generic \
power_type=${power_type} ${power_params})
system_id=$(echo $machine_create | jq -r .system_id)
ensure_machine_in_state ${system_id} "Ready"
maas_assign_networks ${system_id}
else
boot_int=$(maas ${maas_profile} machine read ${system_id} | jq ".boot_interface | {mac:.mac_address, int_id:.id}")
if [[ $mac_addr != "$(echo $boot_int | jq .mac | sed s/\"//g)" ]] ; then
# A quick hack so that we can change the mac address of the interface.
# The machine needs to be broken, ready or allocated.
hack_commission=$(maas $maas_profile machine commission ${system_id})
hack_break=$(maas $maas_profile machine mark-broken ${system_id})
int_update=$(maas $maas_profile interface update ${system_id} $(echo $boot_int | jq -r .int_id) mac_address=${mac_addr})
fi
machine_power_update=$(maas ${maas_profile} machine update ${system_id} \
power_type=${power_type} ${power_params})
commission_node ${system_id}
fi
machine_add_tag ${system_id} ${node_type}
machine_set_zone ${system_id} ${hypervisor_name}
[[ $machine_type == "vm" ]] && machine_add_tag ${system_id} "pod-console-logging"
maas_create_partitions ${system_id}
}
add_dns_record()
{
record=$1
domain=$2
ip_addr=$3
domain_entry=$(add_domain $domain)
domain_id=$(echo $domain_entry | jq .id)
maas admin dnsresources read | jq -rc --arg record "landscape-internal" '.[] | select(.fqdn | contains($record)) |{fqdn:.fqdn,ip:.ip_addresses[].ip}'
}
add_domain()
{
domain=$1
domain_entry=$(maas ${maas_profile} domains read | jq -rc --arg domainname "${domain}" '.[] | select(.name == $domainname)')
[[ -z $domain_exists ]] && domain_entry=$(maas ${maas_profile} domains create name="${domain}" authoritative=true)
echo $domain_entry
}
commission_node()
{
system_id=$1
commission_machine=$(maas ${maas_profile} machine commission ${system_id})
# Ensure that the machine is in ready state before the next step
ensure_machine_in_state ${system_id} "Ready"
maas_assign_networks ${system_id}
}
read_configs()
{
configs=""
configs+=" configs/default.config"
configs+=" configs/maas.config"
if [[ "$0" =~ "manage-vm-nodes" ]] ; then
configs+=" configs/hypervisor.config"
fi
for config in $configs ; do
read_config $config
done
# Dynamically generate the node count
# The amount of memory add on 10% then divide by node_ram then add 1
# For a 32GB machine we'll get 10 VMs altogether
# 1 x 4GB juju, 1 x 8GB controler, 8 x 4GB compute
# The juju VM is not included in the count
node_count=$(( (( `cat /proc/meminfo | grep -i memtotal | awk '{print $2}'` - ( ${control_count} * ${control_ram} * 1024 )) * 11 / 10) / 1024 / ${node_ram} + (7*7/10) ))
}
read_config()
{
config=$1
if [ ! -f $config ]; then
printf "Error: missing config file. Please create the file '$config'.\n"
exit 1
else
shopt -s extglob
source "$config"
fi
}