maas-autobuilder/bootstrap-maas.sh

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#!/bin/bash
# set -x
. functions.sh
required_bins=( ip sudo debconf-set-selections )
check_bins() {
# Append any needed binaries we need to check for, to our list
if [[ $1 ]]; then
required_bins+=("$1")
fi
for binary in "${required_bins[@]}"; do
if ! [ -x "$(command -v "$binary")" ]; then
printf "Error: Necessary program '%s' is not installed. Please fix, aborting now.\n\n" "$binary" >&2
exit 1
fi
done
}
read_config() {
if [ ! -f configs/maas.config ]; then
printf "Error: missing config file. Please create the file 'maas.config'.\n"
exit 1
else
shopt -s extglob
maas_config="configs/maas.config"
source "$maas_config"
fi
if [[ $maas_pkg_type != "snap" ]] && [ ! -f maas.debconf ]; then
printf "Error: missing debconf file. Please create the file 'maas.debconf'.\n"
exit 1
fi
}
# Initialize some vars we'll reuse later in the build, bootstrap
init_variables() {
echo "MAAS Endpoint: $maas_endpoint"
echo "MAAS Proxy: $maas_local_proxy"
core_packages=( jq moreutils uuid )
maas_packages=( maas maas-cli maas-proxy maas-dhcp maas-dns maas-rack-controller maas-region-api maas-common )
pg_packages=( postgresql postgresql-client postgresql-client-common postgresql-common )
maas_snaps=( maas maas-test-db )
}
remove_maas_deb() {
# Drop the MAAS db ("maasdb"), so we don't risk reusing it
sudo -u postgres psql -c "select pg_terminate_backend(pid) from pg_stat_activity where datname='maasdb'"
sudo -u postgres psql -c "drop database maasdb"
# Remove everything, start clean and clear from the top
sudo DEBIAN_FRONTEND=noninteractive apt-get -y remove --purge "${maas_packages[@]}" "${pg_packages[@]}" && \
sudo apt-get -fuy autoremove
# Yes, they're removed but we want them PURGED, so this becomes idempotent
for package in "${maas_packages[@]}" "${pg_packages[@]}"; do
sudo dpkg -P "$package"
done
sudo apt-add-repository ppa:maas/${maas_version} -y -r
}
remove_maas_snap() {
sudo snap remove --purge ${maas_snaps[@]}
}
install_maas_deb() {
sudo apt-add-repository ppa:maas/${maas_version} -y
# This is separate from the removal, so we can handle them atomically
sudo apt-get -fuy --reinstall install "${core_packages}" "${maas_packages[@]}" "${pg_packages[@]}"
sudo sed -i 's/DISPLAY_LIMIT=5/DISPLAY_LIMIT=100/' /usr/share/maas/web/static/js/bundle/maas-min.js
}
install_maas_snap() {
sudo apt-get -fuy --reinstall install "${core_packages}"
# When we specify the channel, we have to install the snaps individually
for snap in ${maas_snaps[*]} ; do
sudo snap install ${snap} --channel=$maas_version/stable
done
}
purge_admin_user() {
read -r -d '' purgeadmin <<EOF
with deleted_user as (delete from auth_user where username = '$maas_profile' returning id),
deleted_token as (delete from piston3_token where user_id = (select id from deleted_user)),
deleted_ssh_id as (delete from maasserver_sshkey where user_id = (select id from deleted_user)),
deleted_userprofile as (delete from maasserver_userprofile where user_id = (select id from deleted_user))
delete from piston3_consumer where user_id = (select id from deleted_user);
EOF
[[ $maas_pkg_type == "snap" ]] && maas-test-db.psql -c "$purgeadmin" maasdb
[[ $maas_pkg_type == "deb" ]] && sudo -u postgres psql -c "$purgeadmin" maasdb
}
build_maas() {
# Create the initial 'admin' user of MAAS, purge first!
purge_admin_user
[[ $maas_pkg_type == "snap" ]] && maas init region+rack --database-uri maas-test-db:/// --maas-url $maas_endpoint --force
sudo maas createadmin --username "$maas_profile" --password "$maas_pass" --email "$maas_profile"@"$maas_pass" --ssh-import lp:"$launchpad_user"
if [[ $maas_pkg_type == "deb" ]] ; then
sudo chsh -s /bin/bash maas
sudo chown -R maas:maas /var/lib/maas
fi
if [ -f ~/.maas-api.key ]; then
rm ~/.maas-api.key
fi
maas_cmd="maas-region"
[[ $maas_pkg_type == "snap" ]] && maas_cmd="maas"
maas_api_key="$(sudo ${maas_cmd} apikey --username $maas_profile | head -n 1 | tee ~/.maas-api.key)"
# Fetch the MAAS API key, store to a file for later reuse, also set this var to that value
maas login "$maas_profile" "$maas_endpoint" "$maas_api_key"
maas_system_id="$(maas $maas_profile nodes read hostname="$HOSTNAME" | jq -r '.[].interface_set[0].system_id')"
# Inject the maas SSH key if it exists
if [ -f ~/.ssh/maas_rsa.pub ]; then
maas_ssh_key=$(<~/.ssh/maas_rsa.pub)
maas $maas_profile sshkeys create "key=$maas_ssh_key"
fi
# Update settings to match our needs
maas $maas_profile maas set-config name=default_storage_layout value=lvm
maas $maas_profile maas set-config name=network_discovery value=disabled
maas $maas_profile maas set-config name=active_discovery_interval value=0
maas $maas_profile maas set-config name=dnssec_validation value=no
maas $maas_profile maas set-config name=enable_analytics value=false
maas $maas_profile maas set-config name=enable_third_party_drivers value=false
maas $maas_profile maas set-config name=curtin_verbose value=true
[[ -n "$maas_upstream_dns" ]] && maas $maas_profile maas set-config name=upstream_dns value="${maas_upstream_dns}"
[[ -n "$maas_kernel_opts" ]] && maas $maas_profile maas set-config name=kernel_opts value="${maas_kernel_opts}"
[[ -n "$maas_name" ]] && maas $maas_profile maas set-config name=maas_name value=${maas_name}
if [[ -n "$squid_proxy" ]] ; then
maas $maas_profile maas set-config name=enable_http_proxy value=true
maas $maas_profile maas set-config name=http_proxy value="$squid_proxy"
fi
[[ -n "$maas_boot_source" ]] && maas $maas_profile boot-source update 1 url="$maas_boot_source"
[[ -n "$package_repository" ]] && maas $maas_profile package-repository update 1 name='main_archive' url="$package_repository"
# Ensure that we are only grabbing amd64 and not other arches as well
maas $maas_profile boot-source-selection update 1 1 arches="amd64"
# The release that is is downloading by default
default_release=$(maas $maas_profile boot-source-selection read 1 1 | jq .release | sed s/\"//g)
# Add bionic if the default is focal, or vice-versa
[[ $default_release == "focal" ]] && other_release="bionic"
[[ $default_release == "bionic" ]] && other_release="focal"
[[ -n "$other_release" ]] && maas ${maas_profile} boot-source-selections create 1 os="ubuntu" release="${other_release}" arches="amd64" subarches="*" labels="*"
# Import the base images; this can take some time
echo "Importing boot images, please be patient, this may take some time..."
maas $maas_profile boot-resources import
# This is hacky, but it's the only way I could find to reliably get the
# correct subnet for the maas bridge interface
maas $maas_profile subnet update "$(maas $maas_profile subnets read | jq -rc --arg maas_ip "$maas_ip_range" '.[] | select(.name | contains($maas_ip)) | "\(.id)"')" \
gateway_ip="$maas_bridge_ip" dns_servers="$maas_bridge_ip"
sleep 3
i=0
for space in ${maas_spaces[*]} ; do
fabric_id=$(maas admin fabrics read | jq ".[] | {id:.id, vlan:.vlans[].vid, fabric:.name}" --compact-output | grep fabric-0 | jq ".id")
space_object=$(maas ${maas_profile} spaces create name=${space})
echo $space_object | jq .
space_id=$(echo $space_object | jq ".id")
vlan_object=$(maas ${maas_profile} vlans create fabric-0 vid=${maas_vlans[$i]} space=${space_id})
echo $vlan_object | jq .
vlan_id=$(echo $vlan_object | jq ".id")
subnet_id=$(maas $maas_profile subnets read | jq -rc --arg maas_ip "${maas_subnets[$i]}" '.[] | select(.name | contains($maas_ip)) | "\(.id)"')
maas ${maas_profile} subnet update $subnet_id vlan=${vlan_id}
maas_int_id=$(maas ${maas_profile} interfaces read ${maas_system_id} | jq -rc --arg int_ip "${maas_subnets[$i]}" '.[] | select(.links[].subnet.name | contains($int_ip)) | "\(.id)"')
maas ${maas_profile} interface update ${maas_system_id} ${maas_int_id} vlan=${vlan_id}
if [[ $space != "external" ]] ; then
maas ${maas_profile} ipranges create type=dynamic start_ip="${maas_subnets[$i]}.${maas_dhcp_start_postfix}" end_ip="${maas_subnets[$i]}.${maas_dhcp_end_postfix}"
maas $maas_profile vlan update fabric-0 ${maas_vlans[$i]} dhcp_on=True primary_rack="$maas_system_id"
# Force MAAS to manage all subnets except for external
maas $maas_profile subnet update $subnet_id managed=False
maas $maas_profile subnet update $subnet_id managed=True
fi
(( i++ ))
done
if [[ $maas_pkg_type == "deb" ]]; then
# This is needed, because it points to localhost by default and will fail to
# commission/deploy in this state
echo "DEBUG: ${maas_endpoint}"
sudo debconf-set-selections maas.debconf
sleep 2
# sudo maas-rack config --region-url "${maas_endpoint}" && sudo service maas-rackd restart
sudo DEBIAN_FRONTEND=noninteractive dpkg-reconfigure maas-rack-controller
sleep 2
sudo DEBIAN_FRONTEND=noninteractive dpkg-reconfigure maas-region-controller
sudo service maas-rackd restart
sleep 5
fi
}
bootstrap_maas() {
until [ "$(maas $maas_profile boot-resources is-importing)" = false ]; do sleep 3; done;
# Add a chassis with nodes we want to build against
[[ -n "$virsh_chassis" ]] && maas $maas_profile machines add-chassis chassis_type=virsh prefix_filter=maas-node hostname="$virsh_chassis"
# This is necessary to allow MAAS to quiesce the imported chassis
echo "Pausing while chassis is imported..."
sleep 10
# Commission those nodes (requires that image import step has completed)
maas $maas_profile machines accept-all
# Grab the first node in the chassis and commission it
# maas_node=$(maas $maas_profile machines read | jq -r '.[0].system_id')
# maas "$maas_profile" machine commission -d "$maas_node"
# Acquire all machines marked "Ready"
# maas $maas_profile machines allocate
# Deploy the node you just commissioned and acquired
# maas "$maas_profile" machine deploy $maas_node
}
add_dns_records()
{
i=0
for dns_name in ${maas_dns_names[*]} ; do
add_records=""
dns_name_result=$(maas ${maas_profile} dnsresources read name=${dns_name}-internal)
if [[ -n $(echo $dns_name_result | jq .[]) ]] ; then
dns_id=$(echo $dns_name_result | jq .[].id)
dns_ip=$(maas ${maas_profile} dnsresource update ${dns_id} fqdn=${dns_name}-internal.example.com ip_addresses=${maas_ip_range}.${maas_dns_ips[$i]})
else
dns_ip=$(maas ${maas_profile} dnsresources create fqdn=${dns_name}-internal.example.com ip_addresses=${maas_ip_range}.${maas_dns_ips[$i]})
fi
dns_cname_result=$(maas ${maas_profile} dnsresource-records read rrtype=CNAME name=${dns_name})
if [[ -n $(echo $dns_cname_result | jq .[]) ]] ; then
dns_id=$(echo $dns_cname_result | jq .[].id)
dns_cname=$(maas ${maas_profile} dnsresource-record update ${dns_id} rrtype=cname rrdata=${dns_name}-internal.example.com.)
else
dns_cname=$(maas ${maas_profile} dnsresource-records create fqdn=${dns_name}.example.com rrtype=cname rrdata=${dns_name}-internal.example.com.)
fi
(( i++ ))
done
}
# These are for juju, adding a cloud matching the customer/reproducer we need
add_cloud() {
if ! [ -x "$(command -v juju)" ]; then
sudo snap install juju --channel "$juju_version"
fi
rand_uuid=$(uuid -F siv)
cloud_name="$1"
if [ -f ~/.maas-api.key ]; then
maas_api_key=$(<~/.maas-api.key)
fi
cat > clouds-"$rand_uuid".yaml <<EOF
clouds:
$cloud_name:
type: maas
auth-types: [ oauth1 ]
description: MAAS cloud for $cloud_name
# endpoint: ${maas_endpoint:0:-8}
endpoint: $maas_endpoint
config:
enable-os-refresh-update: true
enable-os-upgrade: false
logging-config: <root>=DEBUG
EOF
if [[ -n "$package_repository" ]] ; then
cat >> clouds-"$rand_uuid".yaml <<EOF
apt-mirror: $package_repository
EOF
fi
# Only add the proxy stuff if its set
if [[ -n "$squid_proxy" ]] ; then
cat >> clouds-"$rand_uuid".yaml <<EOF
apt-http-proxy: $squid_proxy
apt-https-proxy: $squid_proxy
snap-http-proxy: $squid_proxy
snap-https-proxy: $squid_proxy
# snap-store-proxy: $snap_store_proxy
EOF
fi
cat > credentials-"$rand_uuid".yaml <<EOF
credentials:
$cloud_name:
$cloud_name-auth:
auth-type: oauth1
maas-oauth: $maas_api_key
EOF
cat > config-"$rand_uuid".yaml <<EOF
automatically-retry-hooks: true
mongo-memory-profile: default
default-series: bionic
transmit-vendor-metrics: false
EOF
# Only add the proxy stuff if its set
if [[ -n "$squid_proxy" ]] ; then
cat >> config-"$rand_uuid".yaml <<EOF
juju-ftp-proxy: $squid_proxy
juju-http-proxy: $squid_proxy
juju-https-proxy: $squid_proxy
juju-no-proxy: $no_proxy
apt-http-proxy: $squid_proxy
apt-https-proxy: $squid_proxy
EOF
fi
echo "Adding cloud............: $cloud_name"
# juju add-cloud --replace "$cloud_name" clouds-"$rand_uuid".yaml
juju update-cloud "$cloud_name" --local -f clouds-"$rand_uuid".yaml
echo "Adding credentials for..: $cloud_name"
#juju add-credential --replace "$cloud_name" -f credentials-"$rand_uuid".yaml
juju add-credential "$cloud_name" --local -f credentials-"$rand_uuid".yaml
echo "Details for cloud.......: $cloud_name..."
juju clouds --local --format json | jq --arg cloud "$cloud_name" '.[$cloud]'
juju bootstrap "$cloud_name" --debug --config=config-"$rand_uuid".yaml --constraints "tags=juju"
# Since we created ephemeral files, let's wipe them out. Comment if you want to keep them around
if [[ $? = 0 ]]; then
rm -f clouds-"$rand_uuid".yaml credentials-"$rand_uuid".yaml config-"$rand_uuid".yaml
fi
# Only enable HA if the variable is set and true
[[ -n "$juju_ha" ]] && [[ $juju_ha == "true" ]] && juju enable-ha --constraints "tags=juju"
juju machines -m controller
}
# Let's get rid of that cloud and clean up after ourselves
destroy_cloud() {
cloud_name="$1"
juju --debug clouds --format json | jq --arg cloud "$cloud_name" '.[$cloud]'
juju --debug remove-cloud "$cloud_name"
}
show_help() {
echo "
-a <cloud_name> Do EVERYTHING (maas, juju cloud, juju bootstrap)
-b Build out and bootstrap a new MAAS
-d Add DNS records for VIPs
-c <cloud_name> Add a new cloud + credentials
-i Just install the dependencies and exit
-j <name> Bootstrap the Juju controller called <name>
-n Create MAAS kvm nodes (to be imported into chassis)
-r Remove the entire MAAS server + dependencies
-t <cloud_name> Tear down the cloud named <cloud_name>
"
}
if [ $# -eq 0 ]; then
printf "%s needs options to function correctly. Valid options are:" "$0"
show_help
exit 0
fi
# Load up some initial variables from the config and package arrays
read_config
init_variables
# This is the proxy that MAAS itself uses (the "internal" MAAS proxy)
no_proxy="localhost,127.0.0.1,$maas_system_ip,$(echo $maas_ip_range.{100..200} | sed 's/ /,/g')"
while getopts ":a:bc:dij:nt:r" opt; do
case $opt in
a )
check_bins
remove_maas_${maas_pkg_type}
install_maas_${maas_pkg_type}
build_maas
bootstrap_maas
add_cloud "$OPTARG"
;;
b )
echo "Building out a new MAAS server"
check_bins
install_maas_${maas_pkg_type}
build_maas
bootstrap_maas
exit 0
;;
c )
check_bins maas
init_variables
add_cloud "$OPTARG"
;;
d )
maas_login
add_dns_records
;;
i )
echo "Installing MAAS and PostgreSQL dependencies"
install_maas_${maas_pkg_type}
exit 0
;;
j )
echo "Bootstrapping Juju controller $OPTARG"
add_cloud "$OPTARG"
exit 0
;;
r )
remove_maas_${maas_pkg_type}
exit 0
;;
t )
destroy_cloud "$OPTARG"
exit 0
;;
\? )
printf "Unrecognized option: -%s. Valid options are:" "$OPTARG" >&2
show_help
exit 1
;;
: )
printf "Option -%s needs an argument.\n" "$OPTARG" >&2
show_help
echo ""
exit 1
;;
esac
done