Container Infrastructure Management Service for OpenStack
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#!/bin/bash
#
# lib/magnum
# Functions to control the configuration and operation of the **magnum** service
# Dependencies:
#
# - ``functions`` file
# - ``DEST``, ``DATA_DIR``, ``STACK_USER`` must be defined
# - ``SERVICE_{TENANT_NAME|PASSWORD}`` must be defined
# ``stack.sh`` calls the entry points in this order:
#
# - install_magnum
# - configure_magnum
# - create_magnum_conf
# - init_magnum
# - magnum_register_image
# - magnum_configure_flavor
# - start_magnum
# - configure_iptables_magnum
# - configure_apache_magnum
# - stop_magnum
# - cleanup_magnum
# Save trace setting
XTRACE=$(set +o | grep xtrace)
set +o xtrace
# Defaults
# --------
# Set up default directories
MAGNUM_REPO=${MAGNUM_REPO:-${GIT_BASE}/openstack/magnum.git}
MAGNUM_BRANCH=${MAGNUM_BRANCH:-master}
MAGNUM_DIR=$DEST/magnum
GITREPO["python-magnumclient"]=${MAGNUMCLIENT_REPO:-${GIT_BASE}/openstack/python-magnumclient.git}
GITBRANCH["python-magnumclient"]=${MAGNUMCLIENT_BRANCH:-master}
GITDIR["python-magnumclient"]=$DEST/python-magnumclient
MAGNUM_STATE_PATH=${MAGNUM_STATE_PATH:=$DATA_DIR/magnum}
MAGNUM_AUTH_CACHE_DIR=${MAGNUM_AUTH_CACHE_DIR:-/var/cache/magnum}
MAGNUM_CERTIFICATE_CACHE_DIR=${MAGNUM_CERTIFICATE_CACHE_DIR:-/var/lib/magnum/certificate-cache}
MAGNUM_CONF_DIR=/etc/magnum
MAGNUM_CONF=$MAGNUM_CONF_DIR/magnum.conf
MAGNUM_API_PASTE=$MAGNUM_CONF_DIR/api-paste.ini
MAGNUM_POLICY=$MAGNUM_CONF_DIR/policy.yaml
if is_ssl_enabled_service "magnum" || is_service_enabled tls-proxy; then
MAGNUM_SERVICE_PROTOCOL="https"
fi
# Public facing bits
MAGNUM_SERVICE_HOST=${MAGNUM_SERVICE_HOST:-$HOST_IP}
MAGNUM_SERVICE_PORT=${MAGNUM_SERVICE_PORT:-9511}
MAGNUM_SERVICE_PORT_INT=${MAGNUM_SERVICE_PORT_INT:-19511}
MAGNUM_SERVICE_PROTOCOL=${MAGNUM_SERVICE_PROTOCOL:-$SERVICE_PROTOCOL}
MAGNUM_TRUSTEE_DOMAIN_ADMIN_PASSWORD=${MAGNUM_TRUSTEE_DOMAIN_ADMIN_PASSWORD:-secret}
MAGNUM_SWIFT_REGISTRY_CONTAINER=${MAGNUM_SWIFT_REGISTRY_CONTAINER:-docker_registry}
# Support entry points installation of console scripts
if [[ -d $MAGNUM_DIR/bin ]]; then
MAGNUM_BIN_DIR=$MAGNUM_DIR/bin
else
MAGNUM_BIN_DIR=$(get_python_exec_prefix)
fi
MAGNUM_CONFIGURE_IPTABLES=${MAGNUM_CONFIGURE_IPTABLES:-True}
# Functions
# ---------
# Test if any magnum services are enabled
# is_magnum_enabled
function is_magnum_enabled {
[[ ,${ENABLED_SERVICES} =~ ,"magnum-" ]] && return 0
return 1
}
# cleanup_magnum() - Remove residual data files, anything left over from previous
# runs that a clean run would need to clean up
function cleanup_magnum {
sudo rm -rf $MAGNUM_STATE_PATH $MAGNUM_AUTH_CACHE_DIR $MAGNUM_CERTIFICATE_CACHE_DIR
}
# configure_magnum() - Set config files, create data dirs, etc
function configure_magnum {
# Put config files in ``/etc/magnum`` for everyone to find
if [[ ! -d $MAGNUM_CONF_DIR ]]; then
sudo mkdir -p $MAGNUM_CONF_DIR
sudo chown $STACK_USER $MAGNUM_CONF_DIR
fi
# Rebuild the config file from scratch
create_magnum_conf
create_api_paste_conf
}
# create_magnum_accounts() - Set up common required magnum accounts
#
# Project User Roles
# ------------------------------------------------------------------
# SERVICE_PROJECT_NAME magnum service
function create_magnum_accounts {
create_service_user "magnum" "admin"
local magnum_service=$(get_or_create_service "magnum" \
"container-infra" "Container Infrastructure Management Service")
get_or_create_endpoint $magnum_service \
"$REGION_NAME" \
"$MAGNUM_SERVICE_PROTOCOL://$MAGNUM_SERVICE_HOST:$MAGNUM_SERVICE_PORT/v1" \
"$MAGNUM_SERVICE_PROTOCOL://$MAGNUM_SERVICE_HOST:$MAGNUM_SERVICE_PORT/v1" \
"$MAGNUM_SERVICE_PROTOCOL://$MAGNUM_SERVICE_HOST:$MAGNUM_SERVICE_PORT/v1"
}
# create_magnum_conf() - Create a new magnum.conf file
function create_magnum_conf {
# (Re)create ``magnum.conf``
rm -f $MAGNUM_CONF
HOSTNAME=`hostname`
iniset $MAGNUM_CONF DEFAULT debug "$ENABLE_DEBUG_LOG_LEVEL"
iniset $MAGNUM_CONF DEFAULT transport_url \
"rabbit://$RABBIT_USERID:$RABBIT_PASSWORD@$RABBIT_HOST"
iniset $MAGNUM_CONF DEFAULT host "$HOSTNAME"
iniset $MAGNUM_CONF database connection `database_connection_url magnum`
iniset $MAGNUM_CONF api host "$MAGNUM_SERVICE_HOST"
if is_service_enabled tls-proxy; then
iniset $MAGNUM_CONF api port "$MAGNUM_SERVICE_PORT_INT"
iniset $MAGNUM_CONF drivers verify_ca true
iniset $MAGNUM_CONF drivers openstack_ca_file $SSL_BUNDLE_FILE
else
iniset $MAGNUM_CONF api port "$MAGNUM_SERVICE_PORT"
iniset $MAGNUM_CONF drivers verify_ca false
fi
iniset $MAGNUM_CONF cluster temp_cache_dir $MAGNUM_CERTIFICATE_CACHE_DIR
iniset $MAGNUM_CONF oslo_policy policy_file $MAGNUM_POLICY
iniset $MAGNUM_CONF keystone_auth auth_type password
iniset $MAGNUM_CONF keystone_auth username magnum
iniset $MAGNUM_CONF keystone_auth password $SERVICE_PASSWORD
iniset $MAGNUM_CONF keystone_auth project_name $SERVICE_PROJECT_NAME
iniset $MAGNUM_CONF keystone_auth project_domain_id default
iniset $MAGNUM_CONF keystone_auth user_domain_id default
# FIXME(pauloewerton): keystone_authtoken section is deprecated. Remove it
# after deprecation period.
iniset $MAGNUM_CONF keystone_authtoken admin_user magnum
iniset $MAGNUM_CONF keystone_authtoken admin_password $SERVICE_PASSWORD
iniset $MAGNUM_CONF keystone_authtoken admin_tenant_name $SERVICE_PROJECT_NAME
configure_auth_token_middleware $MAGNUM_CONF magnum $MAGNUM_AUTH_CACHE_DIR
iniset $MAGNUM_CONF keystone_auth auth_url $KEYSTONE_AUTH_URI_V3
iniset $MAGNUM_CONF keystone_authtoken www_authenticate_uri $KEYSTONE_SERVICE_URI_V3
iniset $MAGNUM_CONF keystone_authtoken auth_url $KEYSTONE_AUTH_URI_V3
iniset $MAGNUM_CONF keystone_authtoken auth_version v3
if is_fedora || is_suse; then
# magnum defaults to /usr/local/bin, but fedora and suse pip like to
# install things in /usr/bin
iniset $MAGNUM_CONF DEFAULT bindir "/usr/bin"
fi
if [ -n "$MAGNUM_STATE_PATH" ]; then
iniset $MAGNUM_CONF DEFAULT state_path "$MAGNUM_STATE_PATH"
iniset $MAGNUM_CONF oslo_concurrency lock_path "$MAGNUM_STATE_PATH"
fi
if [ "$USE_SYSTEMD" != "False" ]; then
setup_systemd_logging $MAGNUM_CONF
fi
# Format logging
if [ "$LOG_COLOR" == "True" ] && [ "$USE_SYSTEMD" == "False" ]; then
setup_colorized_logging $MAGNUM_CONF DEFAULT
fi
# Register SSL certificates if provided
if is_ssl_enabled_service magnum; then
ensure_certificates MAGNUM
iniset $MAGNUM_CONF DEFAULT ssl_cert_file "$MAGNUM_SSL_CERT"
iniset $MAGNUM_CONF DEFAULT ssl_key_file "$MAGNUM_SSL_KEY"
iniset $MAGNUM_CONF DEFAULT enabled_ssl_apis "$MAGNUM_ENABLED_APIS"
fi
if is_service_enabled ceilometer; then
iniset $MAGNUM_CONF oslo_messaging_notifications driver "messaging"
fi
if is_service_enabled barbican; then
iniset $MAGNUM_CONF certificates cert_manager_type "barbican"
else
iniset $MAGNUM_CONF certificates cert_manager_type "x509keypair"
fi
trustee_domain_id=$(get_or_create_domain magnum 'Owns users and projects created by magnum')
trustee_domain_admin_id=$(get_or_create_user trustee_domain_admin $MAGNUM_TRUSTEE_DOMAIN_ADMIN_PASSWORD $trustee_domain_id)
openstack --os-auth-url $KEYSTONE_SERVICE_URI_V3 \
--os-identity-api-version 3 role add \
--user $trustee_domain_admin_id --domain $trustee_domain_id \
admin
iniset $MAGNUM_CONF trust cluster_user_trust True
iniset $MAGNUM_CONF trust trustee_domain_name magnum
iniset $MAGNUM_CONF trust trustee_domain_admin_name trustee_domain_admin
iniset $MAGNUM_CONF trust trustee_domain_admin_password $MAGNUM_TRUSTEE_DOMAIN_ADMIN_PASSWORD
iniset $MAGNUM_CONF trust trustee_keystone_interface public
iniset $MAGNUM_CONF cinder_client region_name $REGION_NAME
if is_service_enabled swift; then
iniset $MAGNUM_CONF docker_registry swift_region $REGION_NAME
iniset $MAGNUM_CONF docker_registry swift_registry_container $MAGNUM_SWIFT_REGISTRY_CONTAINER
fi
# Get the default volume type from cinder.conf and set the coresponding
# default in magnum.conf
default_volume_type=$(iniget /etc/cinder/cinder.conf DEFAULT default_volume_type)
iniset $MAGNUM_CONF cinder default_docker_volume_type $default_volume_type
iniset $MAGNUM_CONF drivers send_cluster_metrics False
}
function create_api_paste_conf {
# copy api_paste.ini
cp $MAGNUM_DIR/etc/magnum/api-paste.ini $MAGNUM_API_PASTE
}
# create_magnum_cache_dir() - Part of the init_magnum() process
function create_magnum_cache_dir {
# Create cache dir
sudo mkdir -p $1
sudo chown $STACK_USER $1
rm -f $1/*
}
# init_magnum() - Initialize databases, etc.
function init_magnum {
# Only do this step once on the API node for an entire cluster.
if is_service_enabled $DATABASE_BACKENDS && is_service_enabled magnum-api; then
# (Re)create magnum database
recreate_database magnum
# Migrate magnum database
$MAGNUM_BIN_DIR/magnum-db-manage upgrade
fi
create_magnum_cache_dir $MAGNUM_AUTH_CACHE_DIR
create_magnum_cache_dir $MAGNUM_CERTIFICATE_CACHE_DIR
}
# magnum_register_image - Register heat image for magnum with property os_distro
function magnum_register_image {
local magnum_image_property="--property os_distro="
local atomic="$(echo $MAGNUM_GUEST_IMAGE_URL | grep -io 'atomic' || true;)"
if [ ! -z "$atomic" ]; then
magnum_image_property=$magnum_image_property"fedora-atomic --property hw_rng_model=virtio"
fi
local ubuntu="$(echo $MAGNUM_GUEST_IMAGE_URL | grep -io "ubuntu" || true;)"
if [ ! -z "$ubuntu" ]; then
magnum_image_property=$magnum_image_property"ubuntu"
fi
local coreos="$(echo $MAGNUM_GUEST_IMAGE_URL | grep -io "coreos" || true;)"
if [ ! -z "$coreos" ]; then
magnum_image_property=$magnum_image_property"coreos"
fi
# os_distro property for fedora ironic image
local fedora_ironic="$(echo $MAGNUM_GUEST_IMAGE_URL | grep -i "ironic" \
| grep -io "fedora" || true;)"
if [ ! -z "$fedora_ironic" ]; then
magnum_image_property=$magnum_image_property"fedora"
fi
# get the image name
local image_filename=$(basename "$MAGNUM_GUEST_IMAGE_URL")
local image_name=""
for extension in "tgz" "img" "qcow2" "iso" "vhd" "vhdx" "tar.gz" "img.gz" "img.bz2" "vhd.gz" "vhdx.gz"
do
if [ $(expr match "${image_filename}" ".*\.${extension}$") -ne 0 ]; then
image_name=$(basename "$image_filename" ".${extension}")
break
fi
done
if [ -z ${image_name} ]; then
echo "Unknown image extension in $image_filename, supported extensions: tgz, img, qcow2, iso, vhd, vhdx, tar.gz, img.gz, img.bz2, vhd.gz, vhdx.gz"; false
fi
openstack --os-url $GLANCE_SERVICE_PROTOCOL://$GLANCE_HOSTPORT --os-image-api-version 2 image set $image_name $magnum_image_property
}
#magnum_configure_flavor - set hw_rng property for flavor to address the potential entropy issue
function magnum_configure_flavor {
local magnum_flavor_property="--property hw_rng:allowed=True --property hw_rng:rate_bytes=1024 --property hw_rng:rate_period=1"
local FLAVOR_LIST=$(openstack --os-url $NOVA_SERVICE_PROTOCOL://$NOVA_HOSTPORT --os-compute-api-version 2.1 flavor list -c Name -f value)
for flavor in ${FLAVOR_LIST}; do
openstack --os-url $NOVA_SERVICE_PROTOCOL://$NOVA_HOSTPORT --os-compute-api-version 2.1 flavor set $flavor $magnum_flavor_property
done
}
# install_magnumclient() - Collect source and prepare
function install_magnumclient {
if use_library_from_git "python-magnumclient"; then
git_clone_by_name "python-magnumclient"
setup_dev_lib "python-magnumclient"
sudo install -D -m 0644 -o $STACK_USER {${GITDIR["python-magnumclient"]}/tools/,/etc/bash_completion.d/}magnum.bash_completion
fi
}
# install_magnum() - Collect source and prepare
function install_magnum {
git_clone $MAGNUM_REPO $MAGNUM_DIR $MAGNUM_BRANCH
setup_develop $MAGNUM_DIR
}
# start_magnum_api() - Start the API process ahead of other things
function start_magnum_api {
# Get right service port for testing
local service_port=$MAGNUM_SERVICE_PORT
local service_protocol=$MAGNUM_SERVICE_PROTOCOL
if is_service_enabled tls-proxy; then
service_port=$MAGNUM_SERVICE_PORT_INT
service_protocol="http"
fi
run_process magnum-api "$MAGNUM_BIN_DIR/magnum-api"
echo "Waiting for magnum-api to start..."
if ! wait_for_service $SERVICE_TIMEOUT $service_protocol://$MAGNUM_SERVICE_HOST:$service_port; then
die $LINENO "magnum-api did not start"
fi
# Start proxies if enabled
if is_service_enabled tls-proxy; then
start_tls_proxy magnum '*' $MAGNUM_SERVICE_PORT $MAGNUM_SERVICE_HOST $MAGNUM_SERVICE_PORT_INT &
fi
}
# configure_iptables_magnum() - Configure the IP table rules for Magnum
function configure_iptables_magnum {
if [ "$MAGNUM_CONFIGURE_IPTABLES" != "False" ]; then
ROUTE_TO_INTERNET=$(ip route get 8.8.8.8)
OBOUND_DEV=$(echo ${ROUTE_TO_INTERNET#*dev} | awk '{print $1}')
sudo iptables -t nat -A POSTROUTING -o $OBOUND_DEV -j MASQUERADE
# bay nodes will access magnum-api (port $MAGNUM_SERVICE_PORT) to get CA certificate.
sudo iptables -I INPUT -d $HOST_IP -p tcp --dport $MAGNUM_SERVICE_PORT -j ACCEPT || true
# allow access to keystone etc (http and https)
sudo iptables -I INPUT -d $HOST_IP -p tcp --dport 80 -j ACCEPT || true
sudo iptables -I INPUT -d $HOST_IP -p tcp --dport 443 -j ACCEPT || true
fi
}
function configure_apache_magnum {
# Set redirection for kubernetes openstack cloud provider
# FIXME: When [1] is in kubernetes, we won't need the redirection anymore.
# [1] https://github.com/gophercloud/gophercloud/pull/423
HTACCESS_PATH=/var/www/html
if is_ubuntu; then
OVERRIDE_CONF_FILE=/etc/apache2/apache2.conf
elif is_fedora; then
OVERRIDE_CONF_FILE=/etc/httpd/conf/httpd.conf
fi
# If horizon is enabled then we need
if is_service_enabled horizon; then
HTACCESS_PATH=$DEST/horizon/.blackhole
sudo tee -a $APACHE_CONF_DIR/horizon.conf <<EOF
<Directory $HTACCESS_PATH>
Options Indexes FollowSymLinks
AllowOverride all
Require all granted
</Directory>
EOF
else
sudo tee -a $OVERRIDE_CONF_FILE <<EOF
<Directory $HTACCESS_PATH>
Options Indexes FollowSymLinks
AllowOverride all
Require all granted
</Directory>
EOF
fi
sudo mkdir -p $HTACCESS_PATH
sudo tee $HTACCESS_PATH/.htaccess <<EOF
RewriteEngine on
RewriteRule ^v2\.0(.*) /identity/v2.0\$1
RewriteRule ^v3(.*) /identity/v3\$1
EOF
enable_apache_mod rewrite
}
# start_magnum() - Start running processes, including screen
function start_magnum {
# ``run_process`` checks ``is_service_enabled``, it is not needed here
start_magnum_api
run_process magnum-cond "$MAGNUM_BIN_DIR/magnum-conductor"
}
# stop_magnum() - Stop running processes (non-screen)
function stop_magnum {
for serv in magnum-api magnum-cond; do
stop_process $serv
done
}
# Restore xtrace
$XTRACE