docker/generate_json_config.sh

   1 #!/bin/bash
   2
   3 KOLLA_DEST=/var/lib/kolla/config_files
   4 JSON_DEST=/var/lib/etc-data/json-config
   5
   6 # For more config file generation, simply define a new SERVICE_DATA_
   7 # prefixed variable. The command string is quoted to include config-file
   8 # arguments. Note that the variable name following SERVICE_DATA_ will be
   9 # the filename the JSON config is written to.
  10
  11 # [EXAMPLE]: SERVICE_DATA_<SERVICE_NAME>=(<command> <source> <dest> <owner> <perms>)
  12
  13 SERVICE_DATA_NOVA_LIBVIRT=("/usr/sbin/libvirtd" libvirtd.conf /etc/libvirt/libvirtd.conf root 0644)
  14 SERVICE_DATA_NOVA_COMPUTE=("/usr/bin/nova-compute" nova.conf /etc/nova/nova.conf nova 0600)
  15 SERVICE_DATA_NEUTRON_OPENVSWITCH_AGENT=("/usr/bin/neutron-openvswitch-agent --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/ml2_conf.ini" neutron.conf /etc/neutron/neutron.conf neutron 0600 ml2_conf.ini /etc/neutron/plugins/ml2/ml2_conf.ini neutron 0600)
  16 SERVICE_DATA_NEUTRON_AGENT=("/usr/bin/neutron-openvswitch-agent --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini" neutron.conf /etc/neutron/neutron.conf neutron 0600 ovs_neutron_plugin.ini /etc/neutron/plugins/openvswitch/ovs_neutron_plugin.ini neutron 0600)
  17 SERVICE_DATA_OVS_VSWITCHD=("/usr/sbin/ovs-vswitchd unix:/run/openvswitch/db.sock -vconsole:emer -vsyslog:err -vfile:info --mlockall --log-file=/var/log/openvswitch/ovs-vswitchd.log")
  18 SERVICE_DATA_OVS_DBSERVER=("/usr/sbin/ovsdb-server /etc/openvswitch/conf.db -vconsole:emer -vsyslog:err -vfile:info --remote=punix:/run/openvswitch/db.sock --log-file=/var/log/openvswitch/ovsdb-server.log")
  19
  20 function create_json_header() {
  21     local command=$1
  22
  23     echo "\
  24 {
  25     \"command\": \"${command[@]}\","
  26
  27 }
  28
  29 function create_config_file_header() {
  30     echo "    \"config_files\": ["
  31 }
  32
  33 function create_config_file_block() {
  34     local source=$KOLLA_DEST/$1
  35     local dest=$2
  36     local owner=$3
  37     local perm=$4
  38
  39     printf "\
  40 \t{
  41 \t    \"source\": \"$source\",
  42 \t    \"dest\": \"$dest\",
  43 \t    \"owner\": \"$owner\",
  44 \t    \"perm\": \"$perm\"
  45 \t}"
  46 }
  47
  48 function add_trailing_comma() {
  49     printf ", \n"
  50 }
  51
  52 function create_config_file_trailer() {
  53     echo -e "\n    ]"
  54 }
  55
  56 function create_json_trailer() {
  57     echo "}"
  58 }
  59
  60 function create_json_data() {
  61     local config_data=$1
  62     shift
  63
  64     create_json_header "$config_data"
  65     create_config_file_header
  66     while [ "$1" ]; do
  67         create_config_file_block "$@"
  68         shift 4
  69         if [ "$1" ]; then
  70             add_trailing_comma
  71         fi
  72     done
  73     create_config_file_trailer
  74     create_json_trailer
  75 }
  76
  77 function write_json_data() {
  78
  79     local name=$1[@]
  80     local service_data=("${!name}")
  81
  82     local service_name=${1#SERVICE_DATA_} # chop SERVICE_DATA_ prefix
  83     service_name=${service_name//_/-}     # switch underscore to dash
  84     service_name=${service_name,,}        # change to lowercase
  85
  86     echo "Creating JSON file ${service_name}"
  87     create_json_data "${service_data[@]}" > "$JSON_DEST/$service_name.json"
  88 }
  89
  90 function process_configs() {
  91     for service in ${!SERVICE_DATA_*}; do
  92         write_json_data "${service}"
  93     done
  94 }
  95
  96 process_configs