Changes to support config-setup service for multi-npu (#4609)
* Changes to support config-setup service for multi-npu platforms. For Multi-npu we are not supporting as of now config initializtion and ZTP. It will support creating config db from minigraph or using config db from previous file system Signed-off-by: Abhishek Dosi <abdosi@microsoft.com> * Address Review Comments. * Address Review comments * Address Review Comments of using pyhton based config load_minigraph/ config save/config reload from shell scripts so that we don't duplicate code. Also while running from shell we will skip stop/start services done by those commands. * Updated to use python command so no code duplication.
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abdosi
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@ -26,7 +26,11 @@
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# Initialize constants
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UPDATEGRAPH_CONF=/etc/sonic/updategraph.conf
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INIT_CFG_JSON=/etc/sonic/init_cfg.json
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CONFIG_DB_JSON=/etc/sonic/config_db.json
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CONFIG_DB_PATH=/etc/sonic/
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CONFIG_DB_PREFIX=config_db
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CONFIG_DB_SUFFIX=.json
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MINGRAPH_FILE=/etc/sonic/minigraph.xml
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TMP_ZTP_CONFIG_DB_JSON=/tmp/ztp_config_db.json
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FACTORY_DEFAULT_HOOKS=/etc/config-setup/factory-default-hooks.d
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@ -103,24 +107,16 @@ run_hookdir() {
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reload_minigraph()
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{
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echo "Reloading minigraph..."
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if [ ! -f /etc/sonic/init_cfg.json ]; then
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echo "{}" > /etc/sonic/init_cfg.json
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fi
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sonic-db-cli CONFIG_DB FLUSHDB
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sonic-cfggen -H -m -j /etc/sonic/init_cfg.json --write-to-db
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sonic-db-cli CONFIG_DB SET "CONFIG_DB_INITIALIZED" "1"
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if [ -f /etc/sonic/acl.json ]; then
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acl-loader update full /etc/sonic/acl.json
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fi
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config qos reload
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pfcwd start_default
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if [[ -x /usr/bin/db_migrator.py ]]; then
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# Set latest version number
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/usr/bin/db_migrator.py -o set_version
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fi
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config load_minigraph -y -n
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config save -y
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}
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# Reload exisitng config db file on disk
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reload_configdb()
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{
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echo "Reloading existing config db..."
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config reload -y -n
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}
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# Restore SONiC configuration from a backup copy
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function copy_config_files_and_directories()
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{
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@ -281,15 +277,49 @@ copy_post_migration_hooks()
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fi
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}
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# Get the list of config db for both
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# single and multi-npu platforms
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get_config_db_file_list()
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{
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config_db_file_list=${CONFIG_DB_PREFIX}${CONFIG_DB_SUFFIX}
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asic_num=0
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while [[ ($asic_num -lt $NUM_ASIC) && ($NUM_ASIC -gt 1) ]]; do
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config_db_file_list+=' '${CONFIG_DB_PREFIX}$asic_num${CONFIG_DB_SUFFIX}
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((asic_num = asic_num + 1))
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done
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echo $config_db_file_list
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}
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# Check if all needed config db are prsesnt for both
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# single and multi-npu platforms
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check_all_config_db_present()
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{
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if [[ ! -r ${CONFIG_DB_JSON} ]]; then
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return 1
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fi
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asic_num=0
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while [[ ($asic_num -lt $NUM_ASIC) && ($NUM_ASIC -gt 1) ]]; do
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if [[ ! -r ${CONFIG_DB_PATH}${CONFIG_DB_PREFIX}$asic_num${CONFIG_DB_SUFFIX} ]]; then
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return 1
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fi
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((asic_num = asic_num + 1))
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done
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return 0
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}
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# Perform configuration migration from backup copy.
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# - This step is performed when a new image is installed and SONiC switch boots into it
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do_config_migration()
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{
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# Identify list of files to migrate
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copy_list="minigraph.xml snmp.yml acl.json config_db.json frr"
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copy_list="minigraph.xml snmp.yml acl.json frr"
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# Migrate all configuration files from old to new
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copy_config_files_and_directories $copy_list
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# Migrate all config_db from old to new
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copy_config_files_and_directories $(get_config_db_file_list)
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# Migrate post-migration hooks
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copy_post_migration_hooks
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@ -302,21 +332,14 @@ do_config_migration()
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disable_updategraph
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rm -f /tmp/pending_config_migration
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exit 0
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elif [ -r ${CONFIG_DB_JSON} ]; then
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elif check_all_config_db_present; then
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echo "Use config_db.json from old system..."
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sonic-cfggen -j ${CONFIG_DB_JSON} --write-to-db
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if [[ -x /usr/bin/db_migrator.py ]]; then
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# Migrate the DB to the latest schema version if needed
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/usr/bin/db_migrator.py -o migrate
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fi
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reload_configdb
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# Disable updategraph
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disable_updategraph
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elif [ -r ${MINGRAPH_FILE} ]; then
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echo "Use minigraph.xml from old system..."
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reload_minigraph
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sonic-cfggen -d --print-data > ${CONFIG_DB_JSON}
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# Disable updategraph
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disable_updategraph
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else
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@ -351,6 +374,14 @@ boot_config()
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do_config_migration
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fi
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# For multi-npu platfrom we don't support config initlaiztion. Assumption
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# is there should be existing minigraph or config_db from previous image
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# file system to trigger. pending_config_initialization will remain set
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# for multi-npu platforms if we reach this case.
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if [[ ($NUM_ASIC -gt 1) ]]; then
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return 0
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fi
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if [ -e /tmp/pending_config_initialization ] || [ -e ${CONFIG_SETUP_INITIALIZATION_FLAG} ]; then
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do_config_initialization
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fi
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@ -373,6 +404,13 @@ boot_config()
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}
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### Execution starts here ###
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PLATFORM=`sonic-cfggen -H -v DEVICE_METADATA.localhost.platform`
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# Parse the device specific asic conf file, if it exists
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ASIC_CONF=/usr/share/sonic/device/$PLATFORM/asic.conf
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if [[ -f "$ASIC_CONF" ]]; then
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source $ASIC_CONF
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fi
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CMD=$1
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# Default command is boot
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@ -3,25 +3,8 @@
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reload_minigraph()
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{
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echo "Reloading minigraph..."
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if [ ! -f /etc/sonic/init_cfg.json ]; then
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echo "{}" > /etc/sonic/init_cfg.json
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fi
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sonic-db-cli CONFIG_DB FLUSHDB
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sonic-cfggen -H -m -j /etc/sonic/init_cfg.json --write-to-db
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sonic-db-cli CONFIG_DB SET "CONFIG_DB_INITIALIZED" "1"
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if [ -f /etc/sonic/acl.json ]; then
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acl-loader update full /etc/sonic/acl.json
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fi
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config qos reload
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DEVICE_TYPE=`sonic-cfggen -m -v DEVICE_METADATA.localhost.type`
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if [ "${DEVICE_TYPE}" != "MgmtToRRouter" ]; then
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pfcwd start_default
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fi
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if [[ -x /usr/bin/db_migrator.py ]]; then
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# Set latest version number
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/usr/bin/db_migrator.py -o set_version
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fi
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config load_minigraph -y -n
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config save -y
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}
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if [ ! -f /etc/sonic/updategraph.conf ]; then
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@ -141,7 +124,6 @@ else
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fi
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reload_minigraph
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sonic-cfggen -d --print-data > /etc/sonic/config_db.json
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# Mark as disabled after graph is successfully downloaded
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sed -i "/enabled=/d" /etc/sonic/updategraph.conf
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