UpdateController/update_psa_impl

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# !/bin/bash -
source ./general_utils
source ./log_helpers
source ./git_helpers
source ./update_psa_helpers
source ./read_config
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source ./news_to_ismas
source ./news_from_ismas
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trap collect_current_configuration EXIT
collect_current_configuration () {
local func="${FUNCNAME[0]}"
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# TODO: eventuell muss die version neu berechnet werden
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current_settings_to_ismas
#for line in $(cat $PSA_UPDATE_CONF |\
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# jq -r .conf.szeged.zg[$ZONE_GROUP].z[$ZONE].etc.psa_config)
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#do
# conf_file="$(echo $line |
# sed -E -ne 's/^[^{}]\s+\"(DC2C_[[:alnum:]]+)\".*$/\1/gp')"
# if ! [ -z $conf_file ]; then
# local v=$(cat "$psa_config_dir/${conf_file}.json" | jq -r .version)
# echo "$conf_file.json version=$v"
# fi
#done
}
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update_psa() {
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if ! updates_available; then # check for false alarm
update_psa_false_alarm "update requested, but no WAIT state detected"
exit $?
fi
update_psa_activated # message to ISMAS
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local try_update_count=0
local func="${FUNCNAME[0]}"
log_debug "$func:${LINENO}: fetch/merge updates..."
# Fetch new updates (using git)
while :
do
local repository_is_already_up_to_date=""
if ! fetch_customer_updates repository_is_already_up_to_date; then
if [ "$repository_is_already_up_to_date" = "yes" ]; then
log_error "$func:${LINENO}: $customer_id is up-to-date"\
"-> no files to update -> no psa update"
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update_psa_false_alarm \
"update request, but no change in $CUSTOMER_REPOSITORY_PATH"
exit $?
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fi
try_updates_count=$((try_updates_count+1))
if [[ "$try_updates_count" -eq 5 ]]; then
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log_error "$func:${LINENO}: fetch/merging failed"
update_psa_pull_error # message to ISMAS
exit $?
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fi
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update_psa_pull_error # message to ISMAS
sleep 10s
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else
# Fetched updates successfully
try_updates_count=0
break
fi
done
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update_psa_pull_customer_repository # message to ISMAS
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# TODO: backup implementieren
# Backup before any updates in case some previous test was wrong
if ! backup_previous_version; then
log_error "$func:${LINENO}: backup failed"
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revert_customer_repository
update_psa_backup_error # message to ISMAS
exit $?
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fi
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update_psa_backup # message to ISMAS
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# TODO: use CLONE_CUSTOMER_REPOSITORY=true
# d.h. wird das rep geklont, also neu angelegt, dann sind eigentlich alle
# dateinen zu ueberpruefen
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local changed_files=$(changed_file_names)
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local files_to_copy=$(filter_changed_files "$changed_files" 'json|ini|hex')
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update_psa_report_changed_file_names $changed_files # message to ISMAS
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# check if *.conf and/or *.ini-files have to md5-sum as denoted
# in update.conf
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if ! check_md5_for_changed_json_and_ini_files "$files_to_copy" ; then
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local __r=$?
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log_error "$func:${LINENO}: new customer files wrong"
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revert_customer_repository
exit $__r
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fi
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if ! check_hardware_compatibility "$files_to_copy" ; then
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local __r=$?
log_error "$func:${LINENO}: json/ini-files not fit for PSA"
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revert_customer_repository
exit $__r
fi
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# copy *.conf and/or *.ini-files to their corresponding system-directories
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if ! copy $files_to_copy; then
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local __r=$?
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log_error "$func:${LINENO}: copy operation failed"
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revert_customer_repository
exit $__r
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fi
# check if the opkg-command-file has been changed during 'git pull'
if grep -qE ".*opkg_commands.*?" <<< $changed_files; then
# read opkg_cmds: each line respresents an opkg-command
readarray opkg_commands < <(cat $opkg_cmds_file)
for opkg_c in "${opkg_commands[@]}"; do
if grep -qE "^\s*[#]+.*$" <<< $opkg_c; then
continue # found comment line
fi
# package manipulation commands without package:
local cwp="update|upgrade|clean"
# informational commands without package:
cwp="${cwp}|list|list-installed|list-upgradable"
if grep -qE "^.*\s+($cwp)\s+.*$" <<< $opkg_c; then
local p=$(printf '%s' "$opkg_c" | awk '{ print $NF }')
local opkg_output=()
if ! exec_opkg_info "$p" opkg_output; then
log_error "$func:${LINENO}: opkg info $opkg_c failed"
revert_customer_repository ; exit 1
fi
if ! check_md5_for_opkg_packages opkg_output; then
log_error "$func:${LINENO}: "\
"wrong md5sum for opkg packages"
revert_customer_repository ; exit 1
fi
fi
# perform a dry-run and check if everything might work as expected.
if ! exec_opkg_noaction $opkg_c; then
log_error "$func:${LINENO}: "\
"opkg --noaction $opkg_c failed"
fi
# Actually execute the opkg command
if ! exec_opkg $opkg_c; then
log_error "$func:${LINENO}: exec_opkg $opkg_c failed"
fallback_to_previous_version
revert_customer_repository ; exit 1
fi
done
else
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log_info "$func:${LINENO}: no opkg commands to execute"
update_psa_install_opkg_packages $UPDATE_ISMAS_PROGRESS \
$RC_SUCCESS "no opkg commands to execute"
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fi
# Cleanup.
if ! cleanup_previous_version; then
log_error "$func:${LINENO}: cleanup_previous_version failed"
fi
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# compute version string for current (i.e. new) version
compute_version
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update_psa_cleanup $UPDATE_ISMAS_PROGRESS \
$RC_SUCCESS "cleanup after psa update"
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exit 0
}