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rpm: improve process timing for safety
Points * FROM-package just leaves tmp files if it supports the features. * TO-package trigger the features if there are those tmp files. * Thus, can ensure that both FROM and TO support the feature. * Make installing plugin and restarting the same condition. * Disable `%systemd_postun_with_restart` completely to align specifications with DEB. Before 1. to-pre(2): Collect plugin-list. 2. Install TO-package 3. to-post(2): Install plugin. 4. from-preun(1): Do nothing. 5. Uninstall FROM-package 6. from-postun(1): Restart if need. After 1. to-pre(2): Collect plugin-list. 2. Install TO-package 3. to-post(2): Do nothing. 4. from-preun(1): * Check auto or not. * Leave plugin-install flag and pid if need. 5. Uninstall FROM-package 6. from-postun(1): Disable `%systemd_postun_with_restart`. 7. to-posttrans: Install plugin and restart if need. Signed-off-by: Daijiro Fukuda <[email protected]>
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Original file line number | Diff line number | Diff line change |
---|---|---|
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@@ -33,6 +33,8 @@ | |
%define v4migration_old_rotate_config_saved /tmp/@PACKAGE_DIR@/.old_rotate_config | ||
%define v4migration_enabled_service /tmp/@PACKAGE_DIR@/.v4migration_enabled_service | ||
%define local_base_plugins /tmp/@PACKAGE_DIR@/.local_base_plugins | ||
%define install_plugins /tmp/@PACKAGE_DIR@/.install_plugins | ||
%define pid_for_auto_restart /tmp/@PACKAGE_DIR@/.pid_for_auto_restart | ||
|
||
# Omit the brp-python-bytecompile automagic because post hook for ffi fails on AmazonLinux 2. | ||
%if %{_amazon_ver} == 2 | ||
|
@@ -188,16 +190,33 @@ else | |
fi | ||
fi | ||
if [ $1 -eq 2 ]; then | ||
. %{_sysconfdir}/sysconfig/@SERVICE_NAME@ | ||
echo "pre FLUENT_PACKAGE_SERVICE_RESTART: $FLUENT_PACKAGE_SERVICE_RESTART" | ||
if [ "$FLUENT_PACKAGE_SERVICE_RESTART" = auto ]; then | ||
# collect installed gems during upgrading | ||
# Collect plugin-list. | ||
# Note: This should be done in %preun(1) of FROM-side, but we have no choice but to do this here | ||
# because it needs to be done before installing files (it replaces embedded Ruby env). | ||
if [ -e /usr/sbin/fluent-gem ]; then | ||
/usr/sbin/fluent-gem list '^fluent-plugin-' --no-versions --no-verbose > %{local_base_plugins} | ||
fi | ||
fi | ||
|
||
%preun | ||
%systemd_preun @[email protected] | ||
if [ $1 -eq 1 ]; then | ||
# systemctl ... --property=MainPID --value is available since systemd 230 or later. | ||
# thus for amazonlinux:2, it can not be used. | ||
pid="$(systemctl show "@SERVICE_NAME@" --property=MainPID | cut -d'=' -f2)" | ||
if [ "$pid" -eq 0 ]; then | ||
echo "Do not use auto restart because the service is not active" | ||
else | ||
. %{_sysconfdir}/sysconfig/@SERVICE_NAME@ | ||
echo "FLUENT_PACKAGE_SERVICE_RESTART: $FLUENT_PACKAGE_SERVICE_RESTART" | ||
if [ "$FLUENT_PACKAGE_SERVICE_RESTART" = auto ]; then | ||
# Present that FROM-side wants auto installing plugins and restarting. | ||
# Note: Wants to collect plugin-list here, but we need to do it in %pre (see comments in %pre). | ||
touch %{install_plugins} | ||
echo "$pid" > %{pid_for_auto_restart} | ||
fi | ||
fi | ||
fi | ||
|
||
%post | ||
%systemd_post @[email protected] | ||
|
@@ -291,51 +310,9 @@ if [ -f "%{_sysconfdir}/prelink.conf" ]; then | |
%{__sed} -i"" %{_sysconfdir}/prelink.conf -e "/\/opt\/td-agent\/bin\/ruby/d" | ||
fi | ||
fi | ||
if [ $1 -eq 2 ]; then | ||
# install missing plugins during upgrading package | ||
if [ -f %{local_base_plugins} ]; then | ||
local_current_plugins=$(/usr/sbin/fluent-gem list '^fluent-plugin-' --no-versions --no-verbose) | ||
if ! grep --fixed-strings --line-regexp --invert-match "$local_current_plugins" %{local_base_plugins}; then | ||
echo "No missing plugins to install" | ||
else | ||
if ! curl --fail --silent -O https://rubygems.org/specs.4.8.gz; then | ||
echo "No network connectivity..." | ||
else | ||
grep --fixed-strings --line-regexp --invert-match "$local_current_plugins" %{local_base_plugins} | while read missing_gem | ||
do | ||
if ! /usr/sbin/fluent-gem install --no-document $missing_gem; then | ||
echo "Can't install missing plugin automatically: please install $missing_gem manually." | ||
fi | ||
done | ||
fi | ||
fi | ||
rm -f %{local_base_plugins} | ||
fi | ||
fi | ||
|
||
%postun | ||
if [ $1 -eq 1 ]; then | ||
# Control service during upgrading | ||
. %{_sysconfdir}/sysconfig/@SERVICE_NAME@ | ||
echo "postun FLUENT_PACKAGE_SERVICE_RESTART: $FLUENT_PACKAGE_SERVICE_RESTART" | ||
if [ "$FLUENT_PACKAGE_SERVICE_RESTART" = "auto" ]; then | ||
# systemctl ... --property=MainPID --value is available since systemd 230 or later. | ||
# thus for amazonlinux:2, it can not be used. | ||
pid=$(systemctl show fluentd --property=MainPID | cut -d'=' -f2) | ||
if [ $pid -gt 0 ]; then | ||
echo "Kick auto service upgrade mode to MainPID:$pid" | ||
kill -USR2 $pid | ||
else | ||
# no running fluentd service | ||
echo "Suppress auto service upgrade mode to MainPID:$pid" | ||
fi | ||
elif [ "$FLUENT_PACKAGE_SERVICE_RESTART" = "manual" ]; then | ||
echo "No need to restart service in manual mode..." | ||
else | ||
# no support for upgrading without downtime | ||
%systemd_postun_with_restart @[email protected] | ||
fi | ||
fi | ||
# Disable systemd_postun_with_restart to manage restart on the package side. | ||
if [ $1 -eq 0 ]; then | ||
# Uninstall | ||
# Without this uninstall conditional guard block ($1 -eq 0), symlink | ||
|
@@ -400,6 +377,31 @@ if [ -f %{v4migration} ]; then | |
rm -f %{v4migration_with_restart} | ||
fi | ||
fi | ||
if [ -f %{install_plugins} ] && [ -f %{local_base_plugins} ]; then | ||
local_current_plugins=$(/usr/sbin/fluent-gem list '^fluent-plugin-' --no-versions --no-verbose) | ||
if ! grep --fixed-strings --line-regexp --invert-match "$local_current_plugins" %{local_base_plugins}; then | ||
echo "No missing plugins to install" | ||
else | ||
if ! curl --fail --silent -O https://rubygems.org/specs.4.8.gz; then | ||
echo "No network connectivity..." | ||
else | ||
grep --fixed-strings --line-regexp --invert-match "$local_current_plugins" %{local_base_plugins} | while read missing_gem | ||
do | ||
if ! /usr/sbin/fluent-gem install --no-document $missing_gem; then | ||
echo "Can't install missing plugin automatically: please install $missing_gem manually." | ||
fi | ||
done | ||
fi | ||
fi | ||
rm -f %{install_plugins} | ||
rm -f %{local_base_plugins} | ||
fi | ||
if [ -f %{pid_for_auto_restart} ]; then | ||
pid=$(cat %{pid_for_auto_restart}) | ||
echo "Kick auto restart to MainPID:$pid" | ||
kill -USR2 $pid | ||
rm -f %{pid_for_auto_restart} | ||
fi | ||
|
||
%files | ||
%doc README.md | ||
|
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