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File sapconf.spec of Package sapconf

#
# spec file for package sapconf
#
# Copyright (c) 2019-2024 SUSE LLC
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via https://bugs.opensuse.org/
#

%if ! %{defined _fillupdir}
  %define _fillupdir /var/adm/fillup-templates
%endif

Name:           sapconf
Version:        5.0.7
Release:        0
Summary:        Kernel Parameter Initializiation for SAP Systems
License:        LGPL-2.1-or-later
Group:          Productivity/Other
Url:            https://www.suse.com/partners/alliance/sap/
PreReq:         %fillup_prereq
Source0:        %name-%version.tar.gz
BuildArch:      noarch
Requires:       bc
Requires:       systemd >= 234-24.42
Requires:       sysstat
Requires:       uuidd
Requires:       logrotate
Requires:       /usr/bin/cpupower
%if 0%{?sle_version} >= 150400
Requires:       sysctl-logger
%endif
Suggests:       cron
%{?systemd_requires}

%description
The utility adjusts operating system parameters, such as kernel
tuning settings and resource limits, to allow running various
SAP solutions at satisfactory performance.

Authors:
--------
    Angela Briel, Howard Guo

%prep
%setup -q

%build

%install
mkdir -p %{buildroot}%{_libexecdir}/%{name}/
install -m 0755 lib/%{name} %{buildroot}%{_libexecdir}/%{name}/
install -m 0644 lib/common.sh %{buildroot}%{_libexecdir}/%{name}/
install -m 0644 lib/util.sh %{buildroot}%{_libexecdir}/%{name}/
install -m 0755 lib/sccu.sh %{buildroot}%{_libexecdir}/%{name}/
install -m 0755 lib/mv_tuned_conf.sh %{buildroot}%{_libexecdir}/%{name}/
install -m 0755 lib/adapt2newSNvalues.sh %{buildroot}%{_libexecdir}/%{name}/
install -m 0755 lib/sc_hooks.sh %{buildroot}%{_libexecdir}/%{name}/
install -D -m 755 lib/supportconfig-sapconf %{buildroot}%{_libexecdir}/supportconfig/plugins/%{name}

mkdir -p %{buildroot}%{_localstatedir}/lib/%{name}/saved_configs
mkdir -p %{buildroot}%{_unitdir}/systemd/system/ %{buildroot}%{_sbindir}/
install -m 0644 sapconf.service %{buildroot}%{_unitdir}/
install -m 0755 bin/* %{buildroot}%{_sbindir}/
ln -s /usr/sbin/service %{buildroot}%{_sbindir}/rcsapconf

mkdir -p %{buildroot}%{_mandir}/{man5,man7}/
install -m 0644 man/*.5 %{buildroot}%{_mandir}/man5/
install -m 0644 man/*.7 %{buildroot}%{_mandir}/man7/

mkdir -p %{buildroot}/%{_sysconfdir}/logrotate.d
install -m 0644 logrotate/%{name} %{buildroot}/%{_sysconfdir}/logrotate.d/

mkdir -p %{buildroot}/%{_fillupdir}/
pushd sysconfig
for file in *; do
    cp "$file" "%{buildroot}/%{_fillupdir}/sysconfig.$file"
done
popd

%pre
%service_add_pre sapconf.service
if [ $1 -eq 1 ]; then
    # package initial install
    # check, if old config files from a former installation still exist
    SC=/etc/sysconfig/
    for f in sapconf sapnote-1557506 sapnote-1680803; do
        if [ -f "${SC}${f}" ]; then
            mv "${SC}${f}" "${SC}${f}".rpmold || :
        fi
    done
else
    # package update
    # to prevent sapconf related tuned error messages anytime after this
    # sapconf package installation switch off tuned to remove the 'active'
    # sapconf profile
    # 'tuned-adm off' is sadly the only possibility to remove an 'active'
    # sapconf profile
    #
    # check for active tuned
    systemctl -q is-active tuned && [[ $(cat /etc/tuned/active_profile 2>/dev/null) == sap-* || $(cat /etc/tuned/active_profile 2>/dev/null) == sapconf ]] && (echo "found active tuned with a sap related profile"; touch /run/sapconf_tuned_removal_started; mkdir -p /run/sapconf; touch /run/sapconf/active; tuned-adm off; > /etc/tuned/active_profile 2>/dev/null) || :
    # if the tuned profile is a sap related profile, try to switch off tuned
    # if 'tuned-adm off' before had worked, the profile is empty
    # if not try again
    [[ $(cat /etc/tuned/active_profile 2>/dev/null) == sap-* || $(cat /etc/tuned/active_profile 2>/dev/null) == sapconf ]] && (echo "found a sap related tuned profile, try to switch off tuned"; tuned-adm off || systemctl stop tuned.service) || :
    # check for enabled and/or active sapconf.service
    sc_active=$(systemctl is-active sapconf.service 2>/dev/null) || :
    ([[ "$sc_active" == "activating" ]] || [[ "$sc_active" == "deactivating" ]] || [[ "$sc_active" == "active" ]]) && (echo "found active sapconf.service ($sc_active)"; touch /run/sapconf_pre_actss_found) || :
    systemctl -q is-enabled sapconf.service 2>/dev/null && (echo "found enabled sapconf.service"; touch /run/sapconf_pre_enblss_found) || :
    ([ ! -f /run/sapconf_tuned_removal_started ] && ([ -f /usr/lib/tuned/sapconf/script.sh ] || [ -f /usr/lib/tuned/sap-hana/script.sh ])) && touch /run/sapconf_tuned_removal_started || :
    if ([ -f /etc/sysconfig/sapnote-1557506 ] || ([ -f /etc/sysconfig/sapnote-1680803 ] && [ ! -f /etc/sysconfig/sapnote-bobj ]) || [ -f /usr/lib/tuned/sapconf/script.sh ]); then
        touch /tmp/sapconf_remove_nofile || :
    fi
    /usr/bin/md5sum /etc/sysconfig/sapconf > /tmp/sapconf_sys_md5_pre || :
    touch /run/sapconf_during_pkg_inst || :
fi

%post
if [ $1 -eq 1 ]; then
    # package initial install
    %fillup_only -n sapconf
    touch /tmp/initial_sapconf_inst || :
else
    # package update
    hook=$(%{_libexecdir}/%{name}/sc_hooks.sh del)
    if [ -f /etc/sysconfig/sapnote-1557506 ]; then
        # covers updates from SLE12 sapconf versions < 4.1.12
        echo "covers updates from SLE12 sapconf versions < 4.1.12"
        mv /etc/sysconfig/sapconf /etc/sysconfig/sapconf.rpmsave || :
        %fillup_only -n sapconf
        # remove no longer needed 'pagecache' sysconfig file
        rm -f /etc/sysconfig/sapnote-1557506 && echo "Removing obsolete /etc/sysconfig/sapnote-1557506..." || :
        # remove no longer needed 'ase' sysconfig file
        rm -f /etc/sysconfig/sapnote-1680803 && echo "Removing obsolete /etc/sysconfig/sapnote-1680803..." || :
    elif [ -f /etc/sysconfig/sapnote-1680803 ]; then
        # covers updates from SLE12 sapconf versions >= 4.1.12
        echo "covers updates from SLE12 sapconf versions >= 4.1.12"
        # remove pagecache section from sapconf sysconfig file
        # no longer supported in SLE15
        sed -i '/## Path:           SAP\/Note\/1557506 - Linux paging improvements/,/.*PAGECACHE_LIMIT_IGNORE_DIRTY[[:blank:]]*=.*/d' /etc/sysconfig/sapconf
        sed -i '/.*PAGECACHE_LIMIT_IGNORE_DIRTY[[:blank:]]*=.*/d' /etc/sysconfig/sapconf

# bsc#1096496/bsc#1096498
        # to update the comment sections in /etc/sysconfig/sapconf
        # does not work with /bin/fillup, but is mandatory for SAP
        %{_libexecdir}/%{name}/sccu.sh || :

echo "Updating /etc/sysconfig/sapconf ..."
        /bin/fillup -q -t /etc/sysconfig/sapconf %{_fillupdir}/sysconfig.sapconf
        # remove no longer needed 'ase' sysconfig file
        rm -f /etc/sysconfig/sapnote-1680803 && echo "Removing obsolete /etc/sysconfig/sapnote-1680803..." || :
        # remove no longer needed 'bobj' sysconfig file
        rm -f /etc/sysconfig/sapnote-bobj && echo "Removing obsolete /etc/sysconfig/sapnote-bobj..." || :
    else
        # covers updates from SLE15
        echo "covers updates from SLE15"
        # bsc#1096496/bsc#1096498
        # to update the comment sections in /etc/sysconfig/sapconf
        # does not work with /bin/fillup, but is mandatory for SAP
        %{_libexecdir}/%{name}/sccu.sh || :

echo "Updating /etc/sysconfig/sapconf ..."
        /bin/fillup -q -t /etc/sysconfig/sapconf %{_fillupdir}/sysconfig.sapconf
    fi
    %{remove_and_set -n sapconf SEMMSL SEMMNS SEMOPM SEMMNI}
    # adapt new SAP note values to the configuration
    %{_libexecdir}/%{name}/adapt2newSNvalues.sh || :
    %{_libexecdir}/%{name}/sc_hooks.sh $hook || :

# move custom specific sapconf related tuned profiles from /etc/tuned/
    # to /var/lib/sapconf/saved_configs
    %{_libexecdir}/%{name}/mv_tuned_conf.sh || :
    # remove nofile related limits.conf entries for @sapsys @sdba @dba
    if [ -f /tmp/sapconf_remove_nofile ]; then
        lim_chg=false
        for ulimit_group in @sapsys @sdba @dba; do
            for ulimit_type in soft hard; do
                limits_line=$(grep -E "^${ulimit_group}[[:space:]]+${ulimit_type}[[:space:]]+nofile.+" /etc/security/limits.conf)
                if [ -n "$limits_line" ]; then
                    sed -i "/$limits_line/d" /etc/security/limits.conf || :
                    lim_chg=true
                fi
            done
        done
        [[ $lim_chg ]] && echo "Updating /etc/security/limits.conf..." || :
        rm -f /tmp/sapconf_remove_nofile || :
    fi
fi

sed -i '/^[^#].*[[:blank:]][[:blank:]]*=[[:blank:]][[:blank:]]*.*/s;[[:blank:]];;g' /etc/sysconfig/sapconf >/dev/null 2>&1 || :
%service_add_post sapconf.service

# cleanup leftover - old SLE12 profile file
rm -f /var/lib/sapconf/act_profile || :

# Amend logind's behaviour (bsc#1031355, bsc#1039309, bsc#1043844), there is no rollback.
# Not needed any longer as the limit is removed from logind (jsc#SLE-10123)
SAP_LOGIN_FILE=/etc/systemd/logind.conf.d/sap.conf
if [ -f $SAP_LOGIN_FILE ]; then
    echo "removing no longer needed file '$SAP_LOGIN_FILE'"
    rm -rf $SAP_LOGIN_FILE || :
fi

%preun
%service_del_preun sapconf.service
test -n "$FIRST_ARG" || FIRST_ARG=$1
if [ $FIRST_ARG -eq 0 ]; then
    # Package removal, not upgrade
    # revert settings - not needed, done by service_del_preun

# clean up custom specific sapconf tuned configuration
    # move custom specific sapconf related tuned profiles from /etc/tuned/
    # to /var/lib/sapconf/saved_configs
    [ ! -d /var/lib/sapconf/saved_configs ] && mkdir -p /var/lib/sapconf/saved_configs || :
    for prof in sapconf sap-hana sap-netweaver sap-ase sap-bobj; do
        if [ -f /etc/tuned/"$prof"/tuned.conf ]; then
            echo "moving custom profile /etc/tuned/$prof to /var/lib/sapconf/saved_configs"
            mv /etc/tuned/"$prof" /var/lib/sapconf/saved_configs || :
        fi
    done
fi

%postun
test -n "$FIRST_ARG" || FIRST_ARG=$1
if [ $FIRST_ARG -eq 0 ]; then
    %service_del_postun sapconf.service
    # Package removal, not upgrade - cleanup
    # remove drop-in file for ulimit settings
    if [ -f /etc/security/limits.d/sapconf-nofile.conf ]; then
        echo "removing no longer needed file '/etc/security/limits.d/sapconf-nofile.conf'"
        rm -f /etc/security/limits.d/sapconf-nofile.conf
    fi
    rm -f /run/sapconf/active /var/lib/sapconf/*profile
    rm -rf /var/lib/sapconf/saved_state
fi
# remove no longer needed UserTasksMax setting, if still available
SAP_LOGIN_FILE=/etc/systemd/logind.conf.d/sap.conf
if [ -f $SAP_LOGIN_FILE ]; then
    echo "removing no longer needed file '$SAP_LOGIN_FILE'"
    rm -rf $SAP_LOGIN_FILE
fi

%posttrans -p /bin/bash
# Use a real bash script with an explicit "exit 0" at the end to be by default fail safe
# an explicit "exit 1" must be use to enforce package install/upgrade/erase failure where needed
# see the "Shared_libraries" section in http://en.opensuse.org/openSUSE:Packaging_scriptlet_snippets
# Begin refresh systemd units and clean up possibly obsolete systemd units
# The following is a generic way how to refresh and/or clean up systemd units.
# A systemd unit may need a refresh after updating a package when the new package
# had installed a changed systemd unit file for an enabled systemd unit.
# A systemd unit may become obsolete by updating a package (see bnc#904215).
# A systemd unit is considered to have become obsolete when the systemd
# symlink /etc/systemd/system/.../unit_name -> /path/to/unit_file is broken.
# When during package update the new package does no longer provide a unit file
# then the systemd symlink becomes broken after the files of the old package
# had been actually removed by RPM.
# According to /usr/share/doc/packages/rpm/manual/triggers and according
# to https://en.opensuse.org/openSUSE:Packaging_scriptlet_snippets#Scriptlet_Ordering
# and http://fedoraproject.org/wiki/Packaging:ScriptletSnippets#Scriptlet_Ordering
# from the new package only "posttrans of new package" is run after "removal of old package"
# so that the new package must do the clean up as RPM posttrans scriptlet.
if systemctl --quiet is-enabled sapconf.service 2>/dev/null; then
    # Refresh still valid enabled systemd units and clean up possibly obsoleted systemd units:
    # Enforce systemd to use the current unit file which is usually the unit file of the new package
    # but also in case of custom units (that use other unit files) a "reenable" won't hurt because
    # "reenable" does not implicitly stop a running service which is "the right thing" because
    # a RPM package installation must not automatically disrupt (restart) a running service.
    # Using "--force reenable" is essential to clean up possibly conflicting/broken symlinks.
    # (without "|| :" build fails with "Failed to get D-Bus connection: No connection to service manager. posttrans script ... failed"):
    systemctl --quiet --force reenable sapconf.service 2>/dev/null || :
else
    # Refresh still valid disabled systemd units and clean up possibly obsoleted systemd units:
    # First using "--force reenable" is essential to clean up possibly conflicting/broken symlinks
    # because there is no "--force disable" that would clean up possibly conflicting/broken symlinks
    # see https://bugzilla.opensuse.org/show_bug.cgi?id=904215#c34
    # so that first the unit has a clean state and then it is set back to disabled (as it was before).
    # If a disabled systemd unit has become obsoleted, "systemctl --force reenable" will clean it up
    # which means the unit gets removed and the subsequent "systemctl disable" will do nothing.
    # (without "|| :" build fails with "Failed to get D-Bus connection: No connection to service manager. posttrans script ... failed"):
    systemctl --quiet --force reenable sapconf.service 2>/dev/null || :
    systemctl --quiet disable sapconf.service 2>/dev/null || :
fi
rm -f /run/sapconf_during_pkg_inst
if [ -f /tmp/initial_sapconf_inst ]; then
    # package initial install
    rm -f /tmp/initial_sapconf_inst || :
    # if saptune is active - stop and disable sapconf service
    # (jsc#SLE-10987 decision)
    saptune_active=no
    if systemd-detect-virt -q -r; then
        # running in chroot - systemctl is-active/start/stop does not work as
        # expected - acts as 'NOPs' and returns '0', but enabel/disable does work
        if [[ $(ls /etc/systemd/system/multi-user.target.wants/saptune.service 2>/dev/null) || $(cat /etc/tuned/active_profile 2>/dev/null) == "saptune" || $(ls -A /var/lib/saptune/saved_state 2>/dev/null) || $(ls -A /run/saptune/saved_state 2>/dev/null) ]]; then
            echo "Running in chroot, but detected that saptune is enabled or active. Disable sapconf service"
            systemctl disable sapconf.service || :
            saptune_active=yes
        #else - do not change system preset
        fi
    else
        if (systemctl -q is-active saptune) || (systemctl -q is-enabled saptune 2>/dev/null) || [[ $(cat /etc/tuned/active_profile 2>/dev/null) == "saptune" || $(ls -A /var/lib/saptune/saved_state 2>/dev/null) || $(ls -A /run/saptune/saved_state 2>/dev/null) ]]; then
            echo "saptune is enabled or active, stop and disable sapconf service"
            systemctl stop sapconf.service || :
            systemctl disable sapconf.service || :
            saptune_active=yes
        fi
    fi
    if [ "$saptune_active" == "no" ]; then
        td_profile=$(cat /etc/tuned/active_profile 2>/dev/null) || :
        if [ "$td_profile" != "" ]; then
            echo "found non empty active tuned profile ($td_profile), not starting sapconf service"
        elif [ -f /run/sapconf/active ]; then
            echo "found '/run/sapconf/active' file, seems sapconf already runing. So doing nothing."
        else
            echo "starting sapconf service"
            systemctl start sapconf.service || :
        fi
    fi
else
    # package update
    # check sapconf service state before update
    sapconfServEnable=false
    sapconfServActive=false
    if [ -f /run/sapconf_pre_enblss_found ] && [ -f /run/sapconf_pre_actss_found ]; then
        echo "sapconf service was active and enabled before, stay with it"
        rm -f /run/sapconf_pre_enblss_found /run/sapconf_pre_actss_found || :
        sapconfServEnable=true
        sapconfServActive=true
    fi
    if [ -f /run/sapconf_pre_enblss_found ]; then
        echo "sapconf service was enabled before, stay with it"
        rm -f /run/sapconf_pre_enblss_found || :
        sapconfServEnable=true
    fi
    if [ -f /run/sapconf_pre_actss_found ]; then
        echo "sapconf service was active before, stay with it"
        rm -f /run/sapconf_pre_actss_found || :
        sapconfServActive=true
    fi
    # if sapconf with tuned support was not used - stop and disable sapconf service
    # (jsc#SLE-10987 decision)
    if [ ! -f /run/sapconf/active ] && [ -f /run/sapconf_tuned_removal_started ]; then
        echo "sapconf with tuned support was not used"
        if [ "$sapconfServEnable" == "true" ]; then
            echo "but sapconf.service was enabled, so skip disable sapconf service"
        else
            echo "disable sapconf service"
            systemctl disable sapconf.service || :
        fi
        if [ "$sapconfServActive" == "true" ]; then
            echo "but sapconf.service was active, so skip stopping sapconf service"
        else
            echo "stop sapconf service"
            systemctl stop sapconf.service || :
        fi
    fi
    # if sapconf with tuned support was used - stop and disable tuned service
    # (jsc#SLE-10987 decision)
    # and enable and start sapconf service (bsc#1176061)
    if [ -f /run/sapconf/active ] && [ -f /run/sapconf_tuned_removal_started ]; then
        (echo "sapconf with tuned support was used, stop and disable tuned service, enable and start sapconf service"; systemctl stop tuned.service; systemctl disable tuned.service; systemctl enable sapconf.service; systemctl restart sapconf.service) || :
    fi
    # if saptune is active - stop and disable sapconf service
    # (jsc#SLE-10987 decision)
    systemctl -q is-active saptune || systemctl -q is-enabled saptune 2>/dev/null || [[ $(cat /etc/tuned/active_profile 2>/dev/null) == "saptune" || $(ls -A /var/lib/saptune/saved_state 2>/dev/null) || $(ls -A /run/saptune/saved_state 2>/dev/null) ]] && (echo "saptune is enabled or active, stop and disable sapconf service"; systemctl stop sapconf.service; systemctl disable sapconf.service) || :

# if sapconf is/was active - reload new configuration
    if systemctl -q is-active sapconf; then
        /usr/bin/md5sum /etc/sysconfig/sapconf > /tmp/sapconf_sys_md5_post || :
        if ! (diff /tmp/sapconf_sys_md5_pre /tmp/sapconf_sys_md5_post >/dev/null 2>&1); then
            # the config in /etc/sysconfig/sapconf was changed,
            # if not already reloaded by tuned transfer  - reload config
            if [ ! -f /run/sapconf_tuned_removal_started ]; then
                echo "sapconf service is active, reload config"
                systemctl reload sapconf.service || :
            fi
        else
            echo "config in /etc/sysconfig/sapconf not changed, no need to reload config"
        fi
        # saftety net - check if really tuned.
        if [[ ! -f /run/sapconf/active || ! $(ls -A /var/lib/sapconf/saved_state 2>/dev/null) ]]; then
            echo "sapconf.service is active, but the tunings seems to be not in place, restarting..."
            systemctl restart sapconf.service || :
        fi
    fi

# cleanup 'sapconf with tuned support' indicator
    rm -f /run/sapconf_tuned_removal_started || :

# remove active indicator, so that a restart of sapconf after the package
    # installation will work correctly, side effect found by bsc#1176061
    ! (systemctl -q is-active sapconf) && rm -f /run/sapconf/active || :
fi
exit 0

%files
%defattr(-,root,root)
%{_sbindir}/sapconf_check
%{_sbindir}/rcsapconf
%{_unitdir}/sapconf.service
%dir %{_libexecdir}/%{name}
%{_libexecdir}/%{name}/*
%{_mandir}/man*/*
%{_fillupdir}/*
%dir %{_localstatedir}/lib/%{name}
%dir %{_localstatedir}/lib/%{name}/saved_configs
%dir %{_libexecdir}/supportconfig
%dir %{_libexecdir}/supportconfig/plugins
%{_libexecdir}/supportconfig/plugins/%{name}
#noreplace - to get sapconf.rpmnew, if file on disk has changed
%config(noreplace) %{_sysconfdir}/logrotate.d/%{name}
# Created at run-time by sapconf
%attr(0755,root,root) %ghost %dir %{_localstatedir}/lib/%{name}/saved_state

%changelog

Places

File sapconf.spec of Package sapconf

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