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| -rw-r--r-- | LICENSE | 165 | ||||
| -rw-r--r-- | LICENSE.md | 157 | ||||
| -rw-r--r-- | README.md | 20 | ||||
| -rw-r--r-- | bin/os-patching-adhoc | 253 |
4 files changed, 595 insertions, 0 deletions
@@ -0,0 +1,165 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + + This version of the GNU Lesser General Public License incorporates +the terms and conditions of version 3 of the GNU General Public +License, supplemented by the additional permissions listed below. + + 0. Additional Definitions. + + As used herein, "this License" refers to version 3 of the GNU Lesser +General Public License, and the "GNU GPL" refers to version 3 of the GNU +General Public License. + + "The Library" refers to a covered work governed by this License, +other than an Application or a Combined Work as defined below. + + An "Application" is any work that makes use of an interface provided +by the Library, but which is not otherwise based on the Library. +Defining a subclass of a class defined by the Library is deemed a mode +of using an interface provided by the Library. + + A "Combined Work" is a work produced by combining or linking an +Application with the Library. The particular version of the Library +with which the Combined Work was made is also called the "Linked +Version". + + The "Minimal Corresponding Source" for a Combined Work means the +Corresponding Source for the Combined Work, excluding any source code +for portions of the Combined Work that, considered in isolation, are +based on the Application, and not on the Linked Version. + + The "Corresponding Application Code" for a Combined Work means the +object code and/or source code for the Application, including any data +and utility programs needed for reproducing the Combined Work from the +Application, but excluding the System Libraries of the Combined Work. + + 1. Exception to Section 3 of the GNU GPL. + + You may convey a covered work under sections 3 and 4 of this License +without being bound by section 3 of the GNU GPL. + + 2. Conveying Modified Versions. + + If you modify a copy of the Library, and, in your modifications, a +facility refers to a function or data to be supplied by an Application +that uses the facility (other than as an argument passed when the +facility is invoked), then you may convey a copy of the modified +version: + + a) under this License, provided that you make a good faith effort to + ensure that, in the event an Application does not supply the + function or data, the facility still operates, and performs + whatever part of its purpose remains meaningful, or + + b) under the GNU GPL, with none of the additional permissions of + this License applicable to that copy. + + 3. Object Code Incorporating Material from Library Header Files. + + The object code form of an Application may incorporate material from +a header file that is part of the Library. You may convey such object +code under terms of your choice, provided that, if the incorporated +material is not limited to numerical parameters, data structure +layouts and accessors, or small macros, inline functions and templates +(ten or fewer lines in length), you do both of the following: + + a) Give prominent notice with each copy of the object code that the + Library is used in it and that the Library and its use are + covered by this License. + + b) Accompany the object code with a copy of the GNU GPL and this license + document. + + 4. Combined Works. + + You may convey a Combined Work under terms of your choice that, +taken together, effectively do not restrict modification of the +portions of the Library contained in the Combined Work and reverse +engineering for debugging such modifications, if you also do each of +the following: + + a) Give prominent notice with each copy of the Combined Work that + the Library is used in it and that the Library and its use are + covered by this License. + + b) Accompany the Combined Work with a copy of the GNU GPL and this license + document. + + c) For a Combined Work that displays copyright notices during + execution, include the copyright notice for the Library among + these notices, as well as a reference directing the user to the + copies of the GNU GPL and this license document. + + d) Do one of the following: + + 0) Convey the Minimal Corresponding Source under the terms of this + License, and the Corresponding Application Code in a form + suitable for, and under terms that permit, the user to + recombine or relink the Application with a modified version of + the Linked Version to produce a modified Combined Work, in the + manner specified by section 6 of the GNU GPL for conveying + Corresponding Source. + + 1) Use a suitable shared library mechanism for linking with the + Library. A suitable mechanism is one that (a) uses at run time + a copy of the Library already present on the user's computer + system, and (b) will operate properly with a modified version + of the Library that is interface-compatible with the Linked + Version. + + e) Provide Installation Information, but only if you would otherwise + be required to provide such information under section 6 of the + GNU GPL, and only to the extent that such information is + necessary to install and execute a modified version of the + Combined Work produced by recombining or relinking the + Application with a modified version of the Linked Version. (If + you use option 4d0, the Installation Information must accompany + the Minimal Corresponding Source and Corresponding Application + Code. If you use option 4d1, you must provide the Installation + Information in the manner specified by section 6 of the GNU GPL + for conveying Corresponding Source.) + + 5. Combined Libraries. + + You may place library facilities that are a work based on the +Library side by side in a single library together with other library +facilities that are not Applications and are not covered by this +License, and convey such a combined library under terms of your +choice, if you do both of the following: + + a) Accompany the combined library with a copy of the same work based + on the Library, uncombined with any other library facilities, + conveyed under the terms of this License. + + b) Give prominent notice with the combined library that part of it + is a work based on the Library, and explaining where to find the + accompanying uncombined form of the same work. + + 6. Revised Versions of the GNU Lesser General Public License. + + The Free Software Foundation may publish revised and/or new versions +of the GNU Lesser General Public License from time to time. Such new +versions will be similar in spirit to the present version, but may +differ in detail to address new problems or concerns. + + Each version is given a distinguishing version number. If the +Library as you received it specifies that a certain numbered version +of the GNU Lesser General Public License "or any later version" +applies to it, you have the option of following the terms and +conditions either of that published version or of any later version +published by the Free Software Foundation. If the Library as you +received it does not specify a version number of the GNU Lesser +General Public License, you may choose any version of the GNU Lesser +General Public License ever published by the Free Software Foundation. + + If the Library as you received it specifies that a proxy can decide +whether future versions of the GNU Lesser General Public License shall +apply, that proxy's public statement of acceptance of any version is +permanent authorization for you to choose that version for the +Library. diff --git a/LICENSE.md b/LICENSE.md new file mode 100644 index 0000000..0927556 --- /dev/null +++ b/LICENSE.md @@ -0,0 +1,157 @@ +### GNU LESSER GENERAL PUBLIC LICENSE + +Version 3, 29 June 2007 + +Copyright (C) 2007 Free Software Foundation, Inc. +<https://fsf.org/> + +Everyone is permitted to copy and distribute verbatim copies of this +license document, but changing it is not allowed. + +This version of the GNU Lesser General Public License incorporates the +terms and conditions of version 3 of the GNU General Public License, +supplemented by the additional permissions listed below. + +#### 0. Additional Definitions. + +As used herein, "this License" refers to version 3 of the GNU Lesser +General Public License, and the "GNU GPL" refers to version 3 of the +GNU General Public License. + +"The Library" refers to a covered work governed by this License, other +than an Application or a Combined Work as defined below. + +An "Application" is any work that makes use of an interface provided +by the Library, but which is not otherwise based on the Library. +Defining a subclass of a class defined by the Library is deemed a mode +of using an interface provided by the Library. + +A "Combined Work" is a work produced by combining or linking an +Application with the Library. The particular version of the Library +with which the Combined Work was made is also called the "Linked +Version". + +The "Minimal Corresponding Source" for a Combined Work means the +Corresponding Source for the Combined Work, excluding any source code +for portions of the Combined Work that, considered in isolation, are +based on the Application, and not on the Linked Version. + +The "Corresponding Application Code" for a Combined Work means the +object code and/or source code for the Application, including any data +and utility programs needed for reproducing the Combined Work from the +Application, but excluding the System Libraries of the Combined Work. + +#### 1. Exception to Section 3 of the GNU GPL. + +You may convey a covered work under sections 3 and 4 of this License +without being bound by section 3 of the GNU GPL. + +#### 2. Conveying Modified Versions. + +If you modify a copy of the Library, and, in your modifications, a +facility refers to a function or data to be supplied by an Application +that uses the facility (other than as an argument passed when the +facility is invoked), then you may convey a copy of the modified +version: + +- a) under this License, provided that you make a good faith effort + to ensure that, in the event an Application does not supply the + function or data, the facility still operates, and performs + whatever part of its purpose remains meaningful, or +- b) under the GNU GPL, with none of the additional permissions of + this License applicable to that copy. + +#### 3. Object Code Incorporating Material from Library Header Files. + +The object code form of an Application may incorporate material from a +header file that is part of the Library. You may convey such object +code under terms of your choice, provided that, if the incorporated +material is not limited to numerical parameters, data structure +layouts and accessors, or small macros, inline functions and templates +(ten or fewer lines in length), you do both of the following: + +- a) Give prominent notice with each copy of the object code that + the Library is used in it and that the Library and its use are + covered by this License. +- b) Accompany the object code with a copy of the GNU GPL and this + license document. + +#### 4. Combined Works. + +You may convey a Combined Work under terms of your choice that, taken +together, effectively do not restrict modification of the portions of +the Library contained in the Combined Work and reverse engineering for +debugging such modifications, if you also do each of the following: + +- a) Give prominent notice with each copy of the Combined Work that + the Library is used in it and that the Library and its use are + covered by this License. +- b) Accompany the Combined Work with a copy of the GNU GPL and this + license document. +- c) For a Combined Work that displays copyright notices during + execution, include the copyright notice for the Library among + these notices, as well as a reference directing the user to the + copies of the GNU GPL and this license document. +- d) Do one of the following: + - 0) Convey the Minimal Corresponding Source under the terms of + this License, and the Corresponding Application Code in a form + suitable for, and under terms that permit, the user to + recombine or relink the Application with a modified version of + the Linked Version to produce a modified Combined Work, in the + manner specified by section 6 of the GNU GPL for conveying + Corresponding Source. + - 1) Use a suitable shared library mechanism for linking with + the Library. A suitable mechanism is one that (a) uses at run + time a copy of the Library already present on the user's + computer system, and (b) will operate properly with a modified + version of the Library that is interface-compatible with the + Linked Version. +- e) Provide Installation Information, but only if you would + otherwise be required to provide such information under section 6 + of the GNU GPL, and only to the extent that such information is + necessary to install and execute a modified version of the + Combined Work produced by recombining or relinking the Application + with a modified version of the Linked Version. (If you use option + 4d0, the Installation Information must accompany the Minimal + Corresponding Source and Corresponding Application Code. If you + use option 4d1, you must provide the Installation Information in + the manner specified by section 6 of the GNU GPL for conveying + Corresponding Source.) + +#### 5. Combined Libraries. + +You may place library facilities that are a work based on the Library +side by side in a single library together with other library +facilities that are not Applications and are not covered by this +License, and convey such a combined library under terms of your +choice, if you do both of the following: + +- a) Accompany the combined library with a copy of the same work + based on the Library, uncombined with any other library + facilities, conveyed under the terms of this License. +- b) Give prominent notice with the combined library that part of it + is a work based on the Library, and explaining where to find the + accompanying uncombined form of the same work. + +#### 6. Revised Versions of the GNU Lesser General Public License. + +The Free Software Foundation may publish revised and/or new versions +of the GNU Lesser General Public License from time to time. Such new +versions will be similar in spirit to the present version, but may +differ in detail to address new problems or concerns. + +Each version is given a distinguishing version number. If the Library +as you received it specifies that a certain numbered version of the +GNU Lesser General Public License "or any later version" applies to +it, you have the option of following the terms and conditions either +of that published version or of any later version published by the +Free Software Foundation. If the Library as you received it does not +specify a version number of the GNU Lesser General Public License, you +may choose any version of the GNU Lesser General Public License ever +published by the Free Software Foundation. + +If the Library as you received it specifies that a proxy can decide +whether future versions of the GNU Lesser General Public License shall +apply, that proxy's public statement of acceptance of any version is +permanent authorization for you to choose that version for the +Library. diff --git a/README.md b/README.md new file mode 100644 index 0000000..0460bd5 --- /dev/null +++ b/README.md @@ -0,0 +1,20 @@ +# Content + +The repository is split into two parts: + +## /patch.yaml and /roles + +This contains an Ansible approach to patching. + +## /bin + +This contains a standalone shell scripts for patching. + +# To-Dos + +What's a repository without proper to-dos? :-) + +1. The shell script has some approaches to parametrising native patching binaries. + Wherever we cannot use an Ansible module without shell commands (I'm looking + at you, zypper!), this needs to be synced. +2. Introduce variables for parametrising (e.g. skipping auxiliaries like rkhunter, ...) diff --git a/bin/os-patching-adhoc b/bin/os-patching-adhoc new file mode 100644 index 0000000..ebe8318 --- /dev/null +++ b/bin/os-patching-adhoc @@ -0,0 +1,253 @@ +#!/usr/bin/env bash +# shellcheck disable=SC1091 + +# Ad-hoc script for just patching the system. + +# Environment variables: +# RKHUNTER - will be set to 0 if rkhunter exists and this variable is not set. +# Setting it to 1 will skip using rkhunter. +# NEEDREST - will be set to 0 if needrestart exists and this variable is not set. +# Setting it to 1 will skip using needrestart or any other helper +# like dnf needs-restarting or zypper needs-rebooting / zypper ps. + +# os_patching made by albatrossflavour et al., binary: +OSPBIN='/usr/local/bin/os_patching_fact_generation.sh' + +. /etc/os-release || exit 1 + +# Debian act as if ID_LIKE wasn't necessary if ID == ID_LIKE. Great job, guys. +if [ "$ID" = "debian" ]; then + ID_LIKE="debian" +fi + + +# 0. Internal helpers +hline() { + [ -n "$COLUMNS" ] && MYCOLS="$COLUMNS" + [ -z "$MYCOLS" ] && MYCOLS="$(/usr/bin/tput cols 2>/dev/null)" + [ -z "$MYCOLS" ] && MYCOLS=16 + c=0 + printf '\033[1m' + while [ "$c" -lt "$MYCOLS" ]; do + printf '─' + c="$((c+1))" + done + printf '\033[0m\n' +} + +dline() { + [ -n "$COLUMNS" ] && MYCOLS="$COLUMNS" + [ -z "$MYCOLS" ] && MYCOLS="$(/usr/bin/tput cols 2>/dev/null)" + [ -z "$MYCOLS" ] && MYCOLS=16 + c=0 + while [ "$c" -lt "$MYCOLS" ]; do + printf '┄' + c="$((c+1))" + done + printf '\n' +} + +header() { + if [ -n "$1" ]; then + hline + printf ' \033[3m\033[1m%b\033[0m\n' "$1" + hline + fi +} + +footer() { + if [ -n "$1" ]; then + dline + printf '\033[3m\033[1m%b\033[0m\n' "$1" + fi +} + + +# 1. Find out about auxiliary helpers like rkhunter +declare NRSBIN RKHBIN +[ -z "$RKHUNTER" ] && RKHUNTER=2 +[ -z "$NEEDREST" ] && NEEDREST=2 +if [ "$NEEDREST" -gt 1 ] ; then + for bin in /usr/sbin/needrestart /usr/bin/needrestart; do + if [ -x "$bin" ]; then + NRSBIN="$bin" + NEEDREST=0 + break + fi + done +fi +if [ "$RKHUNTER" -gt 1 ] ; then + for bin in /usr/bin/rkhunter /usr/sbin/rkhunter; do + if [ -x "$bin" ]; then + RKHBIN="$bin" + RKHUNTER=0 + break + fi + done +fi + + +# 2. Patching. +case "$ID_LIKE" in + "debian") + APTBIN='/usr/bin/apt' + APTOPTS=( + '-o' 'Apt::Cmd::Disable-Script-Warning=true' + '-o' 'Dpkg::Progress-Fancy=False' + '-o' 'Apt::Color=False' + '-o' 'Dpkg::Use-Pty=False' + '-o' 'Quiet::NoUpdate=True' + '-o' 'APT::Get::AutomaticRemove=False' + '-o' 'APT::Get::AutomaticRemove::Kernels=False' + '-o' 'APT::Get::Assume-Yes=True' + ) + if [ "$RKHUNTER" -eq 0 ]; then + header 'Starting rkhunter check' + "$RKHBIN" -c --sk || exit 120 + fi + # 2.1. Package list refresh + header 'Starting package list update' + "$APTBIN" "${APTOPTS[@]}" update || exit 110 + ULIST="$("$APTBIN" "${APTOPTS[@]}" -q list --upgradable | grep -iP '^[0-9a-z_:\-+\.]+/.+' | sed 's/^\([^/]\+\).*/\1/')" + # Only one update will be one update with or without line-break, and NO update will be also with or without line-break. + # Solution: Always add a line-break, and grep away empty lines. + UPDATENUM="$(printf '%b\n' "$ULIST" | grep -vcP '^$')" + printf '\033[3m\033[1m%b update(s) found.\033[0m\n' "$UPDATENUM" + # 2.2. Package update. + # 2.2.1. No updates found? + if [ "$UPDATENUM" -lt 1 ]; then + printf '\033[3m\033[1m\033[2mSkipping updates.\033[0m\n' + else + # 2.2.2. Updates found? + header 'Starting package updates' + "$APTBIN" "${APTOPTS[@]}" full-upgrade || exit 112 + header 'Starting package auto-removal' + "$APTBIN" "${APTOPTS[@]}" --purge autoremove || exit 113 + # 2.2.3. Package file index update + if [ -x /usr/bin/apt-file ]; then + printf 'Starting apt-file update' + /usr/bin/apt-file "${APTOPTS[@]}" update || true + fi + if [ "$RKHUNTER" -eq 0 ]; then + header 'Starting rkhunter update' + "$RKHBIN" --propupd || exit 121 + fi + # 2.2.4. Requirement for reboot + if [ "$NEEDREST" -eq 0 ]; then + header 'Starting needrestart investigation' + "$NRSBIN" -b + # Outdated comment (kind of), see $NEEDREST at the top of the file -- + # If we don't have needrestart, this will fail - which is OK, without + # a means of controlling whether reboot is necessary we will reboot in any case. + if ! "$NRSBIN" -p; then + footer 'Outdated libraries or kernel found, rebooting' + /usr/bin/systemctl reboot || reboot + else + if [ "$UPDATENUM" -gt 0 ]; then + if [ -x "$OSPBIN" ]; then + header 'Starting os_patching_fact_generation.sh' + ospstart="$(/usr/bin/date '+%s')" + "$OSPBIN" + ospend="$(/usr/bin/date '+%s')" + footer "...done ($((ospend - ospstart)) seconds)." + fi + fi + fi + elif [ "$NEEDREST" -gt 1 ]; then + footer 'No needrestart found, rebooting' + /usr/bin/systemctl reboot || reboot + fi + fi + ;; + "suse"*) + # Caution: + # 1. Broken package dependenciers will not be solved + # 2. Orphaned packages will be kept in-place + + header 'Refreshing zypper "services"' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/zypper -q --non-interactive refresh-services && printf 'OK.\n' || exit 110 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + header 'Refreshing repository cache' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/zypper -q --non-interactive refresh && printf 'OK.\n' || exit 111 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + # TODO: no amount of "-q" keeps zypper from delivering the verbose list of updates before + # installing them. If only the zypper guys were modern in thinking script or automation approaches... + header 'Running update' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/zypper -q --no-refresh --non-interactive-include-reboot-patches \ + up -y --auto-agree-with-licenses --solver-focus 'Update' && printf 'OK.\n' || exit 112 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + header 'Running dist-upgrade' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/zypper -q --no-refresh --non-interactive-include-reboot-patches \ + dup -y --allow-name-change --allow-arch-change --allow-vendor-change --no-allow-downgrade \ + --auto-agree-with-licenses --solver-focus 'Update' && printf 'OK.\n' || exit 113 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + # zypper: why deliver exit codes WHEN WE CAN TOSS EFFIN STRINGS AT THE CONSOLE ONLY + # also... too many people rather tend to localise their systems....: + export LANG=C # use "C" as safe haven, we DO NOT want this to fail + # yes, in the very recent part they invented "needs-rebooting", but that only checks + # core services and libraries... :( so we do both here. We want to be rather aggressive + # on unattended updates in that we reboot if there are lingering "programs". Any of them. + header 'Checking reboot requirement... ' + if ! /usr/bin/zypper -q needs-rebooting; then + # TODO: zypper being locked by another "application" delivers RC7 - is this reserved + # exclusively for this case? + footer 'Rebooting (zypper needs-rebooting)' + /usr/bin/systemctl reboot + elif [ "$(/usr/bin/zypper ps -sss 2>&1 | wc -l)" -gt 0 ]; then + footer 'Rebooting (zypper ps)' + /usr/bin/systemctl reboot + else + printf 'no reboot required.\n' + if [ -x "$OSPBIN" ]; then + header 'Starting os_patching_fact_generation.sh' + ospstart="$(/usr/bin/date '+%s')" + "$OSPBIN" + ospend="$(/usr/bin/date '+%s')" + footer "...done ($((ospend - ospstart)) seconds)." + fi + fi + ;; + "rhel"*|"centos"*) + # we do not use --skip-broken here - we keep our systems tidy, so any pollution may and should + # cause an error :-) + + header 'Starting package list update' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/dnf -d1 makecache && printf 'OK.\n' || exit 110 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + header 'Starting package upgrade' + mystart="$(/usr/bin/date '+%s')" + /usr/bin/dnf --comment='os_patching_adhoc' -d1 --obsoletes --best -y upgrade &&\ + printf 'OK.\n' || exit 111 + myend="$(/usr/bin/date '+%s')" + footer "...done ($((myend - mystart)) seconds)." + + header 'Checking reboot requirement' + if ! /usr/bin/dnf -d1 needs-restarting -r; then + footer 'Outdated libraries or kernel found, rebooting.' + /usr/bin/systemctl reboot + else + if [ -x "$OSPBIN" ]; then + header 'Starting os_patching_fact_generation.sh' + ospstart="$(/usr/bin/date '+%s')" + "$OSPBIN" + ospend="$(/usr/bin/date '+%s')" + footer "...done ($((ospend - ospstart)) seconds)." + fi + fi + ;; +esac |