Do we need tests for this? Alex
On Mon, 27 Feb 2023 at 06:00, Trevor Woerner <[email protected]> wrote: > > Provide a mechanism to allow users to choose whether the /tmp directory > is on persistent storage (non-volatile) or a RAM-based tmpfs (volatile). > The default is volatile. > > Works for both sysvinit-based and systemd-based systems. > > Signed-off-by: Trevor Woerner <[email protected]> > --- > meta/conf/bitbake.conf | 4 ++++ > meta/recipes-core/initscripts/initscripts_1.0.bb | 3 +++ > meta/recipes-core/systemd/systemd_252.5.bb | 7 +++++++ > 3 files changed, 14 insertions(+) > > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf > index dcf6ce99d138..afd9e2f5527f 100644 > --- a/meta/conf/bitbake.conf > +++ b/meta/conf/bitbake.conf > @@ -90,6 +90,10 @@ ROOT_HOME ??= "/home/root" > # If set to boolean false ('no', 'n', 'false', 'f', '0'), /var/log is on > persistent storage. > VOLATILE_LOG_DIR ?= "yes" > > +# if set to 'yes': /tmp links to /var/tmp which links to /var/volatile/tmp > +# otherwise: /tmp is on persistent storage > +VOLATILE_TMP_DIR ?= "yes" > + > BB_RENAMED_VARIABLES[PNBLACKLIST] = "SKIP_RECIPE" > BB_RENAMED_VARIABLES[CVE_CHECK_PN_WHITELIST] = "CVE_CHECK_SKIP_RECIPE" > BB_RENAMED_VARIABLES[CVE_CHECK_WHITELIST] = "CVE_CHECK_IGNORE" > diff --git a/meta/recipes-core/initscripts/initscripts_1.0.bb > b/meta/recipes-core/initscripts/initscripts_1.0.bb > index 7c9d9ca4f107..4dc477bb8d69 100644 > --- a/meta/recipes-core/initscripts/initscripts_1.0.bb > +++ b/meta/recipes-core/initscripts/initscripts_1.0.bb > @@ -108,6 +108,9 @@ do_install () { > sed -i -e '\@^d root root 0755 /var/volatile/log none$@ a\l > root root 0755 /var/log /var/volatile/log' \ > ${D}${sysconfdir}/default/volatiles/00_core > fi > + if [ "${VOLATILE_TMP_DIR}" != "yes" ]; then > + sed -i -e "/\<tmp\>/d" > ${D}${sysconfdir}/default/volatiles/00_core > + fi > install -m 0755 ${WORKDIR}/dmesg.sh > ${D}${sysconfdir}/init.d > install -m 0644 ${WORKDIR}/logrotate-dmesg.conf ${D}${sysconfdir}/ > > diff --git a/meta/recipes-core/systemd/systemd_252.5.bb > b/meta/recipes-core/systemd/systemd_252.5.bb > index ea468da150ce..8b92b2cf425c 100644 > --- a/meta/recipes-core/systemd/systemd_252.5.bb > +++ b/meta/recipes-core/systemd/systemd_252.5.bb > @@ -288,6 +288,13 @@ do_install() { > rm -rf ${D}${localstatedir}/log/journal/remote > fi > > + # if the user requests /tmp be on persistent storage (i.e. not > volatile) > + # then don't use a tmpfs for /tmp > + if [ "${VOLATILE_TMP_DIR}" != "yes" ]; then > + rm -f ${D}${rootlibdir}/systemd/system/tmp.mount > + rm -f > ${D}${rootlibdir}/systemd/system/local-fs.target.wants/tmp.mount > + fi > + > install -d ${D}${systemd_system_unitdir}/graphical.target.wants > install -d ${D}${systemd_system_unitdir}/multi-user.target.wants > install -d ${D}${systemd_system_unitdir}/poweroff.target.wants > -- > 2.36.0.rc2.17.g4027e30c53 > > > >
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