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From dcf3f74fa7e812dfe89667bd6219f70a8457f755 Mon Sep 17 00:00:00 2001
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From: Anoop C S <anoopcs@redhat.com>
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Date: Thu, 6 Jun 2019 18:33:19 +0530
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Subject: [PATCH 324/335] extras/hooks: Add SELinux label on new bricks during
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add-brick
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Backport of https://review.gluster.org/c/glusterfs/+/22834
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Change-Id: Ifd8ae5eeb91b968cc1a9a9b5d15844c5233d56db
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BUG: 1686800
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Signed-off-by: Anoop C S <anoopcs@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/185855
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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.../add-brick/post/S10selinux-label-brick.sh | 100 +++++++++++++++++++++
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1 file changed, 100 insertions(+)
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create mode 100755 extras/hook-scripts/add-brick/post/S10selinux-label-brick.sh
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diff --git a/extras/hook-scripts/add-brick/post/S10selinux-label-brick.sh b/extras/hook-scripts/add-brick/post/S10selinux-label-brick.sh
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new file mode 100755
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index 0000000..4a17c99
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--- /dev/null
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+++ b/extras/hook-scripts/add-brick/post/S10selinux-label-brick.sh
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@@ -0,0 +1,100 @@
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+#!/bin/bash
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+#
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+# Install to hooks/<HOOKS_VER>/add-brick/post
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+#
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+# Add an SELinux file context for each brick using the glusterd_brick_t type.
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+# This ensures that the brick is relabeled correctly on an SELinux restart or
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+# restore. Subsequently, run a restore on the brick path to set the selinux
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+# labels.
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+#
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+###
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+
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+PROGNAME="Sselinux"
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+OPTSPEC="volname:,version:,gd-workdir:,volume-op:"
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+VOL=
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+
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+parse_args () {
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+ ARGS=$(getopt -o '' -l ${OPTSPEC} -n ${PROGNAME} -- "$@")
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+ eval set -- "${ARGS}"
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+
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+ while true; do
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+ case ${1} in
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+ --volname)
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+ shift
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+ VOL=${1}
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+ ;;
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+ --gd-workdir)
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+ shift
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+ GLUSTERD_WORKDIR=$1
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+ ;;
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+ --version)
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+ shift
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+ ;;
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+ --volume-op)
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+ shift
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+ ;;
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+ *)
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+ shift
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+ break
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+ ;;
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+ esac
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+ shift
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+ done
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+}
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+
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+set_brick_labels()
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+{
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+ local volname="${1}"
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+ local fctx
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+ local list=()
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+
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+ fctx="$(semanage fcontext --list -C)"
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+
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+ # wait for new brick path to be updated under
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+ # ${GLUSTERD_WORKDIR}/vols/${volname}/bricks/
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+ sleep 5
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+
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+ # grab the path for each local brick
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+ brickpath="${GLUSTERD_WORKDIR}/vols/${volname}/bricks/"
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+ brickdirs=$(
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+ find "${brickpath}" -type f -exec grep '^path=' {} \; | \
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+ cut -d= -f 2 | \
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+ sort -u
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+ )
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+
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+ # create a list of bricks for which custom SELinux
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+ # label doesn't exist
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+ for b in ${brickdirs}; do
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+ pattern="${b}(/.*)?"
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+ echo "${fctx}" | grep "^${pattern}\s" >/dev/null
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+ if [[ $? -ne 0 ]]; then
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+ list+=("${pattern}")
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+ fi
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+ done
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+
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+ # Add a file context for each brick path in the list and associate with the
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+ # glusterd_brick_t SELinux type.
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+ for p in ${list[@]}
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+ do
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+ semanage fcontext --add -t glusterd_brick_t -r s0 "${p}"
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+ done
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+
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+ # Set the labels for which SELinux label was added above
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+ for b in ${brickdirs}
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+ do
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+ echo "${list[@]}" | grep "${b}" >/dev/null
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+ if [[ $? -eq 0 ]]; then
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+ restorecon -R "${b}"
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+ fi
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+ done
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+}
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+
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+SELINUX_STATE=$(which getenforce && getenforce)
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+[ "${SELINUX_STATE}" = 'Disabled' ] && exit 0
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+
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+parse_args "$@"
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+[ -z "${VOL}" ] && exit 1
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+
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+set_brick_labels "${VOL}"
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+
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+exit 0
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--
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1.8.3.1
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