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-rw-r--r--knot-resolver/Makefile80
-rwxr-xr-xknot-resolver/bin/kresd-cache-clear38
2 files changed, 118 insertions, 0 deletions
diff --git a/knot-resolver/Makefile b/knot-resolver/Makefile
new file mode 100644
index 0000000..3a2e4b9
--- /dev/null
+++ b/knot-resolver/Makefile
@@ -0,0 +1,80 @@
+# Open Infrastructure: service-tools
+
+# Copyright (C) 2014-2021 Daniel Baumann <daniel.baumann@open-infrastructure.net>
+#
+# SPDX-License-Identifier: GPL-3.0+
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+SHELL := sh -e
+
+SCRIPTS = bin/*
+
+all: build
+
+test:
+ @echo -n "Checking for syntax errors with sh... "
+ @for SCRIPT in $(SCRIPTS); \
+ do \
+ sh -n $${SCRIPT}; \
+ echo -n "."; \
+ done
+ @echo " done."
+
+ @echo -n "Checking for bashisms... "
+ @if [ -x /usr/bin/checkbashisms ]; \
+ then \
+ for SCRIPT in $(SCRIPTS); \
+ do \
+ checkbashisms -f -x $${SCRIPT}; \
+ echo -n "."; \
+ done; \
+ else \
+ echo "Note: devscripts not installed, skipping checkbashisms."; \
+ fi
+ @echo " done."
+
+ @echo -n "Checking with shellcheck... "
+ @if [ -x /usr/bin/shellcheck ]; \
+ then \
+ for SCRIPT in $(SCRIPTS); \
+ do \
+ shellcheck -e SC2039 $${SCRIPT}; \
+ echo -n "."; \
+ done; \
+ else \
+ echo "Note: shellcheck not installed, skipping shellcheck."; \
+ fi
+ @echo " done."
+
+build:
+
+install: build
+ mkdir -p $(DESTDIR)/usr/bin
+ cp -r bin/* $(DESTDIR)/usr/bin
+
+uninstall:
+ for FILE in bin/*; \
+ do \
+ rm -f $(DESTDIR)/usr/bin/$$(basename $${FILE}); \
+ done
+ rmdir --ignore-fail-on-non-empty --parents $(DESTDIR)/usr/bin || true
+
+ rmdir --ignore-fail-on-non-empty --parents $(DESTDIR) || true
+
+clean:
+
+distclean:
+
+reinstall: uninstall install
diff --git a/knot-resolver/bin/kresd-cache-clear b/knot-resolver/bin/kresd-cache-clear
new file mode 100755
index 0000000..5eadee0
--- /dev/null
+++ b/knot-resolver/bin/kresd-cache-clear
@@ -0,0 +1,38 @@
+#!/bin/sh
+
+set -e
+
+HOSTS="${*}"
+
+if [ -z "${HOSTS}" ]
+then
+ echo "Usage: ${0} localhost|[HOST1 HOST2 ...]" >&2
+ exit 1
+fi
+
+for HOST in ${HOSTS}
+do
+ case "${HOST}" in
+ localhost)
+ NUMBER="$(systemctl | grep -c 'kresd@[0-9].service')"
+
+ for NUMBER in $(seq 1 "${NUMBER}")
+ do
+ echo "Flushing localhost, resolver ${NUMBER}"
+ echo "cache.clear()" | sudo socat - UNIX-CONNECT:/run/knot-resolver/control/"${NUMBER}"
+ done
+ ;;
+
+ *)
+ NUMBER="$(ssh "${HOST}" sudo systemctl | grep -c 'kresd@[0-9].service')"
+
+ for NUMBER in $(seq 1 "${NUMBER}")
+ do
+ echo "Flushing ${HOST}, resolver ${NUMBER}"
+ echo "cache.clear()" | ssh "${HOST}" sudo socat - UNIX-CONNECT:/run/knot-resolver/control/"${NUMBER}"
+ done
+ ;;
+ esac
+done
+
+echo