Extend the context system to allow commands to be run in a namespace
created with unshare, and use it for the namespace used in the pasta tests.
Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
test/lib/context | 21 ++++++++++++++++++++-
test/lib/layout | 4 +---
test/lib/setup | 17 ++++++++---------
3 files changed, 29 insertions(+), 13 deletions(-)
diff --git a/test/lib/context b/test/lib/context
index babf59a..0d92d8f 100644
--- a/test/lib/context
+++ b/test/lib/context
@@ -13,13 +13,32 @@
# Copyright Red Hat
# Author: David Gibson <david(a)gibson.dropbear.id.au>
+# context_setup_common() - Create outline of a new context
+# $1: Context name
+context_setup_common() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ echo -n "${__name}$ " > "${__prefix}.log"
+}
+
# context_setup_host() - Create a new context for running commands on the host
# $1: Context name
context_setup_host() {
__name="$1"
__prefix="${LOGDIR}/context_${__name}"
+ context_setup_common "${__name}"
echo sh -c > "${__prefix}.enter"
- echo -n "${__name}$ " > "${__prefix}.log"
+}
+
+# context_setup_nsenter() - Create a new context for running commands in a namespace
+# $1: Context name
+# $2: Namespace PID
+context_setup_nsenter() {
+ __name="$1"
+ shift
+ __prefix="${LOGDIR}/context_${__name}"
+ context_setup_common "${__name}"
+ echo "nsenter $@ sh -c" > "${__prefix}.enter"
}
# context_teardown() - Remove a context (leave log files intact)
diff --git a/test/lib/layout b/test/lib/layout
index 95bd035..1401955 100644
--- a/test/lib/layout
+++ b/test/lib/layout
@@ -61,15 +61,13 @@ layout_pasta() {
get_info_cols
- tmux pipe-pane -O -t ${PANE_NS} "cat >> ${LOGDIR}/pane_ns.log"
- tmux select-pane -t ${PANE_NS} -T "namespace"
-
tmux send-keys -l -t ${PANE_INFO} 'while cat /tmp/.passt_test_log_pipe; do :;
done'
tmux send-keys -t ${PANE_INFO} -N 100 C-m
tmux select-pane -t ${PANE_INFO} -T "test log"
pane_watch_contexts ${PANE_HOST} host host
pane_watch_contexts ${PANE_PASST} pasta passt
+ pane_watch_contexts ${PANE_NS} "namespace" unshare ns
info_layout "single pasta instance with namespace"
diff --git a/test/lib/setup b/test/lib/setup
index 8430f4f..ac36ac3 100755
--- a/test/lib/setup
+++ b/test/lib/setup
@@ -17,6 +17,7 @@ INITRAMFS="${BASEPATH}/mbuto.img"
VCPUS="$( [ $(nproc) -ge 8 ] && echo 6 || echo $(( $(nproc) / 2 + 1 ))
)"
__mem_kib="$(sed -n 's/MemTotal:[ ]*\([0-9]*\) kB/\1/p'
/proc/meminfo)"
VMEM="$((${__mem_kib} / 1024 / 4))"
+NSHOLDER="${BASEPATH}/nsholder"
# setup_build() - Set up pane layout for build tests
setup_build() {
@@ -72,17 +73,14 @@ setup_passt() {
setup_pasta() {
context_setup_host host
context_setup_host passt
+ context_setup_host unshare
layout_pasta
- pane_run NS 'echo $$'
- pane_wait NS
- __tty_pid="$(pane_parse NS)"
-
- pane_run NS "unshare -rUnpf /bin/sh"
- pane_status NS
+ context_run_bg unshare "unshare -rUnpf ${NSHOLDER} ns.hold hold"
+ __target_pid=$(${NSHOLDER} ns.hold pid)
- __target_pid=$(pstree -p ${__tty_pid} | sed -n 's/.*(\([0-9].*\))$/\1/p')
+ context_setup_nsenter ns -U -n -p --preserve-credentials -t ${__target_pid}
# Ports:
#
@@ -318,11 +316,12 @@ teardown_passt() {
# teardown_passt() - Exit namespace, kill pasta process
teardown_pasta() {
- tmux send-keys -t ${PANE_NS} "C-d"
- pane_wait NS
+ ${NSHOLDER} ns.hold stop
+ context_wait unshare
teardown_context_watch ${PANE_HOST} host
teardown_context_watch ${PANE_PASST} passt
+ teardown_context_watch ${PANE_NS} unshare ns
}
# teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
--
2.37.3