test: Issue host commands via context for most tests

Convert most of the tests to use the new-style system for issuing commands
for all host commands.  We leave the distro tests for now: they use
the same pane for both host and guest commands which we'll need some more
things to deal with.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

test/lib/layout

@@ -31,8 +31,12 @@ layout_host() {
 	tmux send-keys -t ${PANE_INFO} -N 100 C-m
 	tmux select-pane -t ${PANE_INFO} -T "test log"
 
+	if context_exists host; then
+	    pane_watch_contexts 0 host host
+	else
 	    tmux pipe-pane -O -t ${PANE_HOST} "cat >> ${LOGDIR}/pane_host.log"
 	    tmux select-pane -t ${PANE_HOST} -T "host"
+	fi
 
 	info_layout "host commands only"
 
@@ -64,8 +68,7 @@ layout_pasta() {
 	tmux send-keys -t ${PANE_INFO} -N 100 C-m
 	tmux select-pane -t ${PANE_INFO} -T "test log"
 
-	tmux pipe-pane -O -t ${PANE_HOST} "cat >> ${LOGDIR}/pane_host.log"
+	pane_watch_contexts ${PANE_HOST} host host
-	tmux select-pane -t ${PANE_HOST} -T "host"
 
 	tmux pipe-pane -O -t ${PANE_PASST} "cat >> ${LOGDIR}/pane_passt.log"
 	tmux select-pane -t ${PANE_PASST} -T "pasta"
@@ -100,8 +103,7 @@ layout_passt() {
 	tmux send-keys -t ${PANE_INFO} -N 100 C-m
 	tmux select-pane -t ${PANE_INFO} -T "test log"
 
-	tmux pipe-pane -O -t ${PANE_HOST} "cat >> ${LOGDIR}/pane_host.log"
+	pane_watch_contexts ${PANE_HOST} host host
-	tmux select-pane -t ${PANE_HOST} -T "host"
 
 	tmux pipe-pane -O -t ${PANE_PASST} "cat >> ${LOGDIR}/pane_passt.log"
 	tmux select-pane -t ${PANE_PASST} -T "passt"
@@ -141,8 +143,7 @@ layout_passt_in_pasta() {
 	tmux send-keys -t ${PANE_INFO} -N 100 C-m
 	tmux select-pane -t ${PANE_INFO} -T "test log"
 
-	tmux pipe-pane -O -t ${PANE_HOST} "cat >> ${LOGDIR}/pane_host.log"
+	pane_watch_contexts ${PANE_HOST} host host
-	tmux select-pane -t ${PANE_HOST} -T "host"
 
 	tmux pipe-pane -O -t ${PANE_PASST} "cat >> ${LOGDIR}/pane_passt.log"
 	tmux select-pane -t ${PANE_PASST} -T "passt in pasta (namespace)"
@@ -189,8 +190,7 @@ layout_two_guests() {
 	tmux send-keys -t ${PANE_INFO} -N 100 C-m
 	tmux select-pane -t ${PANE_INFO} -T "test log"
 
-	tmux pipe-pane -O -t ${PANE_HOST} "cat >> ${LOGDIR}/pane_host.log"
+	pane_watch_contexts ${PANE_HOST} host host
-	tmux select-pane -t ${PANE_HOST} -T "host"
 
 	tmux pipe-pane -O -t ${PANE_PASST_1} "cat >> ${LOGDIR}/pane_passt_1.log"
 	tmux select-pane -t ${PANE_PASST_1} -T "passt #1 in namespace #1"

test/lib/setup

@@ -20,6 +20,8 @@ VMEM="$((${__mem_kib} / 1024 / 4))"
 
 # setup_build() - Set up pane layout for build tests
 setup_build() {
+	context_setup_host host
+
 	layout_host
 }
 
@@ -30,6 +32,8 @@ setup_distro() {
 
 # setup_passt() - Start qemu and passt
 setup_passt() {
+	context_setup_host host
+
 	layout_passt
 
 	# Ports:
@@ -63,17 +67,12 @@ setup_passt() {
 		" -netdev socket,fd=5,id=hostnet0"			   \
 		' -pidfile passt_qemu.pid'
 	pane_status GUEST
-
-	# Set things up to reduce problems parsing host command output
-	pane_run HOST "PS1='$ '"
-	pane_wait HOST
-	# Non-bash shells will fail this, but also don't need it, so ignore errors
-	pane_run HOST "bind 'set enable-bracketed-paste off'"
-	pane_wait HOST
 }
 
 # setup_pasta() - Create a network and user namespace, connect pasta to it
 setup_pasta() {
+	context_setup_host host
+
 	layout_pasta
 
 	pane_run NS 'echo $$'
@@ -105,6 +104,8 @@ setup_pasta() {
 
 # setup_passt_in_ns() - Set up namespace (with pasta), run qemu and passt into it
 setup_passt_in_ns() {
+	context_setup_host host
+
 	layout_passt_in_pasta
 
 	# Ports:
@@ -182,17 +183,12 @@ setup_passt_in_ns() {
 		" -netdev socket,fd=5,id=hostnet0"			   \
 		' -pidfile passt_in_ns_qemu.pid'
 	pane_status GUEST
-
-	# Set things up to reduce problems parsing host command output
-	pane_run HOST "PS1='$ '"
-	pane_wait HOST
-	# Non-bash shells will fail this, but also don't need it, so ignore errors
-	pane_run HOST "bind 'set enable-bracketed-paste off'"
-	pane_wait HOST
 }
 
 # setup_two_guests() - Set up two namespace, run qemu and passt in both of them
 setup_two_guests() {
+	context_setup_host host
+
 	layout_two_guests
 
 	# Ports:
@@ -290,9 +286,21 @@ setup_two_guests() {
 	pane_status GUEST_2
 }
 
+# teardown_context_watch() - Remove contexts and stop panes watching them
+# $1:	Pane number watching
+# $@:	Context names
+teardown_context_watch() {
+	__pane="$1"
+	shift
+	for __c; do
+		context_teardown "${__c}"
+	done
+	tmux send-keys -t ${__pane} "C-c"
+}
+
 # teardown_build() - Nothing to do, yet
 teardown_build() {
-    :
+	teardown_context_watch ${PANE_HOST} host
 }
 
 # teardown_distro() - Nothing to do, yet
@@ -303,14 +311,19 @@ teardown_distro() {
 # teardown_passt() - Kill qemu, remove passt PID file
 teardown_passt() {
 	kill $(cat passt_qemu.pid)
+
 	pane_wait GUEST
 	rm passt.pid
+
+	teardown_context_watch ${PANE_HOST} host
 }
 
 # teardown_passt() - Exit namespace, kill pasta process
 teardown_pasta() {
 	tmux send-keys -t ${PANE_NS} "C-d"
 	pane_wait NS
+
+	teardown_context_watch ${PANE_HOST} host
 }
 
 # teardown_passt_in_ns() - Exit namespace, kill qemu and pasta, remove pid file
@@ -326,6 +339,8 @@ teardown_passt_in_ns() {
 	pane_wait PASST
 
 	rm passt.pid
+
+	teardown_context_watch ${PANE_HOST} host
 }
 
 # teardown_two_guests() - Exit namespaces, kill qemu processes, passt and pasta
@@ -350,6 +365,8 @@ teardown_two_guests() {
 	pane_wait GUEST_2
 	pane_wait PASST_1
 	pane_wait PASST_2
+
+	teardown_context_watch ${PANE_HOST} host
 }
 
 # teardown_demo_passt() - Exit namespace, kill qemu, passt and pasta