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-rw-r--r--test/lib/context80
1 files changed, 80 insertions, 0 deletions
diff --git a/test/lib/context b/test/lib/context
new file mode 100644
index 0000000..babf59a
--- /dev/null
+++ b/test/lib/context
@@ -0,0 +1,80 @@
+#! /bin/sh
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+#
+# PASST - Plug A Simple Socket Transport
+# for qemu/UNIX domain socket mode
+#
+# PASTA - Pack A Subtle Tap Abstraction
+# for network namespace/tap device mode
+#
+# test/lib/context - Run commands in different contexts (host, guest, namespace etc.)
+#
+# Copyright Red Hat
+# Author: David Gibson <david@gibson.dropbear.id.au>
+
+# context_setup_host() - Create a new context for running commands on the host
+# $1: Context name
+context_setup_host() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ echo sh -c > "${__prefix}.enter"
+ echo -n "${__name}$ " > "${__prefix}.log"
+}
+
+# context_teardown() - Remove a context (leave log files intact)
+# $1: Context name
+context_teardown() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ rm -f "${__prefix}.enter"
+}
+
+# context_exists() - Test if a context currently exists
+# $1: Context name
+context_exists() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ [ -f "${__prefix}.enter" ]
+}
+
+# context_run() - Run a shell command in a context, and wait for it to finish
+# $1: Context name
+# $*: Command to start
+context_run() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ __enter="$(cat "${__prefix}.enter")"
+ shift
+ echo "$*" >> "${__prefix}.log"
+ mkfifo "${__prefix}.stdout" "${__prefix}.stderr"
+ tee -a "${__prefix}.log" < "${__prefix}.stdout" &
+ tee -a "${__prefix}.log" < "${__prefix}.stderr" >&2 &
+ ${__enter} "$*" >> "${__prefix}.stdout" 2>> "${__prefix}.stderr"
+ rc=$?
+ rm "${__prefix}.stdout" "${__prefix}.stderr"
+ [ ${DEBUG} -eq 1 ] && echo "[Exit code: $rc]" >> "${__prefix}.log"
+ echo -n "${__name}$ " >> "${__prefix}.log"
+ return $rc
+}
+
+# context_run_bg() - Start a shell command in a context
+# $1: Context name
+# $*: Command to start
+context_run_bg() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ context_run "$@" &
+ echo $! > "${__prefix}.pid"
+}
+
+# context_wait() - Wait for background command in a context to complete
+# $1: Context name
+# Returns the status of the completed command
+context_wait() {
+ __name="$1"
+ __prefix="${LOGDIR}/context_${__name}"
+ __pid=$(cat "${__prefix}.pid")
+ rm "${__prefix}.pid"
+ wait ${__pid}
+}