Add timeout support to ansible-test. (#53302)

* Add timeout support to ansible-test.
* Fix ansible-test tar filename filter bug.
* Update timeouts used on Shippable.
* Kill subprocesses when parent process terminates.
* Require explicit use of env --show option.

test/utils/shippable/shippable.sh

@@ -116,6 +116,12 @@ function cleanup
 
 trap cleanup EXIT
 
-ansible-test env --dump --show --color -v
+if [[ "${COVERAGE:-}" ]]; then
+    timeout=60
+else
+    timeout=45
+fi
+
+ansible-test env --dump --show --timeout "${timeout}" --color -v
 
 "test/utils/shippable/${script}.sh" "${test}"

test/utils/shippable/units.sh

@@ -7,5 +7,13 @@ IFS='/:' read -ra args <<< "$1"
 
 version="${args[1]}"
 
+if [[ "${COVERAGE:-}" ]]; then
+    timeout=90
+else
+    timeout=10
+fi
+
+ansible-test env --timeout "${timeout}" --color -v
+
 # shellcheck disable=SC2086
 ansible-test units --color -v --docker default --python "${version}" ${COVERAGE:+"$COVERAGE"} ${CHANGED:+"$CHANGED"} \