Improve test tag string parsing

[csit.git] / resources / libraries / bash / function / common.sh

diff --git a/resources/libraries/bash/function/common.sh b/resources/libraries/bash/function/common.sh
index f9c9e2e..1ef7c93 100644 (file)
--- a/resources/libraries/bash/function/common.sh
+++ b/resources/libraries/bash/function/common.sh
@@ -182,19 +182,6 @@ function check_prerequisites () {
     fi
 }
 
-function cleanup_topo () {
-
-    # Variables read:
-    # - WORKING_TOPOLOGY - Path to topology yaml file of the reserved testbed.
-    # - PYTHON_SCRIPTS_DIR - Path to directory holding the reservation script.
-
-    set -exuo pipefail
-
-    python "${PYTHON_SCRIPTS_DIR}/topo_cleanup.py" -t "${WORKING_TOPOLOGY}"
-    # Not using "|| die" as some callers might want to ignore errors,
-    # e.g. in teardowns, such as unreserve.
-}
-
 
 function common_dirs () {
 
@@ -503,41 +490,32 @@ function get_test_tag_string () {
     # - TEST_CODE - The test selection string from environment or argument.
     # Variables set:
     # - TEST_TAG_STRING - The string following trigger word in gerrit comment.
-    #   May be empty, not set on event types not adding comment.
+    #   May be empty, or even not set on event types not adding comment.
 
     # TODO: ci-management scripts no longer need to perform this.
 
     set -exuo pipefail
 
-    trigger=""
     if [[ "${GERRIT_EVENT_TYPE-}" == "comment-added" ]]; then
         case "${TEST_CODE}" in
             *"device"*)
-                # On parsing error, ${trigger} stays empty.
-                trigger="$(echo "${GERRIT_EVENT_COMMENT_TEXT}" \
-                    | grep -oE '(devicetest$|devicetest[[:space:]].+$)')" \
-                    || true
-                # Set test tags as string.
-                TEST_TAG_STRING="${trigger#$"devicetest"}"
+                trigger="devicetest"
                 ;;
             *"perf"*)
-                # On parsing error, ${trigger} stays empty.
-                comment="${GERRIT_EVENT_COMMENT_TEXT}"
-                # As "perftest" can be followed by something, we substitute it.
-                comment="${comment/perftest-2n/perftest}"
-                comment="${comment/perftest-3n/perftest}"
-                comment="${comment/perftest-hsw/perftest}"
-                comment="${comment/perftest-skx/perftest}"
-                comment="${comment/perftest-dnv/perftest}"
-                comment="${comment/perftest-tsh/perftest}"
-                tag_string="$(echo "${comment}" \
-                    | grep -oE '(perftest$|perftest[[:space:]].+$)' || true)"
-                # Set test tags as string.
-                TEST_TAG_STRING="${tag_string#$"perftest"}"
+                trigger="perftest"
                 ;;
             *)
                 die "Unknown specification: ${TEST_CODE}"
         esac
+        # Ignore lines not containing the trigger word.
+        comment=$(fgrep "${trigger}" <<< "${GERRIT_EVENT_COMMENT_TEXT}") || true
+        # The vpp-csit triggers trail stuff we are not interested in.
+        # Removing them and trigger word: https://unix.stackexchange.com/a/13472
+        # (except relying on \s whitespace, \S non-whitespace and . both).
+        # The last string is concatenated, only the middle part is expanded.
+        cmd=("grep" "-oP" '\S*'"${trigger}"'\S*\s\K.+$') || die "Unset trigger?"
+        # On parsing error, TEST_TAG_STRING probably stays empty.
+        TEST_TAG_STRING=$("${cmd[@]}" <<< "${comment}") || true
     fi
 }
 
@@ -576,6 +554,7 @@ function reserve_and_cleanup_testbed () {
     # - WORKING_TOPOLOGY - Path to topology yaml file of the reserved testbed.
     # Functions called:
     # - die - Print to stderr and exit.
+    # - ansible_hosts - Perform an action using ansible, see ansible.sh
     # Traps registered:
     # - EXIT - Calls cancel_all for ${WORKING_TOPOLOGY}.
 
@@ -604,7 +583,7 @@ function reserve_and_cleanup_testbed () {
                 }
                 # Cleanup check.
                 set +e
-                cleanup_topo
+                ansible_hosts "cleanup"
                 result="$?"
                 set -e
                 if [[ "${result}" == "0" ]]; then
@@ -759,7 +738,7 @@ function select_tags () {
         *"3n-skx"* | *"2n-skx"* | *"2n-clx"*)
             default_nic="nic_intel-xxv710"
             ;;
-        *"3n-hsw"*)
+        *"3n-hsw"* | *"mrr-daily-master")
             default_nic="nic_intel-xl710"
             ;;
         *)
@@ -780,7 +759,8 @@ function select_tags () {
                 ${tfd}/mrr-daily-${FLAVOR}.txt) || die
             ;;
         *"mrr-weekly"* )
-            readarray -t test_tag_array < "${tfd}/mrr-weekly.txt" || die
+            readarray -t test_tag_array <<< $(${sed_nic_sub_cmd} \
+                ${tfd}/mrr-weekly.txt) || die
             ;;
         * )
             if [[ -z "${TEST_TAG_STRING-}" ]]; then
@@ -875,6 +855,12 @@ function select_tags () {
         if [[ "${tag}" == "!"* ]]; then
             # Exclude tags are not prefixed.
             TAGS+=("${tag}")
+        elif [[ "${tag}" == " "* || "${tag}" == *"perftest"* ]]; then
+            # Badly formed tag expressions can trigger way too much tests.
+            set -x
+            warn "The following tag expression hints at bad trigger: ${tag}"
+            warn "Possible cause: Multiple triggers in a single comment."
+            die "Aborting to avoid triggering too many tests."
         elif [[ "${tag}" != "" && "${tag}" != "#"* ]]; then
             # Empty and comment lines are skipped.
             # Other lines are normal tags, they are to be prefixed.
@@ -1031,6 +1017,7 @@ function untrap_and_unreserve_testbed () {
     # - EXIT - Failure to untrap is reported, but ignored otherwise.
     # Functions called:
     # - die - Print to stderr and exit.
+    # - ansible_hosts - Perform an action using ansible, see ansible.sh
 
     set -xo pipefail
     set +eu  # We do not want to exit early in a "teardown" function.
@@ -1040,7 +1027,7 @@ function untrap_and_unreserve_testbed () {
         set -eu
         warn "Testbed looks unreserved already. Trap removal failed before?"
     else
-        cleanup_topo || true
+        ansible_hosts "cleanup" || true
         python "${PYTHON_SCRIPTS_DIR}/topo_reservation.py" -c -t "${wt}" || {
             die "${1:-FAILED TO UNRESERVE, FIX MANUALLY.}" 2
         }