Add removed wait_for script to validate role

wait_for script was removed from incubator repo and added to CI
code in tripleo-ci. We need it for validate pingtest role.

Change-Id: I5aaa0d87fa0229fea8b4e7f32301e72b26f83b09

roles/validate-simple/files/wait_for

@@ -0,0 +1,179 @@
+#!/bin/bash
+#
+# Copyright 2013 Red Hat
+# All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License. You may obtain
+# a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations
+# under the License.
+
+set -e  # exit on the first non-zero status
+set -u  # exit on unset variables
+set -o pipefail
+
+SCRIPT_NAME=$(basename $0)
+
+
+function show_options {
+    EXITVAL=${1:-1}
+    echo "Usage: $SCRIPT_NAME [-h] [-w TIMEOUT] [-l LOOP_COUNT] [-f FAIL_MATCH] [-s SUCCESS_MATCH] --delay SLEEP_TIME -- COMMAND"
+    echo
+    echo "Waits for a command to fail, succeed, or timeout."
+    echo
+    echo "Options:"
+    echo "      -h,--help                   -- this help"
+    echo "      -w,--walltime TIMEOUT       -- Timeout after TIMEOUT seconds."
+    echo "      -l,--looptimeout LOOP_COUNT -- Timeout after checking COMMAND LOOP_COUNT times."
+    echo "      -d,--delay SLEEP_TIME       -- Seconds to sleep between checks of COMMAND."
+    echo "      -s,--success-match          -- Output that indicates a success."
+    echo "      -f,--fail-match             -- Output that indicates a short-circuit failure."
+    echo
+    echo "Execute the command in a loop until it succeeds, a timeout is reached, or"
+    echo "a short-circuit failure occurs. Between each check of the command sleep for"
+    echo "the number of seconds specified by SLEEP_TIME."
+    echo
+    echo "Examples:"
+    echo "    wait_for -w 300 --delay 10 -- ping -c 1 192.0.2.2"
+    echo "    wait_for -w 10 --delay 1 -- ls file_we_are_waiting_for"
+    echo "    wait_for -w 30 --delay 3 -- date \| grep 8"
+    echo "    wait_for -w 300 --delay 10 --fail-match CREATE_FAILED -- heat stack-show undercloud"
+    echo "    wait_for -w 300 --delay 10 --success-match CREATE_COMPLETE -- heat stack-show undercloud"
+    exit $EXITVAL
+}
+
+USE_WALLTIME=
+TIMEOUT=
+DELAY=
+
+if [ -n "${SUCCESSFUL_MATCH_OUTPUT:-}" ]; then
+    echo "DEPRECATION WARNING: Using env vars for specifying SUCCESSFUL_MATCH_OUTPUT is deprecated."
+fi
+SUCCESSFUL_MATCH_OUTPUT=${SUCCESSFUL_MATCH_OUTPUT:-""}
+if [ -n "${FAIL_MATCH_OUTPUT:-}" ]; then
+    echo "DEPRECATION WARNING: Using env vars for specifying FAIL_MATCH_OUTPUT is deprecated."
+fi
+FAIL_MATCH_OUTPUT=${FAIL_MATCH_OUTPUT:-""}
+
+USE_ARGPARSE=0
+# We have to support positional arguments for backwards compat
+if [ -n "$1" -a "${1:0:1}" == "-" ]; then
+    USE_ARGPARSE=1
+else
+    echo "DEPRECATION WARNING: Using positional arguments for wait_for is deprecated."
+fi
+
+if [ $USE_ARGPARSE -eq 1 ]; then
+    set +e
+    TEMP=$(getopt -o h,w:,l:,d:,s:,f: -l help,walltime:,looptimeout:,delay:,success-match:,fail-match: -n $SCRIPT_NAME -- "$@")
+    if [ $? != 0 ]; then
+        show_options;
+    fi
+    set -e
+
+    # Note the quotes around `$TEMP': they are essential!
+    eval set -- "$TEMP"
+
+    while true ; do
+        case "$1" in
+            -h) show_options 0;;
+            --help) show_options 0;;
+            -w|--walltime) [ -n "$USE_WALLTIME" ] && show_options
+                USE_WALLTIME=1
+                TIMEOUT="$2"
+                shift 2
+                ;;
+            -l|--looptimeout) [ -n "$USE_WALLTIME" ] && show_options
+                USE_WALLTIME=0
+                TIMEOUT="$2"
+                shift 2
+                ;;
+            -d|--delay) DELAY="$2"; shift 2;;
+            -s|--success-match) SUCCESSFUL_MATCH_OUTPUT="$2"; shift 2;;
+            -f|--fail-match) FAIL_MATCH_OUTPUT="$2"; shift 2;;
+            --) shift ; break ;;
+        esac
+    done
+else
+    TIMEOUT=${1:-""}
+    DELAY=${2:-""}
+    USE_WALLTIME=0
+    shift 2 || true
+fi
+
+COMMAND="$@"
+
+if [ -z "$TIMEOUT" -o -z "$DELAY" -o -z "$COMMAND" ]; then
+    show_options
+fi
+
+
+ENDTIME=$(($(date +%s) + $TIMEOUT))
+TIME_REMAINING=0
+function update_time_remaining {
+    CUR_TIME="$(date +%s)"
+    TIME_REMAINING=$(($ENDTIME - $CUR_TIME))
+}
+
+
+OUTPUT=
+
+function check_cmd {
+    STATUS=0
+    OUTPUT=$(eval $COMMAND 2>&1) || STATUS=$?
+    if [[ -n "$SUCCESSFUL_MATCH_OUTPUT" ]] \
+        && [[ $OUTPUT =~ $SUCCESSFUL_MATCH_OUTPUT ]]; then
+        exit 0
+    elif [[ -n "$FAIL_MATCH_OUTPUT" ]] \
+        && [[ $OUTPUT =~ $FAIL_MATCH_OUTPUT ]]; then
+        echo "Command output matched '$FAIL_MATCH_OUTPUT'. Exiting..."
+        exit 1
+    elif [[ -z "$SUCCESSFUL_MATCH_OUTPUT" ]] && [[ $STATUS -eq 0 ]]; then
+        # The command successfully completed and we aren't testing against
+        # it's output so we have finished waiting.
+        exit 0
+    fi
+}
+
+i=0
+while [ $USE_WALLTIME -eq 1 -o $i -lt $TIMEOUT ]; do
+    if [ $USE_WALLTIME -eq 1 ]; then
+        update_time_remaining
+        if [ $TIME_REMAINING -le 0 ]; then
+            break
+        fi
+    else
+        i=$((i + 1))
+    fi
+
+    check_cmd
+
+    if [ $USE_WALLTIME -eq 1 ]; then
+        update_time_remaining
+        if [ $TIME_REMAINING -lt $DELAY ]; then
+            if [ $TIME_REMAINING -gt 0 ]; then
+                sleep $TIME_REMAINING
+                check_cmd
+            fi
+        else
+            sleep $DELAY
+        fi
+    else
+        sleep $DELAY
+    fi
+done
+if [ $USE_WALLTIME -eq 1 ]; then
+    SECONDS=$TIMEOUT
+else
+    SECONDS=$((TIMEOUT * DELAY))
+fi
+printf 'Timing out after %d seconds:\nCOMMAND=%s\nOUTPUT=%s\n' \
+    "$SECONDS" "$COMMAND" "$OUTPUT"
+exit 1

roles/validate-simple/tasks/validate.yml

@@ -12,6 +12,12 @@
     src: "{{ validate_template }}"
     dest: "{{ working_dir }}/tenantvm_floatingip.yaml"
 
+- name: Create wait_for script
+  copy:
+    src: wait_for
+    dest: "{{ working_dir }}/wait_for"
+    mode: 0755
+
 - name: Validate the overcloud
   shell: |
     {{ working_dir }}/overcloud-validate.sh > {{ validate_log }} 2>&1

roles/validate-simple/templates/overcloud-validate.sh.j2

@@ -18,7 +18,7 @@ function cleanup {
 {% else  %}
     openstack stack delete --yes {{ validate_stack_name }}
 {% endif %}
-    if [[ $(tripleo wait_for -w 300 -d 30 -s "Stack not found" -- "heat stack-show {{ validate_stack_name }}") ]]; then
+    if [[ $({{ working_dir }}/wait_for -w 300 -d 30 -s "Stack not found" -- "heat stack-show {{ validate_stack_name }}") ]]; then
         echo "openstack stack delete"
     else
         if [[ $(heat stack-list | grep {{ validate_stack_name }} | grep -i failed) ]]; then
@@ -103,7 +103,7 @@ heat stack-create {{ validate_stack_name }} --template-file  {{ working_dir }}/t
 ## * Give time to the instance to boot
 
 ### --stop_docs
-/bin/bash /usr/libexec/openstack-tripleo/wait_for -w 600 --delay 30 \
+/bin/bash {{ working_dir }}/wait_for -w 600 --delay 30 \
     --success-match {{ validate_success_status }} -- heat stack-show {{ validate_stack_name }}
 sleep 30