Cirrus: More tests to verify cache_images

.cirrus.yml

@@ -410,7 +410,7 @@ verify_test_built_images_task:
     # "probably" work.  A full round of testing will happen again after $*_CACHE_IMAGE_NAME
     # are updated in this or another PR (w/o '***CIRRUS: TEST IMAGES***').
     environment_script: '$SCRIPT_BASE/setup_environment.sh |& ${TIMESTAMP}'
-
+    check_image_script: '$SCRIPT_BASE/check_image.sh'
     integration_test_script: '$SCRIPT_BASE/integration_test.sh |& ${TIMESTAMP}'
 
     always:

contrib/cirrus/check_image.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+set -eo pipefail
+
+source $(dirname $0)/lib.sh
+
+RET=0
+echo "Validating VM image"
+
+MIN_SLASH_GIGS=50
+read SLASH_DEVICE SLASH_FSTYPE SLASH_SIZE JUNK <<<$(findmnt --df --first-only --noheadings / | cut -d '.' -f 1)
+SLASH_SIZE_GIGS=$(echo "$SLASH_SIZE" | sed -r -e 's/G|g//')
+item_test "Minimum available disk space" $SLASH_SIZE_GIGS -gt $MIN_SLASH_GIGS || let "RET+=1"
+
+MIN_MEM_MB=2000
+read JUNK TOTAL USED MEM_FREE JUNK <<<$(free -tm | tail -1)
+item_test 'Minimum available memory' $MEM_FREE -ge $MIN_MEM_MB || let "RET+=1"
+
+item_test "podman command NOT found on path" -z "$(type -P podman)" || let "RET+=1"
+
+MIN_ZIP_VER='3.0'
+VER_RE='.+([[:digit:]]+\.[[:digit:]]+).+'
+ACTUAL_VER=$(zip --version 2>&1 | egrep -m 1 "Zip$VER_RE" | sed -r -e "s/$VER_RE/\\1/")
+item_test "minimum zip version" "$MIN_ZIP_VER" = $(echo -e "$MIN_ZIP_VER\n$ACTUAL_VER" | sort -V | head -1) || let "RET+=1"
+
+for REQ_UNIT in google-accounts-daemon.service \
+                google-clock-skew-daemon.service \
+                google-instance-setup.service \
+                google-network-daemon.service \
+                google-shutdown-scripts.service \
+                google-startup-scripts.service
+do
+    item_test "required $REQ_UNIT enabled" \
+        "$(systemctl list-unit-files --no-legend $REQ_UNIT)" = "$REQ_UNIT enabled" || let "RET+=1"
+done
+
+exit $RET

contrib/cirrus/lib.sh

@@ -114,6 +114,30 @@ req_env_var() {
     done
 }
 
+item_test() {
+    ITEM="$1"
+    shift
+    TEST_ARGS="$@"
+    req_env_var ITEM TEST_ARGS
+
+    if ERR=$(test "$@" 2>&1)
+    then
+        echo "ok $ITEM"
+        return 0
+    else
+        RET=$?
+        echo -n "not ok $ITEM: $TEST_ARGS"
+        if [[ -z "$ERR" ]]
+        then
+            echo ""
+        else  # test command itself failed
+            echo -n ":"  # space follows :'s in $ERR
+            echo "$ERR" | cut -d : -f 4-  # omit filename, line number, and command
+        fi
+        return $RET
+    fi
+}
+
 show_env_vars() {
     echo "Showing selection of environment variable definitions:"
     _ENV_VAR_NAMES=$(awk 'BEGIN{for(v in ENVIRON) print v}' | \

contrib/cirrus/lib.sh.t

@@ -12,7 +12,7 @@ function check_result {
     testnum=$(expr $testnum + 1)
     MSG=$(echo "$1" | tr -d '*>\012'|sed -e 's/^ \+//')
     if [ "$MSG" = "$2" ]; then
-        echo "ok $testnum $3 = $MSG"
+        echo "ok $testnum $(echo $3) = $(echo $MSG)"
     else
         echo "not ok $testnum $3"
         echo "#  expected: $2"
@@ -83,6 +83,41 @@ test_rev "FOO BAR" 9 'FATAL: test_rev() requires $BAR to be non-empty'
 BAR=1
 test_rev "FOO BAR" 0 ''
 
+###############################################################################
+# tests for test_okay()
+
+function test_item_test {
+    local exp_msg=$1
+    local exp_ret=$2
+    local item=$3
+    shift 3
+    local test_args="$@"
+    local msg
+    msg=$(item_test "$item" "$@")
+    local status=$?
+
+    check_result "$msg"    "$exp_msg" "test_item $item $test_args"
+    check_result "$status" "$exp_ret" "test_item $item $test_args (actual rc $status)"
+}
+
+# negative tests
+test_item_test "FATAL: item_test() requires \$ITEM to be non-empty" 9 "" ""
+test_item_test "FATAL: item_test() requires \$TEST_ARGS to be non-empty" 9 "foo" ""
+test_item_test "not ok foo: -gt 5 ~= bar: too many arguments" 2 "foo" "-gt" "5" "~=" "bar"
+test_item_test "not ok bar: a -ge 10: a: integer expression expected" 2 "bar" "a" "-ge" "10"
+test_item_test "not ok basic logic: 0 -ne 0" 1 "basic logic" "0" "-ne" "0"
+
+# positive tests
+test_item_test "ok snafu" 0 "snafu" "foo" "!=" "bar"
+test_item_test "ok foobar" 0 "foobar" "one two three" "=" "one two three"
+test_item_test "ok oh boy" 0 "oh boy" "line 1
+line2" "!=" "line 1
+
+line2"
+test_item_test "ok okay enough" 0 "okay enough" "line 1
+line2" "=" "line 1
+line2"
+
 ###############################################################################
 
 exit $rc