stats: cap memory limit to the available memory

Docker compatibility: cap the memory limit reported by the cgroup to
the maximum available memory.

Closes: https://github.com/containers/podman/issues/15765

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

1 files changed, 23 insertions, 1 deletions

diff --git a/test/apiv2/test-apiv2 b/test/apiv2/test-apiv2
index aca7db0dd..b762cff9e 100755
--- a/test/apiv2/test-apiv2
+++ b/test/apiv2/test-apiv2
@@ -107,6 +107,22 @@ function is() {
     _show_ok 0 "$testname" "$expect" "$actual"
 }
 
+############
+#  is_not  #  Simple disequality
+############
+function is_not() {
+    local actual=$1
+    local expect_not=$2
+    local testname=$3
+
+    if [ "$actual" != "$expect_not" ]; then
+        # On success, include expected value; this helps readers understand
+        _show_ok 1 "$testname!=$expect"
+        return
+    fi
+    _show_ok 0 "$testname" "!= $expect" "$actual"
+}
+
 ##########
 #  like  #  Compare, but allowing patterns
 ##########
@@ -377,7 +393,13 @@ function t() {
     fi
 
     for i; do
-        if expr "$i" : "[^=~]\+=.*" >/dev/null; then
+        if expr "$i" : '[^\!]\+\!=.\+' >/dev/null; then
+            # Disequality on json field
+            json_field=$(expr "$i" : '\([^!]*\)!')
+            expect_not=$(expr "$i" : '[^\!]*\!=\(.*\)')
+            actual=$(jq -r "$json_field" <<<"$output")
+            is_not "$actual" "$expect_not" "$testname : $json_field"
+        elif expr "$i" : "[^=~]\+=.*" >/dev/null; then
             # Exact match on json field
             json_field=$(expr "$i" : "\([^=]*\)=")
             expect=$(expr "$i" : '[^=]*=\(.*\)')