Merge #33196

tox.ini

@@ -267,15 +267,17 @@ setenv =
     scientificlinux-7:        BASE_TAG=7
     #
     # https://hub.docker.com/_/centos
-    # centos-6 only has autoconf 2.63 -- too old for bootstrap; download configure tarball instead.
+    # https://quay.io/repository/centos/centos?tab=tags
     #
     centos:         SYSTEM=fedora
     centos:         BASE_IMAGE=centos
     centos:                                    IGNORE_MISSING_SYSTEM_PACKAGES=yes
-    centos-6:         BASE_TAG=centos6
-    centos-6:           BOOTSTRAP=./bootstrap -D
     centos-7:         BASE_TAG=centos7
     centos-8:         BASE_TAG=centos8
+    centos-stream:  BASE_IMAGE=quay.io/centos/centos
+    centos-stream:    BASE_TAG=stream
+    centos-stream-8:  BASE_TAG=stream8
+    centos-stream-9:  BASE_TAG=stream9
     #
     # https://hub.docker.com/r/sheerluck/sage-on-gentoo-stage4/tags
     #