Update from the upstream Github repository

Signed-off-by: Petr "Stone" Hracek <phracek@redhat.com>

Dockerfile

@@ -1,5 +1,5 @@
 # This image is the base image for all s2i configurable container images.
-FROM registry.fedoraproject.org/fedora:rawhide
+FROM registry.fedoraproject.org/fedora:31
 
 ENV SUMMARY="Base image which allows using of source-to-image."	\
     DESCRIPTION="The s2i-core image provides any images layered on top of it \
@@ -40,6 +40,7 @@ ENV \
 RUN INSTALL_PKGS="bsdtar \
   findutils \
   gettext \
+  glibc-langpack-en \
   groff-base \
   rsync \
   tar \

bot-cfg.yml

@@ -0,0 +1,26 @@
+version: "1"
+
+betka:
+  # is betka enabled for this repository
+  # optional - defaults to false
+  enabled: true
+
+  # optional
+  notifications:
+    email_addresses: [phracek@redhat.com]
+
+  # Specify if master branch in upstream repository is synced
+  master_checker: true
+  # Should pull requests be synced?
+  # optional
+  pr_checker: false
+  # Either 'upstream_branch_name' or 'upstream_git_path' has to be specified
+  # Branch name which is used for sync
+  upstream_branch_name: master
+  # Path to directory with dockerfile withing upstream repository
+  upstream_git_path: "core"
+  # Github comment message to enforce sync of a pull request
+  # required if pr_checker is true otherwise optional
+  pr_comment_message: "[test]"
+  # optional
+  image_url: quay.io/rhscl/cwt-generator

root/help.1

@@ -1,4 +1,3 @@
-.nh
 .TH OpenShift base images (core variant)
 .PP
 This repository contains Dockerfiles for images which can be used as base images
@@ -21,8 +20,6 @@ Normally, SCL requires manual operation to enable the collection you want to use
 This is burdensome and can be prone to error.
 The OpenShift S2I approach is to set Bash environment variables that
 serve to automatically enable the desired collection:
-
-.RS
 .IP \(bu 2
 \fB\fCBASH\_ENV\fR: enables the collection for all non\-interactive Bash sessions
 .IP \(bu 2
@@ -30,8 +27,6 @@ serve to automatically enable the desired collection:
 .IP \(bu 2
 \fB\fCPROMPT\_COMMAND\fR: enables the collection in interactive shell
 
-.RE
-
 .PP
 Two examples:
 * If you specify \fB\fCBASH\_ENV\fR, then all your \fB\fC#!/bin/bash\fR scripts
@@ -91,13 +86,9 @@ $ make build VERSIONS=core TARGET=rhel7
 
 .fi
 .RE
-
-.RS
 .IP \(bu 2
 \fBCentOS7 base image\fP
 
-.RE
-
 .PP
 This image is available on DockerHub. To download it run:
 
@@ -130,7 +121,8 @@ on all provided versions of s2i image.\fP
 
 .SH See also
 .PP
-Dockerfile and other sources are available on https://github.com/sclorg/s2i\-base\-container.
+Dockerfile and other sources are available on 
+\[la]https://github.com/sclorg/s2i-base-container\[ra]\&.
 In that repository you also can find another variants of S2I Base Dockerfiles.
 The Dockerfile for CentOS is called Dockerfile, the Dockerfile for RHEL7 is called Dockerfile.rhel7,
 the Dockerfile for RHEL8 is called Dockerfile.rhel8 and the Dockerfile for Fedora is Dockerfile.fedora.

root/usr/bin/cgroup-limits

@@ -19,10 +19,12 @@ Variables currently supported:
         Maximum amount of user memory in bytes. If this value is set
         to the same value as MAX_MEMORY_LIMIT_IN_BYTES, it means that
         there is no limit set. The value is taken from
-        /sys/fs/cgroup/memory/memory.limit_in_bytes
+        /sys/fs/cgroup/memory/memory.limit_in_bytes for cgroups v1
+        and from /sys/fs/cgroup/memory.max for cgroups v2
     NUMBER_OF_CORES
         Number of detected CPU cores that can be used. This value is
-        calculated from /sys/fs/cgroup/cpuset/cpuset.cpus
+        calculated from /sys/fs/cgroup/cpuset/cpuset.cpus for cgroups v1
+        and from /sys/fs/cgroup/cpuset.cpus.effective for cgroups v2
     NO_MEMORY_LIMIT
         Set to "true" if MEMORY_LIMIT_IN_BYTES is so high that the caller
         can act as if no memory limit was set. Undefined otherwise.
@@ -46,7 +48,11 @@ def get_memory_limit():
     """
 
     limit = _read_file('/sys/fs/cgroup/memory/memory.limit_in_bytes')
+    # If first file does not exist, try cgroups v2 file
+    limit = limit or _read_file('/sys/fs/cgroup/memory.max')
     if limit is None or not limit.isdigit():
+        if limit == 'max':
+            return 9223372036854775807
         print("Warning: Can't detect memory limit from cgroups",
               file=sys.stderr)
         return None
@@ -61,7 +67,11 @@ def get_number_of_cores():
     core_count = 0
 
     line = _read_file('/sys/fs/cgroup/cpuset/cpuset.cpus')
+    # If first file does not exist, try cgroups v2 file
+    line = line or _read_file('/sys/fs/cgroup/cpuset.cpus.effective')
     if line is None:
+        # None of the files above exists when running podman as non-root,
+        # so in that case, this warning is printed every-time
         print("Warning: Can't detect number of CPU cores from cgroups",
               file=sys.stderr)
         return None

test/run

@@ -1,6 +1,6 @@
 #!/bin/bash
 #
-# The 'run' performs a simple test that verifies that STI image.
+# The 'run' performs a simple test that verifies that S2I image.
 # The main focus is that the image prints out the base-usage properly.
 #
 # IMAGE_NAME specifies a name of the candidate image used for testing.
@@ -9,18 +9,82 @@
 IMAGE_NAME=${IMAGE_NAME-centos/s2i-core-centos7-candidate}
 
 test_docker_run_usage() {
-	echo "Testing 'docker run' usage..."
-	docker run --rm ${IMAGE_NAME} &>/dev/null
+  echo "Testing 'docker run' usage..."
+  docker run --rm ${IMAGE_NAME} &>/dev/null
+}
+
+test_cgroup_limits() {
+  echo "Testing 'cgroup limits' usage..."
+  if [ $EUID -eq 0 ]; then
+    echo "  The test is running as root, all tests for cgroup limits will be run"
+
+    # check memory limited (only works when running as root)
+    echo "  Testing 'limited memory' usage..."
+    if ! ( eval $(docker run --rm --memory=512M ${IMAGE_NAME} /usr/bin/cgroup-limits)
+           echo "MEMORY_LIMIT_IN_BYTES=$MEMORY_LIMIT_IN_BYTES"
+           [ "$MEMORY_LIMIT_IN_BYTES" -eq 536870912 ] ); then
+      echo "MEMORY_LIMIT_IN_BYTES not set to 536870912."
+      return 1
+    fi
+
+    # check cores number (only works when running as root)
+    echo "  Testing 'NUMBER_OF_CORES' value..."
+    if ! ( eval $(docker run --rm ${IMAGE_NAME} /usr/bin/cgroup-limits)
+           echo "NUMBER_OF_CORES=$NUMBER_OF_CORES"
+           [ "$NUMBER_OF_CORES" -gt 0 ] ); then
+      echo "NUMBER_OF_CORES not set."
+      return 1
+    fi
+
+    # check cores number (only works when running as root)
+    echo "  Testing 'NUMBER_OF_CORES' value with --cpuset-cpus=0..."
+    if ! ( eval $(docker run --rm --cpuset-cpus=0 ${IMAGE_NAME} /usr/bin/cgroup-limits)
+           echo "NUMBER_OF_CORES=$NUMBER_OF_CORES"
+           [ "$NUMBER_OF_CORES" -eq 1 ] ); then
+      echo "NUMBER_OF_CORES not set to 1 when set --cpuset-cpus=0."
+      return 1
+    fi
+
+  else
+    echo "  The test is running as non-root, some tests for cgroup limits are skipped"
+  fi
+
+  # check NO_MEMORY_LIMIT when no limit is set
+  echo "  Testing 'NO_MEMORY_LIMIT' value..."
+  if ! ( eval $(docker run --rm ${IMAGE_NAME} /usr/bin/cgroup-limits)
+         echo "NO_MEMORY_LIMIT=$NO_MEMORY_LIMIT"
+         [ "$NO_MEMORY_LIMIT" == 'true' ] ); then
+    echo "NO_MEMORY_LIMIT not set to true."
+    return 1
+  fi
+
+  # check default memory in bytes
+  echo "  Testing 'MEMORY_LIMIT_IN_BYTES' value..."
+  if ! ( eval $(docker run --rm ${IMAGE_NAME} /usr/bin/cgroup-limits)
+         echo "MEMORY_LIMIT_IN_BYTES=$MEMORY_LIMIT_IN_BYTES"
+				 # This value can be different, but it must be very big (comparing to 10TB)
+         [ "$MEMORY_LIMIT_IN_BYTES" -gt 10000000000000 ] ); then
+    echo "MEMORY_LIMIT_IN_BYTES not greater than 10000000000000."
+    return 1
+  fi
 }
 
 check_result() {
-	local result="$1"
-	if [[ "$result" != "0" ]]; then
-		echo "STI image '${IMAGE_NAME}' test FAILED (exit code: ${result})"
-		exit $result
-	fi
+  local result="$1"
+  if [[ "$result" != "0" ]]; then
+    echo "S2I image '${IMAGE_NAME}' test FAILED (exit code: ${result})"
+    exit $result
+  fi
 }
 
 # Verify the 'usage' script is working properly when running the base image with 'docker run ...'
 test_docker_run_usage
 check_result $?
+
+# Verify the cgroup-limits script works as expected
+test_cgroup_limits
+check_result $?
+
+echo "Tests for '${IMAGE_NAME}' succeeded."
+
+# vim: set tabstop=2:shiftwidth=2:expandtab: