Base support for Ubuntu 26.04

Author: samcmill

docs/misc_api.md

@@ -91,9 +91,9 @@ __Arguments__
 
 - __distro (string)__: Valid values are `centos7`, `centos8`, `rhel7`,
 `rhel8`, `rockylinux8`, `rockylinux9`, `rockylinux10`, `ubuntu16`,
-`ubuntu18`, `ubuntu20`, `ubuntu22`, and `ubuntu24`.  `ubuntu` is an
-alias for `ubuntu16`, `centos` is an alias for `centos7`, and `rhel`
-is an alias for `rhel7`.
+`ubuntu18`, `ubuntu20`, `ubuntu22`, `ubuntu24`, and `ubuntu26`.
+`ubuntu` is an alias for `ubuntu16`, `centos` is an alias for `centos7`,
+and `rhel` is an alias for `rhel7`.
 
 
 ## set_singularity_version

docs/primitives.md

@@ -23,10 +23,10 @@ is `docker` (Singularity specific).
 - ___distro__: The underlying Linux distribution of the base image.
 Valid values are `centos`, `centos7`, `centos8`, `redhat`, `rhel`,
 `rhel7`, `rhel8`, `rockylinux8`, `rockylinux9`, `rockylinux10`,
-`ubuntu`, `ubuntu16`, `ubuntu18`, `ubuntu20`, `ubuntu22`, and `ubuntu24`.
-By default, the primitive attempts to figure out the Linux distribution
-by inspecting the image identifier, and falls back to `ubuntu` if unable
-to determine the Linux distribution automatically.
+`ubuntu`, `ubuntu16`, `ubuntu18`, `ubuntu20`, `ubuntu22`, `ubuntu24`,
+and `ubuntu26`.  By default, the primitive attempts to figure out the
+Linux distribution by inspecting the image identifier, and falls back
+to `ubuntu` if unable to determine the Linux distribution automatically.
 
 - ___docker_env__: Boolean specifying whether to load the Docker base
  image environment, i.e., source

hpccm/building_blocks/ofed.py

@@ -113,7 +113,9 @@ def __distro(self):
             if hpccm.config.g_linux_version >= Version('18.0'):
                 # Give priority to packages from the Ubuntu repositories over
                 # vendor repositories
-                if hpccm.config.g_linux_version >= Version('24.0'):
+                if hpccm.config.g_linux_version >= Version('26.0'):
+                    self.__extra_opts = ['-t resolute']
+                elif hpccm.config.g_linux_version >= Version('24.0'):
                     self.__extra_opts = ['-t noble']
                 elif hpccm.config.g_linux_version >= Version('22.0'):
                     self.__extra_opts = ['-t jammy']

hpccm/config.py

@@ -176,9 +176,9 @@ def set_linux_distro(distro):
 
   distro (string): Valid values are `centos7`, `centos8`, `rhel7`,
   `rhel8`, `rockylinux8`, `rockylinux9`, `rockylinux10`, `ubuntu16`,
-  `ubuntu18`, `ubuntu20`, `ubuntu22`, and `ubuntu24`.  `ubuntu` is an
-  alias for `ubuntu16`, `centos` is an alias for `centos7`, and `rhel`
-  is an alias for `rhel7`.
+  `ubuntu18`, `ubuntu20`, `ubuntu22`, `ubuntu24`, and `ubuntu26`.
+  `ubuntu` is an alias for `ubuntu16`, `centos` is an alias for `centos7`,
+  and `rhel` is an alias for `rhel7`.
 
   """
   this = sys.modules[__name__]
@@ -227,6 +227,9 @@ def set_linux_distro(distro):
   elif distro == 'ubuntu24':
     this.g_linux_distro = linux_distro.UBUNTU
     this.g_linux_version = Version('24.04')
+  elif distro == 'ubuntu26':
+    this.g_linux_distro = linux_distro.UBUNTU
+    this.g_linux_version = Version('26.04')
   else:
     logging.warning('Unable to determine the Linux distribution, defaulting to Ubuntu')
     this.g_linux_distro = linux_distro.UBUNTU

hpccm/primitives/baseimage.py

@@ -51,10 +51,10 @@ class baseimage(object):
     _distro: The underlying Linux distribution of the base image.
     Valid values are `centos`, `centos7`, `centos8`, `redhat`, `rhel`,
     `rhel7`, `rhel8`, `rockylinux8`, `rockylinux9`, `rockylinux10`,
-    `ubuntu`, `ubuntu16`, `ubuntu18`, `ubuntu20`, `ubuntu22`, and `ubuntu24`.
-    By default, the primitive attempts to figure out the Linux distribution
-    by inspecting the image identifier, and falls back to `ubuntu` if unable
-    to determine the Linux distribution automatically.
+    `ubuntu`, `ubuntu16`, `ubuntu18`, `ubuntu20`, `ubuntu22`, `ubuntu24`,
+    and `ubuntu26`.  By default, the primitive attempts to figure out the
+    Linux distribution by inspecting the image identifier, and falls back
+    to `ubuntu` if unable to determine the Linux distribution automatically.
 
     _docker_env: Boolean specifying whether to load the Docker base
      image environment, i.e., source
@@ -123,6 +123,8 @@ def __init__(self, **kwargs):
             hpccm.config.set_linux_distro('ubuntu22')
         elif self.__distro == 'ubuntu24':
             hpccm.config.set_linux_distro('ubuntu24')
+        elif self.__distro == 'ubuntu26':
+            hpccm.config.set_linux_distro('ubuntu26')
         elif self.__distro == 'centos':
             hpccm.config.set_linux_distro('centos')
         elif self.__distro == 'centos7':
@@ -167,6 +169,8 @@ def __init__(self, **kwargs):
             hpccm.config.set_linux_distro('ubuntu22')
         elif re.search(r'ubuntu:?24', self.image):
             hpccm.config.set_linux_distro('ubuntu24')
+        elif re.search(r'ubuntu:?26', self.image):
+            hpccm.config.set_linux_distro('ubuntu26')
         elif re.search(r'ubuntu', self.image):
             hpccm.config.set_linux_distro('ubuntu')
         else:

test/helpers.py

@@ -230,6 +230,15 @@ def wrapper(*args, **kwargs):
 
     return wrapper
 
+def ubuntu26(function):
+    """Decorator to set the Linux distribution to Ubuntu 26.04"""
+    def wrapper(*args, **kwargs):
+        hpccm.config.g_linux_distro = linux_distro.UBUNTU
+        hpccm.config.g_linux_version = Version('26.04')
+        return function(*args, **kwargs)
+
+    return wrapper
+
 def x86_64(function):
     """Decorator to set the CPU architecture to x86_64"""
     def wrapper(*args, **kwargs):

test/test_baseimage.py

@@ -316,6 +316,13 @@ def test_distro_ubuntu24(self):
         self.assertEqual(hpccm.config.g_linux_distro, linux_distro.UBUNTU)
         self.assertEqual(hpccm.config.g_linux_version, Version('24.04'))
 
+    @docker
+    def test_distro_ubuntu26(self):
+        """Base image Linux distribution specification"""
+        b = baseimage(image='foo', _distro='ubuntu26')
+        self.assertEqual(hpccm.config.g_linux_distro, linux_distro.UBUNTU)
+        self.assertEqual(hpccm.config.g_linux_version, Version('26.04'))
+
     @docker
     def test_distro_centos(self):
         """Base image Linux distribution specification"""

test/test_ofed.py

@@ -22,7 +22,7 @@
 import logging # pylint: disable=unused-import
 import unittest
 
-from helpers import aarch64, centos, centos8, docker, rockylinux9, ubuntu, ubuntu18, ubuntu20, ubuntu22, ubuntu24, ppc64le, x86_64
+from helpers import aarch64, centos, centos8, docker, rockylinux9, ubuntu, ubuntu18, ubuntu20, ubuntu22, ubuntu24, ubuntu26, ppc64le, x86_64
 
 from hpccm.building_blocks.ofed import ofed
 
@@ -166,6 +166,32 @@ def test_defaults_ubuntu24(self):
         rdmacm-utils && \
     rm -rf /var/lib/apt/lists/*''')
 
+    @x86_64
+    @ubuntu26
+    @docker
+    def test_defaults_ubuntu26(self):
+        """Default ofed building block"""
+        o = ofed()
+        self.assertEqual(str(o),
+r'''# OFED
+RUN apt-get update -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends -t resolute \
+        dapl2-utils \
+        ibutils \
+        ibverbs-providers \
+        ibverbs-utils \
+        infiniband-diags \
+        libdapl-dev \
+        libdapl2 \
+        libibmad-dev \
+        libibmad5 \
+        libibverbs-dev \
+        libibverbs1 \
+        librdmacm-dev \
+        librdmacm1 \
+        rdmacm-utils && \
+    rm -rf /var/lib/apt/lists/*''')
+
     @x86_64
     @centos
     @docker