Remove deprecated "extra_instructions" option for containers (#40365)

lib/spack/docs/containers.rst

@@ -212,18 +212,12 @@ under the ``container`` attribute of environments:
          final:
          - libgomp
 
-       # Extra instructions
-       extra_instructions:
-         final: |
-           RUN echo 'export PS1="\[$(tput bold)\]\[$(tput setaf 1)\][gromacs]\[$(tput setaf 2)\]\u\[$(tput sgr0)\]:\w $ "' >> ~/.bashrc
-
        # Labels for the image
        labels:
          app: "gromacs"
          mpi: "mpich"
 
-A detailed description of the options available can be found in the
-:ref:`container_config_options` section.
+A detailed description of the options available can be found in the :ref:`container_config_options` section.
 
 -------------------
 Setting Base Images

lib/spack/spack/container/writers/__init__.py

@@ -272,13 +272,6 @@ def _os_pkg_manager(self):
             raise spack.error.SpackError(msg)
         return os_pkg_manager
 
-    @tengine.context_property
-    def extra_instructions(self):
-        Extras = namedtuple("Extra", ["build", "final"])
-        extras = self.container_config.get("extra_instructions", {})
-        build, final = extras.get("build", None), extras.get("final", None)
-        return Extras(build=build, final=final)
-
     @tengine.context_property
     def labels(self):
         return self.container_config.get("labels", {})

lib/spack/spack/schema/container.py

@@ -68,12 +68,6 @@
         "labels": {"type": "object"},
         # Use a custom template to render the recipe
         "template": {"type": "string", "default": None},
-        # Add a custom extra section at the bottom of a stage
-        "extra_instructions": {
-            "type": "object",
-            "additionalProperties": False,
-            "properties": {"build": {"type": "string"}, "final": {"type": "string"}},
-        },
         # Reserved for properties that are specific to each format
         "singularity": {
             "type": "object",
@@ -89,15 +83,6 @@
         "docker": {"type": "object", "additionalProperties": False, "default": {}},
         "depfile": {"type": "boolean", "default": False},
     },
-    "deprecatedProperties": {
-        "properties": ["extra_instructions"],
-        "message": (
-            "container:extra_instructions has been deprecated and will be removed "
-            "in Spack v0.21. Set container:template appropriately to use custom Jinja2 "
-            "templates instead."
-        ),
-        "error": False,
-    },
 }
 
 properties = {"container": container_schema}

lib/spack/spack/test/container/docker.py

@@ -82,23 +82,6 @@ def test_strip_is_set_from_config(minimal_configuration):
     assert writer.strip is False
 
 
-def test_extra_instructions_is_set_from_config(minimal_configuration):
-    writer = writers.create(minimal_configuration)
-    assert writer.extra_instructions == (None, None)
-
-    test_line = "RUN echo Hello world!"
-    e = minimal_configuration["spack"]["container"]
-    e["extra_instructions"] = {}
-    e["extra_instructions"]["build"] = test_line
-    writer = writers.create(minimal_configuration)
-    assert writer.extra_instructions == (test_line, None)
-
-    e["extra_instructions"]["final"] = test_line
-    del e["extra_instructions"]["build"]
-    writer = writers.create(minimal_configuration)
-    assert writer.extra_instructions == (None, test_line)
-
-
 def test_custom_base_images(minimal_configuration):
     """Test setting custom base images from configuration file"""
     minimal_configuration["spack"]["container"]["images"] = {

share/spack/templates/container/Dockerfile

@@ -39,9 +39,6 @@ RUN find -L {{ paths.view }}/* -type f -exec readlink -f '{}' \; | \
 RUN cd {{ paths.environment }} && \
     spack env activate --sh -d . > activate.sh
 
-{% if extra_instructions.build %}
-{{ extra_instructions.build }}
-{% endif %}
 {% endblock build_stage %}
 {% endif %}
 
@@ -70,10 +67,6 @@ RUN {% if os_package_update %}{{ os_packages_final.update }} \
  && {% endif %}{{ os_packages_final.install }} {{ os_packages_final.list | join | replace('\n', ' ') }} \
  && {{ os_packages_final.clean }}
 {% endif %}
-{% if extra_instructions.final %}
-
-{{ extra_instructions.final }}
-{% endif %}
 {% endblock final_stage %}
 {% for label, value in labels.items() %}
 LABEL "{{ label }}"="{{ value }}"

share/spack/templates/container/singularity.def

@@ -39,9 +39,6 @@ EOF
     grep 'x-executable\|x-archive\|x-sharedlib' | \
     awk -F: '{print $1}' | xargs strip
 {% endif %}
-{% if extra_instructions.build %}
-{{ extra_instructions.build }}
-{% endif %}
 {% endblock build_stage %}
 {% if apps %}
 {% for application, help_text in apps.items() %}
@@ -80,9 +77,6 @@ Stage: final
 {% endif %}
   # Modify the environment without relying on sourcing shell specific files at startup
   cat {{ paths.environment }}/environment_modifications.sh >> $SINGULARITY_ENVIRONMENT
-{% if extra_instructions.final %}
-{{ extra_instructions.final }}
-{% endif %}
 {% endblock final_stage %}
 {% if runscript %}