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Add special conditions for bootable containers #12531

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@jan-cerny jan-cerny commented Oct 23, 2024

This commit adds 2 new Jinja macros: bootc_build and not_bootc_build. These macros define Bash conditional expressions that are evaluated as true or false if the remediation is performed during a build of a bootable container image or not performed during a build of a bootable container image. These macros can be used in Bash remediation code. They can be used to control the remediation behavior in the bootable container build environment.

The code relies on new OpenSCAP feature implemented in OpenSCAP/openscap#2170.

This commit changes the Bash remediation in rule
disable_ctrlaltdel_reboot to demonstrate usefulness of the new macros.

This commit adds 2 new Jinja macros: `bootc_build` and
`not_bootc_build`.  These macros define Bash conditional expressions
that are evaluated as true or false if the remediation is performed
during a build of a bootable container image or not performed during a
build of a bootable container image. These macros can be used in Bash
remediation code.  They can be used to control the remediation behavior
in the bootable container build environment.

This commit changes the Bash remediation in rule
`disable_ctrlaltdel_reboot` to demonstrate usefulness of the new macros.
@jan-cerny jan-cerny added the Image Mode Bootable containers and Image Mode RHEL label Oct 23, 2024
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Start a new ephemeral environment with changes proposed in this pull request:

rhel8 (from CTF) Environment (using Fedora as testing environment)
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Fedora Testing Environment
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Oracle Linux 8 Environment
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@jan-cerny jan-cerny added this to the 0.1.75 milestone Oct 23, 2024
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This datastream diff is auto generated by the check Compare DS/Generate Diff

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bash remediation for rule 'xccdf_org.ssgproject.content_rule_disable_ctrlaltdel_reboot' differs.
--- xccdf_org.ssgproject.content_rule_disable_ctrlaltdel_reboot
+++ xccdf_org.ssgproject.content_rule_disable_ctrlaltdel_reboot
@@ -1,8 +1,13 @@
 # Remediation is applicable only in certain platforms
 if rpm --quiet -q kernel; then
 
-systemctl disable --now ctrl-alt-del.target
-systemctl mask --now ctrl-alt-del.target
+if [[ "$OSCAP_BOOTC_BUILD" == "YES" ]] ; then
+    systemctl disable ctrl-alt-del.target
+    systemctl mask ctrl-alt-del.target
+else
+    systemctl disable --now ctrl-alt-del.target
+    systemctl mask --now ctrl-alt-del.target
+fi
 
 else
     >&2 echo 'Remediation is not applicable, nothing was done'

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codeclimate bot commented Oct 23, 2024

Code Climate has analyzed commit ded83b3 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 60.9% (0.0% change).

View more on Code Climate.

@jan-cerny
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/retest

@Mab879 Mab879 self-assigned this Oct 24, 2024
This macro defines a conditional expression that is evaluated as true
if the remediation is performed during a build of a bootable container image.
#}}
{{%- macro bootc_build() -%}}
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Should we prefix with bash_?

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2 participants