Remove zap from dockerfile and update version update scripts (project…

…-chip#24732)

* Remove zap from dockerfile and update version update scripts

* Documentation update

* Restyle

* Fix typo

* Update docs/code_generation.md

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

---------

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

docs/code_generation.md

@@ -22,8 +22,8 @@ The selection of enabled clusters and files is done using
 [ZAP](https://github.com/project-chip/zap). You can download a recent release of
 zap from its [releases page](https://github.com/project-chip/zap/releases). It
 is recommended to download a release that is in sync with the currently in use
-version by the SDK (see `integrations/docker/images/chip-build/Dockerfile` and
-check the `ZAP_VERSION` setting).
+version by the SDK (see `scripts/zap.json` and
+`scripts/tools/zap/zap_execution.py` for the minimum supported version).
 
 Beyond basic zap file selection, there are also `.json` zap settings that define
 additional cluster info: source XML files, sdk-access methods and data types.
@@ -36,9 +36,17 @@ There are only two such files currently in use:
 
 ### Installing zap and environment variables
 
-Matter scripts may need to invoke `zap-cli` (for code generation) or `zap` (to
-start the UI tool). For this, scrips need to know where to find the commands. In
-the following order, the scripts process these environment variables:
+ZAP is generally installed as a third-party tool via CIPD during the build
+environment bootstrap (see `scripts/zap.json`), which makes `zap-cli` available
+in `$PATH` when running in a build environment.
+
+**NOTE**: zap packages are currently NOT available for `arm64` (like when
+compiling on Raspberry PI.). In these cases one should check out zap from source
+and set `$ZAP_DEVELOPMENT_PATH` as described below.
+
+When matter scripts need to invoke `zap-cli` (for code generation) or `zap` (to
+start the UI tool), they make use of the following environment variables to
+figure out where the zap tool is located (in order of precedence):
 
 -   if `$ZAP_DEVELOPMENT_PATH` is set, code assumes you are running zap from
     source. Use this if you develop zap. Zap has to be bootstrapped (generally
@@ -48,7 +56,8 @@ the following order, the scripts process these environment variables:
 -   if `$ZAP_INSTALL_PATH` is set, code assumes that `zap` or `zap-cli` is
     available in the given path. This is generally an unpacked release.
 
--   otherwise, scripts will assume `zap`/`zap-cli` is in `$PATH`
+-   otherwise, scripts will assume `zap`/`zap-cli` is in `$PATH` (this is the
+    case when running in a bootstrapped environment)
 
 ### Using a UI to edit `.zap` files
 

integrations/docker/images/chip-build/Dockerfile

@@ -176,24 +176,6 @@ RUN set -x \
     && rm -rf glib \
     && : # last line
 
-# Install a known ZAP release
-# Only keep the cli version, since `zap` is 143MB and not usable (UI)
-#
-# NOTE: zap version occurs in several files (CI and docker)
-#       for a uniform update, a separate update script exists:
-#
-#       scripts/tools/zap/version_update.py
-ENV ZAP_VERSION=v2023.01.19-nightly
-RUN set -x \
-    && mkdir -p /opt/zap-${ZAP_VERSION} \
-    && cd /opt/zap-${ZAP_VERSION} \
-    && wget https://github.com/project-chip/zap/releases/download/${ZAP_VERSION}/zap-linux.zip \
-    && unzip zap-linux.zip \
-    && rm zap-linux.zip \
-    && rm zap \
-    && ln -s /opt/zap-${ZAP_VERSION}/zap-cli /usr/bin/ \
-    && : # last line
-
 # NodeJS: install a newer version than what apt-get would read
 # This installs the latest LTS version of nodejs
 #

integrations/docker/images/chip-build/version

@@ -1 +1 @@
-0.6.36 Version bump reason: K32W0-SDK 2.6.9 update
+0.6.37 Version bump reason: removed ZAP from docker as CIPD now has it.

scripts/tools/zap/version_update.py

@@ -53,38 +53,17 @@
     'scripts/zap.json',
 ]
 
-# Note that chip-cert-bits is assumed USAGE on purpose (it compiles code)
-#
-# The chip-build image change will affect all other images as they extend
-# chip-build
-DOCKER_FILES_DEPENDING_ON_ZAP_VERSION = [
-    'integrations/docker/images/chip-build/Dockerfile',
-]
-
 
 class UpdateChoice(Flag):
     # Usage updates the CI, chip-cert and execution logic. Generally everything
     # that would make use of the updated zap version
     USAGE = auto()
 
-    # Docker updates just the chip-build (and as a side-effect underlying)
-    # image(s). This is a pre-requisite to be able to start using the new
-    # version.
-    DOCKER = auto()
-
 
 __UPDATE_CHOICES__ = {
-    'docker': UpdateChoice.DOCKER,
     'usage': UpdateChoice.USAGE,
-    'all': UpdateChoice.DOCKER | UpdateChoice.USAGE,
 }
 
-# NOTE: you likely need to also update
-#   integrations/docker/images/chip-build/version
-#
-# in PRs that update chip-build Dockerfiles. This update is not automated in
-# this script.
-
 # Apart from the above files which contain an exact ZAP version, the zap
 # execution script contains the mimimal zap execution version, which generally
 # we also enforce to be the current version.
@@ -106,9 +85,9 @@ class UpdateChoice(Flag):
     help='Determines the verbosity of script output.')
 @click.option(
     '--update',
-    default='docker',
+    default='usage',
     type=click.Choice(__UPDATE_CHOICES__.keys(), case_sensitive=False),
-    help='What to update: docker, usage, all. Default is "docker".')
+    help='What to update: usage (only choice currently).')
 @click.option(
     '--new-version',
     default=None,
@@ -136,9 +115,6 @@ def version_update(log_level, update, new_version):
     if UpdateChoice.USAGE in update:
         files_to_update += USAGE_FILES_DEPENDING_ON_ZAP_VERSION
 
-    if UpdateChoice.DOCKER in update:
-        files_to_update += DOCKER_FILES_DEPENDING_ON_ZAP_VERSION
-
     for name in files_to_update:
         with open(os.path.join(CHIP_ROOT_DIR, name), 'rt') as f:
             file_data = f.read()