Add chip-cert to build_examples.py (project-chip#15147)

* Add chip cert tool to build_examples

* Add chip-cert to the example build CI

* Fix build tests unittest

* Restyle

.github/workflows/examples-linux-standalone.yaml

@@ -61,6 +61,11 @@ jobs:
                   path: |
                    .environment/gn_out/.ninja_log
                    .environment/pigweed-venv/*.log
+            - name: Build Standalone cert tool
+              timeout-minutes: 5
+              run: |
+                 ./scripts/run_in_build_env.sh \
+                 "./scripts/build/build_examples.py --no-log-timestamps --target-glob '*-chip-cert' build"
             - name: Build example Standalone Echo Client
               timeout-minutes: 5
               run: |

scripts/build/build/targets.py

@@ -145,6 +145,8 @@ def HostTargets():
         targets[0].Extend('rpc-console', app=HostApp.RPC_CONSOLE))
     app_targets.append(
         targets[0].Extend('tv-app', app=HostApp.TV_APP))
+    app_targets.append(
+        targets[0].Extend('chip-cert', app=HostApp.CERT_TOOL))
 
     for target in targets:
         app_targets.append(target.Extend(

scripts/build/builders/host.py

@@ -30,6 +30,7 @@ class HostApp(Enum):
     LOCK = auto()
     TESTS = auto()
     SHELL = auto()
+    CERT_TOOL = auto()
 
     def ExamplePath(self):
         if self == HostApp.ALL_CLUSTERS:
@@ -50,6 +51,8 @@ def ExamplePath(self):
             return '../'
         elif self == HostApp.SHELL:
             return 'shell/standalone'
+        elif self == HostApp.CERT_TOOL:
+            return '..'
         else:
             raise Exception('Unknown app type: %r' % self)
 
@@ -83,6 +86,9 @@ def OutputNames(self):
         elif self == HostApp.SHELL:
             yield 'chip-shell'
             yield 'chip-shell.map'
+        elif self == HostApp.CERT_TOOL:
+            yield 'cert-tool'
+            yield 'cert-tool.map'
         else:
             raise Exception('Unknown app type: %r' % self)
 
@@ -169,6 +175,15 @@ def __init__(self, root, runner, app: HostApp, board=HostBoard.NATIVE, enable_ip
             self.extra_gn_options.append('chip_build_tests=true')
             self.build_command = 'check'
 
+        if app == HostApp.CERT_TOOL:
+            # Certification only built for openssl
+            if self.board == HostBoard.ARM64:
+                # OpenSSL and MBEDTLS conflict. We only cross compile with mbedtls
+                raise Exception(
+                    "Cannot cross compile CERT TOOL: ssl library conflict")
+            self.extra_gn_options.append('chip_crypto="openssl"')
+            self.build_command = 'src/tools/chip-cert'
+
     def GnBuildArgs(self):
         if self.board == HostBoard.NATIVE:
             return self.extra_gn_options

scripts/build/testdata/build_linux_on_x64.txt

@@ -70,6 +70,12 @@ gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/exa
 # Generating linux-x64-all-clusters-ipv6only
 gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/all-clusters-app/linux --args=chip_inet_config_enable_ipv4=false {out}/linux-x64-all-clusters-ipv6only
 
+# Generating linux-x64-chip-cert
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root} '--args=chip_crypto="openssl"' {out}/linux-x64-chip-cert
+
+# Generating linux-x64-chip-cert-ipv6only
+gn gen --check --fail-on-unused-args --export-compile-commands --root={root} '--args=chip_inet_config_enable_ipv4=false chip_crypto="openssl"' {out}/linux-x64-chip-cert-ipv6only
+
 # Generating linux-x64-chip-tool
 gn gen --check --fail-on-unused-args --export-compile-commands --root={root}/examples/chip-tool {out}/linux-x64-chip-tool
 
@@ -157,6 +163,12 @@ ninja -C {out}/linux-x64-all-clusters
 # Building linux-x64-all-clusters-ipv6only
 ninja -C {out}/linux-x64-all-clusters-ipv6only
 
+# Building linux-x64-chip-cert
+ninja -C {out}/linux-x64-chip-cert src/tools/chip-cert
+
+# Building linux-x64-chip-cert-ipv6only
+ninja -C {out}/linux-x64-chip-cert-ipv6only src/tools/chip-cert
+
 # Building linux-x64-chip-tool
 ninja -C {out}/linux-x64-chip-tool