Add ALLOW_BROKEN_CONDITIONALS variable before calling ansible-playbook.

Author: ysiraichi

.github/workflows/_build_torch_xla.yml

@@ -58,6 +58,8 @@ jobs:
       - name: Build
         if: inputs.has_code_changes == 'true'
         shell: bash
+        env:
+          - ALLOW_BROKEN_CONDITIONALS: 1
         run: |
           cd pytorch/xla/infra/ansible
           ansible-playbook playbook.yaml -vvv -e "stage=build arch=amd64 accelerator=tpu src_root=${GITHUB_WORKSPACE} bundle_libtpu=0 build_cpp_tests=1 git_versioned_xla_build=1 cache_suffix=-ci" --skip-tags=fetch_srcs,install_deps

infra/ansible/Dockerfile

@@ -7,6 +7,8 @@ WORKDIR /ansible
 RUN pip install ansible
 COPY . /ansible
 
+ENV ALLOW_BROKEN_CONDITIONALS "1"
+
 ARG ansible_vars
 # HACK: install build dependencies only, but skip build step
 RUN ansible-playbook -vvv playbook.yaml -e "stage=build" -e "${ansible_vars}" --tags "bazel,configure_env,install_deps"

infra/ansible/development.Dockerfile

@@ -11,7 +11,10 @@ RUN pip install ansible
 COPY . /ansible
 WORKDIR /ansible
 
-# List Asnible tasks to apply for the dev image.
+# Ansible 2.19 requires this environment variable being set, so that we can use
+# string variables as boolean. 
+ENV ALLOW_BROKEN_CONDITIONALS "1"
+# List Ansible tasks to apply for the dev image.
 ENV TAGS="bazel,configure_env,install_deps"
 
 ARG ansible_vars

infra/ansible/e2e_tests.Dockerfile

@@ -7,6 +7,10 @@ WORKDIR /ansible
 RUN pip install ansible
 COPY . /ansible
 
+# Ansible 2.19 requires this environment variable being set, so that we can use
+# string variables as boolean. 
+ENV ALLOW_BROKEN_CONDITIONALS "1"
+
 # Build PyTorch and PyTorch/XLA wheels.
 ARG ansible_vars
 RUN ansible-playbook -vvv playbook.yaml -e "stage=build" -e "${ansible_vars}"

infra/ansible/ptxla_docker_for_torchprime.Dockerfile

@@ -44,6 +44,10 @@ WORKDIR /ansible
 RUN pip install ansible
 COPY --from=ansible . /ansible
 
+# Ansible 2.19 requires this environment variable being set, so that we can use
+# string variables as boolean. 
+ENV ALLOW_BROKEN_CONDITIONALS "1"
+
 ARG ansible_vars
 RUN ansible-playbook -vvv playbook.yaml -e "stage=release" -e "${ansible_vars}" --tags "install_deps"