Intermediate changes

1 files changed, 23 insertions, 0 deletions

diff --git a/library/recipes/docker_compose/lib/__init__.py b/library/recipes/docker_compose/lib/__init__.py
index 93fe7133e7..affdb08369 100644
--- a/library/recipes/docker_compose/lib/__init__.py
+++ b/library/recipes/docker_compose/lib/__init__.py
@@ -24,7 +24,28 @@ class DockerComposeRecipeException(Exception):
         super(DockerComposeRecipeException, self).__init__("[[bad]]{}[[rst]]".format(msg))
 
 
+def avoid_env_interpolation(env=None):
+    # For more info see
+    # - https://docs.docker.com/compose/compose-file/12-interpolation
+    # - https://github.com/docker/compose/issues/9704
+    # - https://st.yandex-team.ru/YA-1810
+
+    env = env or os.environ
+    replaced = []
+
+    for key, val in env.items():
+        if "$" in val:
+            replaced.append(key)
+            env[key] = re.sub(r"((^\$$)|([^\$]\$$)|(\$[^\$\{A-Za-z]))", r"\1$", val)
+
+    if replaced:
+        logger.debug("Replacing $ with $$ to avoid incorrect interpolation for %s. Fore more info see https://docs.docker.com/compose/compose-file/12-interpolation", replaced)
+    return env
+
+
 def start(argv):
+    avoid_env_interpolation(env=os.environ)
+
     args = _parse_args(argv)
 
     yml_file, cwd = get_compose_file_and_cwd(argv)
@@ -78,6 +99,8 @@ def start(argv):
 
 
 def stop(argv):
+    avoid_env_interpolation(env=os.environ)
+
     if yatest.common.get_param("docker-pause"):
         library.python.testing.recipe.tty()
         try: