remove cache_from_tag (#4837)

Author: junpuf

src/image.py

@@ -39,7 +39,6 @@ def __init__(
         tag,
         to_build,
         stage,
-        cache_from_tag,
         context=None,
         to_push=True,
         additional_tags=[],
@@ -53,7 +52,6 @@ def __init__(
         self.build_args = {}
         self.labels = {}
         self.stage = stage
-        self.cache_from_tag = cache_from_tag
         self.dockerfile = dockerfile
         self.context = context
         self.to_push = to_push
@@ -205,7 +203,6 @@ def docker_build(self, fileobj=None, custom_context=False):
         """
         response = [f"Starting the Build Process for {self.repository}:{self.tag}"]
         LOGGER.info(f"Starting the Build Process for {self.repository}:{self.tag}")
-        LOGGER.info(f"Using cache_from {self.repository}:{self.cache_from_tag}")
 
         line_counter = 0
         line_interval = 50
@@ -220,7 +217,6 @@ def docker_build(self, fileobj=None, custom_context=False):
             buildargs=self.build_args,
             labels=self.labels,
             target=self.target,
-            cache_from=[f"{self.repository}:{self.cache_from_tag}"],  # Add cache source
         ):
             # print the log line during build for every line_interval lines for debugging
             if line_counter % line_interval == 0:

src/image_builder.py

@@ -134,10 +134,8 @@ def image_builder(buildspec, image_types=[], device_types=[]):
             ARTIFACTS.update(image_config["context"])
 
         if build_context == "PR":
-            cache_from_tag = tag_image_with_pr_number(image_config["tag"])
             image_tag = tag_image_with_pr_number(image_config["tag"])
         else:
-            cache_from_tag = image_config["tag"]
             image_tag = image_config["tag"]
 
         if is_autopatch_build_enabled(buildspec_path=buildspec):
@@ -361,7 +359,6 @@ def image_builder(buildspec, image_types=[], device_types=[]):
             tag=append_tag(image_tag, "pre-push"),
             to_build=image_config["build"],
             stage=constants.PRE_PUSH_STAGE,
-            cache_from_tag=cache_from_tag,
             context=context,
             additional_tags=additional_image_tags,
             target=target,
@@ -373,7 +370,7 @@ def image_builder(buildspec, image_types=[], device_types=[]):
         # inside function get_common_stage_image_object we make pre_push_stage_image_object non pushable.
         if image_config.get("enable_common_stage_build", True):
             common_stage_image_object = generate_common_stage_image_object(
-                pre_push_stage_image_object, image_tag, cache_from_tag
+                pre_push_stage_image_object, image_tag
             )
             COMMON_STAGE_IMAGES.append(common_stage_image_object)
 
@@ -477,7 +474,7 @@ def process_images(pre_push_image_list, pre_push_image_type="Pre-push", buildspe
     return images_to_push
 
 
-def generate_common_stage_image_object(pre_push_stage_image_object, image_tag, cache_from_tag):
+def generate_common_stage_image_object(pre_push_stage_image_object, image_tag):
     """
     Creates a common stage image object for a pre_push stage image. If for a pre_push stage image we create a common
     stage image, then we do not push the pre_push stage image to the repository. Instead, we just push its common stage
@@ -499,7 +496,6 @@ def generate_common_stage_image_object(pre_push_stage_image_object, image_tag, c
         tag=append_tag(image_tag, "multistage-common"),
         to_build=pre_push_stage_image_object.to_build,
         stage=constants.COMMON_STAGE,
-        cache_from_tag=cache_from_tag,
         additional_tags=pre_push_stage_image_object.additional_tags,
     )
     pre_push_stage_image_object.to_push = False