Add registration info to the image structure & a GET endpoint.

cdmtaskservice/app.py

@@ -67,6 +67,7 @@
     app.add_middleware(GZipMiddleware)
     app.include_router(routes.ROUTER_GENERAL)
     app.include_router(routes.ROUTER_JOBS)
+    app.include_router(routes.ROUTER_IMAGES)
     app.include_router(routes.ROUTER_ADMIN)
     app.include_router(routes.ROUTER_CALLBACKS)
 

cdmtaskservice/app_state.py

@@ -112,7 +112,7 @@
         runners = {models.Cluster.PERLMUTTER_JAWS: nerscjawsflow}
         imginfo = await DockerImageInfo.create(Path(cfg.crane_path).expanduser().absolute())
         images = Images(mongodao, imginfo)
-        job_state = JobState(mongodao, s3, coman, runners)
+        job_state = JobState(mongodao, s3, images, coman, runners)
         app.state._mongo = mongocli
         app.state._coroman = coman
         app.state._cdmstate = AppState(

cdmtaskservice/image_remote_lookup.py

@@ -169,7 +169,7 @@ async def _run_crane(self, *args) -> (int, str, str):
 
 
 # TODO TEST add tests calling this method specifically
-def parse_image_name(image_name: str) -> reference.Reference:
+def parse_image_name(image_name: str) -> ParsedImageName:
     image_name = image_name.strip() if image_name is not None else None
     # Image name rules: https://docs.docker.com/reference/cli/docker/image/tag/
     # Don't do an exhaustive check here, but enough that we're reasonably confident

cdmtaskservice/images.py

@@ -4,8 +4,9 @@
 
 from cdmtaskservice import models
 from cdmtaskservice.arg_checkers import not_falsy as _not_falsy
-from cdmtaskservice.image_remote_lookup import DockerImageInfo
+from cdmtaskservice.image_remote_lookup import DockerImageInfo, parse_image_name
 from cdmtaskservice.mongo import MongoDAO
+from cdmtaskservice.timestamp import utcdatetime
 
 
 class Images:
@@ -23,22 +24,39 @@
         self._mongo = _not_falsy(mongo, "mongo")
         self._iminfo = _not_falsy(imageinfo, "imageinfo")
 
-    async def register(self, imagename: str):
+    async def register(self, imagename: str, username: str) -> models.Image:
+        """
+        Register an image to the service.
+
+        imagename - the name of the docker image, e.g. gchr.io/kbase/checkm2:6.7.1
+        username - the name of the user registering the image.
+        """
         normedname = await self._iminfo.normalize_image_name(imagename)
         # Just use the sha for entrypoint lookup to ensure we get the right image
         entrypoint = await self._iminfo.get_entrypoint_from_name(normedname.name_with_digest)
         if not entrypoint:
             raise NoEntrypointError(f"Image {imagename} does not have an entrypoint")
-        # TODO DATAINTEG add username and date created
         # TODO REFDATA allow specifying refdata for image
         img = models.Image(
             name=normedname.name,
             digest = normedname.digest,
             tag=normedname.tag,
-            entrypoint=entrypoint
+            entrypoint=entrypoint,
+            registered_by=username,
+            registered_on=utcdatetime()
         )
         await self._mongo.save_image(img)
         return img
+
+    async def get_image(self, imagename) -> models.Image:
+        """
+        Get an image.
+        """
+        parsedimage = parse_image_name(imagename)
+        tag = parsedimage.tag
+        if not parsedimage.tag and not parsedimage.digest:
+            tag = "latest"
+        return await self._mongo.get_image(parsedimage.name, digest=parsedimage.digest, tag=tag)
 
 
 class NoEntrypointError(Exception):

cdmtaskservice/job_state.py

@@ -11,7 +11,7 @@
 from cdmtaskservice.arg_checkers import not_falsy as _not_falsy, require_string as _require_string
 from cdmtaskservice.coroutine_manager import CoroutineWrangler
 from cdmtaskservice.exceptions import UnauthorizedError
-from cdmtaskservice.image_remote_lookup import parse_image_name
+from cdmtaskservice.images import Images
 from cdmtaskservice.mongo import MongoDAO
 from cdmtaskservice.s3.client import S3Client
 from cdmtaskservice.s3.paths import S3Paths
@@ -26,15 +26,18 @@
         self,
         mongo: MongoDAO,
         s3client: S3Client,
+        images: Images,
         coro_manager: CoroutineWrangler,
         job_runners: dict[models.Cluster, Any],  # Make abstract class if necessary
     ):
         """
         mongo - a MongoDB DAO object.
         s3Client - an S3Client pointed at the S3 storage system to use.
+        images - a handler for getting images.
         coro_manager - a coroutine manager.
         job_runners - a mapping of remote compute cluster to the job runner for that cluster.
         """
+        self._images = _not_falsy(images, "images")
         self._s3 = _not_falsy(s3client, "s3client")
         self._mongo = _not_falsy(mongo, "mongo")
         self._coman = _not_falsy(coro_manager, "coro_manager")
@@ -52,11 +55,7 @@
         _not_falsy(job_input, "job_input")
         _not_falsy(user, "user")
         # Could parallelize these ops but probably not worth it
-        parsedimage = parse_image_name(job_input.image)
-        tag = parsedimage.tag
-        if not parsedimage.tag and not parsedimage.digest:
-            tag = "latest"
-        image = await self._mongo.get_image(parsedimage.name, digest=parsedimage.digest, tag=tag)
+        image = await self._images.get_image(job_input.image)
         await self._s3.has_bucket(job_input.output_dir.split("/", 1)[0])
         paths = [f.file if isinstance(f, models.S3File) else f for f in job_input.input_files]
         # TODO PERF may want to make concurrency configurable here

cdmtaskservice/models.py

@@ -660,6 +660,14 @@ class Image(BaseModel):
         description="The image tag at registration time. "
             + "The tag may no longer point to the same image."
     )] = None
+    registered_by: Annotated[str, Field(
+        example="aparkin",
+        description="The username of the user that registered this image."
+    )]
+    registered_on: Annotated[datetime.datetime, Field(
+        example="2024-10-24T22:35:40Z",
+        description="The time of registration."
+    )]
     # TODO REFERENCEDATA add reference data ID
 
     @property

cdmtaskservice/routes.py

@@ -35,6 +35,7 @@
 # may need to split these into different files if this file gets too big
 ROUTER_GENERAL = APIRouter(tags=["General"])
 ROUTER_JOBS = APIRouter(tags=["Jobs"], prefix="/jobs")
+ROUTER_IMAGES = APIRouter(tags=["Images"], prefix="/images")
 ROUTER_ADMIN = APIRouter(tags=["Admin"], prefix="/admin")
 ROUTER_CALLBACKS = APIRouter(tags=["Callbacks"])
 
@@ -146,6 +147,32 @@
     return await job_state.get_job(job_id, user.user)
 
 
+_ANN_IMAGE_ID = Annotated[str, FastPath(
+    example="ghcr.io/kbase/collections:checkm2_0.1.6"
+        + "@sha256:c9291c94c382b88975184203100d119cba865c1be91b1c5891749ee02193d380",
+    description="The name of a docker image. Include the SHA to ensure "
+        + "referencing the correct image.",
+    # Don't bother validating other than some basic checks, validation will occur when
+    # checking / getting the image SHA from the remote repository
+    min_length=1,
+    max_length=1000,
+)]
+
+
+@ROUTER_IMAGES.get(
+    "/{image_id:path}",
+    response_model=models.Image,
+    summary="Get an image by name",
+    description="Get an image previously registered to the system by the image name."
+)
+async def get_image(
+    r: Request,
+    image_id: _ANN_IMAGE_ID,
+    # Public for now - any reason for these to be private to KBase staff?
+):
+    return await app_state.get_app_state(r).images.get_image(image_id)
+
+
 @ROUTER_ADMIN.post(
     "/images/{image_id:path}",
     response_model=models.Image,
@@ -157,21 +184,12 @@
 )
 async def approve_image(
     r: Request,
-    image_id: Annotated[str, FastPath(
-        example="ghcr.io/kbase/collections:checkm2_0.1.6"
-            + "@sha256:c9291c94c382b88975184203100d119cba865c1be91b1c5891749ee02193d380",
-        description="The Docker image to run for the job. Include the SHA to ensure the "
-            + "exact code requested is run.",
-        # Don't bother validating other than some basic checks, validation will occur when
-        # checking / getting the image SHA from the remote repository
-        min_length=1,
-        max_length=1000,
-    )],
+    image_id: _ANN_IMAGE_ID,
     user: kb_auth.KBaseUser=Depends(_AUTH)
 ) -> models.Image:
     _ensure_admin(user, "Only service administrators can approve images.")
     images = app_state.get_app_state(r).images
-    return await images.register(image_id)
+    return await images.register(image_id, user.user)
 
 
 @ROUTER_ADMIN.get(