[Pulp-dev] Docker Schema version data model question

[Partha Aji]

I was trying to figure out pulp's data model changes with respect to
DockerV2 Schema2. Looking at
https://github.com/pulp/pulp_docker/commit/35dc19c8522f840d464bec2e93f45b4bb57b4f80#diff-6c740284d714e1a0349c86bed5617b76
I only see schema-version column added to tags and no changes in the
manifest collection. But in the database I see the following
For manifests there is a schema_version column

> db.units_docker_manifest.find()[0]
{
  "_id" : "582cb097-5c81-499a-adec-5d18470014f5",
  "pulp_user_metadata" : {

  },
  "_last_updated" : 1487212925,
  "_storage_path" :
"/var/lib/pulp/content/units/docker_manifest/9e/2aadfbd6d73d35bddbf2db2925503047fc84fdcba439f4069c80ceaca37f02/sha256:b5dd2db609f090a39b65a39489eb3eb670f559af40fc5d206b2a05451355ba72",
  "downloaded" : true,
  "digest" :
"sha256:b5dd2db609f090a39b65a39489eb3eb670f559af40fc5d206b2a05451355ba72",
  "name" : "library/busybox",
  "tag" : "1-glibc",
  "schema_version" : 1,
  "fs_layers" : [
    {
      "blob_sum" :
"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"
    },
    {
      "blob_sum" :
"sha256:df74c0cea8ad6b25004db74b9829d513990ac7e219128594eb2b7df2d785f961"
    }
  ],
  "_ns" : "units_docker_manifest",
  "_content_type_id" : "docker_manifest"
}


And for tags there is one also.

> db.units_docker_tag.find()[0]
> {
>   "_id" : "cc3d103d-f6ab-4efd-a936-e99dfc43691d",
>   "repo_id" : "dd8fa453-9923-4fc1-99b6-8137a2bb5bf3",
>   "manifest_digest" :
> "sha256:3e00695ae65afe08d3cc4e1c0bc4efb335e9c158c9b5a5f7c045c9ec380c731b",
>   "_ns" : "units_docker_tag",
>   "_last_updated" : 1487212925,
>   "schema_version" : 1,
>   "pulp_user_metadata" : {
>
>   },
>   "_content_type_id" : "docker_tag",
>   "name" : "1.24.2-glibc"
> }
>


I am I assuming correctly when I say "schema-version" in
"units_docker_manifest" refers to api version V1 vs V2 while
"schema-version" in "units_docker_tag" refers to schema-version1 vs
schema-version 2 ?

If my assumption is correct then I have a diff issue. Katello typically
says "use v2 only" when creating a repo. Yet when I synced busy box I see
manifests with schema-verision = 1.  Shouldnt it be only showing stuff with
schema-version=2 ??


>
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