pipeline for releasing the docker images (#1953)

* adds docker tag action

Signed-off-by: Wenqi Li <wenqil@nvidia.com>

* adds tag info

Signed-off-by: Wenqi Li <wenqil@nvidia.com>

* update versioneer

Signed-off-by: Wenqi Li <wenqil@nvidia.com>

Author: wyli

.github/workflows/release.yml

@@ -83,3 +83,32 @@ jobs:
         password: ${{ secrets.TEST_PYPI }}
         repository_url: https://test.pypi.org/legacy/
 
+  release_docker:
+    if: github.repository == 'Project-MONAI/MONAI'
+    needs: packaging
+    runs-on: [ self-hosted, linux, x64, build_only ]
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: master
+      - name: Set tag
+        id: versioning
+        run: echo ::set-output name=tag::${GITHUB_REF#refs/*/}
+      - name: Check tag
+        env:
+          RELEASE_VERSION: ${{ steps.versioning.outputs.tag }}
+        run: |
+          echo "$RELEASE_VERSION"
+      - if: startsWith(github.ref, 'refs/tags/')
+        name: build with the tag
+        env:
+          RELEASE_VERSION: ${{ steps.versioning.outputs.tag }}
+        run: |
+          git fetch --depth=1 origin +refs/tags/*:refs/tags/*
+          # remove flake package as it is not needed on hub.docker.com
+          sed -i '/flake/d' requirements-dev.txt
+          docker build -t projectmonai/monai:"$RELEASE_VERSION" -f Dockerfile .
+          # distribute with a tag to hub.docker.com
+          echo "${{ secrets.DOCKER_PW }}" | docker login -u projectmonai --password-stdin
+          docker push projectmonai/monai:"$RELEASE_VERSION"
+          docker logout

.github/workflows/setupapp.yml

@@ -159,6 +159,8 @@ jobs:
         ref: master
     - name: docker_build
       run: |
+        # get tag info for versioning
+        git fetch --depth=1 origin +refs/tags/*:refs/tags/*
         # build and run original docker image for local registry
         docker build -t localhost:5000/local_monai:latest -f Dockerfile .
         docker push localhost:5000/local_monai:latest

monai/_version.py

@@ -1,11 +1,12 @@
+
 # This file helps to compute a version number in source trees obtained from
 # git-archive tarball (such as those provided by githubs download-from-tag
 # feature). Distribution tarballs (built by setup.py sdist) and build
 # directories (produced by setup.py build) will contain a much shorter file
 # that just contains the computed version number.
 
 # This file is released into the public domain. Generated by
-# versioneer-0.18 (https://github.com/warner/python-versioneer)
+# versioneer-0.19 (https://github.com/python-versioneer/python-versioneer)
 
 """Git implementation of _version.py."""
 
@@ -56,7 +57,7 @@ class NotThisMethod(Exception):
 
 
 def register_vcs_handler(vcs, method):  # decorator
-    """Decorator to mark a method as the handler for a particular VCS."""
+    """Create decorator to mark a method as the handler of a VCS."""
     def decorate(f):
         """Store f in HANDLERS[vcs][method]."""
         if vcs not in HANDLERS:
@@ -92,9 +93,7 @@ def run_command(commands, args, cwd=None, verbose=False, hide_stderr=False,
         if verbose:
             print("unable to find command, tried %s" % (commands,))
         return None, None
-    stdout = p.communicate()[0].strip()
-    if sys.version_info[0] >= 3:
-        stdout = stdout.decode()
+    stdout = p.communicate()[0].strip().decode()
     if p.returncode != 0:
         if verbose:
             print("unable to run %s (error)" % dispcmd)
@@ -164,6 +163,10 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         raise NotThisMethod("no keywords at all, weird")
     date = keywords.get("date")
     if date is not None:
+        # Use only the last line.  Previous lines may contain GPG signature
+        # information.
+        date = date.splitlines()[-1]
+
         # git-2.2.0 added "%cI", which expands to an ISO-8601 -compliant
         # datestamp. However we prefer "%ci" (which expands to an "ISO-8601
         # -like" string, which we must then edit to make compliant), because
@@ -299,6 +302,9 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
     # commit date: see ISO-8601 comment in git_versions_from_keywords()
     date = run_command(GITS, ["show", "-s", "--format=%ci", "HEAD"],
                        cwd=root)[0].strip()
+    # Use only the last line.  Previous lines may contain GPG signature
+    # information.
+    date = date.splitlines()[-1]
     pieces["date"] = date.strip().replace(" ", "T", 1).replace(" ", "", 1)
 
     return pieces
@@ -337,18 +343,18 @@ def render_pep440(pieces):
 
 
 def render_pep440_pre(pieces):
-    """TAG[.post.devDISTANCE] -- No -dirty.
+    """TAG[.post0.devDISTANCE] -- No -dirty.
 
     Exceptions:
-    1: no tags. 0.post.devDISTANCE
+    1: no tags. 0.post0.devDISTANCE
     """
     if pieces["closest-tag"]:
         rendered = pieces["closest-tag"]
         if pieces["distance"]:
-            rendered += ".post.dev%d" % pieces["distance"]
+            rendered += ".post0.dev%d" % pieces["distance"]
     else:
         # exception #1
-        rendered = "0.post.dev%d" % pieces["distance"]
+        rendered = "0.post0.dev%d" % pieces["distance"]
     return rendered
 
 
@@ -494,7 +500,7 @@ def get_versions():
         # versionfile_source is the relative path from the top of the source
         # tree (where the .git directory might live) to this file. Invert
         # this to find the root from __file__.
-        for i in cfg.versionfile_source.split('/'):  # lgtm[py/unused-loop-variable]
+        for i in cfg.versionfile_source.split('/'):
             root = os.path.dirname(root)
     except NameError:
         return {"version": "0+unknown", "full-revisionid": None,