Publish to Apache nightlies server (#60)

.github/actions/sync-nightlies/action.yml

@@ -0,0 +1,86 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Based on Apache Arrow's sync-nightlies action
+# https://github.com/apache/arrow/blob/master/.github/actions/sync-nightlies/action.yml
+name: 'Sync Nightlies'
+description: 'Sync files to and from nightlies.apache.org'
+inputs:
+  upload:
+    description: 'Sync from local to remote'
+    default: false
+    required: false
+  switches:
+    description: 'see rsync --help'
+    required: true
+  local_path:
+    description: 'The relative local path within $GITHUB_WORKSPACE'
+    required: true
+  remote_path:
+    description: 'The remote path incl. sub dirs e.g. {{secrets.path}}/arrow/r'
+    required: true
+  remote_host:
+    description: 'The remote host'
+    required: true
+  remote_port:
+    description: 'The remote port'
+    required: false
+    default: 22
+  remote_user:
+    description: 'The remote user'
+    required: true
+  remote_key:
+    description: 'The remote key'
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+    - name: Sync files
+      shell: bash
+      env:
+        SWITCHES: "${{ inputs.switches }}"
+        LOCAL_PATH: "${{ github.workspace }}/${{ inputs.local_path }}"
+
+        SSH_KEY: "${{ inputs.remote_key }}"
+        PORT: "${{ inputs.remote_port }}"
+        USER: "${{ inputs.remote_user }}"
+        HOST: "${{ inputs.remote_host }}"
+        REMOTE_PATH: "${{ inputs.remote_path }}"
+      run: |
+        # Make SSH key available and add remote to known hosts
+        eval "$(ssh-agent)" > /dev/null
+        echo "$SSH_KEY" | tr -d '\r' | ssh-add - >/dev/null
+        mkdir -p .ssh
+        chmod go-rwx .ssh
+        echo "$HOST_KEY" >> .ssh/known_hosts
+        # strict errors
+        set -eu
+        # We have to use a custom RSH to supply the port
+        RSH="ssh -o StrictHostKeyChecking=no -p $PORT"
+        DSN="$USER@$HOST"
+        # It is important to append '/' to the source path otherwise
+        # the entire source dir will be created as a sub dir in the destination
+        if [ "${{ inputs.upload }}" = true ]
+        then
+          SOURCE=$LOCAL_PATH/
+          DEST=$DSN:$REMOTE_PATH
+        else
+          SOURCE=$DSN:$REMOTE_PATH/
+          DEST=$LOCAL_PATH
+        fi
+        rsync $SWITCHES --rsh="$RSH" $SOURCE $DEST

.github/workflows/publish-nightly.yml

@@ -0,0 +1,116 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# Based on Apache Arrow's java-nightly workflow
+# https://github.com/apache/arrow/blob/master/.github/workflows/java_nightly.yml
+name: Publish nightly artifacts
+
+on:
+  workflow_dispatch:
+    inputs:
+      keep:
+        description: Number of versions to keep.
+        required: false
+        default: 30
+  schedule:
+    - cron: "0 0 * * *"
+  push:
+    branches:
+      - 'main'
+
+permissions:
+  contents: read
+
+jobs:
+  publish-nightly:
+    name: Publish nightly
+    runs-on: ubuntu-20.04
+    if: github.repository == 'apache/incubator-pekko'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Set up JDK 11
+        uses: olafurpg/setup-scala@v13
+        with:
+          java-version: adopt@1.11
+
+      - name: Publish local
+        run: |-
+          sudo apt-get install graphviz
+          # disable mima check until first pekko release is done
+          # sbt +mimaReportBinaryIssues
+          sbt +publishM2
+
+      - name: Cache Coursier cache
+        uses: coursier/cache-action@v6.4.0
+
+      - name: Sync from remote
+        uses: ./.github/actions/sync-nightlies
+        with:
+          switches: -avzh --update --delete --progress
+          local_path: repo
+          remote_path: ${{ secrets.NIGHTLIES_RSYNC_PATH }}/pekko/snapshots
+          remote_host: ${{ secrets.NIGHTLIES_RSYNC_HOST }}
+          remote_port: ${{ secrets.NIGHTLIES_RSYNC_PORT }}
+          remote_user: ${{ secrets.NIGHTLIES_RSYNC_USER }}
+          remote_key: ${{ secrets.NIGHTLIES_RSYNC_KEY }}
+
+      - shell: bash
+        name: Show local repo sync from remote
+        run: |
+          for i in `ls -t repo/org/apache/pekko/`; do
+            echo "- $i: $(find repo/org/apache/pekko/$i -mindepth 1 -maxdepth 1 -type d \
+            | wc -l \
+            | xargs) versions available"
+          done
+
+      - shell: bash
+        name: Copy snapshots from local m2 repository
+        run: |
+          mkdir -p repo/org/apache/pekko/
+          cp -R $HOME/.m2/repository/org/apache/pekko/ repo/org/apache
+
+      - name: Prune repository
+        shell: bash
+        env:
+          KEEP: ${{ github.event.inputs.keep || 30 }}
+        run: |
+          for i in `ls -t repo/org/apache/pekko/`; do
+            find repo/org/apache/pekko/$i -mindepth 1 -maxdepth 1 -type d -print0 \
+            | xargs -0 ls -t -d \
+            | tail -n +$((KEEP + 1)) \
+            | xargs rm -rf
+          done
+
+      - name: Show repo contents
+        run: tree repo
+
+      - name: Sync to Remote
+        if: ${{ github.repository == 'apache/incubator-pekko' }}
+        uses: ./.github/actions/sync-nightlies
+        with:
+          upload: true
+          switches: -avzh --omit-dir-times --update --delete --progress
+          local_path: repo
+          remote_path: ${{ secrets.NIGHTLIES_RSYNC_PATH }}/pekko/snapshots
+          remote_host: ${{ secrets.NIGHTLIES_RSYNC_HOST }}
+          remote_port: ${{ secrets.NIGHTLIES_RSYNC_PORT }}
+          remote_user: ${{ secrets.NIGHTLIES_RSYNC_USER }}
+          remote_key: ${{ secrets.NIGHTLIES_RSYNC_KEY }}

.github/workflows/publish.yml

@@ -2,12 +2,6 @@ name: Publish
 
 on:
   push:
-    branches:
-      - master
-      - main
-      # for testing the GH Action without merging to main,
-      # in some cases
-      - test-publish-snapshots
     tags: ["*"]
 
 jobs:

RELEASING.md

@@ -51,8 +51,6 @@ scaladoc generation build task, which is part of the release.
 ## Snapshot releases
 
 To create snapshot versions manually, use `sbt clean publishLocal`.
-If you have access, you can use `+publishSigned` to publish them to
-sonatype.
 
 ## Releasing only updated docs
 

docs/src/main/paradox/project/links.md

@@ -32,11 +32,11 @@ All Akka releases are published via Sonatype to Maven Central, see
 
 ## Snapshots Repository
 
-Snapshot builds are available at [https://oss.sonatype.org/content/repositories/snapshots/com/typesafe/akka/](https://oss.sonatype.org/content/repositories/snapshots/com/typesafe/akka/). All Akka modules that belong to the same build have the same version.
+Snapshot builds are published nightly and are available for 30 days at [https://nightlies.apache.org/pekko/snapshots/org/apache/pekko/](https://nightlies.apache.org/pekko/snapshots/org/apache/pekko/). All Apache Pekko modules that belong to the same build have the same version.
 
 @@@ warning
 
-The use of Akka SNAPSHOTs, nightlies and milestone releases is discouraged unless you know what you are doing.
+The use of Apache Pekko SNAPSHOTs, nightlies and milestone releases is discouraged unless you know what you are doing.
 
 @@@
 
@@ -45,7 +45,7 @@ The use of Akka SNAPSHOTs, nightlies and milestone releases is discouraged unles
 Make sure that you add the repository to the sbt resolvers:
 
 ```
-resolvers ++= Resolver.sonatypeOssRepos("snapshots")
+resolvers ++= "Apache Pekko Snapshots" at "https://nightlies.apache.org/pekko/snapshots"
 ```
 
 Define the library dependencies with the complete version. For example:
@@ -63,8 +63,8 @@ Make sure that you add the repository to the Maven repositories in pom.xml:
 ```
 <repositories>
   <repository>
-    <id>oss-sonatype</id>
+    <id>apache-pekko-snapshots</id>
-    <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+    <url>https://nightlies.apache.org/pekko/snapshots</url>
     <layout>default</layout>
     <snapshots>
       <enabled>true</enabled>

docs/src/main/paradox/project/scala3.md

@@ -1,19 +1,19 @@
 # Scala 3 support
 
-Akka has experimental support for Scala 3.
+Apache Pekko has experimental support for Scala 3.
 
 ## Using 2.13 artifacts in Scala 3
 
 You can use [CrossVersion.for3Use2_13](https://scala-lang.org/blog/2021/04/08/scala-3-in-sbt.html#using-scala-213-libraries-in-scala-3)
-to use the regular 2.13 Akka artifacts in a Scala 3 project. This has been
+to use the regular 2.13 Apache Pekko artifacts in a Scala 3 project. This has been
 shown to be successful for Streams, HTTP and gRPC-heavy applications.
 
 ## Scala 3 artifacts
 
-Starting with Akka version 2.6.18 (and on current [development snapshots](https://oss.sonatype.org/content/repositories/snapshots/com/typesafe/akka/akka-actor_3/)),
+Experimental Scala 3 artifacts are published.
-we are publishing experimental Scala 3 artifacts that can be used 'directly'
-(without `CrossVersion`) with Scala 3.
 
-We encourage you to try out these artifacts and [report any findings](https://github.com/akka/akka/issues?q=is%3Aopen+is%3Aissue+label%3At%3Ascala-3).
+[Development snapshots](https://nightlies.apache.org/pekko/snapshots/org/apache/pekko/pekko-actor_3/) can be found in the snapshots repository.
+
+We encourage you to try out these artifacts and [report any findings](https://github.com/apache/incubator-pekko/issues?q=is%3Aopen+is%3Aissue+label%3At%3Ascala-3).
 
 We do not promise @ref:[binary compatibility](../common/binary-compatibility-rules.md) for these artifacts yet.