nexus_upload.sh

#!/bin/bash

# Set of all jars, that script will manage 
jars=( test1.jar test2.jar )


# Group id parsed to uri format com.asd => com/asd 
GROUP_URI=$(echo $GROUP | tr . /)

echo Parameters: 
echo REPO_ID = $REPO_ID
echo GROUP = $GROUP
echo VERSION = $VERSION
echo OLD_VERSION = $OLD_VERSION
echo DELETE_OLD_VERSION = $DELETE_OLD_VERSION
echo DELETE_DOWNLOADED_ARTIFACTS = $DELETE_DOWNLOADED_ARTIFACTS
echo USERNAME = $USERNAME
echo JENKINS_WS_URL = $JENKINS_WS_URL
echo NEXUS_URL = $NEXUS_URL
echo GROUP_URI = $GROUP_URI

# Gets name and extension from artifact name 
function parse_artifact_name {
  filename=$(basename "$jar")
  extension="${filename##*.}"
  filename="${filename%.*}"
}

# Download jars to current directory on local machine  
function download_jars {
  echo; echo Downloading jars from $JENKINS_WS_URL
  for jar in ${jars[@]}
  do
    echo; echo Downloading $jar
    wget -cNq $JENKINS_WS_URL/$jar
  done
}

# Upload jars from current directory to nexus by specified GARV coordinates 
function upload_jars {
  echo; echo Uploading jars v$VERSION
  for jar in ${jars[@]}
  do
    parse_artifact_name

    echo; echo Uploading $jar
    curl -F r=$REPO_ID -F hasPom=false -F e=$extension -F g=$GROUP -F a=$filename -F v=$VERSION -F p=$extension -F file=@$jar -u $USERNAME:$PASSWORD $NEXUS_URL/service/local/artifact/maven/content 
  done
}

# Delete jars from nexus 
function delete_jars {
  echo; echo Delete jars v$OLD_VERSION
  for jar in ${jars[@]}
  do
    parse_artifact_name

    echo; echo Deleting $jar  v$OLD_VERSION
    curl -XDELETE -u$USERNAME:$PASSWORD $NEXUS_URL/service/local/repositories/$REPO_ID/content/$GROUP_URI/$filename/$OLD_VERSION
  done
}

# Delete metadata to make nexus rebuild it (required after deletion of jars)
function update_metadata {
  for jar in ${jars[@]}
  do
    parse_artifact_name
    
    echo; echo Updating metadata $jar
    curl -XDELETE -u$USERNAME:$PASSWORD $NEXUS_URL/service/local/metadata/repositories/$REPO_ID/content/$GROUP_URI/$filename
  done
}

# Download locally and upload to nexus new version 
if [ -n "$VERSION" ] 
then 
  mkdir -p $VERSION
  cd $VERSION
  download_jars
  upload_jars
  cd ..
else 
  echo Version to upload is null. Skipping upload ...
fi

# Delete old version 
if [[ -n "$OLD_VERSION" ]] && $DELETE_OLD_VERSION
then
  echo Deleting $OLD_VERSION 
  delete_jars
  update_metadata
  if [[ -d "$OLD_VERSION" ]]
  then
    rm -rf $OLD_VERSION
  fi
else
  echo Deletion of old jars is not requested. Skipping ...
fi

# Delete downloaded jars
if $DELETE_DOWNLOADED_ARTIFACTS 
then 
  rm -rf "$VERSION"
else
  echo Deletion of downloaded jars is not requested. Skipping ...
fi