[jira] [Created] (AURORA-1473) Add build properties into scheduler /var endpoint

[Maxim Khutornenko (JIRA)]

Maxim Khutornenko created AURORA-1473:
-----------------------------------------

             Summary: Add build properties into scheduler /var endpoint
                 Key: AURORA-1473
                 URL: https://issues.apache.org/jira/browse/AURORA-1473
             Project: Aurora
          Issue Type: Task
          Components: Build
            Reporter: Maxim Khutornenko


The https://reviews.apache.org/r/37987/ removed (legitimately) an unused piece 
of functionality that could be very useful to us. The BuildInfo used to 
aggregate build properties (see below) and exposed them via our stats /var 
endpoint. Suggest restoring BuildInfo and adding a gradle hook to populate 
build details.

Example bash script collecting git/build props:
{noformat}
set -eu

properties_file=$1

mkdir -p $(dirname $properties_file)

cat > $properties_file <<EOF
build.time=$(date -u +'%Y-%m-%d %H:%M:%S %Z')
build.date=$(date +'%a %Y-%m-%d')
build.git.revision=$(git rev-parse HEAD)
build.git.tag=$(git describe --dirty)
build.machine=$(hostname -f)
build.path=$PWD
build.user.name=$USER
EOF
{noformat}

Example gradle integration:
{noformat}
task generateBuildProperties (type:Exec) {
  def outputDir = file("${buildDir}/build-properties")
  def outputFile = file("${outputDir}/build.properties")
  inputs.dir rootDir
  outputs.dir outputDir
  doFirst {
    outputDir.exists() || outputDir.mkdirs()
  }

  commandLine "${projectDir}/build-support/generate-build-properties", 
"${outputFile}"
}

sourceSets {
  main {
    output.dir generateBuildProperties
  }
}
{noformat}



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