Revert "improvement: S3C-2292 Upgrade node version"

This reverts commit 4e0d97cf69.

eve/main.yml

@@ -1,36 +0,0 @@
----
-version: 0.2
-
-branches:
-  feature/*, documentation/*, improvement/*, bugfix/*, w/*, q/*, hotfix/*: 
-    stage: pre-merge
-
-stages:
-  pre-merge:
-    worker: &master-worker
-      type: docker
-      path: eve/workers/master
-      volumes:
-        - '/home/eve/workspace'
-    steps:
-      - Git:
-          name: fetch source
-          repourl: '%(prop:git_reference)s'
-          shallow: 'True'
-          retryFetch: 'True'
-          haltOnFailure: 'True'
-      - ShellCommand:
-          name: install dependencies
-          command: npm install
-      - ShellCommand:
-          name: run lint
-          command: npm run --silent lint -- --max-warnings 0
-      - ShellCommand:
-          name: run lint_md
-          command: npm run --silent lint_md
-      - ShellCommand:
-          name: run test
-          command: npm run test
-      - ShellCommand:
-          name: run coverage
-          command: npm run coverage

eve/workers/master/Dockerfile

@@ -1,53 +0,0 @@
-FROM ubuntu:trusty
-
-#
-# Install apt packages needed by the buildchain
-#
-ENV LANG C.UTF-8
-COPY buildbot_worker_packages.list vaultclient_packages.list /tmp/
-RUN apt-get update -q && apt-get -qy install curl apt-transport-https \
-    && apt-get install -qy software-properties-common python-software-properties \
-    && curl --silent https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - \
-    && echo "deb https://deb.nodesource.com/node_10.x trusty main" > /etc/apt/sources.list.d/nodesource.list \
-    && add-apt-repository ppa:ubuntu-toolchain-r/test \
-    && apt-get update -q \
-    && cat /tmp/buildbot_worker_packages.list | xargs apt-get install -qy \
-    && cat /tmp/vaultclient_packages.list | xargs apt-get install -qy \
-    && pip install pip==9.0.1 \
-    && rm -rf /var/lib/apt/lists/* \
-    && rm -f /tmp/*_packages.list
-
-#
-# Install usefull nodejs dependencies
-#
-
-RUN npm install mocha -g
-
-#
-# Add user eve
-#
-
-RUN adduser -u 1042 --home /home/eve --disabled-password --gecos "" eve \
-    && adduser eve sudo \
-    && echo 'eve ALL=NOPASSWD: ALL' >> /etc/sudoers
-
-#
-# Run buildbot-worker on startup
-#
-
-ARG BUILDBOT_VERSION=0.9.12
-RUN pip install buildbot-worker==$BUILDBOT_VERSION
-
-USER eve
-ENV HOME /home/eve
-#
-# Setup nodejs environmnent
-#
-
-ENV CXX=g++-4.9
-ENV LANG C.UTF-8
-
-
-WORKDIR /home/eve/workspace
-CMD buildbot-worker create-worker . "$BUILDMASTER:$BUILDMASTER_PORT" "$WORKERNAME" "$WORKERPASS" \
-    && buildbot-worker start --nodaemon

eve/workers/master/buildbot_worker_packages.list

@@ -1,9 +0,0 @@
-ca-certificates
-git
-libffi-dev
-libssl-dev
-python2.7
-python2.7-dev
-python-pip
-software-properties-common
-sudo

eve/workers/master/vaultclient_packages.list

@@ -1,2 +0,0 @@
-nodejs
-g++-4.9

package.json

@@ -1,9 +1,9 @@
 {
   "name": "werelogs",
   "engines": {
-    "node": ">=10"
+     "node": ">=6.9.5"
   },
-  "version": "7.4.1",
+  "version": "7.4.0",
   "description": "An efficient raw JSON logging library aimed at micro-services architectures.",
   "main": "index.js",
   "scripts": {