Revert "Rewrite managing of virtualenvs"

This reverts commit 1dcc7b6852ca1d6e2b72cf2e8d4a7f7bf7e2602d.

Reason for revert: merged by mistake

Change-Id: I6ec48448d9f4f8c3a81a508c246b0848bd5e12b0
diff --git a/jobs/pipelines/run-test-scenarios.groovy b/jobs/pipelines/run-test-scenarios.groovy
index b83dcec..fc45ad8 100644
--- a/jobs/pipelines/run-test-scenarios.groovy
+++ b/jobs/pipelines/run-test-scenarios.groovy
@@ -65,6 +65,12 @@
                 stage("report results to testrail from jenkins master") {
                     if ("${env.REPORT_TO_TESTRAIL}" != "false") {
                         common.infoMsg("Running on: " + env.PARENT_NODE_NAME, "blue")
+                        shared.verbose_sh("""\
+                               [ -d /home/jenkins/venv_testrail_reporter ] || virtualenv --python=python3.7 /home/jenkins/venv_testrail_reporter""", true, false, true)
+                        sshagent(credentials: ['maintenance-team-ssh']) {
+                            shared.run_cmd("""\
+                                    . /home/jenkins/venv_testrail_reporter/bin/activate; pip install git+ssh://maintenance-ci-robot@gerrit.mcp.mirantis.com:29418/mcp/testrail-reporter -U""")
+                        }
                         shared.swarm_testrail_report(steps, env.PARENT_NODE_NAME)
                     } else {
                         common.infoMsg("REPORT_TO_TESTRAIL is set to FALSE. Skipped this step ")