Adds build status sticker to README and runs test on different Python versions (#84)

* Adds build status sticker to README

* Adds Python version to test matrix

* Adds debug echo message

* Adds back Python 3.5.3 to test matrix

.ci/jobs/defaults.yml

@@ -51,6 +51,10 @@
         type: yaml
         filename: .ci/test-matrix.yml
         name: TEST_SUITE
+    - axis:
+        type: yaml
+        filename: .ci/test-matrix.yml
+        name: PYTHON_VERSION
     yaml-strategy:
       exclude-key: exclude
       filename: .ci/test-matrix.yml

.ci/run-tests

@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+echo $PYTHON_VERSION
+
 if [[ -z $ELASTICSEARCH_VERSION ]]; then
   echo -e "\033[31;1mERROR:\033[0m Required environment variable [ELASTICSEARCH_VERSION] not set\033[0m"
   exit 1
@@ -56,7 +58,7 @@ echo -e "\033[1m>>>>> YOUR STEPS HERE >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
 
 echo -e "\033[1m>>>>> Build [elastic/eland container] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
 
-docker build --file .ci/Dockerfile --tag elastic/eland .
+docker build --file .ci/Dockerfile --tag elastic/eland --build-arg PYTHON_VERSION=${PYTHON_VERSION} .
 
 echo -e "\033[1m>>>>> Run [elastic/eland container] >>>>>>>>>>>>>>>>>>>>>>>>>>>>>\033[0m"
 

README.md

@@ -1,3 +1,5 @@
+ [![Build Status](https://clients-ci.elastic.co/buildStatus/icon?job=elastic%2Beland%2Bmaster)](https://clients-ci.elastic.co/job/elastic+eland+master/)
+
 # What is it?
 
 eland is a elasticsearch client Python package to analyse, explore and manipulate data that resides in elasticsearch.