diff --git a/.travis/config.sh b/.travis/config.sh
index 5619ab3..85040b2 100644
--- a/.travis/config.sh
+++ b/.travis/config.sh
@@ -12,6 +12,12 @@
 #       - LSR_ANSIBLES
 #       - LSR_MSCENARIOS
 #
+#   * .travis/runcoveralls.sh:
+#
+#       - LSR_PUBLISH_COVERAGE
+#       - LSR_TESTSDIR
+#       - function lsr_runcoveralls_hook
+#
 # Environment variables that not start with LSR_* but have influence on CI
 # process:
 #
@@ -35,3 +41,4 @@
 #   * .travis/runpytest.sh:
 #
 #       - RUN_PYTEST_SETUP_MODULE_UTILS
+LSR_PUBLISH_COVERAGE=normal
diff --git a/.travis/fix-coverage.sh b/.travis/fix-coverage.sh
deleted file mode 100755
index 9b15758..0000000
--- a/.travis/fix-coverage.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/bin/bash
-# SPDX-License-Identifier: MIT
-
-set -ex
-
-cat > .coveragerc <<EOF
-[paths]
-source =
-    .
-    $PWD
-EOF
-mv .coverage .coverage.merge
-coverage combine --append .
diff --git a/.travis/runcoveralls.sh b/.travis/runcoveralls.sh
new file mode 100755
index 0000000..4b3ad4e
--- /dev/null
+++ b/.travis/runcoveralls.sh
@@ -0,0 +1,95 @@
+#!/bin/bash
+# SPDX-License-Identifier: MIT
+
+# Reports coverage results using coveralls. The aim of this script is to
+# provide a unified way to reporting coverage results across all linux system
+# roles projects.
+
+# The given command line arguments are passed to coveralls.
+
+# Environment variables:
+#
+#   LSR_PUBLISH_COVERAGE
+#     If the variable is unset or empty (the default), no coverage is published.
+#     Other valid values for the variable are:
+#     strict - the reporting is performed in strict mode, so situations
+#              like missing data to be reported are treated as errors
+#     debug  - coveralls is run in debug mode (see coveralls debug --help)
+#     normal - coverage results will be reported normally
+#   LSR_TESTSDIR
+#     a path to directory where tests and tests artifacts are located; if unset
+#     or empty, this variable is set to ${TOPDIR}/tests; this path should
+#     already exists and be populated with tests artifacts before the script
+#     starts performing actions on it
+
+set -e
+
+ME=$(basename $0)
+SCRIPTDIR=$(readlink -f $(dirname $0))
+
+. ${SCRIPTDIR}/utils.sh
+. ${SCRIPTDIR}/config.sh
+
+# Publish the results only if it is desired.
+if [[ -z "${LSR_PUBLISH_COVERAGE}" ]]; then
+  lsr_info "${ME}: Publishing coverage report is not enabled. Skipping."
+  exit 0
+fi
+
+case "${LSR_PUBLISH_COVERAGE}" in
+    strict) : ;;
+    debug) : ;;
+    normal) : ;;
+    *) lsr_error Error: \"${LSR_PUBLISH_COVERAGE}\" is not a valid option ;;
+esac
+
+LSR_TESTSDIR=${LSR_TESTSDIR:-${TOPDIR}/tests}
+
+# Ensure we are in $LSR_TESTSDIR. It is supposed that if a user wants to submit
+# tests results, $LSR_TESTSDIR always exists.
+cd ${LSR_TESTSDIR}
+
+# For simplicity, we suppose that coverage core data file has name .coverage
+# and it is situated in $LSR_TESTSDIR. Similarly for .coveragerc.
+COVERAGEFILE='.coverage'
+COVERAGERCFILE='.coveragerc'
+
+# In case there is no $COVERAGEFILE, there is nothing to report. If we are
+# running in strict mode, treat this situation as error.
+if [[ ! -s ${COVERAGEFILE} ]]; then
+  NO_COVERAGEFILE_MSG="${COVERAGEFILE} is missing or empty"
+  if [[ "${LSR_PUBLISH_COVERAGE}" == "strict" ]]; then
+    lsr_error "${ME} (strict mode): ${NO_COVERAGEFILE_MSG}!"
+  fi
+  lsr_info "${ME}: ${NO_COVERAGEFILE_MSG}, nothing to publish."
+  exit 0
+fi
+
+# Create $COVERAGERCFILE file with a [paths] section. From the official docs:
+#
+#   The first value must be an actual file path on the machine where the
+#   reporting will happen, so that source code can be found. The other values
+#   can be file patterns to match against the paths of collected data, or they
+#   can be absolute or relative file paths on the current machine.
+#
+# So in our $COVERAGERCFILE file we make both locations to point to the
+# project's top directory.
+cat > ${COVERAGERCFILE} <<EOF
+[paths]
+source =
+    ..
+    $(readlink -f ..)
+EOF
+
+# Rename $COVERAGEFILE to ${COVERAGEFILE}.merge. With this trick, coverage
+# combine applies configuration in $COVERAGERCFILE also to $COVERAGEFILE.
+mv ${COVERAGEFILE} ${COVERAGEFILE}.merge
+python -m coverage combine --append
+
+MAYBE_DEBUG=""
+if [[ "${LSR_PUBLISH_COVERAGE}" == "debug" ]]; then
+  MAYBE_DEBUG=debug
+fi
+
+set -x
+coveralls ${MAYBE_DEBUG} "$@"
diff --git a/tox.ini b/tox.ini
index 6e9127c..27d5671 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,6 @@ deps =
     py26: pytest
 
 [base]
-system_python = /usr/bin/python3
 passenv = *
 setenv =
     PYTHONPATH = {toxinidir}/library:{toxinidir}/module_utils
@@ -143,9 +142,9 @@ passenv = RUN_PYLINT_*
 setenv =
     {[base]setenv}
 deps =
+    ansible
     colorama
     pylint>=1.8.4
-    ansible
     -rpylint_extra_requirements.txt
 whitelist_externals =
     {[base]whitelist_externals}
@@ -170,13 +169,13 @@ commands = yamllint .
 [testenv:coveralls]
 envdir = {toxworkdir}/env-{env:TRAVIS_PYTHON_VERSION:coveralls}
 passenv = TRAVIS TRAVIS_*
-whitelist_externals = bash
 deps =
     coveralls
 changedir = {[base]changedir}
+whitelist_externals =
+    {[base]whitelist_externals}
 commands =
-    bash -c 'cd ..; bash .travis/fix-coverage.sh; cd -'
-    coveralls
+    bash {toxinidir}/.travis/runcoveralls.sh {posargs}
 
 [molecule_common]
 deps =