Allow all external commands in tox

Change-Id: I76e0fc0e574d791e8f4d83ccc22289fa06360709

tox.ini

@@ -24,7 +24,6 @@ deps =
     -c{env:TOX_CONSTRAINTS_FILE:{toxinidir}/tests/constraints-none.txt}
     -r{toxinidir}/tests/requirements.txt
     pip: {toxinidir}
-
 commands = stestr run {posargs}
            stestr slowest
 
@@ -33,19 +32,20 @@ commands =
     flake8
 
 [testenv:build]
+allowlist_externals = bash
 deps =
     ansible-core
     galaxy-importer
     pbr
     ruamel.yaml
-
 commands =
     python {toxinidir}/tools/build.py
     ansible --version
     ansible-galaxy collection build --force {toxinidir} --output-path {toxinidir}/build_artifact
-    /bin/bash {toxinidir}/tools/check-import.sh {toxinidir}
+    bash {toxinidir}/tools/check-import.sh {toxinidir}
 
 [testenv:linters]
+allowlist_externals = bash
 passenv = *
 deps =
     {[testenv]deps}
@@ -53,7 +53,7 @@ commands =
     {[testenv:build]commands}
     {[testenv:pep8]commands}
     ansible --version
-    /bin/bash {toxinidir}/tools/run-ansible-sanity.sh {toxinidir}
+    bash {toxinidir}/tools/run-ansible-sanity.sh {toxinidir}
 
 [testenv:linters-2.9]
 passenv = {[testenv:linters]passenv}
@@ -88,6 +88,7 @@ show-source = True
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build,ansible_collections
 
 [testenv:ansible]
+allowlist_externals = bash
 # Need to pass some env vars for the Ansible playbooks
 passenv =
     HOME
@@ -96,7 +97,7 @@ passenv =
 deps =
     {[testenv]deps}
 commands =
-    /bin/bash {toxinidir}/ci/run-ansible-tests-collection.sh -e {envdir} {posargs}
+    bash {toxinidir}/ci/run-ansible-tests-collection.sh -e {envdir} {posargs}
 
 [testenv:ansible-2.9]
 deps =
@@ -120,11 +121,12 @@ passenv = {[testenv:ansible]passenv}
 commands = {[testenv:ansible]commands}
 
 [testenv:galaxy-release]
+allowlist_externals = mkdir rm sed
 deps =
     ansible-core
 commands =
-    /usr/bin/mkdir -p /tmp/collection_built
-    /usr/bin/bash -ec 'rm -rf /tmp/collection_built/*'
-    /usr/bin/sed -i "s/version:.*/version: {env:VERSION_TAG}/" {toxinidir}/galaxy.yml
+    rm -rf /tmp/collection_built/
+    mkdir -p /tmp/collection_built/
+    sed -i "s/version:.*/version: {env:VERSION_TAG}/" {toxinidir}/galaxy.yml
     ansible-galaxy collection build {toxinidir} --output-path /tmp/collection_built/ --force
     ansible-galaxy collection publish /tmp/collection_built/openstack-cloud-{env:VERSION_TAG}.tar.gz --token {env:API_GALAXY_TOKEN}