travis-ci changes: remove ansible v2.3, fix brew build issue

* remove ansible avm v2.3 pip install
* work around perlbrew/build issue #305 with 'brew update' before installs

.ci/ansible-setup.sh

@@ -7,14 +7,10 @@ set -e
 # What version of avm setup to use
 echo "Setting up Ansible Version Manager"
 AVM_VERSION="v1.0.0"
-## Install Ansible 2.3.1 using pip and label it 'v2.3'
-export ANSIBLE_VERSIONS_0="2.3.1.0"
-export INSTALL_TYPE_0="pip"
-export ANSIBLE_LABEL_0="v2.3"
 ## Install Ansible 2.5.X using pip and label it 'v2.5'
-export ANSIBLE_VERSIONS_1="2.5.0.0"
-export INSTALL_TYPE_1="pip"
-export ANSIBLE_LABEL_1="v2.5"
+export ANSIBLE_VERSIONS_0="2.5.0.0"
+export INSTALL_TYPE_0="pip"
+export ANSIBLE_LABEL_0="v2.5"
 # Whats the default version
 export ANSIBLE_DEFAULT_VERSION="v2.5"
 

.ci/before_script.sh

@@ -11,13 +11,14 @@ function update_linux() {
 function install_ansible {
   bash .ci/ansible-setup.sh
   # pyOpen, ndg-* and pyasn1 are for 'InsecurePlatformWarning' error
-  ~/.avm/v2.3/venv/bin/pip install netaddr ansible-lint   pyOpenSSL ndg-httpsclient pyasn1
   ~/.avm/v2.5/venv/bin/pip install netaddr ansible-lint   pyOpenSSL ndg-httpsclient pyasn1
 }
 
 
 # Mac:
 if [[ "$GITSECRET_DIST" == "brew" ]]; then
+  brew update 
+
   gnupg_installed="$(brew list | grep -c "gnupg")"
   [[ "$gnupg_installed" -ge 1 ]] || brew install gnupg
   if [[ -f "/usr/local/bin/gpg1" ]]; then