Update python version used in KUD installers to python3

A dependency of kubespray-2.14 now requires python3.  Specifically,
ruamel.yaml now fetches ruamel.yaml.clib-0.2.4 whereas it used to
fetch ruamel.yaml.clib-0.2.2.  The 0.2.4 requires python 3.5 or
greater.

Issue-ID: MULTICLOUD-1369
Signed-off-by: Todd Malsbary <todd.malsbary@intel.com>
Change-Id: Ia362d5adfbe6e08750b493dbceea17df640f26ed

2 files changed, 22 insertions, 28 deletions

diff --git a/kud/hosting_providers/containerized/installer.sh b/kud/hosting_providers/containerized/installer.sh
index 5ac78673..28f1f915 100755
--- a/kud/hosting_providers/containerized/installer.sh
+++ b/kud/hosting_providers/containerized/installer.sh
@@ -16,16 +16,23 @@ set -ex
 INSTALLER_DIR="$(readlink -f "$(dirname "${BASH_SOURCE[0]}")")"
 
 function install_prerequisites {
-#install package for docker images
-    echo "Removing ppa for jonathonf/python-3.6"
-    ls /etc/apt/sources.list.d/ || true
-    find /etc/apt/sources.list.d -maxdepth 1 -name '*jonathonf*' -delete || true
     apt-get update
-    apt-get install -y curl vim wget git \
-        software-properties-common python-pip sudo gettext-base
+    apt-get install -y software-properties-common
     add-apt-repository -y ppa:longsleep/golang-backports
     apt-get update
-    apt-get install -y golang-go rsync
+    apt-get install -y \
+            curl \
+            gettext-base \
+            git \
+            golang-go \
+            make \
+            python3-pip \
+            rsync \
+            sshpass \
+            sudo \
+            unzip \
+            vim \
+            wget
 }
 
 # _install_ansible() - Install and Configure Ansible program
@@ -33,7 +40,7 @@ function _install_ansible {
     local version=$(grep "ansible_version" ${kud_playbooks}/kud-vars.yml |
         awk -F ': ' '{print $2}')
     mkdir -p /etc/ansible/
-    pip install --no-cache-dir ansible==$version
+    pip3 install --no-cache-dir ansible==$version
 }
 
 function install_kubespray {
@@ -44,8 +51,6 @@ function install_kubespray {
         $kud_inventory_folder/group_vars/k8s-cluster.yml | \
         awk -F "\"" '{print $2}')
     local tarball=v$version.tar.gz
-    # install make to run mitogen target & unzip is mitogen playbook dependency
-    apt-get install -y sshpass make unzip
     _install_ansible
     wget https://github.com/kubernetes-incubator/kubespray/archive/$tarball
     tar -C $dest_folder -xzf $tarball
@@ -54,7 +59,7 @@ function install_kubespray {
     rm $tarball
 
     pushd $dest_folder/kubespray-$version/
-    pip install --no-cache-dir -r ./requirements.txt
+    pip3 install --no-cache-dir -r ./requirements.txt
     make mitogen
     popd
     rm -f $kud_inventory_folder/group_vars/all.yml 2> /dev/null
@@ -297,8 +302,6 @@ mkdir -p /opt/csar
 export CSAR_DIR=/opt/csar
 
 function install_pkg {
-# Install dependencies
-    apt-get update
     install_prerequisites
     install_kubespray
 }
diff --git a/kud/hosting_providers/vagrant/installer.sh b/kud/hosting_providers/vagrant/installer.sh
index 8c8ff7f3..5535c31b 100755
--- a/kud/hosting_providers/vagrant/installer.sh
+++ b/kud/hosting_providers/vagrant/installer.sh
@@ -40,25 +40,16 @@ function _install_go {
     sudo sed -i 's|secure_path="\([^"]\+\)"|secure_path="\1:/usr/local/go/bin"|' /etc/sudoers
 }
 
-# _install_pip() - Install Python Package Manager
-function _install_pip {
-    if $(pip --version &>/dev/null); then
-        sudo -E pip install --no-cache-dir --upgrade pip
-    else
-        sudo apt-get install -y python-dev
-        curl -sL https://bootstrap.pypa.io/pip/2.7/get-pip.py | sudo python
-    fi
-}
-
 # _install_ansible() - Install and Configure Ansible program
 function _install_ansible {
+    sudo apt-get install -y python3-pip
+    sudo -E pip3 install --no-cache-dir --upgrade pip
     if $(ansible --version &>/dev/null); then
-        sudo pip uninstall -y ansible
+        sudo pip3 uninstall -y ansible
     fi
-    _install_pip
     local version=$(grep "ansible_version" ${kud_playbooks}/kud-vars.yml | awk -F ': ' '{print $2}')
     sudo mkdir -p /etc/ansible/
-    sudo -E pip install --no-cache-dir ansible==$version
+    sudo -E pip3 install --no-cache-dir ansible==$version
 }
 
 function _set_environment_file {
@@ -88,7 +79,7 @@ function install_k8s {
     rm $tarball
 
     pushd $dest_folder/kubespray-$version/
-    sudo -E pip install --no-cache-dir -r ./requirements.txt
+    sudo -E pip3 install --no-cache-dir -r ./requirements.txt
     make mitogen
     popd
     rm -f $kud_inventory_folder/group_vars/all.yml 2> /dev/null
@@ -213,7 +204,7 @@ function install_addons {
 # install_plugin() - Install ONAP Multicloud Kubernetes plugin
 function install_plugin {
     echo "Installing multicloud/k8s plugin"
-    sudo -E pip install --no-cache-dir docker-compose
+    sudo -E pip3 install --no-cache-dir docker-compose
 
     sudo mkdir -p /opt/{kubeconfig,consul/config}
     sudo cp $HOME/.kube/config /opt/kubeconfig/kud