added install_ansible.sh

setup/install_ansible.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+#
+#  Author: Hari Sekhon
+#  Date: 2019/09/20
+#
+#  https://github.com/harisekhon/devops-bash-tools
+#
+#  License: see accompanying LICENSE file
+#
+#  https://www.linkedin.com/in/harisekhon
+#
+
+# Installs Ansible on Mac / Linux
+#
+# https://docs.ansible.com/ansible/latest/installation_guide/intro_installation.html
+
+set -euo pipefail
+[ -n "${DEBUG:-}" ] && set -x
+
+os="$(uname -s)"
+echo "OS detected as $os"
+echo
+
+sudo=sudo
+[ $EUID -eq 0 ] && sudo=""
+
+if [ -z "${UPDATE_ANSIBLE:-}" ]; then
+    if command -v ansible &>/dev/null; then
+        echo "Ansible already installed"
+        echo
+        echo "To update ansible, set the below and then re-run this script"
+        echo
+        echo "export UPDATE_ANSIBLE=1"
+        exit 0
+    fi
+fi
+
+echo "Installing Ansible"
+echo
+if [ "$os" = "Darwin" ]; then
+    brew update
+    brew install ansible
+elif [ "$os" = "Linux" ]; then
+    if command -v dnf &>/dev/null; then
+        $sudo dnf install -y ansible
+    elif command -v yum &>/dev/null; then
+        $sudo yum install -y ansible
+    elif command -v akp &>/dev/null; then
+        $sudo apk update
+        $sudo apk add ansible
+    elif command -v deb &>/dev/null; then
+        if grep -q Ubuntu /etc/*release; then
+            $sudo apt update
+            $sudo apt install software-properties-common
+            $sudo apt-add-repository --yes --update ppa:ansible/ansible
+            $sudo apt install ansible
+        else
+            # assume Debian
+            line='deb http://ppa.launchpad.net/ansible/ansible/ubuntu trusty main'
+            if ! grep -Fq "$line" /etc/apt/sources.list; then
+                echo "$line" >> /etc/apt/sources.list
+            fi
+            $sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 93C4A3FD7BB9C367
+            $sudo apt update
+            $sudo apt install ansible
+        fi
+    elif command -v emerge &>/dev/null; then
+        $sudo emerge -av app-admin/ansible
+    elif command -v pip &>/dev/null; then
+        pip install --user ansible
+    else
+        echo "Couldn't find Linux package manager!'"
+        exit 1
+    fi
+elif command -v pip &>/dev/null; then
+    pip install --user ansible
+else
+    echo "Unsupported OS and pip not available!"
+    exit 2
+fi