Docker Installer

Author: tharindupr

installers/docker/installer.sh

@@ -0,0 +1,65 @@
+#!/bin/sh
+
+CURL_CMD=$(which curl) # curl tool
+YUM_CMD=$(which yum) # yum package manager for RHEL & CentOS
+DNF_CMD=$(which dnf) # dnf package manager for new RHEL & CentOS
+APT_GET_CMD=$(which apt-get) # apt package manager for Ubuntu & other Debian based distributions
+PACMAN_CMD=$(which pacman) # pacman package manager for ArchLinux
+APK_CMD=$(which apk) # apk package manager for Alpine
+GIT_CMD=$(which git) # to build from source pulling from git
+SUDO_CMD=$(which sudo) # check if sudo command is there
+
+USER="$(id -un 2>/dev/null || true)"
+SUDO=''
+if [ "$USER" != 'root' ]; then
+	if [ ! -z $SUDO_CMD ]; then
+		SUDO='sudo'
+	else
+		cat >&2 <<-'EOF'
+		Error: this installer needs the ability to run commands as root.
+		We are unable to find "sudo". Make sure its available to make this happen
+		EOF
+		exit 1
+	fi
+fi
+
+if [ ! -z $APT_GET_CMD ]; then
+   $SUDO apt-get update
+   $SUDO apt-get install \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg-agent \
+    software-properties-common
+
+  curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
+
+  $SUDO add-apt-repository \
+   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
+   $(lsb_release -cs) \
+   stable"
+
+  $SUDO apt-get update
+
+  $SUDO apt-get install docker-ce docker-ce-cli containerd.io
+
+elif [ ! -z $YUM_CMD ]; then
+   $SUDO yum install -y yum-utils
+   $SUDO yum-config-manager \
+   		--add-repo \
+		https://download.docker.com/linux/centos/docker-ce.repo
+   $SUDO yum install docker-ce docker-ce-cli containerd.io
+
+# elif [ ! -z $PACMAN_CMD ]; then
+#    pacman -Sy git
+
+# elif [ ! -z $DNF_CMD ]; then
+#    $SUDO dnf install git
+
+# elif [ ! -z $APK_CMD ]; then
+#    $SUDO apk add git
+
+else
+   echo "Couldn't install package"
+   exit 1;
+fi 

installers/docker/installer.toml

@@ -15,17 +15,3 @@ sh = """
 @sudo yum install docker-ce docker-ce-cli containerd.io
 """
 
-[pacman]
-sh = """
-pacman -Sy git
-"""
-
-[dnf]
-sh = """
-@sudo dnf install git
-"""
-
-[apk]
-sh = """
-@sudo apk add git
-"""