From 51b56a4a3883c46ee3f4fcdf78bf811fcead4f96 Mon Sep 17 00:00:00 2001
From: Lockszmith <code@lksz.me>
Date: Thu, 14 Jul 2022 20:00:09 -0400
Subject: [PATCH] sz-prep-docker-system script added

---
 _home/dot_sz.shrc.d/01_util.functions         | 28 ++++++++++
 .../bin/executable_sz-prep-docker-system.sh   | 53 +++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 _home/dot_sz.shrc.d/01_util.functions
 create mode 100644 _home/private_dot_local/bin/executable_sz-prep-docker-system.sh

diff --git a/_home/dot_sz.shrc.d/01_util.functions b/_home/dot_sz.shrc.d/01_util.functions
new file mode 100644
index 0000000..4ca5064
--- /dev/null
+++ b/_home/dot_sz.shrc.d/01_util.functions
@@ -0,0 +1,28 @@
+error() {
+  (>&2 printf '\E[31mERROR:\E[0m %s\n' "$@" )
+}
+
+require_root() {
+  if [[ $EUID -ne 0 ]]; then
+    error "This script should only be run using sudo or as the root user"
+    exit 1
+  fi
+}
+
+function setacl() {
+    if [[ $# -lt 4 ]]; then
+        error "setacl missing arguments, called with '$1' ${@:2}"
+	return 1
+    fi
+    local Options=${1}
+    local Ownership=${2}
+    local Permissions=${3}
+
+    [[ -n "${SZ_DEBUG}" ]] \
+        && echo "chown $Options $Ownership \"${@:4}\""
+    chown $Options $Ownership "${@:4}"
+    [[ -n "${SZ_DEBUG}" ]] \
+        && echo "chmod $Options $Permissions \"${@:4}\""
+    chmod $Options $Permissions "${@:4}"
+}
+
diff --git a/_home/private_dot_local/bin/executable_sz-prep-docker-system.sh b/_home/private_dot_local/bin/executable_sz-prep-docker-system.sh
new file mode 100644
index 0000000..07b6d85
--- /dev/null
+++ b/_home/private_dot_local/bin/executable_sz-prep-docker-system.sh
@@ -0,0 +1,53 @@
+#! /usr/bin/env bash
+. ~/.sz.shrc.d/01_util.functions
+
+require_root
+
+if [[ ! -r "/etc/apt/sources.list.d/download.docker.com.list" ]]; then
+    error "Docker sources are not installed yet, please run 'sz-add-my-apt-repos' script first"
+    exit 1
+fi
+
+[[ -z "$(getent group szdocker)" ]] \
+    && groupadd --gid 2001 szdocker
+[[ -z "$(getent passwd szdocker)" ]] \
+    && useradd --gid szdocker --uid 2001 szdocker
+[[ -z "$(type -fP docker)" ]] \
+    && DEBIAN_FRONTEND=noninteractive apt-get install --yes docker-ce docker-ce-cli containerd.io docker-compose-plugin \
+    && printf "\n\ndocker installed\n\n"
+CUR_USER=$USER
+[[ -n "$SUDO_USER" ]] \
+    && CUR_USER=$SUDO_USER
+echo $CUR_USER
+sudo usermod --groups docker,szdocker --append $CUR_USER
+sudo usermod --groups docker          --append szdocker
+
+if [[ ! -x /usr/local/bin/compose-switch ]]; then
+    curl -fL https://raw.githubusercontent.com/docker/compose-switch/master/install_on_linux.sh | sh
+    update-alternatives --install /usr/local/bin/docker-compose docker-compose /usr/local/bin/compose-switch 99
+fi
+
+CTSZ_ROOT=/srv/containeriszed
+[[ -n "${SZ_DEBUG}" ]] \
+    && echo "Creating $CTSZ_ROOT/docker-compose/0.template.off..."
+mkdir -p $CTSZ_ROOT/docker-compose/0.template.off
+[[ -n "${SZ_DEBUG}" ]] \
+    && echo "Creating $CTSZ_ROOT/0.local/0.shared..."
+mkdir -p $CTSZ_ROOT/0.local/0.shared
+
+setacl -R szdocker:szdocker 775 $CTSZ_ROOT
+
+[[ -n "${SZ_DEBUG}" ]] \
+    && echo "Creating $CTSZ_ROOT/docker-compose/.env..."
+touch $CTSZ_ROOT/docker-compose/.env
+pushd $CTSZ_ROOT/docker-compose/0.template.off > /dev/null
+[[ -r ".env" ]] || ln -s ../.env . 
+chown szdocker:szdocker $CTSZ_ROOT/docker-compose/0.template.off/.env
+setacl '' szdocker:szdocker 660 $CTSZ_ROOT/docker-compose/.env
+popd > /dev/null
+[[ -n "${SZ_DEBUG}" ]] \
+    && echo "Template created with .env as a symbloiv link"
+
+[[ -n "type tree" ]] \
+    && echo "Containerized Directory Tree initialized:" \
+    && tree -Fapug --dirsfirst --noreport $CTSZ_ROOT