Merge pull request 'Install requirements via install script' (#198) from requirements-install-script into main

Reviewed-on: #198
2021-07-05 23:49:26 +02:00 · 2021-07-05 23:49:26 +02:00 · cc4efe69bf
parent e9fb9e56ad 6c7b53f585
commit cc4efe69bf
6 changed files with 264 additions and 59 deletions
--- a/.drone.yml
+++ b/.drone.yml
@ -3,21 +3,29 @@ kind: pipeline
 name: linters
 steps:
  - name: run shellcheck
-    image: koalaman/shellcheck-alpine:v0.7.1
+    image: koalaman/shellcheck-alpine
    commands:
      - shellcheck abra
      - shellcheck bin/*.sh
+      - shellcheck deploy/install.abra.coopcloud.tech/installer

  - name: run flake8
-    image: alpine/flake8:3.9.0
+    image: alpine/flake8
    commands:
-      - flake8 --max-line-length 100 bin/app-json.py
+      - flake8 --max-line-length 100 bin/*.py

  - name: run unit tests
    image: decentral1se/docker-dind-bats-kcov
    commands:
      - bats tests

+  - name: test installation script
+    image: debian:buster
+    commands:
+      - apt update && apt install -yqq sudo lsb-release
+      - deploy/install.abra.coopcloud.tech/installer --no-prompt
+      - ~/.local/bin/abra version
+
  - name: publish image
    image: plugins/docker
    settings:
@ -31,6 +39,7 @@ steps:
      - run shellcheck
      - run flake8
      - run unit tests
+      - test installation script
    when:
      event:
        exclude:
@ -49,6 +58,7 @@ steps:
      - run shellcheck
      - run flake8
      - run unit tests
+      - test installation script
      - publish image
    when:
      event:
@ -67,6 +77,7 @@ steps:
      - run shellcheck
      - run flake8
      - run unit tests
+      - test installation script
      - publish image
      - trigger downstream builds
    when:
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -19,6 +19,7 @@
 - Fix logging for chaos deploys and recipe selection logic ([#185](https://git.autonomic.zone/coop-cloud/abra/issues/185))
 - Improve reliability of selectig when to download a new `apps.json` ([#170](https://git.autonomic.zone/coop-cloud/abra/issues/170))
 - Remove `pwgen`/`pwqgen` as password generator requirements ([#167](https://git.autonomic.zone/coop-cloud/abra/issues/167))
+- `abra` installer script will now try to install system requirements ([#196](https://git.autonomic.zone/coop-cloud/abra/issues/196))

 # abra 9.0.0 (2021-06-10)

--- a/README.md
+++ b/README.md
@ -39,13 +39,18 @@ Install the latest stable release:
 curl https://install.abra.coopcloud.tech | bash
 ```

-or the bleeding-edge development version:
+The source for this script is [here](./deploy/install.abra.coopcloud.tech/installer).
+
+You can pass options to the script like so (e.g. install the bleeding edge development version):

 ```sh
 curl https://install.abra.coopcloud.tech | bash -s -- --dev
 ```

-The source for this script is [here](./deploy/install.abra.coopcloud.tech/installer).
+Other options available are as follows:
+
+- **--no-prompt**: non-interactive installation
+- **--no-deps**: do not attempt to install [requirements](#requirements)

 ## Container

--- a/89
+++ b/89
@ -1,5 +1,7 @@
 #!/usr/bin/env bash

+# shellcheck disable=SC2154
+
 GIT_URL="https://git.autonomic.zone/coop-cloud/"
 ABRA_APPS_URL="https://apps.coopcloud.tech"
 ABRA_DIR="${ABRA_DIR:-$HOME/.abra}"
@ -13,7 +15,7 @@ ABRA_APPS_JSON="${ABRA_DIR}/apps.json"
 #######################################

 DOC="
-The cooperative cloud utility belt 🎩🐇
+The Co-op Cloud utility belt 🎩🐇

 Usage:
  abra [options] app (list|ls) [--status] [--server=<server>] [--type=<type>]
@ -167,15 +169,15 @@ eval "var_$1+=($value)"; else eval "var_$1=$value"; fi; return 0; fi; done
 return 1; }; stdout() { printf -- "cat <<'EOM'\n%s\nEOM\n" "$1"; }; stderr() {
 printf -- "cat <<'EOM' >&2\n%s\nEOM\n" "$1"; }; error() {
 [[ -n $1 ]] && stderr "$1"; stderr "$usage"; _return 1; }; _return() {
-printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:1:2451}
-usage=${DOC:40:1842}; digest=c7bae
-shorts=(-C -n -U -e -b -d -h -s -v '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '')
-longs=(--skip-check --no-prompt --skip-update --env --branch --debug --help --stack --verbose --status --server --type --domain --app-name --pass --secrets --all --update --force --fast --chaos --volumes --no-tty --user --bump --dev)
-argcounts=(0 0 0 1 1 0 0 1 0 0 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0); node_0(){
-switch __skip_check 0; }; node_1(){ switch __no_prompt 1; }; node_2(){
-switch __skip_update 2; }; node_3(){ value __env 3; }; node_4(){
-value __branch 4; }; node_5(){ switch __debug 5; }; node_6(){ switch __help 6; }
-node_7(){ value __stack 7; }; node_8(){ switch __verbose 8; }; node_9(){
+printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:1:2445}
+usage=${DOC:34:1842}; digest=d420c
+shorts=(-d -C -h -U -e -s -v -n -b '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '' '')
+longs=(--debug --skip-check --help --skip-update --env --stack --verbose --no-prompt --branch --status --server --type --domain --app-name --pass --secrets --all --update --force --fast --chaos --volumes --no-tty --user --bump --dev)
+argcounts=(0 0 0 0 1 1 0 0 1 0 1 1 1 1 0 0 0 0 0 0 0 0 0 1 0 0); node_0(){
+switch __debug 0; }; node_1(){ switch __skip_check 1; }; node_2(){
+switch __help 2; }; node_3(){ switch __skip_update 3; }; node_4(){ value __env 4
+}; node_5(){ value __stack 5; }; node_6(){ switch __verbose 6; }; node_7(){
+switch __no_prompt 7; }; node_8(){ value __branch 8; }; node_9(){
 switch __status 9; }; node_10(){ value __server 10; }; node_11(){
 value __type 11; }; node_12(){ value __domain 12; }; node_13(){
 value __app_name 13; }; node_14(){ switch __pass 14; }; node_15(){
@ -244,9 +246,9 @@ node_154(){ optional 153; }; node_155(){ required 80 78 154; }; node_156(){
 required 80; }; node_157(){
 either 86 91 94 100 101 102 103 104 106 107 108 112 114 118 119 124 125 128 129 130 133 135 136 137 139 140 143 144 145 146 147 148 150 151 152 155 156
 }; node_158(){ required 157; }; cat <<<' docopt_exit() {
-[[ -n $1 ]] && printf "%s\n" "$1" >&2; printf "%s\n" "${DOC:40:1842}" >&2
-exit 1; }'; unset var___skip_check var___no_prompt var___skip_update var___env \
-var___branch var___debug var___help var___stack var___verbose var___status \
+[[ -n $1 ]] && printf "%s\n" "$1" >&2; printf "%s\n" "${DOC:34:1842}" >&2
+exit 1; }'; unset var___debug var___skip_check var___help var___skip_update \
+var___env var___stack var___verbose var___no_prompt var___branch var___status \
 var___server var___type var___domain var___app_name var___pass var___secrets \
 var___all var___update var___force var___fast var___chaos var___volumes \
 var___no_tty var___user var___bump var___dev var__type_ var__app_ \
@ -258,36 +260,37 @@ var_cp var_logs var_ps var_restore var_rm var_delete var_run var_rollback \
 var_secret var_generate var_insert var_undeploy var_volume var_recipe \
 var_create var_release var_versions var_server var_add var___ var_init \
 var_apps var_upgrade var_doctor var_help; parse 158 "$@"
-local prefix=${DOCOPT_PREFIX:-''}; unset "${prefix}__skip_check" \
-"${prefix}__no_prompt" "${prefix}__skip_update" "${prefix}__env" \
-"${prefix}__branch" "${prefix}__debug" "${prefix}__help" "${prefix}__stack" \
-"${prefix}__verbose" "${prefix}__status" "${prefix}__server" "${prefix}__type" \
-"${prefix}__domain" "${prefix}__app_name" "${prefix}__pass" \
-"${prefix}__secrets" "${prefix}__all" "${prefix}__update" "${prefix}__force" \
-"${prefix}__fast" "${prefix}__chaos" "${prefix}__volumes" "${prefix}__no_tty" \
-"${prefix}__user" "${prefix}__bump" "${prefix}__dev" "${prefix}_type_" \
-"${prefix}_app_" "${prefix}_service_" "${prefix}_version_" "${prefix}_src_" \
-"${prefix}_dst_" "${prefix}_backup_file_" "${prefix}_args_" \
-"${prefix}_secret_" "${prefix}_cmd_" "${prefix}_data_" "${prefix}_volume_" \
-"${prefix}_command_" "${prefix}_recipe_" "${prefix}_host_" "${prefix}_user_" \
-"${prefix}_port_" "${prefix}_provider_" "${prefix}_subcommands_" \
-"${prefix}app" "${prefix}list" "${prefix}ls" "${prefix}new" "${prefix}backup" \
-"${prefix}deploy" "${prefix}check" "${prefix}version" "${prefix}config" \
-"${prefix}cp" "${prefix}logs" "${prefix}ps" "${prefix}restore" "${prefix}rm" \
+local prefix=${DOCOPT_PREFIX:-''}; unset "${prefix}__debug" \
+"${prefix}__skip_check" "${prefix}__help" "${prefix}__skip_update" \
+"${prefix}__env" "${prefix}__stack" "${prefix}__verbose" \
+"${prefix}__no_prompt" "${prefix}__branch" "${prefix}__status" \
+"${prefix}__server" "${prefix}__type" "${prefix}__domain" \
+"${prefix}__app_name" "${prefix}__pass" "${prefix}__secrets" "${prefix}__all" \
+"${prefix}__update" "${prefix}__force" "${prefix}__fast" "${prefix}__chaos" \
+"${prefix}__volumes" "${prefix}__no_tty" "${prefix}__user" "${prefix}__bump" \
+"${prefix}__dev" "${prefix}_type_" "${prefix}_app_" "${prefix}_service_" \
+"${prefix}_version_" "${prefix}_src_" "${prefix}_dst_" \
+"${prefix}_backup_file_" "${prefix}_args_" "${prefix}_secret_" \
+"${prefix}_cmd_" "${prefix}_data_" "${prefix}_volume_" "${prefix}_command_" \
+"${prefix}_recipe_" "${prefix}_host_" "${prefix}_user_" "${prefix}_port_" \
+"${prefix}_provider_" "${prefix}_subcommands_" "${prefix}app" "${prefix}list" \
+"${prefix}ls" "${prefix}new" "${prefix}backup" "${prefix}deploy" \
+"${prefix}check" "${prefix}version" "${prefix}config" "${prefix}cp" \
+"${prefix}logs" "${prefix}ps" "${prefix}restore" "${prefix}rm" \
 "${prefix}delete" "${prefix}run" "${prefix}rollback" "${prefix}secret" \
 "${prefix}generate" "${prefix}insert" "${prefix}undeploy" "${prefix}volume" \
 "${prefix}recipe" "${prefix}create" "${prefix}release" "${prefix}versions" \
 "${prefix}server" "${prefix}add" "${prefix}__" "${prefix}init" "${prefix}apps" \
 "${prefix}upgrade" "${prefix}doctor" "${prefix}help"
+eval "${prefix}"'__debug=${var___debug:-false}'
 eval "${prefix}"'__skip_check=${var___skip_check:-false}'
-eval "${prefix}"'__no_prompt=${var___no_prompt:-false}'
+eval "${prefix}"'__help=${var___help:-false}'
 eval "${prefix}"'__skip_update=${var___skip_update:-false}'
 eval "${prefix}"'__env=${var___env:-}'
-eval "${prefix}"'__branch=${var___branch:-}'
-eval "${prefix}"'__debug=${var___debug:-false}'
-eval "${prefix}"'__help=${var___help:-false}'
 eval "${prefix}"'__stack=${var___stack:-}'
 eval "${prefix}"'__verbose=${var___verbose:-false}'
+eval "${prefix}"'__no_prompt=${var___no_prompt:-false}'
+eval "${prefix}"'__branch=${var___branch:-}'
 eval "${prefix}"'__status=${var___status:-false}'
 eval "${prefix}"'__server=${var___server:-}'
 eval "${prefix}"'__type=${var___type:-}'
@ -355,9 +358,9 @@ eval "${prefix}"'upgrade=${var_upgrade:-false}'
 eval "${prefix}"'doctor=${var_doctor:-false}'
 eval "${prefix}"'help=${var_help:-false}'; local docopt_i=1
 [[ $BASH_VERSION =~ ^4.3 ]] && docopt_i=2; for ((;docopt_i>0;docopt_i--)); do
-declare -p "${prefix}__skip_check" "${prefix}__no_prompt" \
-"${prefix}__skip_update" "${prefix}__env" "${prefix}__branch" \
-"${prefix}__debug" "${prefix}__help" "${prefix}__stack" "${prefix}__verbose" \
+declare -p "${prefix}__debug" "${prefix}__skip_check" "${prefix}__help" \
+"${prefix}__skip_update" "${prefix}__env" "${prefix}__stack" \
+"${prefix}__verbose" "${prefix}__no_prompt" "${prefix}__branch" \
 "${prefix}__status" "${prefix}__server" "${prefix}__type" "${prefix}__domain" \
 "${prefix}__app_name" "${prefix}__pass" "${prefix}__secrets" "${prefix}__all" \
 "${prefix}__update" "${prefix}__force" "${prefix}__fast" "${prefix}__chaos" \
@ -2562,18 +2565,6 @@ sub_network() {
 abra() {
  require_bash_4

-  # TODO (3wc): we either need to do this, or add 'shellcheck disable' all over
-  # the place to handle the dynamically-defined vars
-  declare abra___stack abra___env abra__command_ abra__args_ \
-    abra__secret_ abra__version_ abra__data_ abra___user abra__host_ \
-    abra__type_ abra__port_ abra__user_ abra__service_ abra__src_ abra__dst_ \
-    abra___server abra___domain abra___pass abra___secrets abra___status  \
-    abra___no_tty abra___app_name abra__subcommands_ abra___skip_update \
-    abra___skip_check abra__backup_file_ abra___verbose abra___debug \
-    abra___help abra___branch abra___volumes abra__provider_ abra___type \
-    abra___dev abra___update abra___no_prompt abra___force \
-    abra__recipe_ abra___fast abra__volume_ abra___bump abra___chaos
-
  if ! type tput > /dev/null 2>&1; then
    tput() {
      echo -n
@ -2637,7 +2628,7 @@ abra() {
  # Use abra__command_ in case `command` is provided (i.e. `volume` or `stack`)
  CMD="sub_${abra__command_}"
  if type "$CMD" > /dev/null 2>&1; then
-    # shellcheck disable=SC2086
+    # shellcheck disable=SC2086,SC2048
    "$CMD" ${abra__args_[*]}
  else
    docopt_exit
--- a/deploy/install.abra.coopcloud.tech/installer
+++ b/deploy/install.abra.coopcloud.tech/installer
@ -1,10 +1,180 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+# shellcheck disable=SC2154,SC2034

 ABRA_VERSION="9.0.0"
 GIT_URL="https://git.autonomic.zone/coop-cloud/abra"
 ABRA_SRC="$GIT_URL/raw/tag/$ABRA_VERSION/abra"
 ABRA_DIR="${ABRA_DIR:-$HOME/.abra}"

+DOC="
+abra command-line installer script
+
+Usage:
+  installer [options]
+
+Options:
+  -h, --help            Show this message and exit
+  -d, --dev             Install bleeding edge development version
+  -n, --no-prompt       Don't prompt for input and run non-interactively
+  -p, --no-deps         Don't attempt to install system dependencies
+"
+
+# docopt parser below, refresh this parser with `docopt.sh installer`
+# shellcheck disable=2016,1075
+docopt() { parse() { if ${DOCOPT_DOC_CHECK:-true}; then local doc_hash
+if doc_hash=$(printf "%s" "$DOC" | (sha256sum 2>/dev/null || shasum -a 256)); then
+if [[ ${doc_hash:0:5} != "$digest" ]]; then
+stderr "The current usage doc (${doc_hash:0:5}) does not match \
+what the parser was generated with (${digest})
+Run \`docopt.sh\` to refresh the parser."; _return 70; fi; fi; fi
+local root_idx=$1; shift; argv=("$@"); parsed_params=(); parsed_values=()
+left=(); testdepth=0; local arg; while [[ ${#argv[@]} -gt 0 ]]; do
+if [[ ${argv[0]} = "--" ]]; then for arg in "${argv[@]}"; do
+parsed_params+=('a'); parsed_values+=("$arg"); done; break
+elif [[ ${argv[0]} = --* ]]; then parse_long
+elif [[ ${argv[0]} = -* && ${argv[0]} != "-" ]]; then parse_shorts
+elif ${DOCOPT_OPTIONS_FIRST:-false}; then for arg in "${argv[@]}"; do
+parsed_params+=('a'); parsed_values+=("$arg"); done; break; else
+parsed_params+=('a'); parsed_values+=("${argv[0]}"); argv=("${argv[@]:1}"); fi
+done; local idx; if ${DOCOPT_ADD_HELP:-true}; then
+for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
+if [[ ${shorts[$idx]} = "-h" || ${longs[$idx]} = "--help" ]]; then
+stdout "$trimmed_doc"; _return 0; fi; done; fi
+if [[ ${DOCOPT_PROGRAM_VERSION:-false} != 'false' ]]; then
+for idx in "${parsed_params[@]}"; do [[ $idx = 'a' ]] && continue
+if [[ ${longs[$idx]} = "--version" ]]; then stdout "$DOCOPT_PROGRAM_VERSION"
+_return 0; fi; done; fi; local i=0; while [[ $i -lt ${#parsed_params[@]} ]]; do
+left+=("$i"); ((i++)) || true; done
+if ! required "$root_idx" || [ ${#left[@]} -gt 0 ]; then error; fi; return 0; }
+parse_shorts() { local token=${argv[0]}; local value; argv=("${argv[@]:1}")
+[[ $token = -* && $token != --* ]] || _return 88; local remaining=${token#-}
+while [[ -n $remaining ]]; do local short="-${remaining:0:1}"
+remaining="${remaining:1}"; local i=0; local similar=(); local match=false
+for o in "${shorts[@]}"; do if [[ $o = "$short" ]]; then similar+=("$short")
+[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
+if [[ ${#similar[@]} -gt 1 ]]; then
+error "${short} is specified ambiguously ${#similar[@]} times"
+elif [[ ${#similar[@]} -lt 1 ]]; then match=${#shorts[@]}; value=true
+shorts+=("$short"); longs+=(''); argcounts+=(0); else value=false
+if [[ ${argcounts[$match]} -ne 0 ]]; then if [[ $remaining = '' ]]; then
+if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
+error "${short} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
+else value=$remaining; remaining=''; fi; fi; if [[ $value = false ]]; then
+value=true; fi; fi; parsed_params+=("$match"); parsed_values+=("$value"); done
+}; parse_long() { local token=${argv[0]}; local long=${token%%=*}
+local value=${token#*=}; local argcount; argv=("${argv[@]:1}")
+[[ $token = --* ]] || _return 88; if [[ $token = *=* ]]; then eq='='; else eq=''
+value=false; fi; local i=0; local similar=(); local match=false
+for o in "${longs[@]}"; do if [[ $o = "$long" ]]; then similar+=("$long")
+[[ $match = false ]] && match=$i; fi; ((i++)) || true; done
+if [[ $match = false ]]; then i=0; for o in "${longs[@]}"; do
+if [[ $o = $long* ]]; then similar+=("$long"); [[ $match = false ]] && match=$i
+fi; ((i++)) || true; done; fi; if [[ ${#similar[@]} -gt 1 ]]; then
+error "${long} is not a unique prefix: ${similar[*]}?"
+elif [[ ${#similar[@]} -lt 1 ]]; then
+[[ $eq = '=' ]] && argcount=1 || argcount=0; match=${#shorts[@]}
+[[ $argcount -eq 0 ]] && value=true; shorts+=(''); longs+=("$long")
+argcounts+=("$argcount"); else if [[ ${argcounts[$match]} -eq 0 ]]; then
+if [[ $value != false ]]; then
+error "${longs[$match]} must not have an argument"; fi
+elif [[ $value = false ]]; then
+if [[ ${#argv[@]} -eq 0 || ${argv[0]} = '--' ]]; then
+error "${long} requires argument"; fi; value=${argv[0]}; argv=("${argv[@]:1}")
+fi; if [[ $value = false ]]; then value=true; fi; fi; parsed_params+=("$match")
+parsed_values+=("$value"); }; required() { local initial_left=("${left[@]}")
+local node_idx; ((testdepth++)) || true; for node_idx in "$@"; do
+if ! "node_$node_idx"; then left=("${initial_left[@]}"); ((testdepth--)) || true
+return 1; fi; done; if [[ $((--testdepth)) -eq 0 ]]; then
+left=("${initial_left[@]}"); for node_idx in "$@"; do "node_$node_idx"; done; fi
+return 0; }; optional() { local node_idx; for node_idx in "$@"; do
+"node_$node_idx"; done; return 0; }; switch() { local i
+for i in "${!left[@]}"; do local l=${left[$i]}
+if [[ ${parsed_params[$l]} = "$2" ]]; then
+left=("${left[@]:0:$i}" "${left[@]:((i+1))}")
+[[ $testdepth -gt 0 ]] && return 0; if [[ $3 = true ]]; then
+eval "((var_$1++))" || true; else eval "var_$1=true"; fi; return 0; fi; done
+return 1; }; stdout() { printf -- "cat <<'EOM'\n%s\nEOM\n" "$1"; }; stderr() {
+printf -- "cat <<'EOM' >&2\n%s\nEOM\n" "$1"; }; error() {
+[[ -n $1 ]] && stderr "$1"; stderr "$usage"; _return 1; }; _return() {
+printf -- "exit %d\n" "$1"; exit "$1"; }; set -e; trimmed_doc=${DOC:1:333}
+usage=${DOC:37:28}; digest=36916; shorts=(-h -d -n -p)
+longs=(--help --dev --no-prompt --no-deps); argcounts=(0 0 0 0); node_0(){
+switch __help 0; }; node_1(){ switch __dev 1; }; node_2(){ switch __no_prompt 2
+}; node_3(){ switch __no_deps 3; }; node_4(){ optional 0 1 2 3; }; node_5(){
+optional 4; }; node_6(){ required 5; }; node_7(){ required 6; }
+cat <<<' docopt_exit() { [[ -n $1 ]] && printf "%s\n" "$1" >&2
+printf "%s\n" "${DOC:37:28}" >&2; exit 1; }'; unset var___help var___dev \
+var___no_prompt var___no_deps; parse 7 "$@"; local prefix=${DOCOPT_PREFIX:-''}
+unset "${prefix}__help" "${prefix}__dev" "${prefix}__no_prompt" \
+"${prefix}__no_deps"; eval "${prefix}"'__help=${var___help:-false}'
+eval "${prefix}"'__dev=${var___dev:-false}'
+eval "${prefix}"'__no_prompt=${var___no_prompt:-false}'
+eval "${prefix}"'__no_deps=${var___no_deps:-false}'; local docopt_i=1
+[[ $BASH_VERSION =~ ^4.3 ]] && docopt_i=2; for ((;docopt_i>0;docopt_i--)); do
+declare -p "${prefix}__help" "${prefix}__dev" "${prefix}__no_prompt" \
+"${prefix}__no_deps"; done; }
+# docopt parser above, complete command for generating this parser is `docopt.sh installer`
+
+function prompt_confirm {
+  if [ "$no_prompt" == "true" ]; then
+    return
+  fi
+
+  read -rp "Continue? [y/N]? " choice
+
+  case "$choice" in
+    y|Y ) return ;;
+    * ) exit;;
+  esac
+}
+
+function show_banner {
+  echo ""
+  echo "   ____                           ____ _                 _ "
+  echo "  / ___|___         ___  _ __    / ___| | ___  _   _  __| |"
+  echo " | |   / _ \ _____ / _ \| '_ \  | |   | |/ _ \| | | |/ _' |"
+  echo " | |__| (_) |_____| (_) | |_) | | |___| | (_) | |_| | (_| |"
+  echo "  \____\___/       \___/| .__/   \____|_|\___/ \__,_|\__,_|"
+  echo "                        |_|"
+  echo ""
+}
+
+function install_docker {
+  sudo apt-get remove docker docker-engine docker.io containerd runc
+  sudo apt-get install -yq \
+    apt-transport-https \
+    ca-certificates \
+    curl \
+    gnupg \
+    lsb-release
+  curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
+  echo \
+  "deb [arch=amd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian \
+  $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
+  sudo apt-get update
+  sudo apt-get install -yq docker-ce docker-ce-cli containerd.io
+}
+
+function install_requirements {
+  if [ -f "/etc/debian_version" ]; then
+    echo "Detected Debian based distribution, attempting to install system requirements..."
+
+    sudo apt update && sudo apt install -y \
+      curl \
+      passwdqc \
+      pwgen
+
+    echo "Install Docker (https://docs.docker.com/engine/install/debian/)?"
+    prompt_confirm
+    install_docker
+  else
+    echo "Sorry, we only support Debian based distributions at the moment"
+    echo "You'll have to install the requirements manually for your distribution"
+    echo "See https://git.autonomic.zone/coop-cloud/abra#requirements for more"
+  fi
+}
+
 function install_abra_release {
  mkdir -p "$HOME/.local/bin"
  curl "$ABRA_SRC" > "$HOME/.local/bin/abra"
@ -24,7 +194,25 @@ function install_abra_dev {
 }

 function run_installation {
-  if [ "$1" = "--dev" ]; then
+  show_banner
+
+  DOCOPT_PREFIX=installer_
+  DOCOPT_ADD_HELP=false
+  eval "$(docopt "$@")"
+
+  dev="$installer___dev"
+  no_prompt="$installer___no_prompt"
+  no_deps="$installer___no_deps"
+
+  if [ "$no_deps" == "false" ]; then
+    install_requirements
+  fi
+
+  if ! type curl > /dev/null 2>&1; then
+    error "'curl' program is not installed, cannot continue..."
+  fi
+
+  if [ "$dev" == "true" ]; then
    install_abra_dev
  else
    install_abra_release
--- a/15
+++ b/15
@ -1,4 +1,4 @@
-.PHONY: test shellcheck docopt release-installer build push
+.PHONY: test shellcheck docopt release-installer build push deploy-docopt symlink

 test:
 	@sudo DOCKER_CONTEXT=default docker run \
@ -21,8 +21,9 @@ shellcheck:
 		--rm \
 		-v $$(pwd):/workdir \
 		koalaman/shellcheck-alpine \
-		shellcheck /workdir/abra && \
-		shellcheck /workdir/bin/*.sh
+		sh -c "shellcheck /workdir/abra && \
+		       shellcheck /workdir/bin/*.sh && \
+		       shellcheck /workdir/deploy/install.abra.coopcloud.tech/installer"

 docopt:
 	@if [ ! -d ".venv" ]; then \
@ -32,6 +33,14 @@ docopt:
 	fi
 	.venv/bin/docopt.sh abra

+deploy-docopt:
+	@if [ ! -d ".venv" ]; then \
+		python3 -m venv .venv && \
+		.venv/bin/pip install -U pip setuptools wheel && \
+		.venv/bin/pip install docopt-sh; \
+	fi
+	.venv/bin/docopt.sh deploy/install.abra.coopcloud.tech/installer
+
 release-installer:
 	@DOCKER_CONTEXT=swarm.autonomic.zone \
 		docker stack rm abra-installer-script && \