abra/bin/app-catalogue.sh

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#!/bin/bash
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# Usage: ./app-catalogue.sh
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#
# Gather metadata from Co-op Cloud apps in $ABRA_DIR/apps (default
# ~/.abra/apps), and format it as a Markdown table for this page:
# https://docs.cloud.autonomic.zone/apps/
stack_dir="${ABRA_DIR:-$HOME/.abra}/apps/"
cd "$stack_dir"
# load all README files into ENV_FILES array
mapfile -t readmes < <(find -L . -name "README.md")
# FIXME 3wc: requires bash 4, use for loop instead
base_url="https://git.autonomic.zone/coop-cloud"
cat_apps=()
cat_development=()
cat_utilities=()
cat_graveyard=()
get_var() {
echo "$1" | grep "$2" | sed 's/^[^:]*: //'
}
# shellcheck disable=SC2120
trim() {
# accept input as argument or from STDIN, see here:
# https://zwbetz.com/passing-input-to-a-bash-function-via-arguments-or-stdin/
# shellcheck disable=SC2155
local input="$([[ -p /dev/stdin ]] && cat - || echo "$@")"
[[ -z "$input" ]] && return 1
echo "$input" | tr -d ' '
}
# shellcheck disable=SC2120
prettify() {
# as above
# shellcheck disable=SC2155
local input="$([[ -p /dev/stdin ]] && cat - || echo "$@")"
[[ -z "$input" ]] && return 1
echo "$input" | sed -e 's/Yes/✅/' -e 's/No/❌/' -e 's/N\/A/⛔/'
}
for readme in "${readmes[@]}"; do
type="$(basename "${readme%README.md}")"
if [ "$type" = "example" ]; then
continue
fi
title="$(grep '^# ' "$type/README.md" | sed 's/^# //' )"
# find section between 'metadata' and 'endmetadata' comments
metadata="$(awk '/-- metadata --/,/-- endmetadata --/' "$type/README.md")"
status="$(get_var "$metadata" "Status")"
category="$(get_var "$metadata" "Category" | cut -d',' -f2 | trim)"
if [ -z "$category" ]; then
echo "ERROR: missing category for $type"
continue
fi
image="$(get_var "$metadata" "Image" | cut -d',' -f2 | trim)"
healthcheck="$(get_var "$metadata" "Healthcheck" | prettify)"
backups="$(get_var "$metadata" "Backups" | prettify)"
email="$(get_var "$metadata" "Email" | prettify)"
tests="$(get_var "$metadata" "Tests" | prettify)"
sso="$(get_var "$metadata" "SSO" | prettify)"
row="| [$title]($base_url/$type) | $status | $image | $healthcheck | $backups | $email | $tests | $sso |"
category_lower="$(echo "$category" | tr '[:upper:]' '[:lower:]')"
eval "cat_$category_lower+=( '$row' )"
done
headers="
| **Name** | **Status** | **Image** | **Healtcheck** | **Backups** | **Email** | **CI** | **Single-Sign-On** |
| --- | --- | --- | --- | --- | --- | --- | --- |"
echo "## Applications"
echo "$headers"
printf '%s\n' "${cat_apps[@]}" | sort
echo
echo "## Developer tools"
echo "$headers"
printf '%s\n' "${cat_development[@]}" | sort
echo
echo "## Utilities"
echo "$headers"
printf '%s\n' "${cat_utilities[@]}" | sort
echo
echo "## Graveyard"
echo "$headers"
printf '%s\n' "${cat_graveyard[@]}" | sort