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update.sh
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#!/bin/bash
# I am really sorry for anyone who has to work with this, including myself and
# Kat. - mattl
#
# For troubleshooting:
# sudo tail -f /var/log/letsencrypt/letsencrypt.log
set -o errexit
set -o errtrace
set -o nounset
trap '_es=${?};
_lo=${LINENO};
_co=${BASH_COMMAND};
echo "${0}: line ${_lo}: \"${_co}\" exited with a status of ${_es}";
exit ${_es}' ERR
repo='https://github.com/creativecommons/creativecommons.org.git'
reponame='cc-all-forks'
workdir='/root'
checkoutdir="${workdir}/${reponame}"
resourcedir="${workdir}/magical-pony"
statusfile='/var/www/html/index.html'
certbotargs='-w /var/www/html -d legal.creativecommons.org'
no_errors=1
rm -rf "${checkoutdir}"
mkdir -p "${checkoutdir}"
echo '<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate">
<meta http-equiv="Pragma" content="no-cache">
<meta http-equiv="Expires" content="0">
<title>Updating the Magical Pony</title>
<style>
div {
background-color:white;
padding:0.5em;
}
h3 {
margin-top:0;
}
img {
float:right;
max-width:400px;
}
td, th {
padding-top:1em;
text-align:left;
vertical-align:top;
}
.branch {
margin:1em;
}
.clear {
clear:both;
}
.example {
max-width:70ex;
}
.ex-lavender {
background-color:lavender;
}
.ex-salmon {
background-color:salmon;
}
.mono {
font-family:monospace;
}
.red {
color:red;
}
.run-success {
background-color:lavender
}
.run-error {
background-color:salmon
}
.smaller {
font-size:smaller;
}
</style>
</head>
<body class="run-error">' > "${statusfile}"
sed -e's/^/ /' ${resourcedir}/pony.img.html >> "${statusfile}"
echo ' <h1>Updating the Magical Pony</h1>' >> "${statusfile}"
now_utc=$(date -u '+%A %F %T %:::z %Z')
now_bst=$(date '+%A %F %T %:::z %Z')
echo " <h2>${now_utc}</h2>" >> "${statusfile}"
echo " <p class=\"smaller;\">(${now_bst})</p>" >> "${statusfile}"
echo ' <p>
<a href="https://github.com/creativecommons/magical-pony">
https://github.com/creativecommons/magical-pony
</a>
</p>
<div class="example smaller">
<p>
On an incomplete or error completion, this page will have a
<span class="ex-salmon"> salmon background </span>.
</p>
<p>
On successful completion, this page will have a
<span class="ex-lavender"> lavender background </span>.
</p>
</div>' >> "${statusfile}"
pushd "${checkoutdir}" > /dev/null
echo
echo "# git clone ${repo}"
# Get a clean version to avoid any merge/reset weirdness
git clone "${repo}" .
echo
echo ' <h2 class="clear">Branches</h2>' >> "${statusfile}"
for branchname in $(git branch -r | grep -v 'HEAD\|main')
do
if [[ "${branchname}" == 'origin/staging' ]]
then
continue
fi
echo "# ${branchname}"
branchid="${branchname##*/}"
if [[ -n "${branchid//[-.[:alnum:]]/}" ]]
then
{
echo ' <div class="branch">'
echo ' <hr>'
echo " <h3 style=\"color:red;\">${branchid}</h3>"
echo ' <p class="redsmaller">'
echo " (<span class=\"mono\">${branchname}</span>)"
echo ' </p>'
echo -n " <p style=\"color:red;\">The branchid (${branchid})"
echo ' is not a valid DNS domain name</p>'
echo -n ' <p style=\"color:red;\"><strong>SKIPPING DEPLOYMENT'
echo '</strong></p>'
echo ' </div>'
echo
} >> "${statusfile}"
continue
fi
branchpath="/srv/clones/${branchid}"
webroot="${branchpath}/docroot"
domain="${branchid}.legal.creativecommons.org"
certbotargs="${certbotargs:-} -w ${webroot} -d ${domain}"
echo "${branchpath}"
git checkout -f -q "${branchname}"
git show-branch --sha1-name HEAD
#
mkdir -p "${branchpath}.NEW"
git archive "${branchname}" \
| tar -xC "${branchpath}.NEW"
[[ -d ${branchpath} ]] && mv ${branchpath} ${branchpath}.OLD
mv ${branchpath}.NEW ${branchpath}
[[ -d ${branchpath}.OLD ]] && rm -rf ${branchpath}.OLD
# Ensure branchpath mtime is up-to-date
touch ${branchpath}/.gitignore
# Delete TLS/SSL config so that it is regenerated by certbot
#rm -f "/etc/apache2/sites-enabled/${branchid}-le-ssl.conf"
cp "${resourcedir}/default" \
"/etc/apache2/sites-enabled/${branchid}.conf"
sed -e"s/MAGICALPONY/${branchid}/g" -i \
"/etc/apache2/sites-enabled/${branchid}.conf"
hash=$(git log ${branchname} -1 --format='%H')
repo_url='https://github.com/creativecommons/creativecommons.org'
hash_url="${repo_url}/commit/${hash}"
{
echo ' <div class="branch">'
echo " <h3>${branchid}</h3>"
echo ' <p class="smaller">'
echo " (<span class=\"mono\">${branchname}</span>)"
echo ' </p>'
echo ' <table>'
echo ' <tr>'
echo ' <th>Test Domain:</th>'
echo " <td><a href=\"https://${domain}/\">${domain}</a></td>"
echo ' </tr>'
echo ' <tr>'
echo ' <th>Commit:</th>'
echo ' <td>'
echo " <a class=\"mono\" href=\"${hash_url}\">${hash}</a>"
echo ' <br>'
} >> "${statusfile}"
git log ${branchname} -1 --format=' %s' \
>> "${statusfile}"
{
echo ' </td>'
echo ' </tr>'
echo ' </table>'
echo ' </div>'
echo
} >> "${statusfile}"
echo
done
popd > /dev/null
echo
echo '# apache2 restart'
/usr/sbin/service apache2 restart
sleep 1
echo
echo
echo '# cerbotargs:'
echo "${certbotargs}"
echo
echo
echo '# run cerbot'
echo
# Get any new certificates, incorporate old one, refresh expiring, install any
# new http->https redirects, and do so automatically.
if /snap/bin/certbot \
--agree-tos -m webmaster@creativecommons.org \
--non-interactive \
--cert-name legal.creativecommons.org \
--keep-until-expiring \
--expand \
--renew-with-new-domains \
--authenticator webroot \
--installer apache \
${certbotargs}
then
echo ' <h2>And we are done!</h2>' >> "${statusfile}"
else
es=${?}
no_errors=0
{
echo " <h2>certbot ERROR (exit status <code>${es}</code>)</h2>"
echo ' <p>See:'
echo ' <pre>/var/log/letsencrypt/letsencrypt.log</pre>'
echo ' <pre>/var/log/magical-pony</pre>'
echo ' <pre>/var/log/mail/mail</pre>'
echo ' </p>'
} >> "${statusfile}"
fi
echo
now_utc=$(date -u '+%A %F %T %:::z %Z')
now_bst=$(date '+%A %F %T %:::z %Z')
echo " <h3>${now_utc}</h3>" >> "${statusfile}"
echo " <p class=\"smaller;\">(${now_bst})</p>" >> "${statusfile}"
echo ' </body>' >> "${statusfile}"
echo '</html>' >> "${statusfile}"
# Touch primary apache files to ensure they are preserved
touch /etc/apache2/sites-enabled/legal.creativecommons.org.conf
touch /etc/apache2/sites-enabled/legal.creativecommons.org-le-ssl.conf
echo 'Directories older than 24 hours are deleted by magical-pony update.sh' \
> /srv/clones/README
echo '# Clean-up: /srv/clones'
find /srv/clones/* -maxdepth 0 -type d -mtime +1
find /srv/clones/* -maxdepth 0 -type d -mtime +1 -exec rm -rf {} +
echo
echo 'Files older than 24 hours are deleted by magical-pony update.sh' \
> /etc/apache2/sites-enabled/README
echo '# Clean-up: /etc/apache2/sites-enabled/'
find /etc/apache2/sites-enabled -mtime +1
find /etc/apache2/sites-enabled -mtime +1 -delete
echo
echo '# apache2 restart'
/usr/sbin/service apache2 restart
if [[ ${no_errors} == 1 ]]
then
sed -e's/"run-error"/"run-success"/' -i "${statusfile}"
fi