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|
#!/bin/bash
set -e
umask 077
LAST_OUTPUT_FILENAME="/root/.last_edit-secrets_output"
if [ "x$1" = "x" ]; then
echo "Syntax: $0 -l OR fqdn"
exit 1
fi
if [ "x$1" != "x-l" ]; then
host=$1
if [ ! -d $host ]; then
echo "$0: No host-directory for '$host' found - execute in top-level cosmos dir"
exit 1
fi
# Execute this very script, on a remote host
TMPFILE=$(mktemp)
if [ ! -f $TMPFILE ]; then
echo "$0: Failed creating temporary file"
exit 1
fi
TMPFILE2=$(mktemp)
if [ ! -f $TMPFILE2 ]; then
echo "$0: Failed creating temporary file"
exit 1
fi
trap "rm -f $TMPFILE $TMPFILE2" EXIT
ssh -t root@$host /var/cache/cosmos/repo/edit-secrets -l
scp -q root@$host:$LAST_OUTPUT_FILENAME $TMPFILE
if grep ^"STATUS=UPDATED" $TMPFILE > /dev/null; then
# extract the path of the file that should be updated in the Cosmos repo
save_to=$(grep ^"SAVE_TO=" $TMPFILE | cut -d = -f 2-)
if [ ! -f $save_to ]; then
echo "$0: Output file $save_to doesn't exist"
echo " (leaving output in $TMPFILE)"
rm $TMPFILE2
trap EXIT # clear trap command to preserve $TMPFILE
exit 1
fi
# extract the GPG output
perl -e '$a = 0; while (<>) { $a = 1 if ($_ =~ /-+BEGIN PGP MESSAGE-+/);
print $_ if $a; $a = 0 if ($_ =~ /-+END PGP MESSAGE-+/); }' < $TMPFILE > $TMPFILE2
if ! grep "END PGP MESSAGE" $TMPFILE2 > /dev/null; then
echo "$0: Failed extracting PGP output from file $TMPFILE into $TMPFILE2"
exit 1
fi
# use cat to preserve permissions etc.
cat $TMPFILE > $save_to
git add $save_to
echo ""
echo "$save_to updated"
echo ""
else
echo ""
echo "Not updated"
echo ""
fi
rm $TMPFILE $TMPFILE2
exit 0
fi
#
# Local execution on a host
#
SECRETFILE=/etc/hiera/data/secrets.yaml.asc
GNUPGHOME=/etc/hiera/gpg/
export GNUPGHOME
GPG=`which gpg2 || true`
if [ ! -x "$GPG" ]; then
GPG=`which gpg || true`
if [ ! -x "$GPG" ]; then
echo "$0: gpg2 or gpg not found"
exit 1
fi
fi
TMPFILE=$(mktemp --tmpdir=/dev/shm)
TMPFILE2=$(mktemp --tmpdir=/dev/shm)
if [ ! -f $TMPFILE ]; then
echo "$TMPFILE"
echo "$0: Failed creating temporary file"
exit 1
fi
if [ ! -f $TMPFILE2 ]; then
echo "$TMPFILE2"
echo "$0: Failed creating temporary file 2"
exit 1
fi
trap "rm -f $TMPFILE $TMPFILE2" EXIT
if [ ! -f "$GNUPGHOME/secring.gpg" ]; then
echo "$0: Secret keyring $GNUPGHOME/secring.gpg does not exist."
exit 1
fi
if [ -s $SECRETFILE ]; then
$GPG -d $SECRETFILE > $TMPFILE
fi
cp $TMPFILE $TMPFILE2
sensible-editor $TMPFILE
rm -f ${TMPFILE}~ ${TMPFILE2}~
echo ""
echo ""
status=0
cmp -s $TMPFILE $TMPFILE2 || status=1
if [ $status -eq 0 ]; then
(
echo "STATUS=NOT_CHANGED"
) > $LAST_OUTPUT_FILENAME
echo ""
echo "$0: No changes detected"
else
# figure out this hosts gpg key id
recipient=$($GPG --list-secret-key | grep ^sec | head -1 | awk '{print $2}' | cut -d / -f 2)
save_to="`hostname --fqdn`/overlay${SECRETFILE}"
echo ""
(
echo "STATUS=UPDATED"
echo "SAVE_TO=$save_to"
echo ""
) > $LAST_OUTPUT_FILENAME
$GPG --output - --armor --recipient $recipient --sign --encrypt $TMPFILE >> $LAST_OUTPUT_FILENAME
echo ""
echo "GPG output saved in $LAST_OUTPUT_FILENAME - save it in Cosmos as"
echo ""
echo " $save_to"
echo ""
fi
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