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Diddlycraft Discussion / Re: Halloween in Diddlycraft
« on: October 24, 2024, 08:07:17 PM »
Halloween is the perfect time for a Death Knight in Diddlycraft.
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#!/bin/bash
DATAPATH='/data/docker/updater/data'
if [ ! -d "${DATAPATH}" ]; then
mkdir "${DATAPATH}";
fi
IMAGES=$(docker ps --format "{{.Image}}")
for IMAGE in $IMAGES; do
ORIGIMAGE=${IMAGE}
if [[ "$IMAGE" != *\/* ]]; then
IMAGE=library/${IMAGE}
fi
IMAGE=${IMAGE%%:*}
echo "Checking ${IMAGE}"
PARSED=${IMAGE//\//.}
if [ ! -f "${DATAPATH}/${PARSED}" ]; then
# File doesn't exist yet, make baseline
echo "Setting baseline for ${IMAGE}"
curl -s "https://registry.hub.docker.com/v2/repositories/${IMAGE}/tags/" > "${DATAPATH}/${PARSED}"
else
# File does exist, do a compare
NEW=$(curl -s "https://registry.hub.docker.com/v2/repositories/${IMAGE}/tags/")
OLD=$(cat "${DATAPATH}/${PARSED}")
if [[ "${VAR1}" == "${VAR2}" ]]; then
echo "Image ${IMAGE} is up to date";
else
echo ${NEW} > "${DATAPATH}/${PARSED}"
echo "Image ${IMAGE} needs to be updated";
H=`hostname`
ssh -i /data/keys/<KEYFILE> <USER>@<REMOTEHOST>.com "{ echo \"MAIL FROM: root@${H}\"; echo \"RCPT TO: <USER>@<EMAILHOST>.com\"; echo \"DATA\"; echo \"Subject: ${H} - ${IMAGE} needs update\"; echo \"\"; echo -e \"\n${IMAGE} needs update.\n\ndocker pull ${ORIGIMAGE}\"; echo \"\"; echo \".\"; echo \"quit\"; sleep 1; } | telnet <SMTPHOST> 25"
fi
fi
done;