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Adds pushover notifications #103

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Adds pushover notifications #103

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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,8 @@ AUTOHEAL_DEFAULT_STOP_TIMEOUT=10 # Docker waits max 10 seconds (the Docker def
DOCKER_SOCK=/var/run/docker.sock # Unix socket for curl requests to Docker API
CURL_TIMEOUT=30 # --max-time seconds for curl requests to Docker API
WEBHOOK_URL="" # post message to the webhook if a container was restarted (or restart failed)
PUSHOVER_USER_KEY="" # post message with pushover if a container was restarted (or restart failed), needs to be used in conjunction with PUSHOVER_APP_TOKEN
PUSHOVER_APP_TOKEN="" # post message with pushover if a container was restarted (or restart failed), needs to be used in conjunction with PUSHOVER_USER_KEY
```

### Optional Container Labels
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18 changes: 18 additions & 0 deletions docker-entrypoint
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Expand Up @@ -8,6 +8,8 @@ DOCKER_SOCK=${DOCKER_SOCK:-/var/run/docker.sock}
UNIX_SOCK=""
CURL_TIMEOUT=${CURL_TIMEOUT:-30}
WEBHOOK_URL=${WEBHOOK_URL:-""}
PUSHOVER_APP_TOKEN=${PUSHOVER_APP_TOKEN:-""}
PUSHOVER_USER_KEY=${PUSHOVER_USER_KEY:-""}

# only use unix domain socket if no TCP endpoint is defined
case "${DOCKER_SOCK}" in
Expand Down Expand Up @@ -77,6 +79,20 @@ generate_webhook_payload() {
EOF
}

# https://support.pushover.net/i44-example-code-and-pushover-libraries#unix
notify_pushover() {
local message="$@"

if [ -n "$PUSHOVER_USER_KEY" ] && [ -n "$PUSHOVER_APP_TOKEN" ]
then
curl -s \
--form-string "token=${PUSHOVER_APP_TOKEN}" \
--form-string "user=${PUSHOVER_USER_KEY}" \
--form-string "message=${message}" \
https://api.pushover.net/1/messages.json
fi
}

# SIGTERM-handler
term_handler() {
exit 143 # 128 + 15 -- SIGTERM
Expand Down Expand Up @@ -116,8 +132,10 @@ if [ "$1" = "autoheal" ] && [ -e "$DOCKER_SOCK" ];then
then
echo "$DATE Restarting container $CONTAINER_SHORT_ID failed" >&2
notify_webhook "Container ${CONTAINER_NAME:1} (${CONTAINER_SHORT_ID}) found to be unhealthy. Failed to restart the container!" &
notify_pushover "Container ${CONTAINER_NAME:1} (${CONTAINER_SHORT_ID}) found to be unhealthy. Failed to restart the container!" &
else
notify_webhook "Container ${CONTAINER_NAME:1} (${CONTAINER_SHORT_ID}) found to be unhealthy. Successfully restarted the container!" &
notify_pushover "Container ${CONTAINER_NAME:1} (${CONTAINER_SHORT_ID}) found to be unhealthy. Successfully restarted the container!" &
fi
fi
done
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