2803cf6792
Home Assistant add-on that joins the instance to a Netmaker network via netclient. Distributed as a repository add-on using a prebuilt arm64 image (gitea.savant.io/homeassistant/netmaker) to avoid local buildx. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
36 lines
1.3 KiB
Plaintext
36 lines
1.3 KiB
Plaintext
#!/command/with-contenv bashio
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# shellcheck shell=bash
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export LOG_FD
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# Netclient has no queryable status socket, so this treats the app as:
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# - healthy while it is still trying to join (within HEALTHCHECK_RESTART_TIMEOUT)
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# - healthy once it has joined a network and the daemon process is running
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# - unhealthy if it never manages to join within HEALTHCHECK_RESTART_TIMEOUT
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# Redirect outputs to the log (&1 and &2 are not initialized by Docker)
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exec &> /proc/1/fd/1
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if [[ "${LOG_FD:-}" =~ ^[0-9]+$ ]]; then
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eval "exec ${LOG_FD}>&1" || true
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fi
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readonly HEALTHCHECK_RESTART_TIMEOUT=3600 # 1 hour
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readonly NODES_FILE="/etc/netclient/nodes.json"
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# STARTED_TIMESTAMP is stored in contenv at /var/run/s6/container_environment
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if ! bashio::var.has_value "${STARTED_TIMESTAMP-}"; then
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STARTED_TIMESTAMP=$(date +"%s")
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printf "%s" "${STARTED_TIMESTAMP}" > /var/run/s6/container_environment/STARTED_TIMESTAMP
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fi
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# Healthy as soon as we are joined to at least one network.
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if bashio::fs.file_exists "${NODES_FILE}" \
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&& jq --exit-status 'length > 0' "${NODES_FILE}" > /dev/null 2>&1; then
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exit 0
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fi
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# Not joined yet: stay healthy during the initial window, then fail so the
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# container is restarted.
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if (( $(date +"%s") - STARTED_TIMESTAMP > HEALTHCHECK_RESTART_TIMEOUT )); then
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bashio::exit.nok "netclient has not joined a network within the expected time"
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fi
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