mirror of
https://github.com/falk-werner/webfuse-provider
synced 2024-10-27 20:44:10 +00:00
40 lines
730 B
Bash
40 lines
730 B
Bash
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#!/bin/sh
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set -e
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container_id() {
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if [ "$#" -le 0 ]; then
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# shellcheck disable=SC2119
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container_id_by_cgroup
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else
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"$DOCKER" inspect --format='{{.Id}}' "$@"
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fi
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}
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# shellcheck disable=SC2120
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container_id_by_cgroup() {
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impl_container_id_by_cgroup "$@" || return "$?"
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}
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impl_container_id_by_cgroup() {
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file="${1:-/proc/self/cgroup}"
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while IFS= read -r cmd; do
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id="$(echo "$cmd" | sed -n -e 's/[^:]*:[^:]*:.*\/\([0-9a-fA-F]\+\)$/\1/p')"
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if container_id "$id" >/dev/null 2>&1; then
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echo "$id"
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return 0
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fi
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done < "$file"
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return 1
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}
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DOCKER="${DOCKER:-docker}"
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if [ -z "${CONTAINER+x}" ] && [ -n "$DOCKER" ]; then
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CONTAINER="$(container_id "$@")" || true
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fi
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echo "$CONTAINER"
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