45 行
1.4 KiB
Bash
実行ファイル
45 行
1.4 KiB
Bash
実行ファイル
#!/bin/sh -e
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#
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# hostname: report a host's name
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#
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# Copyright (C) 2008-2011 Canonical Ltd.
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# Copyright (C) 2011-2014 Dustin Kirkland
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#
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# Authors: Dustin Kirkland <kirkland@byobu.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, version 3 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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__hostname_detail() {
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hostname -f 2>/dev/null
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}
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__hostname() {
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local h=
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if eval $BYOBU_TEST hostname >/dev/null 2>&1; then
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h=$(hostname -s 2>/dev/null || hostname)
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elif [ -r /proc/sys/kernel/hostname ]; then
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read h < /proc/sys/kernel/hostname
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fi
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if metadata_available; then
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local cache="$BYOBU_RUN_DIR/cache.$BYOBU_BACKEND/hostname"
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# Background a retrieval of our public hostname
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timeout 0.2 wget -q -O- http://169.254.169.254/latest/meta-data/public-hostname </dev/null >"$cache" 2>/dev/null &
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sleep 0.02
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[ -s "$cache" ] && read h < "$cache"
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fi
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[ -n "$h" ] || return
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color bold2; printf "%s" "$h"; color --
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}
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# vi: syntax=sh ts=4 noexpandtab
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