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https://github.com/linuxkit/linuxkit.git
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114a6971e0
Use a bind mount for OSX and Windows for 9p filesystem. This makes it easier to use a different database source, and to share database into system containers. Signed-off-by: Justin Cormack <justin.cormack@docker.com>
90 lines
1.7 KiB
Bash
Executable File
90 lines
1.7 KiB
Bash
Executable File
#!/bin/sh
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if [ $# -ne 2 ]
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then
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printf "usage: $0 [get|exists|path|dir|find] key\n"
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exit 0
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fi
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if [ $1 == "set" ]
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then
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printf "Configuration is immutable\n" 1>&2
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exit 1
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fi
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if [ ! -d /Database ]
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then
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mkdir -p /Database
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case "$(mobyplatform)" in
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windows)
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mkdir -p /tmp/db
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/sbin/9pmount-vsock listen db /tmp/db
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[ $? -ne 0 ] && rm -rf /Database && printf "Could not mount configuration database\n" 1>&2 && exit 1
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mount --bind /tmp/db/branch/master/ro/com.docker.driver.amd64-linux /Database
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;;
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mac)
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mkdir -p /tmp/db
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mount -t 9p -o trans=virtio,dfltuid=1001,dfltgid=50,version=9p2000 db /tmp/db
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[ $? -ne 0 ] && rm -rf /Database && printf "Could not mount configuration database\n" 1>&2 && exit 1
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mount --bind /tmp/db/branch/master/ro/com.docker.driver.amd64-linux /Database
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;;
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esac
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fi
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BASE=/Database
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KEY=$(echo $2 | sed 's@^/@@')
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if [ $1 == "exists" ]
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then
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[ -d ${BASE}/${KEY} ] && exit 0
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[ -f ${BASE}/${KEY} ] || exit 1
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VALUE="$(cat ${BASE}/${KEY} | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')"
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[ -z "${VALUE}" ] && exit 1
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exit 0
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fi
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if [ $1 == "dir" ]
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then
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[ -d ${BASE}/${KEY} ] && exit 0 || exit 1
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fi
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if [ $1 == "get" ]
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then
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if [ -f ${BASE}/${KEY} ]
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then
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cat ${BASE}/${KEY}
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exit 0
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else
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printf "No such key: ${KEY}\n" 1>&2
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exit 1
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fi
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fi
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if [ $1 == "path" ]
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then
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if [ -e ${BASE}/${KEY} ]
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then
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printf ${BASE}/${KEY}
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exit 0
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else
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printf "No such key: ${KEY}\n" 1>&2
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exit 1
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fi
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fi
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if [ $1 == "find" ]
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then
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if [ -e ${BASE}/${KEY} ]
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then
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find ${BASE}/${KEY} -type f | sed "s@^${BASE}@@g"
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exit 0
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else
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printf "No such key: ${KEY}\n" 1>&2
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exit 1
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fi
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fi
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printf "usage: $0 [get|exists|path|dir|find] key\n"
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exit 1
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