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#!/bin/bash
# Copyright (c) 2012-2014 Kaarle Ritvanen
# See LICENSE file for license details
function _aconf_req {
local url=$ACONF_URL$1
shift
local resp
resp=$(curl -s -w $'\n\nStatus: %{response_code}\r\n' \
${AConf_Auth_Token:+-H "X-AConf-Auth-Token: $AConf_Auth_Token"} \
${AConf_Transaction_ID:+-H "X-AConf-Transaction-ID: $AConf_Transaction_ID"} \
"$@" $url)
local code=$?
if [ $code -gt 0 ]; then
echo "Request failed, code $code" >&2
return 1
fi
resp=$(echo "$resp" | sed $'s/\r//')
echo "$resp"
local status=$(echo "$resp" | sed 's/^Status: //;ta;d;:a;q')
[ "${status:0:1}" = 2 ] && return
echo "Request failed" >&2
return 1
}
function _aconf_start_req {
local url=$1
shift
local resp
resp=$(_aconf_req "$url" "$@" -D /proc/self/fd/1 -o /proc/self/fd/3)
[ $? -eq 0 ] || return
local txn_id=$AConf_Transaction_ID
while read line; do
eval export "$line"
done < <(echo "$resp" | \
sed 's/^X-\(AConf-[-A-Za-z]\+\): /\1=/;ta;d;:a;y/-/_/')
bash --rcfile "$ACONF_DEV_SHELL"
[ $? -eq 254 ] || _aconf_req $url -X DELETE
AConf_Transaction_ID=$txn_id
}
if [ "$AConf_Auth_Token" ]; then
if [ "$AConf_Transaction_ID" ]; then
cat >&2 <<EOF
Transaction $AConf_Transaction_ID started
Type 'commit' to commit, 'exit' to abort
EOF
else
cat >&2 <<EOF
Available commands:
Fetch object: get <path>
Create/update object: put <path> <JSON content>
Add member to list/set or perform action: post <path> <JSON content>
Delete object: delete <path>
Fetch metadata: meta <path>
Start transaction: start
EOF
if [ $AConf_Save_Required = 1 ]; then
echo " Save changes persistently: save" >&2
fi
cat >&2 <<EOF
Example: put /awall/zone/internet '{"iface": ["eth0"]}'
EOF
fi
PS1="$ACONF_USER@aconf-dev-shell${AConf_Transaction_ID:+($AConf_Transaction_ID)}> "
if [ $AConf_Save_Required = 1 ]; then
function save {
if [ "$AConf_Transaction_ID" ]; then
echo "Transaction not committed" >&2
return 1
fi
_aconf_req /save -X POST
}
fi
function start {
_aconf_start_req /transaction -X POST
}
function meta {
_aconf_req "/meta$1"
}
function _aconf_obj_req {
local path=/config$1
shift
_aconf_req "$path" "$@"
}
function _aconf_post_req {
_aconf_obj_req "$2" -d "$3" -X $1
}
function get {
_aconf_obj_req "$1"
}
function put {
_aconf_post_req PUT "$@"
}
function post {
_aconf_post_req POST "$@"
}
function delete {
_aconf_obj_req "$1" -X DELETE
}
function commit {
if [ "$AConf_Transaction_ID" ]; then
if _aconf_req /transaction -X PUT; then
echo Committed >&2
exit 254
fi
else
echo "No transaction started" >&2
fi
return 1
}
else
cat >&2 <<EOF
Development shell for Alpine Configurator
Copyright (c) 2012-2014 Kaarle Ritvanen
EOF
exec 3>&1
export ACONF_DEV_SHELL=$0
export ACONF_URL=http://localhost:8000
export ACONF_USER=`whoami`
PASSWORD=
function usage {
echo "Usage: $0 [-H <server_url>] [-u <username>] [-p <password>]" >&2
exit $1
}
ARGS=$(getopt -o hH:p:u: -- "$@")
[ $? -gt 0 ] && usage 1
eval set -- $ARGS
while :; do
case $1 in
-h)
usage 0
;;
-H)
shift
ACONF_URL=$1
;;
-p)
shift
PASSWORD=$1
;;
-u)
shift
ACONF_USER=$1
;;
--)
break
esac
shift
done
if [ -z "$PASSWORD" ]; then
echo -n "Password: " >&2
read PASSWORD
echo >&2
fi
AConf_Transaction_ID=
_aconf_start_req /login \
-d "{\"username\": \"$ACONF_USER\", \"password\": \"$PASSWORD\"}"
fi
|
