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piladb.sh
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piladb.sh
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#!/bin/sh
### HELPERS
_log () {
echo -e "$@" >&2
}
_exit_or_return () {
[ "$PS1" ] && return $1 || exit $1;
}
_err_exit () {
_log "error: $1"
_exit_or_return 1
}
_require () {
which $1 > /dev/null || _err_exit "piladb requires '$1'"
}
_require_host () {
if [ -z "$PILADB_HOST" ]; then
_log "env: please set PILADB_HOST, e.g. export PILADB_HOST=127.0.0.1:1205, or start a local server with piladb_start"
_exit_or_return 1
fi
}
### HTTP HELPERS
_piladb_get () {
_require http
_require_host || return 1
http "$PILADB_HOST/$1"
}
_piladb_put () {
_require http
_require_host || return 1
http PUT "$PILADB_HOST/$1"
}
_piladb_post () {
_require http
_require_host || return 1
http POST "$PILADB_HOST/$1" "element:=${@:2}"
}
_piladb_delete () {
_require http
_require_host || return 1
http DELETE "$PILADB_HOST/$1"
}
### PILADB FUNCTIONS
piladb_help () {
_log 'usage: piladb_*
# download pilad in $HOME/bin and add it to PATH
# version: default is 0.1.5
# os: linux, darwin. default is linux.
piladb_download [version] [os]
# start local pilad
# if port is not set, it will default to 1205
# if log_file is not set, it will default to pilad.log
piladb_start [$port:1205] [$log_file:pilad.log]
# stop local pilad
# if pid is not set, it will stop a pilad process
# running on port 1205
piladb_stop [$pid]
# ping piladb
piladb_ping
# show status of piladb
piladb_status
# show config of piladb
piladb_config
# show config value
piladb_config_get $config_value
# set config value
piladb_config_set $config_value $config_key
# show databases
piladb_show_databases
# create database
piladb_create_database $database_name
# show database
piladb_show_database $database_name
# delete database
piladb_delete_database $database_name
# show stacks in database
piladb_show_stack $database_name
# create stack in database
piladb_create_stack $database_name $stack_name
# show stack in database
piladb_create_stack $database_name $stack_name
# delete stack in database
piladb_delete_stack $database_name $stack_name
# PUSH element
piladb_PUSH $database_name $stack_name $element
# POP element
piladb_POP $database_name $stack_name
# PEEK element
piladb_PEEK $database_name $stack_name
# SIZE of stack
piladb_SIZE $database_name $stack_name
# FLUSH stack
piladb_FLUSH $database_name $stack_name
requirements:
httpie: https://github.com/jkbrzt/httpie#installation
PILADB_HOST set, e.g. export PILADB_HOST=127.0.0.1:1205 # mandatory for remote server
thank you!
https://www.piladb.org
https://github.com/oscillatingworks/piladb-sh
https://twitter.com/oscillatingw'
}
piladb_download () {
local VERSION="${1:-"0.1.5"}"
local OS="${2:-"linux"}"
_log "Downloading piladb${VERSION}.${OS}-amd64.tar.gz..."
local DOWNLOAD_URL="https://github.com/fern4lvarez/piladb/releases/download/v${VERSION}/piladb${VERSION}.${OS}-amd64.tar.gz"
wget -q "$DOWNLOAD_URL"
_log "Extracting in ${PWD}..."
tar -zxvf "piladb${VERSION}.${OS}-amd64.tar.gz"
_log "Moving binary to ${HOME}/bin..."
mkdir -p "${HOME}/bin"
mv pilad "${HOME}/bin"
export PATH="${PATH}:${HOME}/bin"
_log "Cleanup..."
rm "piladb${VERSION}.${OS}-amd64.tar.gz"
_log "Done! $(pilad -v)"
}
piladb_start () {
_require pilad || return 1
local PORT="${1:-"1205"}"
local LOG_FILE="${2:-"pilad.log"}"
_log "starting pilad in port ${PORT} logging to ${LOG_FILE}"
pilad -port $PORT &> $LOG_FILE &
# we override PILADB_HOST, as we are using a piladb local server
export PILADB_HOST="127.0.0.1:$PORT"
}
piladb_stop () {
local PILADB_PID="${1:-"$(ps aux | grep "pilad -port 1205" | grep -v grep | awk '{print $2}')"}"
if [ -z "$PILADB_PID" ]; then
_log "no pilad running"
else
_log "killing pilad running in ${PILADB_PID}"
kill "${PILADB_PID}"
fi
}
piladb_ping () {
_piladb_get "_ping"
}
piladb_status () {
_piladb_get "_status"
}
piladb_config () {
_piladb_get "_config"
}
piladb_config_get () {
local CONFIG_KEY="$1"
if [ -z "$CONFIG_KEY" ]; then
_log "config: please provide a config key"
_exit_or_return 1
else
_piladb_get "_config/${CONFIG_KEY}"
fi
}
piladb_config_set () {
local CONFIG_KEY="$1"
local CONFIG_VALUE="$2"
if [ -z "$CONFIG_KEY" ]; then
_log "config: please provide a config key"
_exit_or_return 1
elif [ -z "${CONFIG_VALUE}" ]; then
_log "config: please provide a config value"
_exit_or_return 1
else
_piladb_post "_config/${CONFIG_KEY}" "$CONFIG_VALUE"
fi
}
piladb_show_databases () {
_piladb_get "databases"
}
piladb_create_database () {
local DATABASE_NAME="$1"
if [ -z "$DATABASE_NAME" ]; then
_log "databases: please provide a database name"
_exit_or_return 1
else
_piladb_put "databases?name=${DATABASE_NAME}"
fi
}
piladb_show_database () {
local DATABASE_NAME="$1"
if [ -z "$DATABASE_NAME" ]; then
_log "databases: please provide a database name"
_exit_or_return 1
else
_piladb_get "databases/${DATABASE_NAME}"
fi
}
piladb_delete_database () {
local DATABASE_NAME="$1"
if [ -z "$DATABASE_NAME" ]; then
_log "databases: please provide a database name"
_exit_or_return 1
else
_piladb_delete "databases/${DATABASE_NAME}"
fi
}
piladb_show_stacks () {
local DATABASE_NAME="$1"
if [ -z "$DATABASE_NAME" ]; then
_log "databases: please provide a database name"
_exit_or_return 1
else
_piladb_get "databases/${DATABASE_NAME}/stacks"
fi
}
piladb_create_stack () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "stacks: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "stacks: please provide an stack name"
_exit_or_return 1
else
_piladb_put "databases/${DATABASE_NAME}/stacks?name=${STACK_NAME}"
fi
}
piladb_show_stack () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "stacks: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "stacks: please provide an stack name"
_exit_or_return 1
else
_piladb_get "databases/${DATABASE_NAME}/stacks/${STACK_NAME}"
fi
}
piladb_delete_stack () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "stacks: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "stacks: please provide an stack name"
_exit_or_return 1
else
_piladb_delete "databases/${DATABASE_NAME}/stacks/${STACK_NAME}?full"
fi
}
piladb_PUSH () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
local ELEMENT="${@:3}"
if [ -z "$DATABASE_NAME" ]; then
_log "push: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "push: please provide an stack name"
_exit_or_return 1
elif [ -z "${ELEMENT}" ]; then
_log "push: please provide an element"
_exit_or_return 1
else
_piladb_post "databases/${DATABASE_NAME}/stacks/${STACK_NAME}" "$ELEMENT"
fi
}
piladb_POP () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "push: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "push: please provide an stack name"
_exit_or_return 1
else
_piladb_delete "databases/${DATABASE_NAME}/stacks/${STACK_NAME}"
fi
}
piladb_PEEK () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "push: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "push: please provide an stack name"
_exit_or_return 1
else
_piladb_get "databases/${DATABASE_NAME}/stacks/${STACK_NAME}?peek"
fi
}
piladb_SIZE () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "push: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "push: please provide an stack name"
_exit_or_return 1
else
_piladb_get "databases/${DATABASE_NAME}/stacks/${STACK_NAME}?size"
fi
}
piladb_FLUSH () {
local DATABASE_NAME="$1"
local STACK_NAME="$2"
if [ -z "$DATABASE_NAME" ]; then
_log "push: please provide a database name"
_exit_or_return 1
elif [ -z "$STACK_NAME" ]; then
_log "push: please provide an stack name"
_exit_or_return 1
else
_piladb_delete "databases/${DATABASE_NAME}/stacks/${STACK_NAME}?flush"
fi
}