Docker lsyncd script

README.md

Docker Lsyncd script

Usage:

sync {
    docker,
    source = ".",
    target="container:/path/in/container/",
    host=os.getenv("DOCKER_HOST"),
    excludes = {
        '.git'
    },
}

docker_lsync.lua

docker = {
    checkgauge = {
        host = true,
        excludes = true
    },
    delay = 0,
    maxProcesses = 1,
    action = function(inlet)
        local config = inlet.getConfig()
        local event = inlet.getEvent()
        local p = event.pathname
        local target = event.targetPathname
        if config.host == nil then
            log("Normal", "No DOCKER_HOST set, defaulting to 'unix://'")
            config.host = 'unix://'
        end
        log("Normal", "Event "..event.etype..", Pathname is ."..p)
        for key,exclude in ipairs(config.excludes) do
            if string.match(p, exclude) then
                log("Normal", "Path is excluded '"..p.."' by '"..exclude.."'")
                inlet.discardEvent(event);
                return;
            end
        end
        if event.etype == "Create" or event.etype == "Modify" then
            spawnShell(event, "docker -H "..config.host.." cp ."..p.." "..target)
            return
        end
        inlet.discardEvent(event)
    end,
    collect = function(agent, exitcode)
        return 'ok'
    end
}