budibase/packages/cli/src/hosting/watch.js

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const { resolve } = require("path")
const fs = require("fs")
const { error, success } = require("../utils")
const yaml = require("yaml")
const { getAppService } = require("./utils")
exports.watchPlugins = async pluginPath => {
const PLUGIN_PATH = "/plugins"
// get absolute path
pluginPath = resolve(pluginPath)
if (!fs.existsSync(pluginPath)) {
console.log(
error(
`The directory "${pluginPath}" does not exist, please create and then try again.`
)
)
return
}
const opts = ["docker-compose.yaml", "docker-compose.yml"]
let dockerFilePath = opts.find(name => fs.existsSync(name))
if (!dockerFilePath) {
console.log(error("Unable to locate docker-compose YAML."))
return
}
const dockerYaml = fs.readFileSync(dockerFilePath, "utf8")
const parsedYaml = yaml.parse(dockerYaml)
const service = getAppService(dockerFilePath)
if (!service) {
console.log(
error(
"Unable to locate service within compose file, is it a valid Budibase configuration?"
)
)
return
}
// set environment variable
service.environment["PLUGINS_DIR"] = PLUGIN_PATH
// add volumes to parsed yaml
if (!service.volumes) {
service.volumes = []
}
const found = service.volumes.find(vol => vol.includes(PLUGIN_PATH))
if (found) {
service.volumes.splice(service.volumes.indexOf(found), 1)
}
service.volumes.push(`${pluginPath}:${PLUGIN_PATH}`)
fs.writeFileSync(dockerFilePath, yaml.stringify(parsedYaml))
console.log(success("Docker compose configuration has been updated!"))
}