leberkleber/wait_until_curl repository overview

⁠wait-until-curl

Dockerfile which wait until curl response become to expected value

⁠Environment Variables

WUC_URL

This is the url which would be called to check the truthiness of the expected valued. Can be prefixed with http or https. e.g.:

• https://myService:8080/internal/health⁠
• myService/health

WUC_WRITE_OUT

String which would be compared with the expected value (see: WUC_EXPECTED). Must be written in curl '--write-out' format. For more Information see https://manpages.debian.org/stretch/curl/curl.1.en.html#OPTIONS⁠ > --write-out. e.g.:

• %{status_code}

WUC_EXPECTED

Value which expected as 'WUC_WRITE_OUT' result e.g.:

• 200
• 201

WUC_SLEEP_TIME

Sleep time in seconds between requests. Default 1

WUC_MAX_INTERATION

Max retries to reach expected value. Default -1 (endless)

⁠Example

docker run --rm -e "WUC_EXPECTED=200" -e "WUC_WRITE_OUT=%{http_code}" -e "WUC_URL=http://myservice:8080/internal/health" --network "myservice_default" leberkleber/wait_until_curl