[英]How to Jenkins Groovy scripting for live fetching of Docker image + authentication
I have a script groovy, this script for live fetching of docker image, I want to add the authentication function with the private repository, but I am not familiar with groovy, who can help me, thanks I have a script groovy, this script for live fetching of docker image, I want to add the authentication function with the private repository, but I am not familiar with groovy, who can help me, thanks
import groovy.json.JsonSlurper
// Set the URL we want to read from, it is MySQL from official Library for this example, limited to 20 results only.
docker_image_tags_url = "https://registry.adx.abc/v2/mysql/tags/list"
try {
// Set requirements for the HTTP GET request, you can add Content-Type headers and so on...
def http_client = new URL(docker_image_tags_url).openConnection() as HttpURLConnection
http_client.setRequestMethod('GET')
// Run the HTTP request
http_client.connect()
// Prepare a variable where we save parsed JSON as a HashMap, it's good for our use case, as we just need the 'name' of each tag.
def dockerhub_response = [:]
// Check if we got HTTP 200, otherwise exit
if (http_client.responseCode == 200) {
dockerhub_response = new JsonSlurper().parseText(http_client.inputStream.getText('UTF-8'))
} else {
println("HTTP response error")
System.exit(0)
}
// Prepare a List to collect the tag names into
def image_tag_list = []
// Iterate the HashMap of all Tags and grab only their "names" into our List
dockerhub_response.results.each { tag_metadata ->
image_tag_list.add(tag_metadata.name)
}
// The returned value MUST be a Groovy type of List or a related type (inherited from List)
// It is necessary for the Active Choice plugin to display results in a combo-box
return image_tag_list.sort()
} catch (Exception e) {
// handle exceptions like timeout, connection errors, etc.
println(e)
}
The problem has been resolved, thank you everyone for your help问题已解决,谢谢大家的帮助
// Import the JsonSlurper class to parse Dockerhub API response
import groovy.json.JsonSlurper
// Set the URL we want to read from, it is MySQL from official Library for this example, limited to 20 results only.
docker_image_tags_url = "https://registry.adx.vn/v2/form-be/tags/list"
try {
// Set requirements for the HTTP GET request, you can add Content-Type headers and so on...
def http_client = new URL(docker_image_tags_url).openConnection() as HttpURLConnection
http_client.setRequestMethod('GET')
String userCredentials = "your_user:your_passwd";
String basicAuth = "Basic " + new String(Base64.getEncoder().encode(userCredentials.getBytes()));
http_client.setRequestProperty ("Authorization", basicAuth);
// Run the HTTP request
http_client.connect()
// Prepare a variable where we save parsed JSON as a HashMap, it's good for our use case, as we just need the 'name' of each tag.
def dockerhub_response = [:]
// Check if we got HTTP 200, otherwise exit
if (http_client.responseCode == 200) {
dockerhub_response = new JsonSlurper().parseText(http_client.inputStream.getText('UTF-8'))
} else {
println("HTTP response error")
System.exit(0)
}
// Prepare a List to collect the tag names into
def image_tag_list = []
// Iterate the HashMap of all Tags and grab only their "names" into our List
dockerhub_response.tags.each { tag_metadata ->
image_tag_list.add(tag_metadata)
}
// The returned value MUST be a Groovy type of List or a related type (inherited from List)
// It is necessary for the Active Choice plugin to display results in a combo-box
return image_tag_list.sort()
} catch (Exception e) {
// handle exceptions like timeout, connection errors, etc.
println(e)
}
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