Update mirrorred images list and add Drone config.

.drone.yml

@@ -0,0 +1,29 @@
+---
+kind: pipeline
+type: docker
+name: "lint"
+
+steps:
+  - name: lint
+    image: koalaman/shellcheck:v0.8.0
+    pull: if-not-exists
+    commands:
+      - shellcheck mirror.sh
+
+---
+kind: pipeline
+type: docker
+name: "mirror"
+
+depends_on:
+  - "lint"
+
+trigger:
+  branch: ["main"]
+
+steps:
+  - name: "mirror"
+    image: "docker:20.10.17-dind"
+    pull: if-not-exists
+    commands:
+      - ./mirror.sh drone ${drone_secret}

images/curl.sh

@@ -1 +1,2 @@
+#!/usr/bin/env bash
 echo "curlimages/curl:7.79.1"

images/docker.sh

@@ -1 +1,2 @@
-echo "docker:19.03.13-dind docker:19.03.13 docker:20.10.8-dind"
+#!/usr/bin/env bash
+echo "docker:20.10.17-dind"

images/golang.sh

@@ -1 +1,2 @@
+#!/usr/bin/env bash
 echo "golang:1.15.5-alpine golang:1.17.1-alpine"

images/golangci-lint.sh

@@ -1 +1,2 @@
-echo "golangci/golangci-lint:v1.32.2 golangci/golangci-lint:v1.33.0 golangci/golangci-lint:latest golangci/golangci-lint:v1.42.1"
+#!/usr/bin/env bash
+echo "golangci/golangci-lint:v1.46.2"

mirror.sh

@@ -3,14 +3,18 @@
 # The Docker Image Mirror script.
 
 WHAT_TO_MIRROR=()
-REGISTRY_TO_MIRROR=registry.gitlab.pztrn.name/containers/mirror
+DESTINATION_REGISTRY=code.pztrn.name/containers/mirror
+REGISTRY_USER=$1
+REGISTRY_PASSWORD=$2
 
-for file in $(ls ./images/*.sh); do
+MIRROR_CONFIGS=$(ls ./images/*.sh)
+for file in "${MIRROR_CONFIGS[@]}"; do
 	echo "Importing ${file}..."
-	WHAT_TO_MIRROR=( ${WHAT_TO_MIRROR[@]} $(bash ${file}) )
+	# shellcheck disable=SC2086
+	WHAT_TO_MIRROR=( "${WHAT_TO_MIRROR[@]}" "$(bash ${file})" )
 done
 
-echo "Images to mirror: ${WHAT_TO_MIRROR[@]}"
+echo "Images to mirror: ${WHAT_TO_MIRROR[*]}"
 
 function mirror() {
 	image=$1
@@ -18,24 +22,21 @@ function mirror() {
 	image_version=$(echo "${image}" | cut -d":" -f 2)
 
 	echo -n "Mirroring ${image}... "
-	docker pull "${image}" &> /dev/null
-	if [ $? -ne 0 ]; then
+	if ! docker pull "${image}" &> /dev/null; then
 		echo "FAIL"
 		exit
 	fi
 
-	image_hash=$(docker images -a | grep "^${image_name}" | grep "${image_version}" | awk {' print $3 '})
+	image_hash=$(docker images -a | grep "^${image_name}" | grep "${image_version}" | awk "{' print $3 '}")
 	echo -n "${image_hash} received... "
 
-	docker tag "${image_hash}" "${REGISTRY_TO_MIRROR}/${image}" &> /dev/null
-	if [ $? -ne 0 ]; then
+	if ! docker tag "${image_hash}" "${DESTINATION_REGISTRY}/${image}" &> /dev/null; then
 		echo "FAIL"
 		exit
 	fi
 
 	echo -n "pushing... "
-	docker push "${REGISTRY_TO_MIRROR}/${image}" &> /dev/null
-	if [ $? -ne 0 ]; then
+	if ! docker push "${REGISTRY_TO_MIRROR}/${image}" &> /dev/null; then
 		echo "FAIL"
 		exit
 	fi
@@ -46,7 +47,10 @@ function mirror() {
 	docker image rm "${REGISTRY_TO_MIRROR}/${image}" &> /dev/null
 }
 
+# Login to registry.
+docker login -u "${REGISTRY_USER}" -p "${REGISTRY_PASSWORD}" "${DESTINATION_REGISTRY}"
+
 # Mirror images.
-for image in ${WHAT_TO_MIRROR[@]}; do
-	mirror ${image}
+for image in "${WHAT_TO_MIRROR[@]}"; do
+	mirror "${image}"
 done