feat: add script for automatic management of Docker images

Author: A1ex3

.gitignore

@@ -1,2 +1,3 @@
 .vscode/
-venv/
+venv/
+install_gitlab_ci_centos8/

README.md

@@ -4,6 +4,11 @@
 curl -L "https://raw.githubusercontent.com/A1ex3/install_gitlab_ci_centos8/refs/tags/<TAG>/install_gitlab-runner_and_docker.sh" | sudo bash
 ```
 
+## Installing scripts for Docker (Optional)
+```bash
+curl -L "https://raw.githubusercontent.com/A1ex3/install_gitlab_ci_centos8/refs/tags/<TAG>/install_docker_scripts.sh" | sudo bash
+```
+
 ## If you have problems with the package manager, use this script.
 
 ```bash

dckr/gitlab_ci_docker_scripts.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=Script for automatic docker management for gitlab ci
+After=network.target
+
+[Service]
+ExecStart=/gitlab_ci_scripts/venv/bin/python3 /gitlab_ci_scripts/dckr/remove_unused_docker_images.py --config /gitlab_ci_scripts/config.json
+WorkingDirectory=/gitlab_ci_scripts
+User=root
+Restart=always
+RestartSec=10
+StandardOutput=append:/var/log/gitlab_ci_docker_scripts.log
+StandardError=append:/var/log/gitlab_ci_docker_scripts.log
+
+[Install]
+WantedBy=multi-user.target

install_docker_scripts.sh

@@ -0,0 +1,46 @@
+#! /bin/bash
+
+PWD=$(pwd)
+REPO_NAME="install_gitlab_ci_centos8"
+REPO_VERSION="main"
+WORK_DIR_NAME="/gitlab_ci_scripts"
+
+function check_dependency () {
+    if ! command -v $1 &> /dev/null; then
+        echo "'$1' not found!"
+        return 1
+    else
+        return 0
+    fi
+}
+
+check_dependency git || exit 1
+check_dependency python3 || exit 1
+check_dependency pip && pip3 || exit 1
+
+rm -rf $REPO_NAME
+if ! git clone -b "$REPO_VERSION" https://github.com/A1ex3/"$REPO_NAME.git"; then
+    echo "Failed to clone the repository!"
+    exit 1
+fi
+
+if cp "$REPO_NAME/dckr/gitlab_ci_docker_scripts.service" /etc/systemd/system/gitlab_ci_docker_scripts.service; then
+    rm -f "$REPO_NAME/dckr/gitlab_ci_docker_scripts.service"
+else
+    echo "Failed to copy service file!"
+    exit 1
+fi
+
+rm -rf "$WORK_DIR_NAME"
+mkdir -p "$WORK_DIR_NAME"
+cp -ru "$REPO_NAME/dckr/"* "$WORK_DIR_NAME"
+rm -rf "$REPO_NAME"
+
+cd "$WORK_DIR_NAME" || exit 1
+
+if ! pip3 install -r requirements.txt; then
+    echo "Failed to install dependencies for Python!"
+    exit 1
+fi
+
+cd "$PWD" || exit 1

install_gitlab-runner_and_docker.sh

@@ -1,12 +1,12 @@
 #! /bin/bash
 
 if ! command -v docker &> /dev/null; then
-    sudo yum install -y yum-utils
-    sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
-    sudo yum install docker-ce docker-ce-cli containerd.io -y
+    yum install -y yum-utils
+    yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
+    yum install docker-ce docker-ce-cli containerd.io -y
 
-    sudo systemctl start docker
-    sudo systemctl enable docker
+    systemctl start docker
+    systemctl enable docker
 
     if ! command -v docker &> /dev/null; then
         echo "Failed to install Docker"
@@ -18,7 +18,7 @@ fi
 
 if ! command -v gitlab-runner &> /dev/null; then
     curl -L "https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh" | sudo bash
-    sudo yum install gitlab-runner -y
+    yum install gitlab-runner -y
 
     if ! command -v gitlab-runner &> /dev/null; then
         echo "Failed to install gitlab-runner"