F #79: Harbor code + persistency

appliances/Harbor/appliance.sh

@@ -0,0 +1,280 @@
+# ---------------------------------------------------------------------------- #
+# Copyright 2024, OpenNebula Project, OpenNebula Systems                  #
+#                                                                              #
+# Licensed under the Apache License, Version 2.0 (the "License"); you may      #
+# not use this file except in compliance with the License. You may obtain      #
+# a copy of the License at                                                     #
+#                                                                              #
+# http://www.apache.org/licenses/LICENSE-2.0                                   #
+#                                                                              #
+# Unless required by applicable law or agreed to in writing, software          #
+# distributed under the License is distributed on an "AS IS" BASIS,            #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     #
+# See the License for the specific language governing permissions and          #
+# limitations under the License.                                               #
+# ---------------------------------------------------------------------------- #
+
+# Harbor Docker Registry Appliance for OpenNebula Marketplace
+
+### Utility Functions
+
+gen_db_password() {
+    # In case of password losing, it can be retrieved from the harbor-db container root environment variables 
+    tr -dc A-Za-z0-9 </dev/urandom | head -c 20; echo
+}
+
+
+# List of contextualization parameters #######################################
+ONE_SERVICE_PARAMS=(
+    'HARBOR_ADMIN_PASSWORD'     'configure' 'Harbor admin password'                             'O|password'
+    'HARBOR_DB_PASSWORD'        'configure' 'Harbor database password'                          'O|password'
+    'HARBOR_HOSTNAME'           'configure' 'Harbor hostname/IP'                                'O|text'
+    'HARBOR_SSL_CERT'           'configure' 'SSL certificate (.crt)'                            'O|text64'
+    'HARBOR_SSL_KEY'            'configure' 'SSL key (.key)'                                    'O|text64'
+)
+
+### Contextualization defaults #######################################
+HARBOR_ADMIN_PASSWORD="${HARBOR_ADMIN_PASSWORD:-Harbor12345}"  # Default Harbor admin password
+HARBOR_DB_PASSWORD="${HARBOR_DB_PASSWORD:-$(gen_db_password)}" # Defaults to autogenerated password
+HARBOR_HOSTNAME="${HARBOR_HOSTNAME:-0.0.0.0}" # Listens in all interfaces by default
+HARBOR_SSL_CERT="${HARBOR_SSL_CERT:-AG}" # Defaults to "AG", indicating "AutoGenerated"
+HARBOR_SSL_KEY="${HARBOR_SSL_KEY:-AG}" # Defaults to "AG", indicating "AutoGenerated"
+
+
+### Installation Stage => Installs requirements, downloads and unpacks Harbor 
+service_install() {
+    msg info "Checking internet access..."
+    check_internet_access
+    install_requirements
+    download_unpack_harbor
+    msg info "Installation phase finished"
+}
+
+### Configuration Stage => Configures Harbor YAML and SSL certificates
+service_configure() { 
+    msg info "Starting configuration..."
+    mount_persistent
+    ## SSL CERTS
+
+    mkdir /root/certs
+    if [ "$HARBOR_SSL_CERT" = "AG" ] || [ "$HARBOR_SSL_KEY" = "AG" ]; then
+        msg info "Autogenerating SSL certificates..."
+        generate_ssl_certs
+    else
+        msg info "Configuring provided SSL certificates..."
+        echo $HARBOR_SSL_CERT >> mkdir /root/certs/server.crt
+        echo $HARBOR_SSL_KEY >> mkdir /root/certs/server.key
+    fi
+
+    msg info "Configuring Harbor YAML file..."
+
+    gawk -i inplace -v cert="/root/certs/server.crt" -v key="/root/certs/server.key" -v hostname="$HARBOR_HOSTNAME" '
+    {
+        if ($1 == "certificate:") {
+            print "  certificate:", cert
+        } else if ($1 == "private_key:") {
+            print "  private_key:", key
+        } else if ($1 == "hostname:") {
+            print "hostname:", hostname
+        } else {
+            print
+        }
+    }' /root/harbor/harbor.yml
+
+    gawk -i inplace -v admin_pwd="$HARBOR_ADMIN_PASSWORD" -v db_pwd="$HARBOR_DB_PASSWORD" '
+    {
+        if ($1 == "harbor_admin_password:") {
+            print "harbor_admin_password:", admin_pwd
+        } else if ($1 == "password:") {
+            print "  password:", db_pwd
+        } else {
+            print
+        }
+    }' /root/harbor/harbor.yml
+    msg info "Configuration phase finished"
+}
+
+service_bootstrap() { # Running Harbor installer => will generate and run docker-compose
+    msg info "Starting bootstrap..."
+    /root/harbor/install.sh
+    if [ $? -ne 0 ]; then
+	    msg error "Harbor installation script failed, aborting..."
+        exit 1
+    else
+        msg info "Harbor installation script finished successfully. Waiting 60s before final health checks..."
+    fi
+    sleep 60
+    msg info "Running final health checks..."
+    wait_for_docker_containers
+    cleanup_installation
+    msg info "Bootstrap phase finished"
+
+}
+
+### Function Definitions
+
+check_internet_access() {
+    # Ping Google's public DNS server
+    if ping -c 1 8.8.8.8 &> /dev/null; then
+        msg info "Internet access OK"
+        return 0
+    else
+        msg error "The VM does not have internet access. Aborting Harbor deployment..."
+        exit 1
+    fi
+}
+
+install_requirements(){
+    apt update && apt install openssl ca-certificates curl gnupg docker.io docker-compose -y
+    if [ $? -eq 0 ]; then
+	    msg info "Dependencies installation finished successfully. Running extra checks..."
+    else
+        msg error "Dependencies installation failed. Resuming..."
+    fi
+    check_docker
+    check_docker_compose
+}
+
+check_docker() {
+    msg info "Checking if Docker is installed and running..."
+    if ! command -v docker &> /dev/null; then
+        msg error "Docker could not be found, Docker installation failed..."
+    else
+        msg info "Docker is installed, ensuring it is running..."
+        if ! systemctl is-active --quiet docker; then
+            msg warning "Docker is not running, attempting to start Docker..."
+            systemctl start docker
+            systemctl enable docker
+            sleep 5
+        fi
+        if ! systemctl is-active --quiet docker; then
+            msg error "Failed to start Docker, please check the Docker service and try again."
+            exit 1
+        else
+            msg info "Docker is running"
+            return 0
+        fi
+    fi
+}
+
+check_docker_compose() {
+    msg info "Checking if docker-compose is installed..."
+    if ! command -v docker-compose &> /dev/null; then
+        msg error "docker-compose could not be found, aborting..."
+        exit 1
+    else
+        msg info "docker-compose is installed"
+        return 0
+    fi
+}
+
+
+
+generate_ssl_certs() {
+    if [ -z "${HARBOR_HOSTNAME}" ]; then
+        msg info "HARBOR_HOSTNAME is not set or is empty. Generating certs with 'example.com'"
+        HARBOR_HOSTNAME=example.com
+    fi
+    openssl req -new -newkey rsa:2048 -sha256 -days 365 -nodes -x509 \
+    -keyout /root/certs/server.key -out /root/certs/server.crt \
+    -subj "/C=US/ST=State/L=City/O=Organization/CN=$HARBOR_HOSTNAME"
+    if [ $? -eq 0 ]; then
+        msg info "Certificate generated successfully"
+    else
+        msg info "Error generating SSL certificate. Resuming..."
+    fi
+}
+
+
+download_unpack_harbor() {
+    msg info "Downloading Harbor..."
+    url=$(curl -s https://api.github.com/repos/goharbor/harbor/releases/latest | grep browser_download_url | cut -d '"' -f 4 | grep '\.tgz$' | grep online)
+    if [ $? -ne 0 ]; then
+        msg error "Unable to obtain Harbor download URL, aborting..."
+        exit 1
+    fi
+    wget -P /root/ $url
+    if [ $? -ne 0 ]; then
+	    msg info "Harbor download failed. Download URL: $url"
+        exit 1
+    else
+        msg info "Harbor downloaded successfully"
+    fi
+    tar -xvzf /root/harbor-online-installer-v*.tgz
+    if [ $? -ne 0 ]; then
+	    msg info "Harbor unpacking failed. Aborting..."
+        exit 1
+    else
+        msg info "Harbor unpacked successfully"
+    fi
+    cp /root/harbor/harbor.yml.tmpl /root/harbor/harbor.yml
+}
+
+
+mount_persistent() {
+    # Check if /data directory exists, if not create it
+    if [ ! -d "/data" ]; then
+        mkdir -p /data
+    fi
+
+    # Check if /dev/vda exists
+    if [ -e "/dev/vda" ]; then
+        # Check if already mounted
+        msg info "Persistent disk (/dev/vda) detected"
+        if grep -qs '/dev/vda' /proc/mounts; then
+            msg info "/dev/vda is already mounted."
+        else
+            # Add entry to /etc/fstab for persistence
+            echo "/dev/vda   /data   ext4   defaults   0   2" | sudo tee -a /etc/fstab > /dev/null
+            # Mount the drive
+            mount -a
+            msg info "Mounted /dev/vda to /data successfully."
+        fi
+    else
+        msg error "Device /dev/vda does not exist, persistency can not be ensured"
+        exit 1
+    fi
+}
+
+
+wait_for_docker_containers() {
+    local start_time=$(date +%s)
+    local end_time=$((start_time + 300))  # 5 minutes in seconds
+    local all_healthy=1
+
+    while [ $(date +%s) -lt $end_time ]; do
+        # Get the IDs of all running containers
+        local container_ids=$(docker ps --format "{{.ID}}")
+
+        # Iterate through each container ID to check its health
+        for container_id in $container_ids; do
+            local health=$(docker inspect --format "{{.State.Health.Status}}" "$container_id")
+
+            # Check if the container is healthy
+            if [ "$health" != "healthy" ]; then
+                all_healthy=0
+                break  # Break out of the loop if any container is not healthy
+            fi
+        done
+
+        if [ $all_healthy -eq 1 ]; then
+            msg info "All Docker containers are healthy."
+            return 0  # All containers are healthy, exit successfully
+        fi
+
+        # Sleep for 5 seconds before checking again
+        sleep 5
+    done
+
+    # If execution reaches here, some containers are still unhealthy after 5 minutes
+    msg warning "Some Docker containers are not healthy after 5 minutes."
+    return 1
+}
+
+
+
+cleanup_installation() {
+    msg info "Cleaning up installation residues..."
+    apt-get clean
+    rm /root/harbor-online-installer-v*.tgz
+}

packer/service_Harbor/81-configure-ssh.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Configures critical settings for OpenSSH server.
+
+exec 1>&2
+set -eux -o pipefail
+
+gawk -i inplace -f- /etc/ssh/sshd_config <<'EOF'
+BEGIN { update = "PasswordAuthentication no" }
+/^[#\s]*PasswordAuthentication\s/ { $0 = update; found = 1 }
+{ print }
+ENDFILE { if (!found) print update }
+EOF
+
+gawk -i inplace -f- /etc/ssh/sshd_config <<'EOF'
+BEGIN { update = "PermitRootLogin without-password" }
+/^[#\s]*PermitRootLogin\s/ { $0 = update; found = 1 }
+{ print }
+ENDFILE { if (!found) print update }
+EOF
+
+gawk -i inplace -f- /etc/ssh/sshd_config <<'EOF'
+BEGIN { update = "UseDNS no" }
+/^[#\s]*UseDNS\s/ { $0 = update; found = 1 }
+{ print }
+ENDFILE { if (!found) print update }
+EOF
+
+sync

packer/service_Harbor/82-configure-context.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# Configure and enable service context.
+
+exec 1>&2
+set -eux -o pipefail
+
+mv /etc/one-appliance/net-90-service-appliance /etc/one-context.d/
+mv /etc/one-appliance/net-99-report-ready      /etc/one-context.d/
+
+chown root:root /etc/one-context.d/*
+chmod u=rwx,go=rx /etc/one-context.d/*
+
+sync