Rename 20-install-plugins -> 20-install-resources (more generic)

rootfs/etc/cont-init.d/20-install-resources

@@ -0,0 +1,137 @@
+#!/usr/bin/with-contenv bash
+
+# Register exit handler
+trap scriptExitHandler EXIT
+
+function scriptExitHandler() {
+    LAST_EXIT_CODE=$?
+
+    # START_PROCESS is set only if script has passed the lock check
+    # This should ensure that the lock is lifted in any case
+    if [ -n "${WP_PLUGINS_PATH}" ] && [ -n "${START_PROCESS}" ]; then
+        rm "${WP_PLUGINS_PATH}/.installer-lock" -f
+    fi
+
+    if [ "${LAST_EXIT_CODE}" = "0" ]; then
+        echo "> Script finished successfully"
+        exit "${LAST_EXIT_CODE}"
+    fi
+
+    echo "> Script finished with an error"
+    exit "${LAST_EXIT_CODE}"
+}
+
+# Install plugin
+installPlugin() {
+    ARCHIVE="$(wp-plugin download "${@}" 2>/dev/null)"
+    if [ -z "${ARCHIVE}" ]; then
+        return 1
+    fi
+
+    wp-plugin unpack "${@}"
+    return $?
+}
+
+checkInstalled() {
+    FAILED_COUNT=0
+
+    for PLUGIN_EXPR in ${PLUGIN_LIST}; do
+        IFS=':' read -ra PLUGIN <<<"${PLUGIN_EXPR}"
+
+        PLUGIN_SLUG="${PLUGIN[0]}"
+
+        if wp-plugin check "${PLUGIN_SLUG}"; then
+            echo "> Plugin '${PLUGIN_SLUG}' installed"
+            continue
+        fi
+
+        ((FAILED_COUNT = FAILED_COUNT + 1))
+        echo "> Warning: Plugin '${PLUGIN_SLUG}' failed to install"
+    done
+
+    if [ "${FAILED_COUNT}" = "0" ]; then
+        return 0
+    fi
+
+    echo "> Total of ${FAILED_COUNT} plugins failed to install"
+    return 1
+}
+
+# Main function
+function main() {
+    PLUGIN_LIST="${WORDPRESS_PLUGIN_LIST:-}"
+    PLUGIN_STRICT_INSTALL="${WORDPRESS_PLUGIN_INSTALL_STRICT:-false}"
+    WP_CONTENT_PATH="/var/www/html/wp-content"
+    WP_PLUGINS_PATH="${WP_CONTENT_PATH}/plugins"
+
+    # Process locking to prevent multiple instances of this script from running at the same time
+    if [ -f "${WP_PLUGINS_PATH}/.installer-lock" ]; then
+        echo "> Installer is locked by another process. Skipping installation."
+        return 0
+    fi
+
+    START_PROCESS="$(date +%s)"
+
+    export WP_PLUGINS_PATH START_PROCESS
+    touch "${WP_PLUGINS_PATH}/.installer-lock"
+
+    CONCURRENCY_LIMIT="${WP_PLUGINS_INSTALL_CONCURRENCY:-5}"
+
+    echo "> Automated WordPress Resources Installer"
+    if [ -z "${PLUGIN_LIST}" ]; then
+        echo "> No plugins defined. Skipping installation."
+        return 0
+    fi
+
+    echo "> About to install defined plugins"
+    for PLUGIN_EXPR in ${PLUGIN_LIST}; do
+
+        # Split plugin name and version
+        IFS=':' read -ra PLUGIN <<<"${PLUGIN_EXPR}"
+
+        PLUGIN_SLUG="${PLUGIN[0]}"
+        PLUGIN_VERSION="${PLUGIN[1]:-}"
+
+        if wp-plugin check "${PLUGIN_SLUG}"; then
+            echo "> Plugin '${PLUGIN_SLUG}' already installed and will be skipped."
+            continue
+        fi
+
+        if [ -n "${PLUGIN_VERSION}" ]; then
+            echo "> Installing plugin '${PLUGIN_SLUG}' version '${PLUGIN_VERSION}'"
+            installPlugin "${PLUGIN_SLUG}" "${PLUGIN_VERSION}" &
+        else
+            echo "> Installing plugin '${PLUGIN_SLUG}'"
+            installPlugin "${PLUGIN_SLUG}" &
+        fi
+
+        # Run maximum of X plugin installs in parallel
+        while [ "$(jobs | wc -l)" -ge "${CONCURRENCY_LIMIT}" ]; do
+            echo "  Waiting for batch of ${CONCURRENCY_LIMIT} plugins to install..."
+            wait
+        done
+    done
+
+    echo "> Waiting for all tasks to finish..."
+    wait
+
+    # Plugins are installed concurrently, so we need to verify if installed, separately
+    echo "> About to verify install of defined plugins"
+
+    if ! checkInstalled; then
+        echo "> Some plugins failed to install"
+
+        if [ "${PLUGIN_STRICT_INSTALL}" = "true" ]; then
+            echo "> WORDPRESS_PLUGIN_INSTALL_STRICT is set to true. Terminating with non-zero exit code"
+            return 1
+        fi
+
+        return 0
+    fi
+
+    echo "> All plugins installed successfully"
+    return 0
+}
+
+main "${@}"
+exit $?