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feat: Add persistent storage support for Redis and APCu (v0.4.0)
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- Add StorageFactory class for storage adapter selection with fallback
- Support Redis storage for shared metrics across instances
- Support APCu storage for high-performance single-server deployments
- Add Storage tab in admin settings with configuration UI
- Add connection testing for Redis and APCu adapters
- Support environment variables for Docker/containerized deployments
- Update Collector to use StorageFactory instead of hardcoded InMemory
- Add all translations (English and German)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Marco Grätsch
2026-02-02 16:15:53 +01:00
parent bad977bef0
commit 898af5e9d2
11 changed files with 1693 additions and 13 deletions
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130
assets/js/admin.js
View File

@@ -21,6 +21,9 @@
// Runtime metrics reset handler.
initResetRuntimeHandler();
// Storage tab handlers.
initStorageHandlers();
});
/**
@@ -613,4 +616,131 @@
document.body.removeChild(a);
URL.revokeObjectURL(url);
}
/**
* Initialize storage tab handlers.
*/
function initStorageHandlers() {
var $form = $('#wp-prometheus-storage-form');
var $adapterSelect = $('#storage-adapter');
// Show/hide adapter-specific config.
$adapterSelect.on('change', function() {
var adapter = $(this).val();
$('#redis-config').toggle(adapter === 'redis');
$('#apcu-config').toggle(adapter === 'apcu');
});
// Save storage settings.
$form.on('submit', function(e) {
e.preventDefault();
saveStorageSettings();
});
// Test storage connection.
$('#test-storage').on('click', function() {
testStorageConnection();
});
}
/**
* Save storage settings via AJAX.
*/
function saveStorageSettings() {
var $spinner = $('#wp-prometheus-storage-spinner');
var $message = $('#wp-prometheus-storage-message');
var $form = $('#wp-prometheus-storage-form');
$spinner.addClass('is-active');
$message.hide();
var formData = $form.serialize();
formData += '&action=wp_prometheus_save_storage';
formData += '&nonce=' + wpPrometheus.storageNonce;
$.ajax({
url: wpPrometheus.ajaxUrl,
type: 'POST',
data: formData,
success: function(response) {
$spinner.removeClass('is-active');
if (response.success) {
var noticeClass = response.data.warning ? 'notice-warning' : 'notice-success';
$message
.removeClass('notice-error notice-success notice-warning')
.addClass('notice ' + noticeClass)
.html('<p>' + response.data.message + '</p>')
.show();
if (!response.data.warning) {
setTimeout(function() {
location.reload();
}, 1500);
}
} else {
$message
.removeClass('notice-success notice-warning')
.addClass('notice notice-error')
.html('<p>' + (response.data.message || 'An error occurred.') + '</p>')
.show();
}
},
error: function() {
$spinner.removeClass('is-active');
$message
.removeClass('notice-success notice-warning')
.addClass('notice notice-error')
.html('<p>Connection error. Please try again.</p>')
.show();
}
});
}
/**
* Test storage connection via AJAX.
*/
function testStorageConnection() {
var $spinner = $('#wp-prometheus-storage-spinner');
var $message = $('#wp-prometheus-storage-message');
var $form = $('#wp-prometheus-storage-form');
$spinner.addClass('is-active');
$message.hide();
var formData = $form.serialize();
formData += '&action=wp_prometheus_test_storage';
formData += '&nonce=' + wpPrometheus.storageNonce;
$.ajax({
url: wpPrometheus.ajaxUrl,
type: 'POST',
data: formData,
success: function(response) {
$spinner.removeClass('is-active');
if (response.success) {
$message
.removeClass('notice-error notice-warning')
.addClass('notice notice-success')
.html('<p>' + response.data.message + '</p>')
.show();
} else {
$message
.removeClass('notice-success notice-warning')
.addClass('notice notice-error')
.html('<p>' + (response.data.message || 'Connection test failed.') + '</p>')
.show();
}
},
error: function() {
$spinner.removeClass('is-active');
$message
.removeClass('notice-success notice-warning')
.addClass('notice notice-error')
.html('<p>Connection error. Please try again.</p>')
.show();
}
});
}
})(jQuery);