[Fleet APM Integration] static Java agent version list becomes stale quickly

x-pack/plugins/apm/public/components/fleet_integration/apm_agents/runtime_attachment/index.tsx

@@ -5,13 +5,8 @@
  * 2.0.
  */
 
-import {
-  htmlIdGenerator,
-  euiDragDropReorder,
-  DropResult,
-  EuiComboBoxOptionOption,
-} from '@elastic/eui';
-import React, { useState, useCallback, ReactNode } from 'react';
+import { htmlIdGenerator, euiDragDropReorder, DropResult } from '@elastic/eui';
+import React, { useState, useCallback, ReactNode, useEffect } from 'react';
 import { RuntimeAttachment as RuntimeAttachmentStateless } from './runtime_attachment';
 
 export const STAGED_DISCOVERY_RULE_ID = 'STAGED_DISCOVERY_RULE_ID';
@@ -42,8 +37,8 @@ interface Props {
   initialIsEnabled?: boolean;
   initialDiscoveryRules?: IDiscoveryRule[];
   operationTypes: Operation[];
-  selectedVersion: string;
-  versions: string[];
+  version: RuntimeAttachmentSettings['version'];
+  invalidatePackagePolicy: () => void;
 }
 
 interface Option {
@@ -58,8 +53,11 @@ export interface Operation {
 }
 
 const versionRegex = new RegExp(/^\d+\.\d+\.\d+$/);
-function validateVersion(version: string) {
-  return versionRegex.test(version);
+export function validateVersion(version: RuntimeAttachmentSettings['version']) {
+  if (version) {
+    return versionRegex.test(version);
+  }
+  return false;
 }
 
 export function RuntimeAttachment(props: Props) {
@@ -75,10 +73,24 @@ export function RuntimeAttachment(props: Props) {
   const [editDiscoveryRuleId, setEditDiscoveryRuleId] = useState<null | string>(
     null
   );
-  const [version, setVersion] = useState(props.selectedVersion);
-  const [versions, setVersions] = useState(props.versions);
+  const [version, setVersion] = useState<RuntimeAttachmentSettings['version']>(
+    props.version
+  );
   const [isValidVersion, setIsValidVersion] = useState(
-    validateVersion(version)
+    validateVersion(props.version)
+  );
+
+  useEffect(
+    () => {
+      // Invalidates the package policy, so save button is disabled
+      // until a valid version is provided
+      if (isEnabled && !isValidVersion) {
+        props.invalidatePackagePolicy();
+      }
+    },
+    // props shouldn't be listed as dependency here
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+    [isEnabled, isValidVersion]
   );
 
   const onToggleEnable = useCallback(() => {
@@ -250,11 +262,14 @@ export function RuntimeAttachment(props: Props) {
     [isEnabled, discoveryRuleList, onChange, version]
   );
 
-  function onChangeVersion(nextVersion?: string) {
-    if (!nextVersion) {
+  function onChangeVersion(nextVersion: RuntimeAttachmentSettings['version']) {
+    const isNextVersionValid = validateVersion(nextVersion);
+    setIsValidVersion(isNextVersionValid);
+    setVersion(nextVersion);
+
+    if (!isNextVersionValid) {
       return;
     }
-    setVersion(nextVersion);
     onChange({
       enabled: isEnabled,
       discoveryRules: isEnabled
@@ -264,29 +279,6 @@ export function RuntimeAttachment(props: Props) {
     });
   }
 
-  function onCreateNewVersion(
-    newVersion: string,
-    flattenedOptions: Array<EuiComboBoxOptionOption<string>>
-  ) {
-    const normalizedNewVersion = newVersion.trim().toLowerCase();
-    const isNextVersionValid = validateVersion(normalizedNewVersion);
-    setIsValidVersion(isNextVersionValid);
-    if (!normalizedNewVersion || !isNextVersionValid) {
-      return;
-    }
-
-    // Create the option if it doesn't exist.
-    if (
-      flattenedOptions.findIndex(
-        (option) => option.label.trim().toLowerCase() === normalizedNewVersion
-      ) === -1
-    ) {
-      setVersions([...versions, newVersion]);
-    }
-
-    onChangeVersion(newVersion);
-  }
-
   return (
     <RuntimeAttachmentStateless
       isEnabled={isEnabled}
@@ -310,15 +302,8 @@ export function RuntimeAttachment(props: Props) {
       discoveryRulesDescription={props.discoveryRulesDescription}
       showUnsavedWarning={props.showUnsavedWarning}
       onDragEnd={onDragEnd}
-      selectedVersion={version}
-      versions={versions}
-      onChangeVersion={(selectedVersions) => {
-        const nextVersion: string | undefined = selectedVersions[0]?.label;
-        const isNextVersionValid = validateVersion(nextVersion);
-        setIsValidVersion(isNextVersionValid);
-        onChangeVersion(nextVersion);
-      }}
-      onCreateNewVersion={onCreateNewVersion}
+      version={version}
+      onChangeVersion={onChangeVersion}
       isValidVersion={isValidVersion}
     />
   );

x-pack/plugins/apm/public/components/fleet_integration/apm_agents/runtime_attachment/runtime_attachment.stories.tsx

@@ -32,12 +32,11 @@ const excludeOptions = [
 ];
 const includeOptions = [{ value: 'all', label: 'All' }, ...excludeOptions];
 
-const versions = ['1.27.1', '1.27.0', '1.26.0', '1.25.0'];
-
 export const RuntimeAttachmentExample: Story = () => {
   const [runtimeAttachmentSettings, setRuntimeAttachmentSettings] = useState(
     {}
   );
+  const [isEnabled, setIsEnabled] = useState(true);
   return (
     <>
       <RuntimeAttachment
@@ -57,7 +56,7 @@ export const RuntimeAttachmentExample: Story = () => {
         toggleDescription="Attach the Java agent to running and starting Java applications."
         discoveryRulesDescription="For every running JVM, the discovery rules are evaluated in the order they are provided. The first matching rule determines the outcome. Learn more in the docs"
         showUnsavedWarning={true}
-        initialIsEnabled={true}
+        initialIsEnabled={isEnabled}
         initialDiscoveryRules={[
           {
             operation: 'include',
@@ -70,8 +69,10 @@ export const RuntimeAttachmentExample: Story = () => {
             probe: '10948653898867',
           },
         ]}
-        versions={versions}
-        selectedVersion={versions[0]}
+        version={null}
+        invalidatePackagePolicy={() => {
+          setIsEnabled(false);
+        }}
       />
       <hr />
       <pre>{JSON.stringify(runtimeAttachmentSettings, null, 4)}</pre>

x-pack/plugins/apm/public/components/fleet_integration/apm_agents/runtime_attachment/runtime_attachment.tsx

@@ -18,16 +18,19 @@ import {
   EuiDraggable,
   EuiIcon,
   DropResult,
-  EuiComboBox,
-  EuiComboBoxProps,
   EuiFormRow,
+  EuiFieldText,
+  EuiLink,
 } from '@elastic/eui';
 import React, { ReactNode } from 'react';
 import { i18n } from '@kbn/i18n';
+import { isEmpty } from 'lodash';
+import { FormattedMessage } from '@kbn/i18n-react';
+import { useKibana } from '@kbn/kibana-react-plugin/public';
 import { DiscoveryRule } from './discovery_rule';
 import { DefaultDiscoveryRule } from './default_discovery_rule';
 import { EditDiscoveryRule } from './edit_discovery_rule';
-import { IDiscoveryRuleList, Operation } from '.';
+import { IDiscoveryRuleList, Operation, RuntimeAttachmentSettings } from '.';
 
 interface Props {
   isEnabled: boolean;
@@ -51,10 +54,8 @@ interface Props {
   discoveryRulesDescription: ReactNode;
   showUnsavedWarning?: boolean;
   onDragEnd: (dropResult: DropResult) => void;
-  selectedVersion: string;
-  versions: string[];
-  onChangeVersion: EuiComboBoxProps<string>['onChange'];
-  onCreateNewVersion: EuiComboBoxProps<string>['onCreateOption'];
+  version: RuntimeAttachmentSettings['version'];
+  onChangeVersion: (nextVersion: RuntimeAttachmentSettings['version']) => void;
   isValidVersion: boolean;
 }
 
@@ -80,12 +81,13 @@ export function RuntimeAttachment({
   discoveryRulesDescription,
   showUnsavedWarning,
   onDragEnd,
-  selectedVersion,
-  versions,
+  version,
   onChangeVersion,
-  onCreateNewVersion,
   isValidVersion,
 }: Props) {
+  const {
+    services: { docLinks },
+  } = useKibana();
   return (
     <div>
       {showUnsavedWarning && (
@@ -120,7 +122,7 @@ export function RuntimeAttachment({
             <p>{toggleDescription}</p>
           </EuiText>
         </EuiFlexItem>
-        {isEnabled && versions && (
+        {isEnabled && (
           <EuiFlexItem>
             <EuiFormRow
               label={i18n.translate(
@@ -132,18 +134,36 @@ export function RuntimeAttachment({
                 'xpack.apm.fleetIntegration.apmAgent.runtimeAttachment.version.invalid',
                 { defaultMessage: 'Invalid version' }
               )}
+              helpText={
+                <FormattedMessage
+                  id="xpack.apm.fleetIntegration.apmAgent.runtimeAttachment.version.helpText"
+                  defaultMessage="Enter the {versionLink} of the Elastic APM Java agent that should be attached."
+                  values={{
+                    versionLink: (
+                      <EuiLink
+                        href={`${docLinks?.ELASTIC_WEBSITE_URL}/guide/en/apm/agent/java/current/release-notes.html`}
+                        target="_blank"
+                      >
+                        {i18n.translate(
+                          'xpack.apm.fleetIntegration.apmAgent.runtimeAttachment.version.helpText.version',
+                          { defaultMessage: 'version' }
+                        )}
+                      </EuiLink>
+                    ),
+                  }}
+                />
+              }
             >
-              <EuiComboBox
-                selectedOptions={[{ label: selectedVersion }]}
+              <EuiFieldText
+                value={version || ''}
+                onChange={(e) => {
+                  const nextVersion = e.target.value;
+                  onChangeVersion(isEmpty(nextVersion) ? null : nextVersion);
+                }}
                 placeholder={i18n.translate(
                   'xpack.apm.fleetIntegration.apmAgent.runtimeAttachment.version.placeHolder',
-                  { defaultMessage: 'Select or add a version' }
+                  { defaultMessage: 'Add a version' }
                 )}
-                options={versions.map((_version) => ({ label: _version }))}
-                onChange={onChangeVersion}
-                onCreateOption={onCreateNewVersion}
-                singleSelection
-                isClearable={false}
               />
             </EuiFormRow>
           </EuiFlexItem>

x-pack/plugins/apm/public/components/fleet_integration/apm_agents/runtime_attachment/supported_agents/java_runtime_attachment.tsx

@@ -13,6 +13,7 @@ import {
   RuntimeAttachment,
   RuntimeAttachmentSettings,
   IDiscoveryRule,
+  validateVersion,
 } from '..';
 import type {
   NewPackagePolicy,
@@ -85,39 +86,6 @@ const includeOptions = [
   ...excludeOptions,
 ];
 
-const versions = [
-  '1.27.1',
-  '1.27.0',
-  '1.26.0',
-  '1.25.0',
-  '1.24.0',
-  '1.23.0',
-  '1.22.0',
-  '1.21.0',
-  '1.20.0',
-  '1.19.0',
-  '1.18.1',
-  '1.18.0',
-  '1.18.0.RC1',
-  '1.17.0',
-  '1.16.0',
-  '1.15.0',
-  '1.14.0',
-  '1.13.0',
-  '1.12.0',
-  '1.11.0',
-  '1.10.0',
-  '1.9.0',
-  '1.8.0',
-  '1.7.0',
-  '1.6.1',
-  '1.6.0',
-  '1.5.0',
-  '1.4.0',
-  '1.3.0',
-  '1.2.0',
-];
-
 function getApmVars(newPolicy: NewPackagePolicy) {
   return newPolicy.inputs.find(({ type }) => type === 'apm')?.vars;
 }
@@ -130,7 +98,7 @@ export function JavaRuntimeAttachment({ newPolicy, onChange }: Props) {
         ({ type }) => type === 'apm'
       );
       onChange({
-        isValid: true,
+        isValid: validateVersion(runtimeAttachmentSettings.version),
         updatedPolicy: {
           ...newPolicy,
           inputs: [
@@ -164,6 +132,10 @@ export function JavaRuntimeAttachment({ newPolicy, onChange }: Props) {
     [newPolicy, onChange]
   );
 
+  function invalidatePackagePolicy() {
+    onChange({ isValid: false, updatedPolicy: newPolicy });
+  }
+
   const apmVars = useMemo(() => getApmVars(newPolicy), [newPolicy]);
 
   return (
@@ -223,10 +195,8 @@ export function JavaRuntimeAttachment({ newPolicy, onChange }: Props) {
         apmVars?.java_attacher_discovery_rules?.value ?? '[]\n',
         [initialDiscoveryRule]
       )}
-      selectedVersion={
-        apmVars?.java_attacher_agent_version?.value || versions[0]
-      }
-      versions={versions}
+      version={apmVars?.java_attacher_agent_version?.value || null}
+      invalidatePackagePolicy={invalidatePackagePolicy}
     />
   );
 }