addressing PR comments

Author: cauemarcondes

x-pack/plugins/apm/public/components/app/Settings/AgentConfigurations/index.tsx

@@ -3,6 +3,7 @@
  * or more contributor license agreements. Licensed under the Elastic License;
  * you may not use this file except in compliance with the Elastic License.
  */
+import { EuiToolTip } from '@elastic/eui';
 import {
   EuiButton,
   EuiFlexGroup,
@@ -78,17 +79,30 @@ function CreateConfigurationButton() {
     <EuiFlexItem>
       <EuiFlexGroup alignItems="center" justifyContent="flexEnd">
         <EuiFlexItem grow={false}>
-          <EuiButton
-            color="primary"
-            fill
-            iconType="plusInCircle"
-            href={href}
-            isDisabled={!canSave}
+          <EuiToolTip
+            content={
+              !canSave &&
+              i18n.translate(
+                'xpack.apm.agentConfig.configurationsPanelTitle.noPermissionTooltipLabel',
+                {
+                  defaultMessage:
+                    "Your user role doesn't have permissions to create agent configurations",
+                }
+              )
+            }
           >
-            {i18n.translate('xpack.apm.agentConfig.createConfigButtonLabel', {
-              defaultMessage: 'Create configuration',
-            })}
-          </EuiButton>
+            <EuiButton
+              color="primary"
+              fill
+              iconType="plusInCircle"
+              href={href}
+              isDisabled={!canSave}
+            >
+              {i18n.translate('xpack.apm.agentConfig.createConfigButtonLabel', {
+                defaultMessage: 'Create configuration',
+              })}
+            </EuiButton>
+          </EuiToolTip>
         </EuiFlexItem>
       </EuiFlexGroup>
     </EuiFlexItem>

x-pack/plugins/apm/public/components/app/Settings/CustomizeUI/CustomLink/CreateCustomLinkButton.tsx

@@ -3,27 +3,40 @@
  * or more contributor license agreements. Licensed under the Elastic License;
  * you may not use this file except in compliance with the Elastic License.
  */
-import React from 'react';
-import { EuiButton } from '@elastic/eui';
+import { EuiButton, EuiToolTip } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
+import React from 'react';
 import { useApmPluginContext } from '../../../../../context/apm_plugin/use_apm_plugin_context';
 
 export function CreateCustomLinkButton({ onClick }: { onClick: () => void }) {
   const { core } = useApmPluginContext();
   const canSave = core.application.capabilities.apm.save;
   return (
-    <EuiButton
-      color="primary"
-      fill
-      iconType="plusInCircle"
-      onClick={onClick}
-      isDisabled={!canSave}
-      data-test-subj="createButton"
+    <EuiToolTip
+      content={
+        !canSave &&
+        i18n.translate(
+          'xpack.apm.settings.customizeUI.customLink.noPermissionTooltipLabel',
+          {
+            defaultMessage:
+              "Your user role doesn't have permissions to create custom links",
+          }
+        )
+      }
     >
-      {i18n.translate(
-        'xpack.apm.settings.customizeUI.customLink.createCustomLink',
-        { defaultMessage: 'Create custom link' }
-      )}
-    </EuiButton>
+      <EuiButton
+        color="primary"
+        fill
+        iconType="plusInCircle"
+        onClick={onClick}
+        isDisabled={!canSave}
+        data-test-subj="createButton"
+      >
+        {i18n.translate(
+          'xpack.apm.settings.customizeUI.customLink.createCustomLink',
+          { defaultMessage: 'Create custom link' }
+        )}
+      </EuiButton>
+    </EuiToolTip>
   );
 }

x-pack/plugins/apm/server/routes/settings/custom_link.ts

@@ -64,7 +64,7 @@ export const createCustomLinkRoute = createRoute({
   params: t.type({
     body: payloadRt,
   }),
-  options: { tags: ['access:apm'] },
+  options: { tags: ['access:apm', 'access:apm_write'] },
   handler: async ({ context, request }) => {
     if (!isActiveGoldLicense(context.licensing.license)) {
       throw Boom.forbidden(INVALID_LICENSE);