[Logs Onboarding] Adds install shipper step for custom logs

packages/kbn-check-mappings-update-cli/current_mappings.json

@@ -2097,6 +2097,18 @@
       }
     }
   },
+  "observability-onboarding-state": {
+    "properties": {
+      "state": {
+        "type": "object",
+        "dynamic": false
+      },
+      "progress": {
+        "type": "object",
+        "dynamic": false
+      }
+    }
+  },
   "ml-job": {
     "properties": {
       "job_id": {

src/core/server/integration_tests/saved_objects/migrations/group2/check_registered_types.test.ts

@@ -119,6 +119,7 @@ describe('checking migration metadata changes on all registered SO types', () =>
         "ml-module": "2225cbb4bd508ea5f69db4b848be9d8a74b60198",
         "ml-trained-model": "482195cefd6b04920e539d34d7356d22cb68e4f3",
         "monitoring-telemetry": "5d91bf75787d9d4dd2fae954d0b3f76d33d2e559",
+        "observability-onboarding-state": "c2a7439293913d69cc286a8f8f9885bc2dd9682f",
         "osquery-manager-usage-metric": "983bcbc3b7dda0aad29b20907db233abba709bcc",
         "osquery-pack": "6ab4358ca4304a12dcfc1777c8135b75cffb4397",
         "osquery-pack-asset": "b14101d3172c4b60eb5404696881ce5275c84152",

src/core/server/integration_tests/saved_objects/migrations/group3/dot_kibana_split.test.ts

@@ -233,6 +233,7 @@ describe('split .kibana index into multiple system indices', () => {
             "ml-module",
             "ml-trained-model",
             "monitoring-telemetry",
+            "observability-onboarding-state",
             "osquery-manager-usage-metric",
             "osquery-pack",
             "osquery-pack-asset",

src/core/server/integration_tests/saved_objects/migrations/group3/type_registrations.test.ts

@@ -89,6 +89,7 @@ const previouslyRegisteredTypes = [
   'ml-module',
   'ml-telemetry',
   'monitoring-telemetry',
+  'observability-onboarding-state',
   'osquery-pack',
   'osquery-pack-asset',
   'osquery-saved-query',

x-pack/plugins/observability_onboarding/public/assets/standalone_agent_setup.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+API_KEY_ENCODED=$1
+API_ENDPOINT=$2
+
+updateStepProgress() {
+  echo "  GET $API_ENDPOINT/step/$1?status=$2"
+  curl --request GET \
+    --url "$API_ENDPOINT/step/$1?status=$2 2023-05-24" \
+    --header "Authorization: ApiKey $API_KEY_ENCODED" \
+    --header "Content-Type: application/json" \
+    --header "kbn-xsrf: true"
+  echo ""
+}
+
+echo "Downloading Elastic Agent"
+# https://www.elastic.co/guide/en/fleet/8.7/install-standalone-elastic-agent.html
+curl -L -O https://artifacts.elastic.co/downloads/beats/elastic-agent/elastic-agent-8.7.1-linux-x86_64.tar.gz
+updateStepProgress "ea-download" "success"
+echo "Extracting Elastic Agent"
+tar xzvf elastic-agent-8.7.1-linux-x86_64.tar.gz
+updateStepProgress "ea-extract" "success"
+echo "Installing Elastic Agent"
+cd elastic-agent-8.7.1-linux-x86_64
+./elastic-agent install -f
+updateStepProgress "ea-install" "success"
+echo "Sending status to Kibana..."
+updateStepProgress "ea-status" "active"