[prometheus_input] Add missing SSL fields to sync it with the Prometheus package (#14503)

Author: devamanv

packages/prometheus_input/agent/input/input.yml.hbs

@@ -16,11 +16,11 @@ metrics_filters.include:
 {{#each metrics_filters.include}}
   - {{this}}
 {{/each}}
-{{#if ssl.certificate_authorities}}
-ssl.certificate_authorities:
-{{#each ssl.certificate_authorities}}
-  - {{this}}
-{{/each}}
+{{#if bearer_token_file}}
+bearer_token_file: {{bearer_token_file}}
+{{/if}}
+{{#if ssl}}
+ssl: {{ssl}}
 {{/if}}
 data_stream:
   dataset: {{data_stream.dataset}}

packages/prometheus_input/changelog.yml

@@ -1,4 +1,9 @@
 # newer versions go on top
+- version: "0.9.0"
+  changes:
+    - description: Add SSL configuration options.
+      type: enhancement
+      link: https://github.com/elastic/integrations/pull/14503
 - version: "0.8.0"
   changes:
     - description: Add support for defining Leader Election and Conditions

packages/prometheus_input/manifest.yml

@@ -1,7 +1,7 @@
 format_version: "3.0.2"
 name: prometheus_input
 title: "Prometheus Input"
-version: "0.8.0"
+version: "0.9.0"
 description: "Collects metrics from Prometheus exporter."
 type: input
 categories:
@@ -70,11 +70,37 @@ policy_templates:
         required: false
         show_user: false
         default: []
-      - name: ssl.certificate_authorities
-        type: text
-        title: SSL Certificate Authorities
-        description: SSL Certificate Authorities. See [documentation](https://www.elastic.co/guide/en/beats/metricbeat/current/configuration-ssl.html#client-certificate-authorities) for details.
-        multi: true
+      - name: ssl
+        type: yaml
+        title: SSL Configuration
+        default: |
+          # certificate_authorities: |
+          #   -----BEGIN CERTIFICATE-----
+          #   MIID+jCCAuKgAwIBAgIGAJJMzlxLMA0GCSqGSIb3DQEBCwUAMHoxCzAJBgNVBAYT
+          #   AlVTMQwwCgYDVQQKEwNJQk0xFjAUBgNVBAsTDURlZmF1bHROb2RlMDExFjAUBgNV
+          #   BAsTDURlZmF1bHRDZWxsMDExGTAXBgNVBAsTEFJvb3QgQ2VydGlmaWNhdGUxEjAQ
+          #   BgNVBAMTCWxvY2FsaG9zdDAeFw0yMTEyMTQyMjA3MTZaFw0yMjEyMTQyMjA3MTZa
+          #   MF8xCzAJBgNVBAYTAlVTMQwwCgYDVQQKEwNJQk0xFjAUBgNVBAsTDURlZmF1bHRO
+          #   b2RlMDExFjAUBgNVBAsTDURlZmF1bHRDZWxsMDExEjAQBgNVBAMTCWxvY2FsaG9z
+          #   dDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMv5HCsJZIpI5zCy+jXV
+          #   z6lmzNc9UcVSEEHn86h6zT6pxuY90TYeAhlZ9hZ+SCKn4OQ4GoDRZhLPTkYDt+wW
+          #   CV3NTIy9uCGUSJ6xjCKoxClJmgSQdg5m4HzwfY4ofoEZ5iZQ0Zmt62jGRWc0zuxj
+          #   hegnM+eO2reBJYu6Ypa9RPJdYJsmn1RNnC74IDY8Y95qn+WZj//UALCpYfX41hko
+          #   i7TWD9GKQO8SBmAxhjCDifOxVBokoxYrNdzESl0LXvnzEadeZTd9BfUtTaBHhx6t
+          #   njqqCPrbTY+3jAbZFd4RiERPnhLVKMytw5ot506BhPrUtpr2lusbN5svNXjuLeea
+          #   MMUCAwEAAaOBoDCBnTATBgNVHSMEDDAKgAhOatpLwvJFqjAdBgNVHSUEFjAUBggr
+          #   BgEFBQcDAQYIKwYBBQUHAwIwVAYDVR0RBE0wS4E+UHJvZmlsZVVVSUQ6QXBwU3J2
+          #   MDEtQkFTRS05MDkzMzJjMC1iNmFiLTQ2OTMtYWI5NC01Mjc1ZDI1MmFmNDiCCWxv
+          #   Y2FsaG9zdDARBgNVHQ4ECgQITzqhA5sO8O4wDQYJKoZIhvcNAQELBQADggEBAKR0
+          #   gY/BM69S6BDyWp5dxcpmZ9FS783FBbdUXjVtTkQno+oYURDrhCdsfTLYtqUlP4J4
+          #   CHoskP+MwJjRIoKhPVQMv14Q4VC2J9coYXnePhFjE+6MaZbTjq9WaekGrpKkMaQA
+          #   iQt5b67jo7y63CZKIo9yBvs7sxODQzDn3wZwyux2vPegXSaTHR/rop/s/mPk3YTS
+          #   hQprs/IVtPoWU4/TsDN3gIlrAYGbcs29CAt5q9MfzkMmKsuDkTZD0ry42VjxjAmk
+          #   xw23l/k8RoD1wRWaDVbgpjwSzt+kl+vJE/ip2w3h69eEZ9wbo6scRO5lCO2JM4Pr
+          #   7RhLQyWn2u00L7/9Omw=
+          #   -----END CERTIFICATE-----
+        description: i.e. certificate_authorities, supported_protocols, verification_mode, key, passphrase etc.
+        multi: false
         required: false
         show_user: false
       - name: username
@@ -113,6 +139,14 @@ policy_templates:
         multi: false
         required: false
         show_user: true
+      - name: bearer_token_file
+        type: text
+        title: 'HTTP config options: bearer_token_file'
+        description: If defined, the contents of the file will be read once at initialization and then the value will be used in an HTTP Authorization header.
+        multi: false
+        secret: false
+        required: false
+        show_user: false  
       - name: processors
         type: yaml
         title: Processors