feat: add vmcluster module (#363)

- manage vmstorage package, service and environment file
- manage vmselect package, service and environment file
- manage vminsert package, service and environment file
- manage vmagent package, service and environment file
- manage options for vmstorage, vmselect, vminsert, vmagent role

Reviewed-on: #363

hieradata/roles/infra/metrics/vmagent.yaml

@@ -1,4 +1,57 @@
 ---
-profiles::packages::include:
-  vmagent: {}
-  vmutils: {}
+hiera_include:
+  - vmcluster::vmagent
+
+vmcluster::vmagent::enable: true
+vmcluster::vmagent::options:
+  tls: 'true'
+  tlsCertFile: '/etc/pki/tls/vault/certificate.crt'
+  tlsKeyFile: '/etc/pki/tls/vault/private.key'
+  tlsMinVersion: 'TLS12'
+  remoteWrite.url:
+    - https://vminsert.service.consul:8480/insert/0/prometheus
+
+  remoteWrite.tlsCertFile: '/etc/pki/tls/vault/certificate.crt'
+  remoteWrite.tlsKeyFile: '/etc/pki/tls/vault/private.key'
+  remoteWrite.tlsCAFile: '/etc/pki/tls/certs/ca-bundle.crt'
+  promscrape.config: '/etc/vmagent/scrape.yaml'
+  memory.allowedBytes: '1GiB'
+  envflag.enable: 'true'
+
+# additional altnames
+profiles::pki::vault::alt_names:
+  - vmagent.main.unkin.net
+  - vmagent.service.consul
+  - vmagent.query.consul
+  - "vmagent.service.%{facts.country}-%{facts.region}.consul"
+
+consul::services:
+  vmagent:
+    service_name: 'vmagent'
+    tags:
+      - 'metrics'
+      - 'metrics_scheme=https'
+      - 'metrics_job=vmagent'
+    address: "%{facts.networking.ip}"
+    port: 8429
+    checks:
+      - id: 'vmagent_http_check'
+        name: 'vmagent HTTP Check'
+        http: "https://%{facts.networking.fqdn}:8429/health"
+        method: 'GET'
+        tls_skip_verify: true
+        interval: '10s'
+        timeout: '1s'
+profiles::consul::client::node_rules:
+  - resource: service
+    segment: vmagent
+    disposition: write
+  - resource: agent_prefix
+    segment: ''
+    disposition: read
+  - resource: node_prefix
+    segment: ''
+    disposition: read
+  - resource: service_prefix
+    segment: ''
+    disposition: read