Improve general docs

.gitignore

@@ -186,4 +186,5 @@ poetry.toml
 # End of https://www.toptal.com/developers/gitignore/api/python,ansible,vagrant
 
 extra-vars.json
-inventory*
+/inventory*
+/vars.json

examples/dedicated-nodes/README.md

@@ -0,0 +1,7 @@
+This example portraits a configuration where all nodes are deployed on different machines. In this deployment:
+ - `vitellone` is the hostname where `trento-server` gets deployed
+ - `vitellone-pg` is where `postgres` gets deployed
+ - `vitellone-mq` is where `rabbitmq` gets deployed
+ - `vitellone-metrics` is where `prometheus` gets deployed
+
+Agent nodes are *not* deployed with this configuration.

examples/dedicated-nodes/inventory.yml

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+all:
+  children:
+    trento-server:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    postgres-hosts:
+      hosts:
+        vitellone-pg:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    rabbitmq-hosts:
+      hosts:
+        vitellone-mq:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    prometheus-hosts:
+      hosts:
+        vitellone-metrics:
+          ansible_host: "your-host"
+          ansible_user: "your-user"

examples/dedicated-nodes/vars.json

@@ -0,0 +1,11 @@
+{
+    "web_postgres_host": "vitellone-pg",
+    "wanda_postgres_host": "vitellone-pg",
+    "rabbitmq_host": "vitellone-mq:5671",
+    "web_postgres_password": "pass",
+    "wanda_postgres_password": "wanda",
+    "rabbitmq_password": "trento",
+    "prometheus_url": "http://localhost:9090",
+    "web_admin_password": "adminpassword",
+    "trento_server_name": "yourserver.com"
+}

examples/external-services/README.md

@@ -0,0 +1,3 @@
+This example portraits a configuration where only `trento-server` is deployed, while the configuration points to external services outside of the 
+scope of this playbook. In this deployment:
+ - `vitellone` is the hostname where `trento-server` gets deployed

examples/external-services/inventory.yml

@@ -0,0 +1,7 @@
+all:
+  children:
+    trento-server:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"

examples/external-services/vars.json

@@ -0,0 +1,16 @@
+{
+    "web_postgres_password": "trentoansible1",
+    "wanda_postgres_password": "trentoansible1",
+    "web_postgres_host": "yourexternalpg.com",
+    "wanda_postgres_host": "yourexternalpg.com",
+    "rabbitmq_host": "yourexternalrabbit.com:5671",
+    "rabbitmq_password": "trentoansible1",
+    "web_postgres_user": "postgres",
+    "wanda_postgres_user": "postgres",
+    "rabbitmq_username": "trentoansible",
+    "prometheus_url": "http://localhost:9090",
+    "web_admin_password": "adminpassword",
+    "trento_server_name": "your-servername.com",
+    "nginx_ssl_cert": "-----BEGIN CERTIFICATE-----\nMIIEKTCCAxGgAwIBAgIUbIzbLpJrkKk8vs1oLzFDpPL...",
+    "nginx_ssl_key": "-----BEGIN CERTIFICATE-----\nMIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQDNdvcVnqJAY32h..."
+}

examples/install-agents/README.md

@@ -0,0 +1,5 @@
+This example portraits the deployment of some agent nodes. In this deployment:
+ - hana01: Agent deployment
+ - hana02: Agent deployment
+
+In order to use this deployment, first install a `trento-server` instance to obtain an API key and set it in the `vars.json`. Nothing else is deployed.

examples/install-agents/inventory.yml

@@ -0,0 +1,9 @@
+all:
+  children:
+    agents:
+      hana01:
+        ansible_host: "your-hana01-host"
+        ansible_user: root
+      hana02:
+        ansible_host: "your-hana02-host"
+        ansible_user: root

examples/install-agents/vars.json

@@ -0,0 +1,5 @@
+{
+    "trento_server_url:": "http://localhost",
+    "rabbitmq_host": "localhost",
+    "trento_api_key": "api-key-obtained-from-server"
+}

examples/single-node/README.md

@@ -0,0 +1,9 @@
+This example portraits a single-node configuration, where all nodes are deployed on the same machine. In this deployment:
+ - `vitellone` is the hostname where `trento-server` gets deployed
+
+Agent nodes are *not* deployed with this configuration.
+
+Two variants are available:
+ - vars-with-alerting.json: In this example, we set up alerting and set the SMTP configuration. With this, important alerts should arrive at the
+   provided email.
+ - vars.json: No alerting enabled.

examples/single-node/inventory.yml

@@ -0,0 +1,22 @@
+all:
+  children:
+    trento-server:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    postgres-hosts:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    rabbitmq-hosts:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"
+    prometheus-hosts:
+      hosts:
+        vitellone:
+          ansible_host: "your-host"
+          ansible_user: "your-user"

examples/single-node/vars-with-alerting.json

@@ -0,0 +1,15 @@
+{
+    "web_postgres_password": "pass",
+    "wanda_postgres_password": "wanda",
+    "rabbitmq_password": "trento",
+    "prometheus_url": "http://localhost:9090",
+    "web_admin_password": "adminpassword",
+    "trento_server_name": "your-server-name",
+    "enable_alerting": "true",
+    "alert_sender": "alert-sender-mail",
+    "alert_recipient": "alert-receiver-mail",
+    "smtp_server": "smtp-server-adress",
+    "smtp_port": "smpt-port",
+    "smtp_user": "smtp-user",
+    "smtp_password": "smtp-password"
+}

examples/single-node/vars.json

@@ -0,0 +1,8 @@
+{
+    "web_postgres_password": "pass",
+    "wanda_postgres_password": "wanda",
+    "rabbitmq_password": "trento",
+    "prometheus_url": "http://localhost:9090",
+    "web_admin_password": "adminpassword",
+    "trento_server_name": "your-server-name"
+}