Add Consul Template

templates/consul/0/README.md

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+# Consul Cluster
+
+
+### Info:
+
+ This template creates 3 Consul nodes that uses RPC encryption with TLS and gossip encryption to secure connection between consul cluster nodes, configuration is generated with confd from Rancher metadata. 
+ TLS is used to verify the authenticity of the servers and the clients using the verify_incoming and verify_outgoing options.
+
+ The variables used in this template include:
+
+- Certificates and keys for Consul nodes.
+- CA certificate.
+- 16-bytes, Base64 encoded gossip encryption key.
+ 
+
+The templates uses two Docker images one as the main image and the other one is the sidekick:
+
+- [consul](https://github.com/galal-hussein/consul-rancher).
+- [consul-config](https://github.com/galal-hussein/consul-config).
+ 
+### Usage:
+ 
+ Select Consul from catalog.
+
+ Enter the certificates and keys for consul nodes, ca certificates, and the encryption key.
+
+ Click deploy.
+ 
+ The consul nodes will be bound to the Rancher managed network IPs.

templates/consul/0/docker-compose.yml

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+consul-conf:
+  image: husseingalal/consul-config
+  labels:
+    io.rancher.container.hostname_override: container_name
+  volumes_from:
+    - consul
+  net: "container:consul"
+consul:
+  image: husseingalal/consul
+  labels:
+    io.rancher.sidekicks: consul-conf
+  volumes:
+    - /opt/rancher/ssl
+    - /opt/rancher/config
+    - /var/consul

templates/consul/0/rancher-compose.yml

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+.catalog:
+  name: "Consul"
+  description: "Secure Consul cluster"
+  version: "0.6-rancher1"
+  uuid: consul-0
+  questions:
+    - variable: ca_crt
+      label: "CA certificate"
+      type: "multiline"
+      required: true
+    - variable: consul1_key
+      label: "First consul key"
+      type: "multiline"
+      required: true
+    - variable: consul1_crt
+      label: "First consul certificate"
+      type: "multiline"
+      required: true
+    - variable: consul2_key
+      label: "Second consul key"
+      type: "multiline"
+      required: true
+    - variable: consul2_crt
+      label: "Second consul certificate"
+      type: "multiline"
+      required: true
+    - variable: consul3_key
+      label: "Third consul key"
+      type: "multiline"
+      required: true
+    - variable: consul3_crt
+      label: "Third consul certificate"
+      type: "multiline"
+      required: true
+    - variable: gossip_key
+      label: "Communication gossip key"
+      type: "multiline"
+      required: true
+consul:
+  scale: 3
+  metadata:
+    ca.crt: |
+            ${ca_crt}
+    consul1.crt: |
+            ${consul1_crt}
+    consul1.key: |
+            ${consul1_key}
+    consul2.crt: |
+            ${consul2_crt}
+    consul2.key: |
+            ${consul2_key}
+    consul3.crt: |
+            ${consul3_crt}
+    consul3.key: |
+            ${consul3_key}
+    enc.key: "${gossip_key}"

templates/consul/config.yml

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+name: Consul Cluster
+description: |
+  Consul cluster
+version: 0.6-rancher1
+category: Clustering