Reorganized templates from shell to erb (#1)

* Added YML templates instead of bash * Added render-manifest command * tfstate parser
openware · Aug 28, 2017 · bb9642c · bb9642c
1 parent 26da09a
commit bb9642c
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Showing 5 changed files with 57 additions and 101 deletions.
diff --git a/lib/kite/core.rb b/lib/kite/core.rb
@@ -22,10 +22,6 @@ def generate()
 
       case options[:cloud]
       when "aws"
-        copy_file("aws/bin/make_cloud_config.sh",                 "bin/make_cloud_config.sh")
-        copy_file("aws/bin/make_manifest_bosh-init.sh",           "bin/make_manifest_bosh-init.sh")
-        copy_file("aws/bin/make_manifest_concourse-cluster.sh",   "bin/make_manifest_concourse-cluster.sh")
-
         copy_file("aws/terraform/aws-concourse.tf",               "terraform/aws-concourse.tf")
         copy_file("aws/terraform/aws-vault.tf",                   "terraform/aws-vault.tf")
         copy_file("aws/terraform/bosh-aws-base.tf",               "terraform/bosh-aws-base.tf")
@@ -52,5 +48,25 @@ def generate()
 
       end
     end
+
+    method_option :manifest, type: :string, desc: "Manifest type", enum: %w{bosh concourse}, required: true
+    desc "render-manifest", "Render manifest file from configuration and Terraform output"
+    def render_manifest
+      say "Rendering #{ options[:manifest] } manifest", :green
+      @values = YAML.load(File.read('config/cloud.yml'))
+      @tf_output = parse_tf_state('terraform/terraform.tfstate')
+
+      case options[:manifest]
+      when "bosh"
+        template("aws/bosh/bosh_director.yml.erb",    "bosh_director.yml")
+
+      when "concourse"
+        template("aws/concourse/aws_cloud.yml.erb",   "aws_cloud.yml")
+        template("aws/concourse/concourse.yml.erb",   "concourse.yml")
+      else
+        say "Manifest type not specified"
+
+      end
+    end
   end
 end
diff --git a/lib/kite/helpers.rb b/lib/kite/helpers.rb
@@ -1,2 +1,9 @@
 module Kite::Helpers
+  # Parse Terraform .tfstate file, returning the output hash
+  def parse_tf_state(path)
+    tf_state = YAML.load(File.open(path))
+    tf_output = tf_state["modules"].first["outputs"]
+    tf_output.map { |k, v| tf_output[k] = v["value"] }
+    tf_output
+  end
 end
diff --git a/tpl/aws/bin/make_manifest_bosh-init.sh → tpl/aws/bosh/bosh_director.yml.erb b/tpl/aws/bin/make_manifest_bosh-init.sh → tpl/aws/bosh/bosh_director.yml.erb
@@ -1,31 +1,3 @@
-#!/bin/bash
-#
-#  Please set the following environment variables:
-#  $AWS_ACCESS_KEY_ID
-#  $AWS_SECRET_ACCESS_KEY
-#  $AWS_REGION
-#  $AWS_AZ
-#  $BOSH_PASSWORD
-#  $AWS_KEYPAIR_KEY_NAME
-#  $PRIVATE_KEY_PATH
-
-function getvars() {
-  cd terraform/
-  EIP=$(terraform output eip)
-  SUBNET=$(terraform output default_subnet_id)
-  SECURITY_GROUP=$(terraform output security_group_id)
-  cd ../
-}
-
-getvars
-
-echo "Subnet = $SUBNET"
-echo "Security Group = $SECURITY_GROUP"
-echo "EIP = $EIP"
-echo "AWS REGION = $AWS_REGION"
-echo "AWS AZ = $AWS_AZ"
-
-cat >bosh-director.yml <<YAML
 ---
 name: bosh
 
@@ -46,7 +18,7 @@ resource_pools:
   cloud_properties:
     instance_type: m3.large
     ephemeral_disk: {size: 25_000, type: gp2}
-    availability_zone: $AWS_AZ
+    availability_zone: <%= @values['aws']['az'] %>
 
 disk_pools:
 - name: disks
@@ -60,7 +32,7 @@ networks:
   - range: 10.0.0.0/24
     gateway: 10.0.0.1
     dns: [10.0.0.2]
-    cloud_properties: {subnet: $SUBNET}
+    cloud_properties: {subnet: <%= @tf_output['default_subnet_id'] %>}
 - name: public
   type: vip
 
@@ -85,37 +57,37 @@ jobs:
     static_ips: [10.0.0.6]
     default: [dns, gateway]
   - name: public
-    static_ips: [$EIP]
+    static_ips: [<%= @tf_output['eip'] %>]
 
   properties:
     nats:
       address: 127.0.0.1
       user: nats
-      password: $BOSH_PASSWORD
+      password: <%= @values['aws']['bosh_password'] %>
 
     postgres: &db
       listen_address: 127.0.0.1
       host: 127.0.0.1
       user: postgres
-      password: $BOSH_PASSWORD
+      password: <%= @values['aws']['bosh_password'] %>
       database: bosh
       adapter: postgres
 
     registry:
       address: 10.0.0.6
       host: 10.0.0.6
       db: *db
-      http: {user: admin, password: $BOSH_PASSWORD, port: 25777}
+      http: {user: admin, password: <%= @values['aws']['bosh_password'] %>, port: 25777}
       username: admin
-      password: $BOSH_PASSWORD
+      password: <%= @values['aws']['bosh_password'] %>
       port: 25777
 
     blobstore:
       address: 10.0.0.6
       port: 25250
       provider: dav
-      director: {user: director, password: $BOSH_PASSWORD}
-      agent: {user: agent, password: $BOSH_PASSWORD}
+      director: {user: director, password: <%= @values['aws']['bosh_password'] %>}
+      agent: {user: agent, password: <%= @values['aws']['bosh_password'] %>}
 
     director:
       address: 127.0.0.1
@@ -127,38 +99,37 @@ jobs:
         provider: local
         local:
           users:
-          - {name: admin, password: $BOSH_PASSWORD}
-          - {name: hm, password: $BOSH_PASSWORD}
+          - {name: admin, password: <%= @values['aws']['bosh_password'] %>}
+          - {name: hm, password: <%= @values['aws']['bosh_password'] %>}
 
     hm:
-      director_account: {user: hm, password: $BOSH_PASSWORD}
+      director_account: {user: hm, password: <%= @values['aws']['bosh_password'] %>}
       resurrector_enabled: true
 
     aws: &aws
-      access_key_id: $AWS_ACCESS_KEY_ID
-      secret_access_key: $AWS_SECRET_ACCESS_KEY
-      default_key_name: $AWS_KEYPAIR_KEY_NAME
-      default_security_groups: [$SECURITY_GROUP]
-      region: $AWS_REGION
+      access_key_id: <%= @values['aws']['access_key_id'] %>
+      secret_access_key: <%= @values['aws']['secret_access_key'] %>
+      default_key_name: <%= @values['aws']['keypair_name'] %>
+      default_security_groups: [<%= @tf_output['security_group_id'] %>]
+      region: <%= @values['aws']['region'] %>
 
-    agent: {mbus: "nats://nats:$BOSH_PASSWORD@10.0.0.6:4222"}
+    agent: {mbus: "nats://nats:<%= @values['aws']['bosh_password'] %>@10.0.0.6:4222"}
 
     ntp: &ntp [0.pool.ntp.org, 1.pool.ntp.org]
 
 cloud_provider:
   template: {name: aws_cpi, release: bosh-aws-cpi}
 
   ssh_tunnel:
-    host: $EIP # <--- Replace with your Elastic IP address
+    host: <%= @tf_output['eip'] %> # <--- Replace with your Elastic IP address
     port: 22
     user: vcap
-    private_key: $PRIVATE_KEY_PATH # Path relative to this manifest file
+    private_key: <%= @values['aws']['private_key_path'] %> # Path relative to this manifest file
 
-  mbus: "https://mbus:$BOSH_PASSWORD@$EIP:6868" # <--- Replace with Elastic IP
+  mbus: "https://mbus:<%= @values['aws']['bosh_password'] %>@<%= @tf_output['eip'] %>:6868" # <--- Replace with Elastic IP
 
   properties:
     aws: *aws
-    agent: {mbus: "https://mbus:$BOSH_PASSWORD@0.0.0.0:6868"}
+    agent: {mbus: "https://mbus:<%= @values['aws']['bosh_password'] %>@0.0.0.0:6868"}
     blobstore: {provider: local, path: /var/vcap/micro_bosh/data/cache}
     ntp: *ntp
-YAML
diff --git a/tpl/aws/bin/make_cloud_config.sh → tpl/aws/concourse/aws_cloud.yml.erb b/tpl/aws/bin/make_cloud_config.sh → tpl/aws/concourse/aws_cloud.yml.erb
@@ -1,28 +1,7 @@
-#!/bin/bash
-#
-#  Please set the following environment variables:
-#  $AWS_AZ
-
-
-function getvars() {
-  cd terraform/
-  DEFAULT_SUBNET=$(terraform output default_subnet_id)
-  OPS_SUBNET=$(terraform output ops_services_subnet_id)
-  cd ../
-}
-
-getvars
-
-echo "Default Subnet = $DEFAULT_SUBNET"
-echo "Ops Services Subnet = $OPS_SUBNET"
-echo "AWS AZ" = $AWS_AZ
-
-
-cat >aws-cloud.yml <<YAML
 ---
 azs:
 - name: z1
-  cloud_properties: {availability_zone: $AWS_AZ}
+  cloud_properties: {availability_zone: <%= @values['aws']['az'] %>}
 
 vm_types:
 - name: concourse_standalone
@@ -81,7 +60,7 @@ networks:
     static: [10.0.0.6]
     reserved: [10.0.0.1-10.0.0.5]
     dns: [10.0.0.2]
-    cloud_properties: {subnet: $DEFAULT_SUBNET}
+    cloud_properties: {subnet: <%= @tf_output['default_subnet_id'] %>}
 - name: ops_services
   type: manual
   subnets:
@@ -90,7 +69,7 @@ networks:
     az: z1
     reserved: [10.0.10.1-10.0.10.5]
     dns: [10.0.0.2]
-    cloud_properties: {subnet: $OPS_SUBNET}
+    cloud_properties: {subnet: <%= @tf_output['ops_services_subnet_id'] %>}
 - name: vip
   type: vip
 
@@ -100,5 +79,3 @@ compilation:
   az: z1
   vm_type: large
   network: default
-
-YAML
diff --git a/...ws/bin/make_manifest_concourse-cluster.sh → tpl/aws/concourse/concourse.yml.erb b/...ws/bin/make_manifest_concourse-cluster.sh → tpl/aws/concourse/concourse.yml.erb
@@ -1,21 +1,7 @@
-#!/bin/bash
-#
-#  Please set the following environment variables:
-#  $DB_PASSWORD
-#  $CONCOURSE_URL
-#  $CONCOURSE_AUTH_USERNAME
-#  $CONCOURSE_AUTH_PASSWORD
-
-DIRECTOR_UUID=`bosh status --uuid`
-
-echo "director_uuid = $DIRECTOR_UUID"
-echo "concourse url = $CONCOURSE_URL"
-
-cat >concourse.yml <<YAML
 ---
 name: concourse
 
-director_uuid: $DIRECTOR_UUID
+director_uuid: <%= %x(bosh status --uuid) %>
 
 releases:
 - name: concourse
@@ -40,10 +26,10 @@ instance_groups:
     release: concourse
     properties:
       # replace with your CI's externally reachable URL e.g https://blah
-      external_url: $CONCOURSE_URL
+      external_url: <%= @values['aws']['concourse_url'] %>
 
-      basic_auth_username: $CONCOURSE_AUTH_USERNAME
-      basic_auth_password: $CONCOURSE_AUTH_PASSWORD
+      basic_auth_username: <%= @values['aws']['concourse_auth_username'] %>
+      basic_auth_password: <%= @values['aws']['concourse_auth_password'] %>
 
       postgresql_database: &atc_db atc
   - name: tsa
@@ -65,7 +51,7 @@ instance_groups:
       - name: *atc_db
         # make up a role and password
         role: dbrole
-        password: $DB_PASSWORD
+        password: <%= @values['aws']['db_password'] %>
 
 - name: worker
   instances: 1
@@ -93,4 +79,3 @@ update:
   serial: false
   canary_watch_time: 1000-60000
   update_watch_time: 1000-60000
-YAML