]> review.fuel-infra Code Review - openstack-build/heat-build.git/commitdiff
Add nested templates that implement a simple proxy/loadbalancer
authorAngus Salkeld <asalkeld@redhat.com>
Tue, 26 Jun 2012 13:23:27 +0000 (23:23 +1000)
committerAngus Salkeld <asalkeld@redhat.com>
Tue, 26 Jun 2012 13:23:27 +0000 (23:23 +1000)
Change-Id: I49f12e399f565d77955cf26288d182d0165422a0
Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
templates/HAProxy_Single_Instance.template [new file with mode: 0644]
templates/MySQL_Single_Instance.template
templates/WordPress_And_Http.template [new file with mode: 0644]
templates/WordPress_With_LB.template [new file with mode: 0644]

diff --git a/templates/HAProxy_Single_Instance.template b/templates/HAProxy_Single_Instance.template
new file mode 100644 (file)
index 0000000..25f6400
--- /dev/null
@@ -0,0 +1,94 @@
+{
+  "AWSTemplateFormatVersion": "2010-09-09",
+
+  "Description": "A Database instance running a local MySQL server",
+
+  "Parameters": {
+
+    "KeyName": {
+      "Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
+      "Type": "String"
+    },
+
+    "Server1": {
+      "Description": "Server1 to load balance <ip:port>",
+      "Type": "String"
+    },
+
+    "InstanceType": {
+      "Description": "Database server EC2 instance type",
+      "Default": "m1.small",
+      "Type": "String",
+      "AllowedValues": [ "t1.micro", "m1.small", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.medium", "c1.xlarge", "cc1.4xlarge" ],
+      "ConstraintDescription": "must be a valid EC2 instance type."
+    }
+  },
+
+  "Resources": {
+    "LoadBalancerInstance": {
+      "Type": "AWS::EC2::Instance",
+      "Metadata": {
+        "AWS::CloudFormation::Init": {
+          "config": {
+            "packages": {
+              "yum": {
+                "haproxy"        : []
+              }
+            },
+            "services": {
+              "systemd": {
+                "haproxy"   : { "enabled": "true", "ensureRunning": "true" }
+              }
+            },
+            "files": {
+              "/etc/haproxy/haproxy.cfg": {
+                "content": { "Fn::Join": ["", [
+                "    global\n",
+                "        daemon\n",
+                "        maxconn 256\n",
+                "\n",
+                "    defaults\n",
+                "        mode http\n",
+                "        timeout connect 5000ms\n",
+                "        timeout client 50000ms\n",
+                "        timeout server 50000ms\n",
+                "\n",
+                "    frontend http-in\n",
+                "        bind *:80\n",
+                "        default_backend servers\n",
+                "\n",
+                "    backend servers\n",
+                "        balance roundrobin\n",
+                "        option http-server-close\n",
+                "        option forwardfor\n",
+                "        server server1 ", { "Ref" : "Server1" }, "\n"
+                ]]},
+                "mode": "000644",
+                "owner": "root",
+                "group": "root"
+            }
+          }
+        }
+        }
+      },
+      "Properties": {
+        "ImageId": "F16-x86_64-cfntools",
+        "InstanceType": { "Ref": "InstanceType" },
+        "KeyName": { "Ref": "KeyName" },
+        "UserData": { "Fn::Base64": { "Fn::Join": ["", [
+          "#!/bin/bash -v\n",
+          "/opt/aws/bin/cfn-init -s ",
+          { "Ref": "AWS::StackName" },
+          "    --region ", { "Ref": "AWS::Region" }, "\n"
+        ]]}}
+      }
+    }
+  },
+
+  "Outputs": {
+    "PublicIp": {
+      "Value": { "Fn::GetAtt": [ "LoadBalancerInstance", "PublicIp" ] },
+      "Description": "instance IP"
+    }
+  }
+}
index c0659baa7b3c1a6cb8b9ebb9378eab3a182bee05..de8e0bd85f31298f40092a81be959e642afd6a66 100644 (file)
@@ -86,7 +86,7 @@
   },
 
   "Resources" : {
-    "DatabaseServer": {
+    "MySqlDatabaseServer": {
       "Type": "AWS::EC2::Instance",
       "Metadata" : {
         "AWS::CloudFormation::Init" : {
         "KeyName"        : { "Ref" : "KeyName" },
         "UserData"       : { "Fn::Base64" : { "Fn::Join" : ["", [
           "#!/bin/bash -v\n",
-          "/opt/aws/bin/cfn-init\n",
+
+          "# Helper function\n",
+          "function error_exit\n",
+          "{\n",
+          "  /opt/aws/bin/cfn-signal -e 1 -r \"$1\" '", { "Ref" : "MySqlWaitHandle" }, "'\n",
+          "  exit 1\n",
+          "}\n",
+
+          "/opt/aws/bin/cfn-init -s ", { "Ref" : "AWS::StackName" },
+          " -r MySqlDatabaseServer ",
+          " --region ", { "Ref" : "AWS::Region" },
+          " || error_exit 'Failed to run cfn-init'\n",
+
           "# Setup MySQL root password and create a user\n",
           "mysqladmin -u root password '", { "Ref" : "DBRootPassword" }, "'\n",
           "cat << EOF | mysql -u root --password='", { "Ref" : "DBRootPassword" }, "'\n",
           "IDENTIFIED BY \"", { "Ref" : "DBPassword" }, "\";\n",
           "FLUSH PRIVILEGES;\n",
           "EXIT\n",
-          "EOF\n"
+          "EOF\n",
+          "# All is well so signal success\n",
+          "/opt/aws/bin/cfn-signal -e 0 -r \"MySQL Database setup complete\" '",
+          { "Ref" : "MySqlWaitHandle" }, "'\n"
         ]]}}
       }
+    },
+
+    "MySqlWaitHandle" : {
+      "Type" : "AWS::CloudFormation::WaitConditionHandle"
+    },
+
+    "MySqlWaitCondition" : {
+      "Type" : "AWS::CloudFormation::WaitCondition",
+      "DependsOn" : "MySqlDatabaseServer",
+      "Properties" : {
+        "Handle" : {"Ref" : "MySqlWaitHandle"},
+        "Timeout" : "600"
+      }
     }
+
   },
 
   "Outputs" : {
     "PublicIp": {
-      "Value": { "Fn::GetAtt" : [ "DatabaseServer", "PublicIp" ] },
+      "Value": { "Fn::GetAtt" : [ "MySqlDatabaseServer", "PublicIp" ] },
       "Description": "Database server IP"
     }
   }
diff --git a/templates/WordPress_And_Http.template b/templates/WordPress_And_Http.template
new file mode 100644 (file)
index 0000000..52f52b5
--- /dev/null
@@ -0,0 +1,135 @@
+{
+  "AWSTemplateFormatVersion": "2010-09-09",
+
+  "Description": "This template installs one instance running a WordPress deployment",
+
+  "Parameters": {
+
+    "KeyName": {
+      "Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
+      "Type": "String"
+    },
+
+    "InstanceType": {
+      "Description": "WebServer EC2 instance type",
+      "Type": "String",
+      "Default": "m1.large",
+      "AllowedValues": ["t1.micro", "m1.small", "m1.large", "m1.xlarge",
+                         "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.medium",
+                         "c1.xlarge", "cc1.4xlarge" ],
+      "ConstraintDescription": "must be a valid EC2 instance type."
+    },
+
+    "DBIpaddress": {
+      "Description": "The IP address of the database",
+      "Type": "String"
+    },
+
+    "DBName": {
+      "Default": "wordpress",
+      "Description": "The WordPress database name",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "64",
+      "AllowedPattern": "[a-zA-Z][a-zA-Z0-9]*",
+      "ConstraintDescription": "must begin with a letter and contain only alphanumeric characters."
+    },
+
+    "DBUsername": {
+      "Default": "admin",
+      "NoEcho": "true",
+      "Description": "The WordPress database admin account username",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "16",
+      "AllowedPattern": "[a-zA-Z][a-zA-Z0-9]*",
+      "ConstraintDescription": "must begin with a letter and contain only alphanumeric characters."
+    },
+
+    "DBPassword": {
+      "Default": "admin",
+      "NoEcho": "true",
+      "Description": "The WordPress database admin account password",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "41",
+      "AllowedPattern": "[a-zA-Z0-9]*",
+      "ConstraintDescription": "must contain only alphanumeric characters."
+    },
+
+    "LinuxDistribution": {
+      "Default": "F16",
+      "Description": "Distribution of choice",
+      "Type": "String",
+      "AllowedValues": [ "F16", "F17", "U10", "RHEL-6.1", "RHEL-6.2", "RHEL-6.3" ]
+    }
+  },
+
+  "Mappings": {
+    "AWSInstanceType2Arch": {
+      "t1.micro"    : { "Arch": "32" },
+      "m1.small"    : { "Arch": "32" },
+      "m1.large"    : { "Arch": "64" },
+      "m1.xlarge"   : { "Arch": "64" },
+      "m2.xlarge"   : { "Arch": "64" },
+      "m2.2xlarge"  : { "Arch": "64" },
+      "m2.4xlarge"  : { "Arch": "64" },
+      "c1.medium"   : { "Arch": "32" },
+      "c1.xlarge"   : { "Arch": "64" },
+      "cc1.4xlarge": { "Arch": "64" }
+    },
+    "DistroArch2AMI": {
+      "F16"      : { "32": "F16-i386-cfntools", "64": "F16-x86_64-cfntools" },
+      "F17"      : { "32": "F17-i386-cfntools", "64": "F17-x86_64-cfntools" },
+      "U10"      : { "32": "U10-i386-cfntools", "64": "U10-x86_64-cfntools" },
+      "RHEL-6.1": { "32": "rhel61-i386-cfntools", "64": "rhel61-x86_64-cfntools" },
+      "RHEL-6.2": { "32": "rhel62-i386-cfntools", "64": "rhel62-x86_64-cfntools" },
+      "RHEL-6.3": { "32": "rhel63-i386-cfntools", "64": "rhel63-x86_64-cfntools" }
+    }
+  },
+
+  "Resources": {
+    "WebServer": {
+      "Type": "AWS::EC2::Instance",
+      "Metadata": {
+        "AWS::CloudFormation::Init": {
+          "config": {
+            "packages": {
+              "yum": {
+                "httpd"        : [],
+                "wordpress"    : []
+              }
+            },
+            "services": {
+              "systemd": {
+                "httpd"    : { "enabled": "true", "ensureRunning": "true" }
+              }
+            }
+          }
+        }
+      },
+      "Properties": {
+        "ImageId": { "Fn::FindInMap": [ "DistroArch2AMI", { "Ref": "LinuxDistribution" },
+                          { "Fn::FindInMap": [ "AWSInstanceType2Arch", { "Ref": "InstanceType" }, "Arch" ] } ] },
+        "InstanceType"   : { "Ref": "InstanceType" },
+        "KeyName"        : { "Ref": "KeyName" },
+        "UserData"       : { "Fn::Base64": { "Fn::Join": ["", [
+          "#!/bin/bash -v\n",
+          "/opt/aws/bin/cfn-init\n",
+          "sed --in-place --e s/database_name_here/", { "Ref": "DBName" },
+          "/ --e s/username_here/", { "Ref": "DBUsername" },
+          "/ --e s/password_here/", { "Ref": "DBPassword" },
+          "/ --e s/localhost/", { "Ref": "DBIpaddress"},
+          "/ /usr/share/wordpress/wp-config.php\n"
+        ]]}}
+      }
+    }
+  },
+
+  "Outputs": {
+    "PublicIp": {
+      "Value": {"Fn::GetAtt": [ "WebServer", "PublicIp"]},
+      "Description": "IP address of WebServer instance"
+    }
+  }
+}
diff --git a/templates/WordPress_With_LB.template b/templates/WordPress_With_LB.template
new file mode 100644 (file)
index 0000000..6055dc3
--- /dev/null
@@ -0,0 +1,148 @@
+{
+  "AWSTemplateFormatVersion": "2010-09-09",
+
+  "Description": "WordPress is web software you can use to create a beautiful website or blog. This template installs two instances: one running a WordPress deployment and the other, created within a separate stack embedded in this one with template composition, using a local MySQL database to store the data.",
+
+  "Parameters": {
+
+    "KeyName": {
+      "Description": "Name of an existing EC2 KeyPair to enable SSH access to the instances",
+      "Type": "String"
+    },
+
+    "InstanceType": {
+      "Description": "WebServer EC2 instance type",
+      "Type": "String",
+      "Default": "m1.large",
+      "AllowedValues": [ "t1.micro", "m1.small", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "c1.medium", "c1.xlarge", "cc1.4xlarge" ],
+      "ConstraintDescription": "must be a valid EC2 instance type."
+    },
+
+    "DBName": {
+      "Default": "wordpress",
+      "Description": "The WordPress database name",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "64",
+      "AllowedPattern": "[a-zA-Z][a-zA-Z0-9]*",
+      "ConstraintDescription": "must begin with a letter and contain only alphanumeric characters."
+    },
+
+    "DBUsername": {
+      "Default": "admin",
+      "NoEcho": "true",
+      "Description": "The WordPress database admin account username",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "16",
+      "AllowedPattern": "[a-zA-Z][a-zA-Z0-9]*",
+      "ConstraintDescription": "must begin with a letter and contain only alphanumeric characters."
+    },
+
+    "DBPassword": {
+      "Default": "admin",
+      "NoEcho": "true",
+      "Description": "The WordPress database admin account password",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "41",
+      "AllowedPattern": "[a-zA-Z0-9]*",
+      "ConstraintDescription": "must contain only alphanumeric characters."
+    },
+
+    "DBRootPassword": {
+      "Default": "admin",
+      "NoEcho": "true",
+      "Description": "Root password for MySQL",
+      "Type": "String",
+      "MinLength": "1",
+      "MaxLength": "41",
+      "AllowedPattern": "[a-zA-Z0-9]*",
+      "ConstraintDescription": "must contain only alphanumeric characters."
+    },
+    "LinuxDistribution": {
+      "Default": "F16",
+      "Description": "Distribution of choice",
+      "Type": "String",
+      "AllowedValues": [ "F16", "F17", "U10", "RHEL-6.1", "RHEL-6.2", "RHEL-6.3" ]
+    }
+  },
+
+  "Mappings": {
+    "AWSInstanceType2Arch": {
+      "t1.micro"    : { "Arch": "32" },
+      "m1.small"    : { "Arch": "32" },
+      "m1.large"    : { "Arch": "64" },
+      "m1.xlarge"   : { "Arch": "64" },
+      "m2.xlarge"   : { "Arch": "64" },
+      "m2.2xlarge"  : { "Arch": "64" },
+      "m2.4xlarge"  : { "Arch": "64" },
+      "c1.medium"   : { "Arch": "32" },
+      "c1.xlarge"   : { "Arch": "64" },
+      "cc1.4xlarge" : { "Arch": "64" }
+    },
+    "DistroArch2AMI": {
+      "F16"     : { "32": "F16-i386-cfntools", "64": "F16-x86_64-cfntools" },
+      "F17"     : { "32": "F17-i386-cfntools", "64": "F17-x86_64-cfntools" },
+      "U10"     : { "32": "U10-i386-cfntools", "64": "U10-x86_64-cfntools" },
+      "RHEL-6.1": { "32": "rhel61-i386-cfntools", "64": "rhel61-x86_64-cfntools" },
+      "RHEL-6.2": { "32": "rhel62-i386-cfntools", "64": "rhel62-x86_64-cfntools" },
+      "RHEL-6.3": { "32": "rhel63-i386-cfntools", "64": "rhel63-x86_64-cfntools" }
+    }
+  },
+
+  "Resources": {
+    "DatabaseServer": {
+      "Type": "AWS::CloudFormation::Stack",
+      "Properties": {
+        "TemplateURL": "https://raw.github.com/heat-api/heat/master/templates/MySQL_Single_Instance.template",
+        "Parameters": {
+          "KeyName"          : { "Ref": "KeyName" },
+          "InstanceType"     : { "Ref": "InstanceType" },
+          "DBName"           : { "Ref": "DBName" },
+          "DBUsername"       : { "Ref": "DBUsername" },
+          "DBPassword"       : { "Ref": "DBPassword" },
+          "DBRootPassword"   : { "Ref": "DBRootPassword" },
+          "LinuxDistribution": { "Ref": "LinuxDistribution" }
+        }
+      }
+    },
+
+    "WikiServerOne": {
+      "Type": "AWS::CloudFormation::Stack",
+      "DependsOn": "DatabaseServer",
+      "Properties": {
+        "TemplateURL": "https://raw.github.com/heat-api/heat/master/templates/WordPress_And_Http.template",
+        "Parameters": {
+          "KeyName"          : { "Ref": "KeyName" },
+          "InstanceType"     : { "Ref": "InstanceType" },
+          "DBName"           : { "Ref": "DBName" },
+          "DBUsername"       : { "Ref": "DBUsername" },
+          "DBPassword"       : { "Ref": "DBPassword" },
+          "DBIpaddress"      : { "Fn::GetAtt": [ "DatabaseServer", "Outputs.PublicIp" ]},
+          "LinuxDistribution": { "Ref": "LinuxDistribution" }
+        }
+      }
+    },
+
+    "LoadBalancer": {
+      "Type": "AWS::CloudFormation::Stack",
+      "DependsOn": "WikiServerOne",
+      "Properties": {
+        "TemplateURL": "https://raw.github.com/heat-api/heat/master/templates/HAProxy_Single_Instance.template",
+        "Parameters": {
+          "KeyName"          : { "Ref": "KeyName" },
+          "InstanceType"     : { "Ref": "InstanceType" },
+          "Server1"          : { "Fn::Join": ["", [{ "Fn::GetAtt": [ "WikiServerOne", "Outputs.PublicIp" ]}, ":80"]] }
+        }
+      }
+    }
+  },
+
+  "Outputs": {
+    "WebsiteURL": {
+      "Value": { "Fn::Join": ["", ["http://", { "Fn::GetAtt": [ "LoadBalancer", "Outputs.PublicIp" ]}, "/wordpress"]] },
+      "Description": "URL for Wordpress wiki"
+    }
+  }
+}