Let’s say you want to let BitBucket notify Jenkins to do a build every time a PR is created or a branch is updated. You can leverage the BitBucket webhooks to do this. If so you will want to allow traffic from the BitBucket CIDR addresses here:
If you are using AWS CloudFormation to manage your infrastructure, then you may have noticed that unfortunately there is not a more simple way to define AWS::EC2::SecurityGroupIngress. You cannot supply an array, nor can you readily loop through inputs to the template. Therefore, you have to brute-force copy and paste it over and over with unique names for the variables and Security Groups. Here is a sample CloudFormation template in JSON that you can use:
{
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "BitBucket Webhooks to Jenkins: https://support.atlassian.com/organization-administration/docs/ip-addresses-and-domains-for-atlassian-cloud-products/#AtlassiancloudIPrangesanddomains-OutgoingConnections",
"Parameters": {
"JenkinsStackName": {
"Type": "String",
"Description": "Name of the CloudFormation Stack that contains the Jenkins configuration",
"MinLength": 1,
"MaxLength": 255,
"Default": "DEV-Jenkins"
},
"FromCidr1": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"13.52.5.96/28"
},
"FromCidr2": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"13.236.8.224/28"
},
"FromCidr3": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"18.184.99.224/28"
},
"FromCidr4": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"18.234.32.224/28"
},
"FromCidr5": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"18.246.31.224/28"
},
"FromCidr6": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"52.215.192.224/28"
},
"FromCidr7": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"104.192.137.240/28"
},
"FromCidr8": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"104.192.138.240/28"
},
"FromCidr9": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"104.192.140.240/28"
},
"FromCidr10": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"104.192.142.240/28"
},
"FromCidr11": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"104.192.143.240/28"
},
"FromCidr12": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"185.166.143.240/28"
},
"FromCidr13": {
"Type": "String",
"Description": "Source IP Cidr to allow connections from",
"MinLength": 1,
"MaxLength": 18,
"Default":"185.166.142.240/28"
}
},
"Resources": {
"SecurityGroupIngress1": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr1"
}
}
},
"SecurityGroupIngress2": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr2"
}
}
},
"SecurityGroupIngress3": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr3"
}
}
},
"SecurityGroupIngress4": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr4"
}
}
},
"SecurityGroupIngress5": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr5"
}
}
},
"SecurityGroupIngress6": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr6"
}
}
},
"SecurityGroupIngress7": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr7"
}
}
},
"SecurityGroupIngress8": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr8"
}
}
},
"SecurityGroupIngress9": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr9"
}
}
},
"SecurityGroupIngress10": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr10"
}
}
},
"SecurityGroupIngress11": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr11"
}
}
},
"SecurityGroupIngress12": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr12"
}
}
},
"SecurityGroupIngress13": {
"Type": "AWS::EC2::SecurityGroupIngress",
"Properties": {
"GroupId": {
"Fn::ImportValue": {
"Fn::Sub": "${JenkinsStackName}-SecurityGroupId"
}
},
"IpProtocol": "tcp",
"FromPort": "443",
"ToPort": "443",
"CidrIp": {
"Ref": "FromCidr13"
}
}
}
}
}Once the stack is created, you will no longer see NETWORK ERROR in BitBucket.
Here is a deeper look at the “View details” for the NETWORK ERROR
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