Perform health checks on the servers in the cluster.
Distribute traffic from the Influx CLI and programming libraries across InfluxDB Data nodes.
Note that this module solely deploys the Load Balancer, as you may want to share one load balancer across multiple
applications. To deploy Target Groups, health checks, and routing rules, use the
load-balancer-target-group
module.
This folder defines a Terraform module, which you can use in your
code by adding a module configuration and setting its source parameter to URL of this folder:
module"load_balancer" {
# TODO: replace <VERSION> with the latest version from the releases page: https://github.com/gruntwork-io/terraform-aws-influx/releases
source = "github.com/gruntwork/terraform-aws-influx//modules/load-balancer?ref=<VERSION>"
name = "influxdb-load-balancer"
vpc_id = "vpc-abcd1234"
subnet_ids = ["subnet-abcd1234", "subnet-efgh5678"]
http_listener_ports = [8086]
allow_inbound_from_cidr_blocks = ["0.0.0.0/0"]
# ... See variables.tf for the other parameters you must define for this module
}
The above code will create a Load Balancer.
Note the following:
source: Use this parameter in the module to specify the URL of the load-balancer module. The double slash (//)
is intentional and required. Terraform uses it to specify subfolders within a Git repo (see module
sources). The ref parameter specifies a specific Git tag in
this repo. That way, instead of using the latest version of this module from the master branch, which
will change every time you run Terraform, you're using a fixed version of the repo.
http_listener_ports: Which ports the load balancer should listen on for HTTP requests.
https_listener_ports_and_certs: Whic ports the load balancer should listen on for HTTPS requests and which TLS
certs to use with those ports.
allow_inbound_from_cidr_blocks: Use this variable to specify which IP address ranges can connect to the Load
Balancer. You can also use allow_inbound_from_security_groups to allow specific security groups to connect.
How is the ALB configured?
The ALB in this module is configured as follows:
Listeners: The Load Balancer will create a listener for each port specified in http_listener_ports.
DNS: You can use the route53_records variable to create one more more DNS A Records in Route
53 that point to the Load Balancer. This allows you to use custom domain names to access the Load Balancer.
Questions? Ask away.
We're here to talk about our services, answer any questions, give advice, or just to chat.
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sha":"99df58080a1f0db4565d214129c32b4e1a4769e2"},{"name":"Gopkg.toml","path":"test/Gopkg.toml","sha":"b6373bead7b213d542e3564e5915ac2ffde5f0b8"},{"name":"README.md","path":"test/README.md","sha":"819e790d15767c851bfc438f0a1413ed2bde7d3b"},{"name":"influxdb_single_cluster_test.go","path":"test/influxdb_single_cluster_test.go","sha":"4dc35665cb26dbecd2cb7f9d33d64319797f2305"},{"name":"test_helpers.go","path":"test/test_helpers.go","sha":"1bbda8373251e26156a8b3422bc338d19d56aa10"},{"name":"tick_multi_cluster_test.go","path":"test/tick_multi_cluster_test.go","sha":"cc48d14f53f7f6df04e8e441d33788c2ac575344"},{"name":"tick_single_cluster_test.go","path":"test/tick_single_cluster_test.go","sha":"97921520812154ba4198ea7f33fe38a5df49b77d"}]},{"name":"variables.tf","path":"variables.tf","sha":"c1aa8ee0980cb0fd3a83f90e67407a510420131d"}]},"detailsContent":"<h1 class=\"preview__body--title\" id=\"load-balancer\">Load Balancer</h1><div class=\"preview__body--border\"></div><p>This folder contains a <a href=\"https://www.terraform.io/\" class=\"preview__body--description--blue\" target=\"_blank\">Terraform</a> module that can be used to deploy an <a href=\"https://docs.aws.amazon.com/elasticloadbalancing/latest/application/introduction.html\" class=\"preview__body--description--blue\" target=\"_blank\">Application Load\nBalancer (ALB)</a> in front of\nyour InfluxDB data nodes cluster to:</p>\n<ol>\n<li>Perform health checks on the servers in the cluster.</li>\n<li>Distribute traffic from the Influx CLI and programming libraries across InfluxDB Data nodes.</li>\n</ol>\n<p>Note that this module solely deploys the Load Balancer, as you may want to share one load balancer across multiple\napplications. To deploy Target Groups, health checks, and routing rules, use the\n<a href=\"/repos/v0.2.0/terraform-aws-influx/modules/load-balancer-target-group\" class=\"preview__body--description--blue\">load-balancer-target-group</a>\nmodule.</p>\n<p>See the <a href=\"/repos/v0.2.0/terraform-aws-influx/examples\" class=\"preview__body--description--blue\">examples folder</a> for fully\nworking sample code.</p>\n<h2 class=\"preview__body--subtitle\" id=\"how-do-you-use-this-module\">How do you use this module?</h2>\n<p>This folder defines a <a href=\"https://www.terraform.io/docs/modules/usage.html\" class=\"preview__body--description--blue\" target=\"_blank\">Terraform module</a>, which you can use in your\ncode by adding a <code>module</code> configuration and setting its <code>source</code> parameter to URL of this folder:</p>\n<pre><span class=\"hljs-keyword\">module</span> <span class=\"hljs-string\">\"load_balancer\"</span> {\n <span class=\"hljs-comment\"># <span class=\"hljs-doctag\">TODO:</span> replace <VERSION> with the latest version from the releases page: https://github.com/gruntwork-io/terraform-aws-influx/releases</span>\n source = <span class=\"hljs-string\">\"github.com/gruntwork/terraform-aws-influx//modules/load-balancer?ref=<VERSION>\"</span>\n \n name = <span class=\"hljs-string\">\"influxdb-load-balancer\"</span>\n vpc_id = <span class=\"hljs-string\">\"vpc-abcd1234\"</span>\n subnet_ids = [<span class=\"hljs-string\">\"subnet-abcd1234\"</span>, <span class=\"hljs-string\">\"subnet-efgh5678\"</span>]\n\n http_listener_ports = [<span class=\"hljs-number\">8086</span>]\n \n allow_inbound_from_cidr_blocks = [<span class=\"hljs-string\">\"0.0.0.0/0\"</span>]\n\n <span class=\"hljs-comment\"># ... See variables.tf for the other parameters you must define for this module</span>\n}\n</pre>\n<p>The above code will create a Load Balancer.</p>\n<p>Note the following:</p>\n<ul>\n<li>\n<p><code>source</code>: Use this parameter in the <code>module</code> to specify the URL of the load-balancer module. The double slash (<code>//</code>)\nis intentional and required. Terraform uses it to specify subfolders within a Git repo (see <a href=\"https://www.terraform.io/docs/modules/sources.html\" class=\"preview__body--description--blue\" target=\"_blank\">module\nsources</a>). The <code>ref</code> parameter specifies a specific Git tag in\nthis repo. That way, instead of using the latest version of this module from the <code>master</code> branch, which\nwill change every time you run Terraform, you're using a fixed version of the repo.</p>\n</li>\n<li>\n<p><code>http_listener_ports</code>: Which ports the load balancer should listen on for HTTP requests.</p>\n</li>\n<li>\n<p><code>https_listener_ports_and_certs</code>: Whic ports the load balancer should listen on for HTTPS requests and which TLS\ncerts to use with those ports.</p>\n</li>\n<li>\n<p><code>allow_inbound_from_cidr_blocks</code>: Use this variable to specify which IP address ranges can connect to the Load\nBalancer. You can also use <code>allow_inbound_from_security_groups</code> to allow specific security groups to connect.</p>\n</li>\n</ul>\n<h2 class=\"preview__body--subtitle\" id=\"how-is-the-alb-configured\">How is the ALB configured?</h2>\n<p>The ALB in this module is configured as follows:</p>\n<ol>\n<li>\n<p><strong>Listeners</strong>: The Load Balancer will create a listener for each port specified in <code>http_listener_ports</code>.</p>\n</li>\n<li>\n<p><strong>DNS</strong>: You can use the <code>route53_records</code> variable to create one more more DNS A Records in <a href=\"https://aws.amazon.com/route53/\" class=\"preview__body--description--blue\" target=\"_blank\">Route\n53</a> that point to the Load Balancer. This allows you to use custom domain names to access the Load Balancer.</p>\n</li>\n</ol>\n","repoName":"terraform-aws-influx","repoRef":"v0.1.2","serviceDescriptor":{"serviceName":"InfluxDB","serviceRepoName":"terraform-aws-influx","serviceRepoOrg":"gruntwork-io","cloudProviders":["aws"],"description":"Deploy an InfluxDB cluster. Supports automatic bootstrapping and auto healing.","imageUrl":"tick.png","licenseType":"open-source","technologies":["Terraform","Bash"],"compliance":[],"tags":[""]},"serviceCategoryName":"NoSQL","fileName":"README.md","filePath":"/modules/load-balancer","title":"Repo Browser: InfluxDB","description":"Browse the repos in the Gruntwork Infrastructure as Code Library."}
.circleci
main.tf
