Most AWS services emit metrics by default, which you'll find under the "AWS Namespaces" (e.g. EC2, ECS, RDS).
Custom metrics show up under "Custom Namespaces." In particular, the cloudwatch-memory-disk-metrics-scripts
module is installed on every
server to emit metrics not available from AWS by default, including memory and disk usage. You'll find these under
the "Linux System" Namespace.
You may want to create a Dashboard
with the most useful metrics for your services and have that open on a big screen at all times.
Alerts
A number of alerts have been configured using the alarms modules in
module-aws-monitoring to notify you
in case of problems, such as a service running out of disk space or a load balancer seeing too many 5xx errors.
You can also find Route 53 Health Checks on this page.
These health checks test your public endpoints from all over the globe and notify you if your services are unreachable.
That said, you probably don't want to wait for someone to check that page before realizing something is wrong, so
instead, you should subscribe to alerts via email or text message as follows:
Go to the SNS Topics Page, select the
cloudwatch-alarms topic, and click "Actions -> Subscribe to topic."
Go to the us-east-1 SNS Topics Page,
select the route53-cloudwatch-alarms topic, and click "Actions -> Subscribe to topic." The alarms for Route 53
health checks only go to us-east-1, so we have to have a separate SNS topic for them.
If you'd like alarm notifications to go to a Slack channel, check out the sns-to-slack
module.
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class=\"preview__body--title\" id=\"monitoring-alerting-and-logging\">Monitoring, Alerting and Logging</h1><div class=\"preview__body--border\"></div><p>Now that you've <a href=\"/repos/v0.0.1-01172020/infrastructure-live-acme/_docs/06-ci-cd.md\" class=\"preview__body--description--blue\">built, tested, and deployed</a> your code, you'll want to to see what's happening in your\nAWS account:</p>\n<ul>\n<li><a href=\"#metrics\" class=\"preview__body--description--blue\">Metrics</a></li>\n<li><a href=\"#alerts\" class=\"preview__body--description--blue\">Alerts</a></li>\n<li><a href=\"#logs\" class=\"preview__body--description--blue\">Logs</a></li>\n</ul>\n<h2 class=\"preview__body--subtitle\" id=\"metrics\">Metrics</h2>\n<p>You can find all the metrics for your AWS account on the <a href=\"https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#metricsV2:\" class=\"preview__body--description--blue\" target=\"_blank\">CloudWatch Metrics\nPage</a>.</p>\n<ul>\n<li>\n<p>Most AWS services emit metrics by default, which you'll find under the "AWS Namespaces" (e.g. EC2, ECS, RDS).</p>\n</li>\n<li>\n<p>Custom metrics show up under "Custom Namespaces." In particular, the <a href=\"/repos/module-aws-monitoring/modules/metrics\" class=\"preview__body--description--blue\">cloudwatch-memory-disk-metrics-scripts\nmodule</a> is installed on every\nserver to emit metrics not available from AWS by default, including memory and disk usage. You'll find these under\nthe "Linux System" Namespace.</p>\n</li>\n</ul>\n<p>You may want to create a <a href=\"https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#dashboards:\" class=\"preview__body--description--blue\" target=\"_blank\">Dashboard</a>\nwith the most useful metrics for your services and have that open on a big screen at all times.</p>\n<h2 class=\"preview__body--subtitle\" id=\"alerts\">Alerts</h2>\n<p>A number of alerts have been configured using the <a href=\"/repos/module-aws-monitoring/modules/alarms\" class=\"preview__body--description--blue\">alarms modules in\nmodule-aws-monitoring</a> to notify you\nin case of problems, such as a service running out of disk space or a load balancer seeing too many 5xx errors.</p>\n<ul>\n<li>\n<p>You can find all the alerts in the <a href=\"https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#alarm:alarmFilter=ANY\" class=\"preview__body--description--blue\" target=\"_blank\">CloudWatch Alarms\nPage</a>.</p>\n</li>\n<li>\n<p>You can also find <a href=\"https://console.aws.amazon.com/route53/healthchecks/home#/\" class=\"preview__body--description--blue\" target=\"_blank\">Route 53 Health Checks on this page</a>.\nThese health checks test your public endpoints from all over the globe and notify you if your services are unreachable.</p>\n</li>\n</ul>\n<p>That said, you probably don't want to wait for someone to check that page before realizing something is wrong, so\ninstead, you should subscribe to alerts via email or text message as follows:</p>\n<ol>\n<li>\n<p>Go to the <a href=\"https://console.aws.amazon.com/sns/v2/home?region=us-east-1#/topics\" class=\"preview__body--description--blue\" target=\"_blank\">SNS Topics Page</a>, select the\n<code>cloudwatch-alarms</code> topic, and click "Actions -> Subscribe to topic."</p>\n</li>\n<li>\n<p>Go to the <a href=\"https://console.aws.amazon.com/sns/v2/home?region=us-east-1#/topics\" class=\"preview__body--description--blue\" target=\"_blank\">us-east-1 SNS Topics Page</a>,\nselect the <code>route53-cloudwatch-alarms</code> topic, and click "Actions -> Subscribe to topic." The alarms for Route 53\nhealth checks only go to <code>us-east-1</code>, so we have to have a separate SNS topic for them.</p>\n</li>\n</ol>\n<p>If you'd like alarm notifications to go to a Slack channel, check out the <a href=\"/repos/module-aws-monitoring/modules/alarms/sns-to-slack\" class=\"preview__body--description--blue\">sns-to-slack\nmodule</a>.</p>\n<h2 class=\"preview__body--subtitle\" id=\"logs\">Logs</h2>\n<p>All of your services have been configured using the <a href=\"/repos/module-aws-monitoring/modules/logs/cloudwatch-log-aggregation-scripts\" class=\"preview__body--description--blue\">cloudwatch-log-aggregation-scripts\nmodule</a>\nand the <a href=\"/repos/terraform-aws-eks/modules/eks-cloudwatch-container-logs\" class=\"preview__body--description--blue\">eks-cloudwatch-container-logs module</a>\nto send their logs to <a href=\"https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#logs:\" class=\"preview__body--description--blue\" target=\"_blank\">CloudWatch Logs</a>.\nInstead of SSHing to each server to see a log file, and worrying about losing those log files if the server fails, you\ncan just go to the <a href=\"https://console.aws.amazon.com/cloudwatch/home?region=us-east-1#logs:\" class=\"preview__body--description--blue\" target=\"_blank\">CloudWatch Logs Page</a>\nand browse and search log events for all your servers in near-real-time.</p>\n<h2 class=\"preview__body--subtitle\" id=\"next-steps\">Next steps</h2>\n<p>If metrics, alerts, and logs aren't enough to diagnose an issue, you may need to connect to your servers using\n<a href=\"/repos/v0.0.1-01172020/infrastructure-live-acme/_docs/08-ssh-vpn.md\" class=\"preview__body--description--blue\">SSH and VPN</a>.</p>\n","repoName":"infrastructure-live-acme","repoRef":"v0.0.1-01172020","serviceDescriptor":{"serviceName":"Single-account Reference Architecture","serviceRepoName":"infrastructure-live-acme","serviceRepoOrg":"gruntwork-io","cloudProviders":["aws"],"description":"End-to-end tech stack designed to deploy into a single AWS account. Includes VPCs, EKS, ALBs, CI / CD, monitoring, alerting, VPN, DNS, and more.","imageUrl":"grunt.png","licenseType":"subscriber","technologies":["Terraform","Go","Bash","Python"],"compliance":[],"tags":[""]},"serviceCategoryName":"Reference Architecture","fileName":"07-monitoring-alerting-logging.md","filePath":"/_docs/07-monitoring-alerting-logging.md","title":"Repo Browser: Single-account Reference Architecture","description":"Browse the repos in the Gruntwork Infrastructure as Code Library."}
_docs
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