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TG-598 Add route metrics and healthz paths (#197)
* TG-598 Add route metrics and healthz paths * TG-598 Refactor routing metrics paths Co-authored-by: Filippo Morelli <[email protected]>
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102 changes: 102 additions & 0 deletions
102
{{cookiecutter.project_dirname}}/terraform/environment/modules/kubernetes/metrics/main.tf
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| locals { | ||
| basic_auth_ready = alltrue( | ||
| [ | ||
| var.basic_auth_enabled, | ||
| var.basic_auth_username != "", | ||
| var.basic_auth_password != "" | ||
| ] | ||
| ) | ||
| } | ||
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|
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| terraform { | ||
| required_providers { | ||
| kubernetes = { | ||
| source = "hashicorp/kubernetes" | ||
| version = "2.9.0" | ||
| } | ||
| } | ||
| } | ||
|
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| /* Metrics Ingress Route */ | ||
|
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| resource "kubernetes_secret_v1" "metrics_basic_auth" { | ||
| count = local.basic_auth_ready ? 1 : 0 | ||
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| metadata { | ||
| name = "metrics-basic-auth" | ||
| namespace = "kube-system" | ||
| } | ||
|
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| data = { | ||
| username = var.basic_auth_username | ||
| password = var.basic_auth_password | ||
| } | ||
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| type = "kubernetes.io/basic-auth" | ||
| } | ||
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| resource "kubernetes_manifest" "metrics_basic_auth_middleware" { | ||
| count = local.basic_auth_ready ? 1 : 0 | ||
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| manifest = { | ||
| apiVersion = "traefik.containo.us/v1alpha1" | ||
| kind = "Middleware" | ||
| metadata = { | ||
| name = "metrics-basic-auth-middleware" | ||
| namespace = "kube-system" | ||
| } | ||
| spec = { | ||
| basicAuth = { | ||
| removeHeader = true | ||
| secret = kubernetes_secret_v1.metrics_basic_auth[0].metadata[0].name | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| resource "kubernetes_manifest" "metrics_ingress_route" { | ||
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| manifest = { | ||
| apiVersion = "traefik.containo.us/v1alpha1" | ||
| kind = "IngressRoute" | ||
| metadata = { | ||
| name = "metrics-ingress-route" | ||
| namespace = "kube-system" | ||
| } | ||
| spec = merge( | ||
| { | ||
| entryPoints = var.tls_secret_name != "" ? ["websecure"] : ["web"] | ||
| routes = concat( | ||
| local.basic_auth_ready ? [ | ||
| { | ||
| kind = "Rule" | ||
| match = "Host(`${var.project_domain}`) && PathPrefix(`/metrics`)" | ||
| middlewares = [{ "name" : "metrics-basic-auth-middleware" }] | ||
| services = [ | ||
| { | ||
| name = "kube-state-metrics" | ||
| port = 8080 | ||
| } | ||
| ] | ||
| }] : [], | ||
| [{ | ||
| kind = "Rule" | ||
| match = "Host(`${var.project_domain}`) && PathPrefix(`/healthz`)" | ||
| middlewares = [] | ||
| services = [ | ||
| { | ||
| name = "kube-state-metrics" | ||
| port = 8080 | ||
| } | ||
| ] | ||
| } | ||
| ]) | ||
| }, | ||
| var.tls_secret_name != "" ? { | ||
| tls = { | ||
| secretName = var.tls_secret_name | ||
| } | ||
| } : {} | ||
| ) | ||
| } | ||
| } |
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...kiecutter.project_dirname}}/terraform/environment/modules/kubernetes/metrics/variables.tf
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| variable "basic_auth_password" { | ||
| description = "The basic_auth password." | ||
| type = string | ||
| sensitive = true | ||
| default = "" | ||
| } | ||
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| variable "basic_auth_username" { | ||
| description = "The basic_auth username." | ||
| type = string | ||
| default = "" | ||
| } | ||
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| variable "project_domain" { | ||
| description = "The project domain." | ||
| type = string | ||
| } | ||
|
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| variable "tls_secret_name" { | ||
| description = "The tls secret name" | ||
| type = string | ||
| default = "" | ||
| } |
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4 changes: 4 additions & 0 deletions
4
{{cookiecutter.project_dirname}}/terraform/environment/modules/kubernetes/routing/outputs.tf
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|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| output "tls_secret_name" { | ||
| description = "The name of the TLS certificate Kubernetes secret." | ||
| value = local.tls_secret_name | ||
| } |
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1 change: 1 addition & 0 deletions
1
{{cookiecutter.project_dirname}}/terraform/environment/vars/.tfvars
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| @@ -1,5 +1,6 @@ | ||
| {% if "environment" in cookiecutter.tfvars %}{% for item in cookiecutter.tfvars.environment|sort %}{{ item }} | ||
| {% endfor %}{% endif %}# database_connection_pool_size=1 | ||
| # database_dumps_enabled=true | ||
| # basic_auth_enabled=false | ||
| # backend_service_extra_traefik_middlewares=[] | ||
| # frontend_service_extra_traefik_middlewares=[] |