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a13labs.infra/terraform/k8sapps/chronograf.tf.bak
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2024-12-12 20:05:32 +01:00

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locals {
dashboards = { for file in fileset("./resources/chronograf/dashboards", "*.dashboard") : file => file("./resources/chronograf/dashboards/${file}") }
}
resource "kubernetes_cluster_role" "chronograf" {
metadata {
name = "chronograf-role"
}
rule {
api_groups = [""]
resources = ["configmaps", "secrets"]
verbs = ["get", "watch", "list"]
}
}
resource "kubernetes_cluster_role_binding" "chronograf" {
metadata {
name = "chronograf-role-binding"
}
role_ref {
api_group = "rbac.authorization.k8s.io"
kind = "ClusterRole"
name = kubernetes_cluster_role.chronograf.metadata.0.name
}
subject {
kind = "ServiceAccount"
name = kubernetes_service_account.chronograf.metadata.0.name
namespace = kubernetes_namespace.monitoring.metadata.0.name
}
}
resource "kubernetes_service_account" "chronograf" {
metadata {
name = "chronograf-sa"
namespace = kubernetes_namespace.monitoring.metadata.0.name
}
automount_service_account_token = false
}
resource "kubernetes_config_map" "chronograf" {
metadata {
name = "chronograf-resources"
namespace = kubernetes_namespace.monitoring.metadata.0.name
}
data = merge({
"default.org" = file("./resources/chronograf/default.org")
"internal.src" = file("./resources/chronograf/internal.src")
"internal.kap" = file("./resources/chronograf/internal.kap")
}, local.dashboards)
}
resource "kubernetes_deployment" "chronograf" {
depends_on = [
kubernetes_stateful_set.influxdb
]
metadata {
name = "chronograf"
namespace = kubernetes_namespace.monitoring.metadata.0.name
}
spec {
selector {
match_labels = {
app = "chronograf"
}
}
strategy {
type = "Recreate"
}
template {
metadata {
labels = {
app = "chronograf"
}
}
spec {
service_account_name = kubernetes_service_account.chronograf.metadata.0.name
automount_service_account_token = true
container {
name = "chronograf"
image = "chronograf:${local.chronograf_version}"
image_pull_policy = "IfNotPresent"
resources {
requests = {
memory = "100Mi"
}
}
liveness_probe {
tcp_socket {
port = "http"
}
initial_delay_seconds = 10
timeout_seconds = 5
period_seconds = 10
failure_threshold = 6
success_threshold = 1
}
readiness_probe {
tcp_socket {
port = "http"
}
initial_delay_seconds = 10
timeout_seconds = 5
period_seconds = 10
failure_threshold = 6
success_threshold = 1
}
security_context {
run_as_user = 1000
run_as_group = 1000
allow_privilege_escalation = false
}
env {
name = "RESOURCES_PATH"
value = "/usr/share/chronograf/resources"
}
port {
container_port = 8888
name = "http"
}
volume_mount {
mount_path = "/var/lib/chronograf"
name = "persistent-storage"
}
volume_mount {
mount_path = "/usr/share/chronograf/resources"
name = "config"
}
}
volume {
name = "persistent-storage"
host_path {
path = "${local.persistent_folder}/chronograf.data"
}
}
volume {
name = "config"
config_map {
name = kubernetes_config_map.chronograf.metadata.0.name
}
}
}
}
}
lifecycle {
replace_triggered_by = [
kubernetes_config_map.chronograf
]
}
}