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main.tf
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main.tf
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##############################################################################
# observability-agents-module
#
# Module Description
##############################################################################
data "ibm_container_vpc_cluster" "cluster" {
name = var.cluster_id
resource_group_id = var.cluster_resource_group_id
}
data "ibm_container_cluster_config" "cluster_config" {
cluster_name_id = var.cluster_id
resource_group_id = var.cluster_resource_group_id
config_dir = "${path.module}/kubeconfig"
}
##############################################################################
# NOTE ABOUT DATA INSTANCE LOOKUP
# Since data resource lookups are performed always, including plan phase,
# there were situations where these calls errored out during initial plan
# before resources exist. This was due to the NAME attribute of the instances
# NOT being generated values (known after apply).
# Adding a "depends_on" to each block to make them depend on their appropriate
# access/ingestion key values, since those are generated and forces data lookup
# to be delayed until resources are applied.
##############################################################################
data "ibm_resource_instance" "logdna_instance" {
count = var.logdna_enabled ? 1 : 0
name = var.logdna_instance_name
resource_group_id = local.logdna_resource_group_id
service = "logdna"
depends_on = [var.logdna_ingestion_key] # see NOTE above
}
data "ibm_resource_instance" "sysdig_instance" {
count = var.sysdig_enabled ? 1 : 0
name = var.sysdig_instance_name
resource_group_id = local.sysdig_resource_group_id
service = "sysdig-monitor"
depends_on = [var.sysdig_access_key] # see NOTE above
}
locals {
logdna_secret_name = "logdna-agent" #checkov:skip=CKV_SECRET_6
cluster_name = data.ibm_container_vpc_cluster.cluster.name
logdna_chart_location = "${path.module}/chart/logdna-agent"
logdna_resource_group_id = var.logdna_resource_group_id != null ? var.logdna_resource_group_id : var.cluster_resource_group_id
logdna_agent_namespace = "ibm-observe"
logdna_agent_registry = "icr.io/ext/logdna-agent"
logdna_key_validate_condition = var.logdna_enabled == true && var.logdna_ingestion_key == null
logdna_key_validate_msg = "Values for 'logdna_ingestion_key' variables must be passed when 'logdna_enabled = true'"
# tflint-ignore: terraform_unused_declarations
logdna_key_validate_check = regex("^${local.logdna_key_validate_msg}$", (!local.logdna_key_validate_condition ? local.logdna_key_validate_msg : ""))
sysdig_chart_location = "${path.module}/chart/sysdig-agent"
sysdig_resource_group_id = var.sysdig_resource_group_id != null ? var.sysdig_resource_group_id : var.cluster_resource_group_id
sysdig_agent_registry = "icr.io/ext/sysdig/agent"
sysdig_agent_namespace = "ibm-observe"
sysdig_key_validate_condition = var.sysdig_enabled == true && var.sysdig_access_key == null
sysdig_key_validate_msg = "Values for 'sysdig_access_key' variables must be passed when 'sysdig_enabled = true'"
# tflint-ignore: terraform_unused_declarations
sysdig_key_validate_check = regex("^${local.sysdig_key_validate_msg}$", (!local.sysdig_key_validate_condition ? local.sysdig_key_validate_msg : ""))
}
/** LogDNA Configuration Start **/
resource "helm_release" "logdna_agent" {
count = var.logdna_enabled ? 1 : 0
name = "logdna-agent"
chart = local.logdna_chart_location
namespace = local.logdna_agent_namespace
create_namespace = true
timeout = 1200
wait = true
recreate_pods = true
force_update = true
set {
name = "image.version"
type = "string"
value = var.logdna_agent_version
}
set {
name = "image.registry"
type = "string"
value = local.logdna_agent_registry
}
set {
name = "env.region"
type = "string"
value = data.ibm_resource_instance.logdna_instance[0].location
}
set {
name = "secret.name"
type = "string"
value = local.logdna_secret_name
}
set_sensitive {
name = "secret.key"
type = "string"
value = var.logdna_ingestion_key
}
set {
name = "agent.tags"
type = "string"
value = join("\\,", var.logdna_agent_tags)
}
provisioner "local-exec" {
command = "${path.module}/scripts/confirm-rollout-status.sh logdna-agent ${local.logdna_agent_namespace}"
interpreter = ["/bin/bash", "-c"]
environment = {
KUBECONFIG = data.ibm_container_cluster_config.cluster_config.config_file_path
}
}
}
/** LogDNA Configuration End **/
/** Sysdig Configuration Start **/
resource "helm_release" "sysdig_agent" {
count = var.sysdig_enabled ? 1 : 0
name = "sysdig-agent"
chart = local.sysdig_chart_location
namespace = local.sysdig_agent_namespace
create_namespace = true
timeout = 1200
wait = true
recreate_pods = true
force_update = true
set {
name = "image.version"
type = "string"
value = var.sysdig_agent_version
}
set {
name = "image.registry"
type = "string"
value = local.sysdig_agent_registry
}
set {
name = "config.clustername"
type = "string"
value = local.cluster_name
}
set {
name = "config.region"
type = "string"
value = data.ibm_resource_instance.sysdig_instance[0].location
}
set_sensitive {
name = "secret.key"
type = "string"
value = var.sysdig_access_key
}
provisioner "local-exec" {
command = "${path.module}/scripts/confirm-rollout-status.sh sysdig-agent ${local.sysdig_agent_namespace}"
interpreter = ["/bin/bash", "-c"]
environment = {
KUBECONFIG = data.ibm_container_cluster_config.cluster_config.config_file_path
}
}
}
/** Sysdig Configuration End **/