Tiller (Helm v2) is deployed
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Id: ca2fba76-c1a7-4afd-be67-5249f861cb0e
Cloud Provider: Kubernetes
Platform: Terraform
Severity: High
Category: Insecure Configurations
Learn More
Description
Check whether Tiller is deployed.
Detects references to Tiller in resource metadata and in container image fields.
Specifically inspects metadata.name, metadata.labels.app, metadata.labels.name, top-level spec, pod template spec.template, and both container and init_container entries for container images that contain tiller.
When a match is found, the rule reports an issue with attributes documentId, resourceType, resourceName, searchKey, issueType, keyExpectedValue, and keyActualValue.
Compliant Code Examples
resource "kubernetes_pod" "negative1" {
metadata {
name = "terraform-example"
}
spec {
container = [
{
image = "nginx:1.7.9"
name = "example22"
resources = {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
,
{
image = "nginx:1.7.9"
name = "example22222"
resources = {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
]
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_deployment" "example2" {
metadata {
name = "terraform-example"
labels = {
test = "MyExampleApp"
}
}
spec {
replicas = 3
selector {
match_labels = {
test = "MyExampleApp"
}
}
template {
metadata {
labels = {
test = "MyExampleApp"
}
}
spec {
volume = [
{
host_path = {
path = "/data"
type = "Directory"
}
}
,
{
host_path = {
path = "/data"
type = "Directory"
}
}
]
container {
image = "nginx:1.7.8"
name = "example"
resources {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
}
}
}
}
Non-Compliant Code Examples
resource "kubernetes_pod" "positive1" {
metadata {
name = "tiller-deploy"
}
spec {
container = [
{
image = "tiller-image"
name = "example22"
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
,
{
image = "nginx:1.7.9"
name = "example22222"
resources = {
requests = {
cpu = "250m"
memory = "50Mi"
}
}
env = {
name = "environment"
value = "test"
}
port = {
container_port = 8080
}
liveness_probe = {
http_get = {
path = "/nginx_status"
port = 80
http_header = {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
]
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_pod" "positive2" {
metadata {
name = "terraform-example"
}
spec {
container {
image = "tiller-image"
name = "example"
resources {
limits {
cpu = "0.5"
memory = "512Mi"
}
}
env {
name = "environment"
value = "test"
}
port {
container_port = 8080
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
dns_config {
nameservers = ["1.1.1.1", "8.8.8.8", "9.9.9.9"]
searches = ["example.com"]
option {
name = "ndots"
value = 1
}
option {
name = "use-vc"
}
}
dns_policy = "None"
}
}
resource "kubernetes_deployment" "example" {
metadata {
name = "terraform-example"
labels = {
test = "MyExampleApp"
}
}
spec {
replicas = 3
selector {
match_labels = {
test = "MyExampleApp"
}
}
template {
metadata {
labels = {
app = "helm"
}
}
spec {
volume = [
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
,
{
host_path = {
path = "/var/run/docker.sock"
type = "Directory"
}
}
]
container {
image = "tiller-image"
name = "example"
resources {
limits = {
cpu = "0.5"
memory = "512Mi"
}
requests = {
cpu = "250m"
memory = "50Mi"
}
}
liveness_probe {
http_get {
path = "/nginx_status"
port = 80
http_header {
name = "X-Custom-Header"
value = "Awesome"
}
}
initial_delay_seconds = 3
period_seconds = 3
}
}
}
}
}
}
