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package master_test
import (
. "check/validators/master"
. "github.com/onsi/ginkgo/extensions/table"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Api", func() {
var (
// kubeApiServerCISCompliant uses secure defaults or follows CIS guidelines explicitly.
kubeApiServerCISCompliant = []string{
"--anonymous-auth=false",
"--insecure-port=0",
"--profiling=false",
"--repair-malformed-updates=false",
"--service-account-lookup=true",
"--enable-admission-plugins=NamespaceLifecycle,LimitRanger,ServiceAccount," +
"TaintNodesByCondition,Priority,DefaultTolerationSeconds,DefaultStorageClass," +
"PersistentVolumeClaimResize,MutatingAdmissionWebhook,ValidatingAdmissionWebhook," +
"ResourceQuota,AlwaysPullImages,DenyEscalatingExec,SecurityContextDeny," +
"PodSecurityPolicy,NodeRestriction,EventRateLimit",
}
// kubeApiServerCasablanca was obtained from virtual environment for testing
// (introduced in Change-Id: I57f9f3caac0e8b391e9ed480f6bebba98e006882).
kubeApiServerCasablanca = []string{
"--storage-backend=etcd2",
"--storage-media-type=application/json",
"--service-cluster-ip-range=10.43.0.0/16",
"--etcd-servers=https://etcd.kubernetes.rancher.internal:2379",
"--insecure-bind-address=0.0.0.0",
"--insecure-port=0",
"--cloud-provider=rancher",
"--allow-privileged=true",
"--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount," +
"PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,ResourceQuota",
"--client-ca-file=/etc/kubernetes/ssl/ca.pem",
"--tls-cert-file=/etc/kubernetes/ssl/cert.pem",
"--tls-private-key-file=/etc/kubernetes/ssl/key.pem",
"--kubelet-client-certificate=/etc/kubernetes/ssl/cert.pem",
"--kubelet-client-key=/etc/kubernetes/ssl/key.pem",
"--runtime-config=batch/v2alpha1",
"--anonymous-auth=false",
"--authentication-token-webhook-config-file=/etc/kubernetes/authconfig",
"--runtime-config=authentication.k8s.io/v1beta1=true",
"--external-hostname=kubernetes.kubernetes.rancher.internal",
"--etcd-cafile=/etc/kubernetes/etcd/ca.pem",
"--etcd-certfile=/etc/kubernetes/etcd/cert.pem",
"--etcd-keyfile=/etc/kubernetes/etcd/key.pem",
"--tls-cipher-suites=TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256," +
"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305," +
"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384," +
"TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
}
// kubeApiServerCasablanca was obtained from virtual environment for testing
// (introduced in Change-Id: I54ada5fade3b984dedd1715f20579e3ce901faa3).
kubeApiServerDublin = []string{
"--requestheader-group-headers=X-Remote-Group",
"--proxy-client-cert-file=/etc/kubernetes/ssl/kube-apiserver-proxy-client.pem",
"--bind-address=0.0.0.0",
"--tls-cipher-suites=TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256," +
"TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305," +
"TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384," +
"TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305",
"--cloud-provider=",
"--etcd-cafile=/etc/kubernetes/ssl/kube-ca.pem",
"--etcd-servers=https://172.17.0.100:2379",
"--tls-cert-file=/etc/kubernetes/ssl/kube-apiserver.pem",
"--enable-admission-plugins=NamespaceLifecycle,LimitRanger,ServiceAccount," +
"DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook," +
"ValidatingAdmissionWebhook,ResourceQuota,NodeRestriction,PersistentVolumeLabel",
"--insecure-port=0",
"--secure-port=6443",
"--storage-backend=etcd3",
"--kubelet-client-key=/etc/kubernetes/ssl/kube-apiserver-key.pem",
"--requestheader-client-ca-file=/etc/kubernetes/ssl/kube-apiserver-requestheader-ca.pem",
"--service-account-key-file=/etc/kubernetes/ssl/kube-service-account-token-key.pem",
"--service-node-port-range=30000-32767",
"--tls-private-key-file=/etc/kubernetes/ssl/kube-apiserver-key.pem",
"--requestheader-username-headers=X-Remote-User",
"--repair-malformed-updates=false",
"--kubelet-client-certificate=/etc/kubernetes/ssl/kube-apiserver.pem",
"--service-cluster-ip-range=10.43.0.0/16",
"--advertise-address=172.17.0.100",
"--profiling=false",
"--requestheader-extra-headers-prefix=X-Remote-Extra-",
"--etcd-certfile=/etc/kubernetes/ssl/kube-node.pem",
"--anonymous-auth=false",
"--etcd-keyfile=/etc/kubernetes/ssl/kube-node-key.pem",
"--etcd-prefix=/registry",
"--client-ca-file=/etc/kubernetes/ssl/kube-ca.pem",
"--kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname",
"--requestheader-allowed-names=kube-apiserver-proxy-client",
"--service-account-lookup=true",
"--proxy-client-key-file=/etc/kubernetes/ssl/kube-apiserver-proxy-client-key.pem",
"--authorization-mode=Node,RBAC",
"--allow-privileged=true",
}
)
Describe("Boolean flags", func() {
DescribeTable("Basic authentication file",
func(params []string, expected bool) {
Expect(IsBasicAuthFileAbsent(params)).To(Equal(expected))
},
Entry("Is not absent on insecure cluster", []string{"--basic-auth-file=/path/to/file"}, false),
Entry("Should be absent on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Token authentication file",
func(params []string, expected bool) {
Expect(IsTokenAuthFileAbsent(params)).To(Equal(expected))
},
Entry("Is not absent on insecure cluster", []string{"--token-auth-file=/path/to/file"}, false),
Entry("Should be absent on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Accepting any token",
func(params []string, expected bool) {
Expect(IsInsecureAllowAnyTokenAbsent(params)).To(Equal(expected))
},
Entry("Is not absent on insecure cluster", []string{"--insecure-allow-any-token"}, false),
Entry("Should be absent on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Anonymous requests",
func(params []string, expected bool) {
Expect(IsAnonymousAuthDisabled(params)).To(Equal(expected))
},
Entry("Is not set on insecure cluster", []string{}, false),
Entry("Should be set to false on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be set to false on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be set to false on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("HTTPS for kubelet",
func(params []string, expected bool) {
Expect(IsKubeletHTTPSAbsentOrEnabled(params)).To(Equal(expected))
},
Entry("Is explicitly disabled on insecure cluster", []string{"--kubelet-https=false"}, false),
Entry("Should be absent or set to true on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent or set to true on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent or set to true on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Bind address",
func(params []string, expected bool) {
Expect(IsInsecureBindAddressAbsentOrLoopback(params)).To(Equal(expected))
},
Entry("Is not absent on insecure cluster", []string{"--insecure-bind-address=1.2.3.4"}, false),
Entry("Is not absent nor set to loopback on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Should be absent or set to loopback on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent or set to loopback on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Bind port",
func(params []string, expected bool) {
Expect(IsInsecurePortUnbound(params)).To(Equal(expected))
},
Entry("Is not set on insecure cluster", []string{}, false),
Entry("Is explicitly enabled on insecure cluster", []string{"--insecure-port=1234"}, false),
Entry("Should be set to 0 on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be set to 0 on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be set to 0 on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Secure bind port",
func(params []string, expected bool) {
Expect(IsSecurePortAbsentOrValid(params)).To(Equal(expected))
},
Entry("Is explicitly disabled on insecure cluster", []string{"--secure-port=0"}, false),
Entry("Should be absent or set to valid port on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent or set to valid port on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent or set to valid port on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Profiling",
func(params []string, expected bool) {
Expect(IsProfilingDisabled(params)).To(Equal(expected))
},
Entry("Is not set on insecure cluster", []string{}, false),
Entry("Is explicitly enabled on insecure cluster", []string{"--profiling=true"}, false),
Entry("Is not set on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Should be set to false on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be set to false on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Repairing malformed updates",
func(params []string, expected bool) {
Expect(IsRepairMalformedUpdatesDisabled(params)).To(Equal(expected))
},
Entry("Is not set on insecure cluster", []string{}, false),
Entry("Is explicitly enabled on insecure cluster", []string{"--repair-malformed-updates=true"}, false),
Entry("Is not set on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Should be set to false on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be set to false on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("Service account lookup",
func(params []string, expected bool) {
Expect(IsServiceAccountLookupEnabled(params)).To(Equal(expected))
},
Entry("Is not set on insecure cluster", []string{}, false),
Entry("Is explicitly disabled on insecure cluster", []string{"--service-account-lookup=false"}, false),
Entry("Is not set on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Should be set to true on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be set to true on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("AlwaysAdmit admission control plugin",
func(params []string, expected bool) {
Expect(IsAlwaysAdmitAdmissionControlPluginExcluded(params)).To(Equal(expected))
},
Entry("Is not absent on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar,AlwaysAdmit,Baz,Quuz"}, false),
Entry("Is not absent on insecure deprecated cluster", []string{"--admission-control=Foo,Bar,AlwaysAdmit,Baz,Quuz"}, false),
Entry("Should be absent on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be absent on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be absent on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("AlwaysPullImages admission control plugin",
func(params []string, expected bool) {
Expect(IsAlwaysPullImagesAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Is not present on Dublin cluster", kubeApiServerDublin, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
)
DescribeTable("DenyEscalatingExec admission control plugin",
func(params []string, expected bool) {
Expect(IsDenyEscalatingExecAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Is not present on Dublin cluster", kubeApiServerDublin, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
)
DescribeTable("SecurityContextDeny admission control plugin",
func(params []string, expected bool) {
Expect(IsSecurityContextDenyAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Is not present on Dublin cluster", kubeApiServerDublin, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
)
DescribeTable("PodSecurityPolicy admission control plugin",
func(params []string, expected bool) {
Expect(IsPodSecurityPolicyAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Is not present on Dublin cluster", kubeApiServerDublin, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
)
DescribeTable("ServiceAccount admission control plugin",
func(params []string, expected bool) {
Expect(IsServiceAccountAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be present on Casablanca cluster", kubeApiServerCasablanca, true),
Entry("Should be present on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("NodeRestriction admission control plugin",
func(params []string, expected bool) {
Expect(IsNodeRestrictionAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
Entry("Should be present on Dublin cluster", kubeApiServerDublin, true),
)
DescribeTable("EventRateLimit admission control plugin",
func(params []string, expected bool) {
Expect(IsEventRateLimitAdmissionControlPluginIncluded(params)).To(Equal(expected))
},
Entry("Is not present on insecure cluster", []string{"--enable-admission-plugins=Foo,Bar"}, false),
Entry("Is not present on insecure deprecated cluster", []string{"--admission-control=Foo,Bar"}, false),
Entry("Is not present on Casablanca cluster", kubeApiServerCasablanca, false),
Entry("Is not present on Dublin cluster", kubeApiServerDublin, false),
Entry("Should be present on CIS-compliant cluster", kubeApiServerCISCompliant, true),
)
})
})
|
