ContainerImage.Pinniped/test/library/env.go
2021-05-20 13:39:48 -07:00

287 lines
13 KiB
Go

// Copyright 2020-2021 the Pinniped contributors. All Rights Reserved.
// SPDX-License-Identifier: Apache-2.0
package library
import (
"encoding/base64"
"io/ioutil"
"os"
"sort"
"strings"
"sync"
"testing"
"github.com/stretchr/testify/require"
"sigs.k8s.io/yaml"
auth1alpha1 "go.pinniped.dev/generated/latest/apis/concierge/authentication/v1alpha1"
)
type Capability string
const (
ClusterSigningKeyIsAvailable Capability = "clusterSigningKeyIsAvailable"
AnonymousAuthenticationSupported Capability = "anonymousAuthenticationSupported"
HasExternalLoadBalancerProvider Capability = "hasExternalLoadBalancerProvider"
)
// TestEnv captures all the external parameters consumed by our integration tests.
type TestEnv struct {
t *testing.T
ToolsNamespace string `json:"toolsNamespace"`
ConciergeNamespace string `json:"conciergeNamespace"`
SupervisorNamespace string `json:"supervisorNamespace"`
ConciergeAppName string `json:"conciergeAppName"`
SupervisorAppName string `json:"supervisorAppName"`
SupervisorCustomLabels map[string]string `json:"supervisorCustomLabels"`
ConciergeCustomLabels map[string]string `json:"conciergeCustomLabels"`
Capabilities map[Capability]bool `json:"capabilities"`
TestWebhook auth1alpha1.WebhookAuthenticatorSpec `json:"testWebhook"`
SupervisorHTTPAddress string `json:"supervisorHttpAddress"`
SupervisorHTTPSAddress string `json:"supervisorHttpsAddress"`
SupervisorHTTPSIngressAddress string `json:"supervisorHttpsIngressAddress"`
SupervisorHTTPSIngressCABundle string `json:"supervisorHttpsIngressCABundle"`
Proxy string `json:"proxy"`
APIGroupSuffix string `json:"apiGroupSuffix"`
TestUser struct {
Token string `json:"token"`
ExpectedUsername string `json:"expectedUsername"`
ExpectedGroups []string `json:"expectedGroups"`
} `json:"testUser"`
CLIUpstreamOIDC TestOIDCUpstream `json:"cliOIDCUpstream"`
SupervisorUpstreamOIDC TestOIDCUpstream `json:"supervisorOIDCUpstream"`
SupervisorUpstreamLDAP TestLDAPUpstream `json:"supervisorLDAPUpstream"`
}
type TestOIDCUpstream struct {
Issuer string `json:"issuer"`
CABundle string `json:"caBundle"`
AdditionalScopes []string `json:"additionalScopes"`
UsernameClaim string `json:"usernameClaim"`
GroupsClaim string `json:"groupsClaim"`
ClientID string `json:"clientID"`
ClientSecret string `json:"clientSecret"`
CallbackURL string `json:"callback"`
Username string `json:"username"`
Password string `json:"password"`
ExpectedGroups []string `json:"expectedGroups"`
}
type TestLDAPUpstream struct {
Host string `json:"host"`
StartTLSOnlyHost string `json:"startTLSOnlyHost"`
CABundle string `json:"caBundle"`
BindUsername string `json:"bindUsername"`
BindPassword string `json:"bindPassword"`
UserSearchBase string `json:"userSearchBase"`
GroupSearchBase string `json:"groupSearchBase"`
TestUserDN string `json:"testUserDN"`
TestUserCN string `json:"testUserCN"`
TestUserPassword string `json:"testUserPassword"`
TestUserMailAttributeName string `json:"testUserMailAttributeName"`
TestUserMailAttributeValue string `json:"testUserMailAttributeValue"`
TestUserUniqueIDAttributeName string `json:"testUserUniqueIDAttributeName"`
TestUserUniqueIDAttributeValue string `json:"testUserUniqueIDAttributeValue"`
TestUserDirectGroupsCNs []string `json:"testUserDirectGroupsCNs"`
TestUserDirectGroupsDNs []string `json:"testUserDirectGroupsDNs"` //nolint:golint // this is "distinguished names", not "DNS"
}
// ProxyEnv returns a set of environment variable strings (e.g., to combine with os.Environ()) which set up the configured test HTTP proxy.
func (e *TestEnv) ProxyEnv() []string {
if e.Proxy == "" {
return nil
}
return []string{"http_proxy=" + e.Proxy, "https_proxy=" + e.Proxy, "no_proxy=127.0.0.1"}
}
// memoizedTestEnvsByTest maps *testing.T pointers to *TestEnv. It exists so that we don't do all the
// environment parsing N times per test and so that any implicit assertions happen only once.
var memoizedTestEnvsByTest sync.Map //nolint: gochecknoglobals
// IntegrationEnv gets the integration test environment from OS environment variables. This
// method also implies SkipUnlessIntegration().
func IntegrationEnv(t *testing.T) *TestEnv {
if existing, exists := memoizedTestEnvsByTest.Load(t); exists {
return existing.(*TestEnv)
}
t.Helper()
SkipUnlessIntegration(t)
capabilitiesDescriptionYAML := os.Getenv("PINNIPED_TEST_CLUSTER_CAPABILITY_YAML")
capabilitiesDescriptionFile := os.Getenv("PINNIPED_TEST_CLUSTER_CAPABILITY_FILE")
require.NotEmptyf(t,
capabilitiesDescriptionYAML+capabilitiesDescriptionFile,
"must specify either PINNIPED_TEST_CLUSTER_CAPABILITY_YAML or PINNIPED_TEST_CLUSTER_CAPABILITY_FILE env var for integration tests",
)
if capabilitiesDescriptionYAML == "" {
bytes, err := ioutil.ReadFile(capabilitiesDescriptionFile)
capabilitiesDescriptionYAML = string(bytes)
require.NoError(t, err)
}
var result TestEnv
err := yaml.Unmarshal([]byte(capabilitiesDescriptionYAML), &result)
require.NoErrorf(t, err, "capabilities specification was invalid YAML")
loadEnvVars(t, &result)
result.t = t
memoizedTestEnvsByTest.Store(t, &result)
// In every integration test, assert that no pods in our namespaces restart during the test.
assertNoRestartsDuringTest(t, result.ConciergeNamespace, "")
assertNoRestartsDuringTest(t, result.SupervisorNamespace, "")
return &result
}
func needEnv(t *testing.T, key string) string {
t.Helper()
value := os.Getenv(key)
require.NotEmptyf(t, value, "must specify %s env var for integration tests", key)
return value
}
func base64Decoded(t *testing.T, s string) string {
t.Helper()
if len(s) == 0 {
return s
}
bytes, err := base64.StdEncoding.DecodeString(s)
require.NoError(t, err)
return string(bytes)
}
func wantEnv(key, dephault string) string {
value, ok := os.LookupEnv(key)
if !ok {
return dephault
}
return value
}
func filterEmpty(ss []string) []string {
filtered := []string{}
for _, s := range ss {
if len(s) != 0 {
filtered = append(filtered, s)
}
}
return filtered
}
func loadEnvVars(t *testing.T, result *TestEnv) {
t.Helper()
result.ToolsNamespace = os.Getenv("PINNIPED_TEST_TOOLS_NAMESPACE")
result.ConciergeNamespace = needEnv(t, "PINNIPED_TEST_CONCIERGE_NAMESPACE")
result.ConciergeAppName = needEnv(t, "PINNIPED_TEST_CONCIERGE_APP_NAME")
result.TestUser.ExpectedUsername = needEnv(t, "PINNIPED_TEST_USER_USERNAME")
result.TestUser.ExpectedGroups = strings.Split(strings.ReplaceAll(needEnv(t, "PINNIPED_TEST_USER_GROUPS"), " ", ""), ",")
result.TestUser.Token = needEnv(t, "PINNIPED_TEST_USER_TOKEN")
result.TestWebhook.Endpoint = needEnv(t, "PINNIPED_TEST_WEBHOOK_ENDPOINT")
result.SupervisorNamespace = needEnv(t, "PINNIPED_TEST_SUPERVISOR_NAMESPACE")
result.SupervisorAppName = needEnv(t, "PINNIPED_TEST_SUPERVISOR_APP_NAME")
result.TestWebhook.TLS = &auth1alpha1.TLSSpec{CertificateAuthorityData: needEnv(t, "PINNIPED_TEST_WEBHOOK_CA_BUNDLE")}
result.SupervisorHTTPAddress = os.Getenv("PINNIPED_TEST_SUPERVISOR_HTTP_ADDRESS")
result.SupervisorHTTPSIngressAddress = os.Getenv("PINNIPED_TEST_SUPERVISOR_HTTPS_INGRESS_ADDRESS")
require.NotEmptyf(t,
result.SupervisorHTTPAddress+result.SupervisorHTTPSIngressAddress,
"must specify either PINNIPED_TEST_SUPERVISOR_HTTP_ADDRESS or PINNIPED_TEST_SUPERVISOR_HTTPS_INGRESS_ADDRESS env var (or both) for integration tests",
)
result.SupervisorHTTPSAddress = needEnv(t, "PINNIPED_TEST_SUPERVISOR_HTTPS_ADDRESS")
require.NotRegexp(t, "^[0-9]", result.SupervisorHTTPSAddress,
"PINNIPED_TEST_SUPERVISOR_HTTPS_ADDRESS must be a hostname with an optional port and cannot be an IP address",
)
result.SupervisorHTTPSIngressCABundle = base64Decoded(t, os.Getenv("PINNIPED_TEST_SUPERVISOR_HTTPS_INGRESS_CA_BUNDLE"))
conciergeCustomLabelsYAML := needEnv(t, "PINNIPED_TEST_CONCIERGE_CUSTOM_LABELS")
var conciergeCustomLabels map[string]string
err := yaml.Unmarshal([]byte(conciergeCustomLabelsYAML), &conciergeCustomLabels)
require.NoErrorf(t, err, "PINNIPED_TEST_CONCIERGE_CUSTOM_LABELS must be a YAML map of string to string")
result.ConciergeCustomLabels = conciergeCustomLabels
require.NotEmpty(t, result.ConciergeCustomLabels, "PINNIPED_TEST_CONCIERGE_CUSTOM_LABELS cannot be empty")
supervisorCustomLabelsYAML := needEnv(t, "PINNIPED_TEST_SUPERVISOR_CUSTOM_LABELS")
var supervisorCustomLabels map[string]string
err = yaml.Unmarshal([]byte(supervisorCustomLabelsYAML), &supervisorCustomLabels)
require.NoErrorf(t, err, "PINNIPED_TEST_SUPERVISOR_CUSTOM_LABELS must be a YAML map of string to string")
result.SupervisorCustomLabels = supervisorCustomLabels
require.NotEmpty(t, result.SupervisorCustomLabels, "PINNIPED_TEST_SUPERVISOR_CUSTOM_LABELS cannot be empty")
result.Proxy = os.Getenv("PINNIPED_TEST_PROXY")
result.APIGroupSuffix = wantEnv("PINNIPED_TEST_API_GROUP_SUFFIX", "pinniped.dev")
result.CLIUpstreamOIDC = TestOIDCUpstream{
Issuer: needEnv(t, "PINNIPED_TEST_CLI_OIDC_ISSUER"),
CABundle: base64Decoded(t, os.Getenv("PINNIPED_TEST_CLI_OIDC_ISSUER_CA_BUNDLE")),
ClientID: needEnv(t, "PINNIPED_TEST_CLI_OIDC_CLIENT_ID"),
CallbackURL: needEnv(t, "PINNIPED_TEST_CLI_OIDC_CALLBACK_URL"),
Username: needEnv(t, "PINNIPED_TEST_CLI_OIDC_USERNAME"),
Password: needEnv(t, "PINNIPED_TEST_CLI_OIDC_PASSWORD"),
}
result.SupervisorUpstreamOIDC = TestOIDCUpstream{
Issuer: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_ISSUER"),
CABundle: base64Decoded(t, os.Getenv("PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_ISSUER_CA_BUNDLE")),
AdditionalScopes: strings.Fields(os.Getenv("PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_ADDITIONAL_SCOPES")),
UsernameClaim: os.Getenv("PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_USERNAME_CLAIM"),
GroupsClaim: os.Getenv("PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_GROUPS_CLAIM"),
ClientID: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_CLIENT_ID"),
ClientSecret: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_CLIENT_SECRET"),
CallbackURL: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_CALLBACK_URL"),
Username: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_USERNAME"),
Password: needEnv(t, "PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_PASSWORD"),
ExpectedGroups: filterEmpty(strings.Split(strings.ReplaceAll(os.Getenv("PINNIPED_TEST_SUPERVISOR_UPSTREAM_OIDC_EXPECTED_GROUPS"), " ", ""), ",")),
}
result.SupervisorUpstreamLDAP = TestLDAPUpstream{
Host: needEnv(t, "PINNIPED_TEST_LDAP_HOST"),
StartTLSOnlyHost: needEnv(t, "PINNIPED_TEST_LDAP_STARTTLS_ONLY_HOST"),
CABundle: base64Decoded(t, os.Getenv("PINNIPED_TEST_LDAP_LDAPS_CA_BUNDLE")),
BindUsername: needEnv(t, "PINNIPED_TEST_LDAP_BIND_ACCOUNT_USERNAME"),
BindPassword: needEnv(t, "PINNIPED_TEST_LDAP_BIND_ACCOUNT_PASSWORD"),
UserSearchBase: needEnv(t, "PINNIPED_TEST_LDAP_USERS_SEARCH_BASE"),
GroupSearchBase: needEnv(t, "PINNIPED_TEST_LDAP_GROUPS_SEARCH_BASE"),
TestUserDN: needEnv(t, "PINNIPED_TEST_LDAP_USER_DN"),
TestUserCN: needEnv(t, "PINNIPED_TEST_LDAP_USER_CN"),
TestUserUniqueIDAttributeName: needEnv(t, "PINNIPED_TEST_LDAP_USER_UNIQUE_ID_ATTRIBUTE_NAME"),
TestUserUniqueIDAttributeValue: needEnv(t, "PINNIPED_TEST_LDAP_USER_UNIQUE_ID_ATTRIBUTE_VALUE"),
TestUserMailAttributeName: needEnv(t, "PINNIPED_TEST_LDAP_USER_EMAIL_ATTRIBUTE_NAME"),
TestUserMailAttributeValue: needEnv(t, "PINNIPED_TEST_LDAP_USER_EMAIL_ATTRIBUTE_VALUE"),
TestUserDirectGroupsCNs: filterEmpty(strings.Split(needEnv(t, "PINNIPED_TEST_LDAP_EXPECTED_DIRECT_GROUPS_CN"), ";")),
TestUserDirectGroupsDNs: filterEmpty(strings.Split(needEnv(t, "PINNIPED_TEST_LDAP_EXPECTED_DIRECT_GROUPS_DN"), ";")),
TestUserPassword: needEnv(t, "PINNIPED_TEST_LDAP_USER_PASSWORD"),
}
sort.Strings(result.SupervisorUpstreamLDAP.TestUserDirectGroupsCNs)
sort.Strings(result.SupervisorUpstreamLDAP.TestUserDirectGroupsDNs)
}
func (e *TestEnv) HasCapability(cap Capability) bool {
e.t.Helper()
isCapable, capabilityWasDescribed := e.Capabilities[cap]
require.Truef(e.t, capabilityWasDescribed, "the %q capability of the test environment was not described", cap)
return isCapable
}
func (e *TestEnv) WithCapability(cap Capability) *TestEnv {
e.t.Helper()
if !e.HasCapability(cap) {
e.t.Skipf("skipping integration test because test environment lacks the %q capability", cap)
}
return e
}
func (e *TestEnv) WithoutCapability(cap Capability) *TestEnv {
e.t.Helper()
if e.HasCapability(cap) {
e.t.Skipf("skipping integration test because test environment has the %q capability", cap)
}
return e
}