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app_project_types.go
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app_project_types.go
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package v1alpha1
import (
fmt "fmt"
"sort"
"strconv"
strings "strings"
"github.com/argoproj/argo-cd/v2/util/git"
"github.com/argoproj/argo-cd/v2/util/glob"
"github.com/google/go-cmp/cmp"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// AppProjectList is list of AppProject resources
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
type AppProjectList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata" protobuf:"bytes,1,opt,name=metadata"`
Items []AppProject `json:"items" protobuf:"bytes,2,rep,name=items"`
}
// AppProject provides a logical grouping of applications, providing controls for:
// * where the apps may deploy to (cluster whitelist)
// * what may be deployed (repository whitelist, resource whitelist/blacklist)
// * who can access these applications (roles, OIDC group claims bindings)
// * and what they can do (RBAC policies)
// * automation access to these roles (JWT tokens)
// +genclient
// +genclient:noStatus
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +kubebuilder:resource:path=appprojects,shortName=appproj;appprojs
type AppProject struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata" protobuf:"bytes,1,opt,name=metadata"`
Spec AppProjectSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"`
Status AppProjectStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
}
// AppProjectStatus contains status information for AppProject CRs
type AppProjectStatus struct {
// JWTTokensByRole contains a list of JWT tokens issued for a given role
JWTTokensByRole map[string]JWTTokens `json:"jwtTokensByRole,omitempty" protobuf:"bytes,1,opt,name=jwtTokensByRole"`
}
// GetRoleByName returns the role in a project by the name with its index
func (p *AppProject) GetRoleByName(name string) (*ProjectRole, int, error) {
for i, role := range p.Spec.Roles {
if name == role.Name {
return &role, i, nil
}
}
return nil, -1, fmt.Errorf("role '%s' does not exist in project '%s'", name, p.Name)
}
// GetJWTTokenFromSpec looks up the index of a JWTToken in a project by id (new token), if not then by the issue at time (old token)
func (p *AppProject) GetJWTTokenFromSpec(roleName string, issuedAt int64, id string) (*JWTToken, int, error) {
// This is for backward compatibility. In the oder version, JWTTokens are stored under spec.role
role, _, err := p.GetRoleByName(roleName)
if err != nil {
return nil, -1, err
}
if id != "" {
for i, token := range role.JWTTokens {
if id == token.ID {
return &token, i, nil
}
}
}
if issuedAt != -1 {
for i, token := range role.JWTTokens {
if issuedAt == token.IssuedAt {
return &token, i, nil
}
}
}
return nil, -1, fmt.Errorf("JWT token for role '%s' issued at '%d' does not exist in project '%s'", role.Name, issuedAt, p.Name)
}
// GetJWTToken looks up the index of a JWTToken in a project by id (new token), if not then by the issue at time (old token)
func (p *AppProject) GetJWTToken(roleName string, issuedAt int64, id string) (*JWTToken, int, error) {
// This is for newer version, JWTTokens are stored under status
if id != "" {
for i, token := range p.Status.JWTTokensByRole[roleName].Items {
if id == token.ID {
return &token, i, nil
}
}
}
if issuedAt != -1 {
for i, token := range p.Status.JWTTokensByRole[roleName].Items {
if issuedAt == token.IssuedAt {
return &token, i, nil
}
}
}
return nil, -1, fmt.Errorf("JWT token for role '%s' issued at '%d' does not exist in project '%s'", roleName, issuedAt, p.Name)
}
// RemoveJWTToken removes the specified JWT from an AppProject
func (p AppProject) RemoveJWTToken(roleIndex int, issuedAt int64, id string) error {
roleName := p.Spec.Roles[roleIndex].Name
// For backward compatibility
_, jwtTokenIndex, err1 := p.GetJWTTokenFromSpec(roleName, issuedAt, id)
if err1 == nil {
p.Spec.Roles[roleIndex].JWTTokens[jwtTokenIndex] = p.Spec.Roles[roleIndex].JWTTokens[len(p.Spec.Roles[roleIndex].JWTTokens)-1]
p.Spec.Roles[roleIndex].JWTTokens = p.Spec.Roles[roleIndex].JWTTokens[:len(p.Spec.Roles[roleIndex].JWTTokens)-1]
}
// New location for storing JWTToken
_, jwtTokenIndex, err2 := p.GetJWTToken(roleName, issuedAt, id)
if err2 == nil {
p.Status.JWTTokensByRole[roleName].Items[jwtTokenIndex] = p.Status.JWTTokensByRole[roleName].Items[len(p.Status.JWTTokensByRole[roleName].Items)-1]
p.Status.JWTTokensByRole[roleName] = JWTTokens{Items: p.Status.JWTTokensByRole[roleName].Items[:len(p.Status.JWTTokensByRole[roleName].Items)-1]}
}
if err1 == nil || err2 == nil {
//If we find this token from either places, we can say there are no error
return nil
} else {
//If we could not locate this taken from either places, we can return any of the errors
return err2
}
}
// TODO: document this method
func (p *AppProject) ValidateJWTTokenID(roleName string, id string) error {
role, _, err := p.GetRoleByName(roleName)
if err != nil {
return err
}
if id == "" {
return nil
}
for _, token := range role.JWTTokens {
if id == token.ID {
return status.Errorf(codes.InvalidArgument, "Token id '%s' has been used. ", id)
}
}
return nil
}
func (p *AppProject) ValidateProject() error {
destKeys := make(map[string]bool)
for _, dest := range p.Spec.Destinations {
key := fmt.Sprintf("%s/%s", dest.Server, dest.Namespace)
if _, ok := destKeys[key]; ok {
return status.Errorf(codes.InvalidArgument, "destination '%s' already added", key)
}
destKeys[key] = true
}
srcRepos := make(map[string]bool)
for _, src := range p.Spec.SourceRepos {
if _, ok := srcRepos[src]; ok {
return status.Errorf(codes.InvalidArgument, "source repository '%s' already added", src)
}
srcRepos[src] = true
}
roleNames := make(map[string]bool)
for _, role := range p.Spec.Roles {
if _, ok := roleNames[role.Name]; ok {
return status.Errorf(codes.AlreadyExists, "role '%s' already exists", role.Name)
}
if err := validateRoleName(role.Name); err != nil {
return err
}
existingPolicies := make(map[string]bool)
for _, policy := range role.Policies {
if _, ok := existingPolicies[policy]; ok {
return status.Errorf(codes.AlreadyExists, "policy '%s' already exists for role '%s'", policy, role.Name)
}
if err := validatePolicy(p.Name, role.Name, policy); err != nil {
return err
}
existingPolicies[policy] = true
}
existingGroups := make(map[string]bool)
for _, group := range role.Groups {
if _, ok := existingGroups[group]; ok {
return status.Errorf(codes.AlreadyExists, "group '%s' already exists for role '%s'", group, role.Name)
}
if err := validateGroupName(group); err != nil {
return err
}
existingGroups[group] = true
}
roleNames[role.Name] = true
}
if p.Spec.SyncWindows.HasWindows() {
existingWindows := make(map[string]bool)
for _, window := range p.Spec.SyncWindows {
if _, ok := existingWindows[window.Kind+window.Schedule+window.Duration]; ok {
return status.Errorf(codes.AlreadyExists, "window '%s':'%s':'%s' already exists, update or edit", window.Kind, window.Schedule, window.Duration)
}
err := window.Validate()
if err != nil {
return err
}
if len(window.Applications) == 0 && len(window.Namespaces) == 0 && len(window.Clusters) == 0 {
return status.Errorf(codes.OutOfRange, "window '%s':'%s':'%s' requires one of application, cluster or namespace", window.Kind, window.Schedule, window.Duration)
}
existingWindows[window.Kind+window.Schedule+window.Duration] = true
}
}
return nil
}
// AddGroupToRole adds an OIDC group to a role
func (p *AppProject) AddGroupToRole(roleName, group string) (bool, error) {
role, roleIndex, err := p.GetRoleByName(roleName)
if err != nil {
return false, err
}
for _, roleGroup := range role.Groups {
if group == roleGroup {
return false, nil
}
}
role.Groups = append(role.Groups, group)
p.Spec.Roles[roleIndex] = *role
return true, nil
}
// RemoveGroupFromRole removes an OIDC group from a role
func (p *AppProject) RemoveGroupFromRole(roleName, group string) (bool, error) {
role, roleIndex, err := p.GetRoleByName(roleName)
if err != nil {
return false, err
}
for i, roleGroup := range role.Groups {
if group == roleGroup {
role.Groups = append(role.Groups[:i], role.Groups[i+1:]...)
p.Spec.Roles[roleIndex] = *role
return true, nil
}
}
return false, nil
}
// NormalizePolicies normalizes the policies in the project
func (p *AppProject) NormalizePolicies() {
for i, role := range p.Spec.Roles {
var normalizedPolicies []string
for _, policy := range role.Policies {
normalizedPolicies = append(normalizedPolicies, p.normalizePolicy(policy))
}
p.Spec.Roles[i].Policies = normalizedPolicies
}
}
func (p *AppProject) normalizePolicy(policy string) string {
policyComponents := strings.Split(policy, ",")
normalizedPolicy := ""
for _, component := range policyComponents {
if normalizedPolicy == "" {
normalizedPolicy = component
} else {
normalizedPolicy = fmt.Sprintf("%s, %s", normalizedPolicy, strings.Trim(component, " "))
}
}
return normalizedPolicy
}
// ProjectPoliciesString returns a Casbin formatted string of a project's policies for each role
func (proj *AppProject) ProjectPoliciesString() string {
var policies []string
for _, role := range proj.Spec.Roles {
projectPolicy := fmt.Sprintf("p, proj:%s:%s, projects, get, %s, allow", proj.ObjectMeta.Name, role.Name, proj.ObjectMeta.Name)
policies = append(policies, projectPolicy)
policies = append(policies, role.Policies...)
for _, groupName := range role.Groups {
policies = append(policies, fmt.Sprintf("g, %s, proj:%s:%s", groupName, proj.ObjectMeta.Name, role.Name))
}
}
return strings.Join(policies, "\n")
}
// IsGroupKindPermitted validates if the given resource group/kind is permitted to be deployed in the project
func (proj AppProject) IsGroupKindPermitted(gk schema.GroupKind, namespaced bool) bool {
var isWhiteListed, isBlackListed bool
res := metav1.GroupKind{Group: gk.Group, Kind: gk.Kind}
if namespaced {
namespaceWhitelist := proj.Spec.NamespaceResourceWhitelist
namespaceBlacklist := proj.Spec.NamespaceResourceBlacklist
isWhiteListed = namespaceWhitelist == nil || len(namespaceWhitelist) != 0 && isResourceInList(res, namespaceWhitelist)
isBlackListed = len(namespaceBlacklist) != 0 && isResourceInList(res, namespaceBlacklist)
return isWhiteListed && !isBlackListed
}
clusterWhitelist := proj.Spec.ClusterResourceWhitelist
clusterBlacklist := proj.Spec.ClusterResourceBlacklist
isWhiteListed = len(clusterWhitelist) != 0 && isResourceInList(res, clusterWhitelist)
isBlackListed = len(clusterBlacklist) != 0 && isResourceInList(res, clusterBlacklist)
return isWhiteListed && !isBlackListed
}
// IsLiveResourcePermitted returns whether a live resource found in the cluster is permitted by an AppProject
func (proj AppProject) IsLiveResourcePermitted(un *unstructured.Unstructured, server string, name string) bool {
return proj.IsResourcePermitted(un.GroupVersionKind().GroupKind(), un.GetNamespace(), ApplicationDestination{Server: server, Name: name})
}
func (proj AppProject) IsResourcePermitted(groupKind schema.GroupKind, namespace string, dest ApplicationDestination) bool {
if !proj.IsGroupKindPermitted(groupKind, namespace != "") {
return false
}
if namespace != "" {
return proj.IsDestinationPermitted(ApplicationDestination{Server: dest.Server, Name: dest.Name, Namespace: namespace})
}
return true
}
// HasFinalizer returns true if a resource finalizer is set on an AppProject
func (proj AppProject) HasFinalizer() bool {
return getFinalizerIndex(proj.ObjectMeta, ResourcesFinalizerName) > -1
}
// RemoveFinalizer removes a resource finalizer from an AppProject
func (proj *AppProject) RemoveFinalizer() {
setFinalizer(&proj.ObjectMeta, ResourcesFinalizerName, false)
}
func globMatch(pattern string, val string, separators ...rune) bool {
if pattern == "*" {
return true
}
return glob.Match(pattern, val, separators...)
}
// IsSourcePermitted validates if the provided application's source is a one of the allowed sources for the project.
func (proj AppProject) IsSourcePermitted(src ApplicationSource) bool {
srcNormalized := git.NormalizeGitURL(src.RepoURL)
for _, repoURL := range proj.Spec.SourceRepos {
normalized := git.NormalizeGitURL(repoURL)
if globMatch(normalized, srcNormalized, '/') {
return true
}
}
return false
}
// IsDestinationPermitted validates if the provided application's destination is one of the allowed destinations for the project
func (proj AppProject) IsDestinationPermitted(dst ApplicationDestination) bool {
for _, item := range proj.Spec.Destinations {
dstNameMatched := dst.Name != "" && globMatch(item.Name, dst.Name)
dstServerMatched := dst.Server != "" && globMatch(item.Server, dst.Server)
if (dstServerMatched || dstNameMatched) && globMatch(item.Namespace, dst.Namespace) {
return true
}
}
return false
}
// TODO: document this method
func (proj *AppProject) NormalizeJWTTokens() bool {
needNormalize := false
for i, role := range proj.Spec.Roles {
for j, token := range role.JWTTokens {
if token.ID == "" {
token.ID = strconv.FormatInt(token.IssuedAt, 10)
role.JWTTokens[j] = token
needNormalize = true
}
}
proj.Spec.Roles[i] = role
}
for _, roleTokenEntry := range proj.Status.JWTTokensByRole {
for j, token := range roleTokenEntry.Items {
if token.ID == "" {
token.ID = strconv.FormatInt(token.IssuedAt, 10)
roleTokenEntry.Items[j] = token
needNormalize = true
}
}
}
needSync := syncJWTTokenBetweenStatusAndSpec(proj)
return needNormalize || needSync
}
func syncJWTTokenBetweenStatusAndSpec(proj *AppProject) bool {
existingRole := map[string]bool{}
needSync := false
for roleIndex, role := range proj.Spec.Roles {
existingRole[role.Name] = true
tokensInSpec := role.JWTTokens
tokensInStatus := []JWTToken{}
if proj.Status.JWTTokensByRole == nil {
tokensByRole := make(map[string]JWTTokens)
proj.Status.JWTTokensByRole = tokensByRole
} else {
tokensInStatus = proj.Status.JWTTokensByRole[role.Name].Items
}
tokens := jwtTokensCombine(tokensInStatus, tokensInSpec)
sort.Slice(proj.Spec.Roles[roleIndex].JWTTokens, func(i, j int) bool {
return proj.Spec.Roles[roleIndex].JWTTokens[i].IssuedAt > proj.Spec.Roles[roleIndex].JWTTokens[j].IssuedAt
})
sort.Slice(proj.Status.JWTTokensByRole[role.Name].Items, func(i, j int) bool {
return proj.Status.JWTTokensByRole[role.Name].Items[i].IssuedAt > proj.Status.JWTTokensByRole[role.Name].Items[j].IssuedAt
})
if !cmp.Equal(tokens, proj.Spec.Roles[roleIndex].JWTTokens) || !cmp.Equal(tokens, proj.Status.JWTTokensByRole[role.Name].Items) {
needSync = true
}
proj.Spec.Roles[roleIndex].JWTTokens = tokens
proj.Status.JWTTokensByRole[role.Name] = JWTTokens{Items: tokens}
}
if proj.Status.JWTTokensByRole != nil {
for role := range proj.Status.JWTTokensByRole {
if !existingRole[role] {
delete(proj.Status.JWTTokensByRole, role)
needSync = true
}
}
}
return needSync
}
func jwtTokensCombine(tokens1 []JWTToken, tokens2 []JWTToken) []JWTToken {
tokensMap := make(map[string]JWTToken)
for _, token := range append(tokens1, tokens2...) {
tokensMap[token.ID] = token
}
var tokens []JWTToken
for _, v := range tokensMap {
tokens = append(tokens, v)
}
sort.Slice(tokens, func(i, j int) bool {
return tokens[i].IssuedAt > tokens[j].IssuedAt
})
return tokens
}