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types.go
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types.go
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package v1alpha1
import (
"encoding/json"
"fmt"
"math"
"net"
"net/http"
"os"
"path/filepath"
"reflect"
"regexp"
"sort"
"strconv"
"strings"
"time"
"github.com/argoproj/gitops-engine/pkg/health"
synccommon "github.com/argoproj/gitops-engine/pkg/sync/common"
"github.com/ghodss/yaml"
"github.com/robfig/cron"
log "github.com/sirupsen/logrus"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime/schema"
utilnet "k8s.io/apimachinery/pkg/util/net"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/client-go/rest"
"k8s.io/client-go/tools/clientcmd"
"k8s.io/client-go/tools/clientcmd/api"
"github.com/argoproj/argo-cd/v2/util/collections"
"github.com/argoproj/argo-cd/v2/util/helm"
)
// Application is a definition of Application resource.
// +genclient
// +genclient:noStatus
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
// +kubebuilder:resource:path=applications,shortName=app;apps
// +kubebuilder:printcolumn:name="Sync Status",type=string,JSONPath=`.status.sync.status`
// +kubebuilder:printcolumn:name="Health Status",type=string,JSONPath=`.status.health.status`
// +kubebuilder:printcolumn:name="Revision",type=string,JSONPath=`.status.sync.revision`,priority=10
type Application struct {
metav1.TypeMeta `json:",inline"`
metav1.ObjectMeta `json:"metadata" protobuf:"bytes,1,opt,name=metadata"`
Spec ApplicationSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"`
Status ApplicationStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
Operation *Operation `json:"operation,omitempty" protobuf:"bytes,4,opt,name=operation"`
}
// ApplicationSpec represents desired application state. Contains link to repository with application definition and additional parameters link definition revision.
type ApplicationSpec struct {
// Source is a reference to the location of the application's manifests or chart
Source ApplicationSource `json:"source" protobuf:"bytes,1,opt,name=source"`
// Destination is a reference to the target Kubernetes server and namespace
Destination ApplicationDestination `json:"destination" protobuf:"bytes,2,name=destination"`
// Project is a reference to the project this application belongs to.
// The empty string means that application belongs to the 'default' project.
Project string `json:"project" protobuf:"bytes,3,name=project"`
// SyncPolicy controls when and how a sync will be performed
SyncPolicy *SyncPolicy `json:"syncPolicy,omitempty" protobuf:"bytes,4,name=syncPolicy"`
// IgnoreDifferences is a list of resources and their fields which should be ignored during comparison
IgnoreDifferences []ResourceIgnoreDifferences `json:"ignoreDifferences,omitempty" protobuf:"bytes,5,name=ignoreDifferences"`
// Info contains a list of information (URLs, email addresses, and plain text) that relates to the application
Info []Info `json:"info,omitempty" protobuf:"bytes,6,name=info"`
// RevisionHistoryLimit limits the number of items kept in the application's revision history, which is used for informational purposes as well as for rollbacks to previous versions.
// This should only be changed in exceptional circumstances.
// Setting to zero will store no history. This will reduce storage used.
// Increasing will increase the space used to store the history, so we do not recommend increasing it.
// Default is 10.
RevisionHistoryLimit *int64 `json:"revisionHistoryLimit,omitempty" protobuf:"bytes,7,name=revisionHistoryLimit"`
}
type TrackingMethod string
// ResourceIgnoreDifferences contains resource filter and list of json paths which should be ignored during comparison with live state.
type ResourceIgnoreDifferences struct {
Group string `json:"group,omitempty" protobuf:"bytes,1,opt,name=group"`
Kind string `json:"kind" protobuf:"bytes,2,opt,name=kind"`
Name string `json:"name,omitempty" protobuf:"bytes,3,opt,name=name"`
Namespace string `json:"namespace,omitempty" protobuf:"bytes,4,opt,name=namespace"`
JSONPointers []string `json:"jsonPointers,omitempty" protobuf:"bytes,5,opt,name=jsonPointers"`
JQPathExpressions []string `json:"jqPathExpressions,omitempty" protobuf:"bytes,6,opt,name=jqPathExpressions"`
// ManagedFieldsManagers is a list of trusted managers. Fields mutated by those managers will take precedence over the
// desired state defined in the SCM and won't be displayed in diffs
ManagedFieldsManagers []string `json:"managedFieldsManagers,omitempty" protobuf:"bytes,7,opt,name=managedFieldsManagers"`
}
// EnvEntry represents an entry in the application's environment
type EnvEntry struct {
// Name is the name of the variable, usually expressed in uppercase
Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
// Value is the value of the variable
Value string `json:"value" protobuf:"bytes,2,opt,name=value"`
}
// IsZero returns true if a variable is considered empty or unset
func (a *EnvEntry) IsZero() bool {
return a == nil || a.Name == "" && a.Value == ""
}
// NewEnvEntry parses a string in format name=value and returns an EnvEntry object
func NewEnvEntry(text string) (*EnvEntry, error) {
parts := strings.SplitN(text, "=", 2)
if len(parts) != 2 {
return nil, fmt.Errorf("Expected env entry of the form: param=value. Received: %s", text)
}
return &EnvEntry{
Name: parts[0],
Value: parts[1],
}, nil
}
// Env is a list of environment variable entries
type Env []*EnvEntry
// IsZero returns true if a list of variables is considered empty
func (e Env) IsZero() bool {
return len(e) == 0
}
// Environ returns a list of environment variables in name=value format from a list of variables
func (e Env) Environ() []string {
var environ []string
for _, item := range e {
if !item.IsZero() {
environ = append(environ, fmt.Sprintf("%s=%s", item.Name, item.Value))
}
}
return environ
}
// Envsubst interpolates variable references in a string from a list of variables
func (e Env) Envsubst(s string) string {
valByEnv := map[string]string{}
for _, item := range e {
valByEnv[item.Name] = item.Value
}
return os.Expand(s, func(s string) string {
// allow escaping $ with $$
if s == "$" {
return "$"
} else {
return valByEnv[s]
}
})
}
// ApplicationSource contains all required information about the source of an application
type ApplicationSource struct {
// RepoURL is the URL to the repository (Git or Helm) that contains the application manifests
RepoURL string `json:"repoURL" protobuf:"bytes,1,opt,name=repoURL"`
// Path is a directory path within the Git repository, and is only valid for applications sourced from Git.
Path string `json:"path,omitempty" protobuf:"bytes,2,opt,name=path"`
// TargetRevision defines the revision of the source to sync the application to.
// In case of Git, this can be commit, tag, or branch. If omitted, will equal to HEAD.
// In case of Helm, this is a semver tag for the Chart's version.
TargetRevision string `json:"targetRevision,omitempty" protobuf:"bytes,4,opt,name=targetRevision"`
// Helm holds helm specific options
Helm *ApplicationSourceHelm `json:"helm,omitempty" protobuf:"bytes,7,opt,name=helm"`
// Kustomize holds kustomize specific options
Kustomize *ApplicationSourceKustomize `json:"kustomize,omitempty" protobuf:"bytes,8,opt,name=kustomize"`
// Ksonnet holds ksonnet specific options
Ksonnet *ApplicationSourceKsonnet `json:"ksonnet,omitempty" protobuf:"bytes,9,opt,name=ksonnet"`
// Directory holds path/directory specific options
Directory *ApplicationSourceDirectory `json:"directory,omitempty" protobuf:"bytes,10,opt,name=directory"`
// ConfigManagementPlugin holds config management plugin specific options
Plugin *ApplicationSourcePlugin `json:"plugin,omitempty" protobuf:"bytes,11,opt,name=plugin"`
// Chart is a Helm chart name, and must be specified for applications sourced from a Helm repo.
Chart string `json:"chart,omitempty" protobuf:"bytes,12,opt,name=chart"`
}
// AllowsConcurrentProcessing returns true if given application source can be processed concurrently
func (a *ApplicationSource) AllowsConcurrentProcessing() bool {
switch {
// Kustomize with parameters requires changing kustomization.yaml file
case a.Kustomize != nil:
return a.Kustomize.AllowsConcurrentProcessing()
// Kustomize with parameters requires changing params.libsonnet file
case a.Ksonnet != nil:
return a.Ksonnet.AllowsConcurrentProcessing()
}
return true
}
// IsHelm returns true when the application source is of type Helm
func (a *ApplicationSource) IsHelm() bool {
return a.Chart != ""
}
// IsHelmOci returns true when the application source is of type Helm OCI
func (a *ApplicationSource) IsHelmOci() bool {
if a.Chart == "" {
return false
}
return helm.IsHelmOciRepo(a.RepoURL)
}
// IsZero returns true if the application source is considered empty
func (a *ApplicationSource) IsZero() bool {
return a == nil ||
a.RepoURL == "" &&
a.Path == "" &&
a.TargetRevision == "" &&
a.Helm.IsZero() &&
a.Kustomize.IsZero() &&
a.Ksonnet.IsZero() &&
a.Directory.IsZero() &&
a.Plugin.IsZero()
}
// ApplicationSourceType specifies the type of the application's source
type ApplicationSourceType string
const (
ApplicationSourceTypeHelm ApplicationSourceType = "Helm"
ApplicationSourceTypeKustomize ApplicationSourceType = "Kustomize"
ApplicationSourceTypeKsonnet ApplicationSourceType = "Ksonnet"
ApplicationSourceTypeDirectory ApplicationSourceType = "Directory"
ApplicationSourceTypePlugin ApplicationSourceType = "Plugin"
)
// RefreshType specifies how to refresh the sources of a given application
type RefreshType string
const (
RefreshTypeNormal RefreshType = "normal"
RefreshTypeHard RefreshType = "hard"
)
// ApplicationSourceHelm holds helm specific options
type ApplicationSourceHelm struct {
// ValuesFiles is a list of Helm value files to use when generating a template
ValueFiles []string `json:"valueFiles,omitempty" protobuf:"bytes,1,opt,name=valueFiles"`
// Parameters is a list of Helm parameters which are passed to the helm template command upon manifest generation
Parameters []HelmParameter `json:"parameters,omitempty" protobuf:"bytes,2,opt,name=parameters"`
// ReleaseName is the Helm release name to use. If omitted it will use the application name
ReleaseName string `json:"releaseName,omitempty" protobuf:"bytes,3,opt,name=releaseName"`
// Values specifies Helm values to be passed to helm template, typically defined as a block
Values string `json:"values,omitempty" protobuf:"bytes,4,opt,name=values"`
// FileParameters are file parameters to the helm template
FileParameters []HelmFileParameter `json:"fileParameters,omitempty" protobuf:"bytes,5,opt,name=fileParameters"`
// Version is the Helm version to use for templating (either "2" or "3")
Version string `json:"version,omitempty" protobuf:"bytes,6,opt,name=version"`
// PassCredentials pass credentials to all domains (Helm's --pass-credentials)
PassCredentials bool `json:"passCredentials,omitempty" protobuf:"bytes,7,opt,name=passCredentials"`
// IgnoreMissingValueFiles prevents helm template from failing when valueFiles do not exist locally by not appending them to helm template --values
IgnoreMissingValueFiles bool `json:"ignoreMissingValueFiles,omitempty" protobuf:"bytes,8,opt,name=ignoreMissingValueFiles"`
// SkipCrds skips custom resource definition installation step (Helm's --skip-crds)
SkipCrds bool `json:"skipCrds,omitempty" protobuf:"bytes,9,opt,name=skipCrds"`
}
// HelmParameter is a parameter that's passed to helm template during manifest generation
type HelmParameter struct {
// Name is the name of the Helm parameter
Name string `json:"name,omitempty" protobuf:"bytes,1,opt,name=name"`
// Value is the value for the Helm parameter
Value string `json:"value,omitempty" protobuf:"bytes,2,opt,name=value"`
// ForceString determines whether to tell Helm to interpret booleans and numbers as strings
ForceString bool `json:"forceString,omitempty" protobuf:"bytes,3,opt,name=forceString"`
}
// HelmFileParameter is a file parameter that's passed to helm template during manifest generation
type HelmFileParameter struct {
// Name is the name of the Helm parameter
Name string `json:"name,omitempty" protobuf:"bytes,1,opt,name=name"`
// Path is the path to the file containing the values for the Helm parameter
Path string `json:"path,omitempty" protobuf:"bytes,2,opt,name=path"`
}
var helmParameterRx = regexp.MustCompile(`([^\\]),`)
// NewHelmParameter parses a string in format name=value into a HelmParameter object and returns it
func NewHelmParameter(text string, forceString bool) (*HelmParameter, error) {
parts := strings.SplitN(text, "=", 2)
if len(parts) != 2 {
return nil, fmt.Errorf("Expected helm parameter of the form: param=value. Received: %s", text)
}
return &HelmParameter{
Name: parts[0],
Value: helmParameterRx.ReplaceAllString(parts[1], `$1\,`),
ForceString: forceString,
}, nil
}
// NewHelmFileParameter parses a string in format name=value into a HelmFileParameter object and returns it
func NewHelmFileParameter(text string) (*HelmFileParameter, error) {
parts := strings.SplitN(text, "=", 2)
if len(parts) != 2 {
return nil, fmt.Errorf("Expected helm file parameter of the form: param=path. Received: %s", text)
}
return &HelmFileParameter{
Name: parts[0],
Path: helmParameterRx.ReplaceAllString(parts[1], `$1\,`),
}, nil
}
// AddParameter adds a HelmParameter to the application source. If a parameter with the same name already
// exists, its value will be overwritten. Otherwise, the HelmParameter will be appended as a new entry.
func (in *ApplicationSourceHelm) AddParameter(p HelmParameter) {
found := false
for i, cp := range in.Parameters {
if cp.Name == p.Name {
found = true
in.Parameters[i] = p
break
}
}
if !found {
in.Parameters = append(in.Parameters, p)
}
}
// AddFileParameter adds a HelmFileParameter to the application source. If a file parameter with the same name already
// exists, its value will be overwritten. Otherwise, the HelmFileParameter will be appended as a new entry.
func (in *ApplicationSourceHelm) AddFileParameter(p HelmFileParameter) {
found := false
for i, cp := range in.FileParameters {
if cp.Name == p.Name {
found = true
in.FileParameters[i] = p
break
}
}
if !found {
in.FileParameters = append(in.FileParameters, p)
}
}
// IsZero Returns true if the Helm options in an application source are considered zero
func (h *ApplicationSourceHelm) IsZero() bool {
return h == nil || (h.Version == "") && (h.ReleaseName == "") && len(h.ValueFiles) == 0 && len(h.Parameters) == 0 && len(h.FileParameters) == 0 && h.Values == "" && !h.PassCredentials && !h.IgnoreMissingValueFiles && !h.SkipCrds
}
// KustomizeImage represents a Kustomize image definition in the format [old_image_name=]<image_name>:<image_tag>
type KustomizeImage string
func (i KustomizeImage) delim() string {
for _, d := range []string{"=", ":", "@"} {
if strings.Contains(string(i), d) {
return d
}
}
return ":"
}
// Match returns true if the image name matches (i.e. up to the first delimiter)
func (i KustomizeImage) Match(j KustomizeImage) bool {
delim := j.delim()
if !strings.Contains(string(j), delim) {
return false
}
return strings.HasPrefix(string(i), strings.Split(string(j), delim)[0])
}
// KustomizeImages is a list of Kustomize images
type KustomizeImages []KustomizeImage
// Find returns a positive integer representing the index in the list of images
func (images KustomizeImages) Find(image KustomizeImage) int {
for i, a := range images {
if a.Match(image) {
return i
}
}
return -1
}
// ApplicationSourceKustomize holds options specific to an Application source specific to Kustomize
type ApplicationSourceKustomize struct {
// NamePrefix is a prefix appended to resources for Kustomize apps
NamePrefix string `json:"namePrefix,omitempty" protobuf:"bytes,1,opt,name=namePrefix"`
// NameSuffix is a suffix appended to resources for Kustomize apps
NameSuffix string `json:"nameSuffix,omitempty" protobuf:"bytes,2,opt,name=nameSuffix"`
// Images is a list of Kustomize image override specifications
Images KustomizeImages `json:"images,omitempty" protobuf:"bytes,3,opt,name=images"`
// CommonLabels is a list of additional labels to add to rendered manifests
CommonLabels map[string]string `json:"commonLabels,omitempty" protobuf:"bytes,4,opt,name=commonLabels"`
// Version controls which version of Kustomize to use for rendering manifests
Version string `json:"version,omitempty" protobuf:"bytes,5,opt,name=version"`
// CommonAnnotations is a list of additional annotations to add to rendered manifests
CommonAnnotations map[string]string `json:"commonAnnotations,omitempty" protobuf:"bytes,6,opt,name=commonAnnotations"`
// ForceCommonLabels specifies whether to force applying common labels to resources for Kustomize apps
ForceCommonLabels bool `json:"forceCommonLabels,omitempty" protobuf:"bytes,7,opt,name=forceCommonLabels"`
// ForceCommonAnnotations specifies whether to force applying common annotations to resources for Kustomize apps
ForceCommonAnnotations bool `json:"forceCommonAnnotations,omitempty" protobuf:"bytes,8,opt,name=forceCommonAnnotations"`
}
// AllowsConcurrentProcessing returns true if multiple processes can run Kustomize builds on the same source at the same time
func (k *ApplicationSourceKustomize) AllowsConcurrentProcessing() bool {
return len(k.Images) == 0 &&
len(k.CommonLabels) == 0 &&
k.NamePrefix == "" &&
k.NameSuffix == ""
}
// IsZero returns true when the Kustomize options are considered empty
func (k *ApplicationSourceKustomize) IsZero() bool {
return k == nil ||
k.NamePrefix == "" &&
k.NameSuffix == "" &&
k.Version == "" &&
len(k.Images) == 0 &&
len(k.CommonLabels) == 0 &&
len(k.CommonAnnotations) == 0
}
// MergeImage merges a new Kustomize image identifier in to a list of images
func (k *ApplicationSourceKustomize) MergeImage(image KustomizeImage) {
i := k.Images.Find(image)
if i >= 0 {
k.Images[i] = image
} else {
k.Images = append(k.Images, image)
}
}
// JsonnetVar represents a variable to be passed to jsonnet during manifest generation
type JsonnetVar struct {
Name string `json:"name" protobuf:"bytes,1,opt,name=name"`
Value string `json:"value" protobuf:"bytes,2,opt,name=value"`
Code bool `json:"code,omitempty" protobuf:"bytes,3,opt,name=code"`
}
// NewJsonnetVar parses a Jsonnet variable from a string in the format name=value
func NewJsonnetVar(s string, code bool) JsonnetVar {
parts := strings.SplitN(s, "=", 2)
if len(parts) == 2 {
return JsonnetVar{Name: parts[0], Value: parts[1], Code: code}
} else {
return JsonnetVar{Name: s, Code: code}
}
}
// ApplicationSourceJsonnet holds options specific to applications of type Jsonnet
type ApplicationSourceJsonnet struct {
// ExtVars is a list of Jsonnet External Variables
ExtVars []JsonnetVar `json:"extVars,omitempty" protobuf:"bytes,1,opt,name=extVars"`
// TLAS is a list of Jsonnet Top-level Arguments
TLAs []JsonnetVar `json:"tlas,omitempty" protobuf:"bytes,2,opt,name=tlas"`
// Additional library search dirs
Libs []string `json:"libs,omitempty" protobuf:"bytes,3,opt,name=libs"`
}
// IsZero returns true if the JSonnet options of an application are considered to be empty
func (j *ApplicationSourceJsonnet) IsZero() bool {
return j == nil || len(j.ExtVars) == 0 && len(j.TLAs) == 0 && len(j.Libs) == 0
}
// ApplicationSourceKsonnet holds ksonnet specific options
type ApplicationSourceKsonnet struct {
// Environment is a ksonnet application environment name
Environment string `json:"environment,omitempty" protobuf:"bytes,1,opt,name=environment"`
// Parameters are a list of ksonnet component parameter override values
Parameters []KsonnetParameter `json:"parameters,omitempty" protobuf:"bytes,2,opt,name=parameters"`
}
// KsonnetParameter is a ksonnet component parameter
type KsonnetParameter struct {
Component string `json:"component,omitempty" protobuf:"bytes,1,opt,name=component"`
Name string `json:"name" protobuf:"bytes,2,opt,name=name"`
Value string `json:"value" protobuf:"bytes,3,opt,name=value"`
}
// AllowsConcurrentProcessing returns true if multiple processes can run ksonnet builds on the same source at the same time
func (k *ApplicationSourceKsonnet) AllowsConcurrentProcessing() bool {
return len(k.Parameters) == 0
}
// IsZero returns true if the KSonnet options of an application are considered to be empty
func (k *ApplicationSourceKsonnet) IsZero() bool {
return k == nil || k.Environment == "" && len(k.Parameters) == 0
}
// ApplicationSourceDirectory holds options for applications of type plain YAML or Jsonnet
type ApplicationSourceDirectory struct {
// Recurse specifies whether to scan a directory recursively for manifests
Recurse bool `json:"recurse,omitempty" protobuf:"bytes,1,opt,name=recurse"`
// Jsonnet holds options specific to Jsonnet
Jsonnet ApplicationSourceJsonnet `json:"jsonnet,omitempty" protobuf:"bytes,2,opt,name=jsonnet"`
// Exclude contains a glob pattern to match paths against that should be explicitly excluded from being used during manifest generation
Exclude string `json:"exclude,omitempty" protobuf:"bytes,3,opt,name=exclude"`
// Include contains a glob pattern to match paths against that should be explicitly included during manifest generation
Include string `json:"include,omitempty" protobuf:"bytes,4,opt,name=include"`
}
// IsZero returns true if the ApplicationSourceDirectory is considered empty
func (d *ApplicationSourceDirectory) IsZero() bool {
return d == nil || !d.Recurse && d.Jsonnet.IsZero()
}
// ApplicationSourcePlugin holds options specific to config management plugins
type ApplicationSourcePlugin struct {
Name string `json:"name,omitempty" protobuf:"bytes,1,opt,name=name"`
Env `json:"env,omitempty" protobuf:"bytes,2,opt,name=env"`
}
// IsZero returns true if the ApplicationSourcePlugin is considered empty
func (c *ApplicationSourcePlugin) IsZero() bool {
return c == nil || c.Name == "" && c.Env.IsZero()
}
// AddEnvEntry merges an EnvEntry into a list of entries. If an entry with the same name already exists,
// its value will be overwritten. Otherwise, the entry is appended to the list.
func (c *ApplicationSourcePlugin) AddEnvEntry(e *EnvEntry) {
found := false
for i, ce := range c.Env {
if ce.Name == e.Name {
found = true
c.Env[i] = e
break
}
}
if !found {
c.Env = append(c.Env, e)
}
}
// RemoveEnvEntry removes an EnvEntry if present, from a list of entries.
func (c *ApplicationSourcePlugin) RemoveEnvEntry(key string) error {
for i, ce := range c.Env {
if ce.Name == key {
c.Env[i] = c.Env[len(c.Env)-1]
c.Env = c.Env[:len(c.Env)-1]
return nil
}
}
return fmt.Errorf("unable to find env variable with key %q for plugin %q", key, c.Name)
}
// ApplicationDestination holds information about the application's destination
type ApplicationDestination struct {
// Server specifies the URL of the target cluster and must be set to the Kubernetes control plane API
Server string `json:"server,omitempty" protobuf:"bytes,1,opt,name=server"`
// Namespace specifies the target namespace for the application's resources.
// The namespace will only be set for namespace-scoped resources that have not set a value for .metadata.namespace
Namespace string `json:"namespace,omitempty" protobuf:"bytes,2,opt,name=namespace"`
// Name is an alternate way of specifying the target cluster by its symbolic name
Name string `json:"name,omitempty" protobuf:"bytes,3,opt,name=name"`
// nolint:govet
isServerInferred bool `json:"-"`
}
// ApplicationStatus contains status information for the application
type ApplicationStatus struct {
// Resources is a list of Kubernetes resources managed by this application
Resources []ResourceStatus `json:"resources,omitempty" protobuf:"bytes,1,opt,name=resources"`
// Sync contains information about the application's current sync status
Sync SyncStatus `json:"sync,omitempty" protobuf:"bytes,2,opt,name=sync"`
// Health contains information about the application's current health status
Health HealthStatus `json:"health,omitempty" protobuf:"bytes,3,opt,name=health"`
// History contains information about the application's sync history
History RevisionHistories `json:"history,omitempty" protobuf:"bytes,4,opt,name=history"`
// Conditions is a list of currently observed application conditions
Conditions []ApplicationCondition `json:"conditions,omitempty" protobuf:"bytes,5,opt,name=conditions"`
// ReconciledAt indicates when the application state was reconciled using the latest git version
ReconciledAt *metav1.Time `json:"reconciledAt,omitempty" protobuf:"bytes,6,opt,name=reconciledAt"`
// OperationState contains information about any ongoing operations, such as a sync
OperationState *OperationState `json:"operationState,omitempty" protobuf:"bytes,7,opt,name=operationState"`
// ObservedAt indicates when the application state was updated without querying latest git state
// Deprecated: controller no longer updates ObservedAt field
ObservedAt *metav1.Time `json:"observedAt,omitempty" protobuf:"bytes,8,opt,name=observedAt"`
// SourceType specifies the type of this application
SourceType ApplicationSourceType `json:"sourceType,omitempty" protobuf:"bytes,9,opt,name=sourceType"`
// Summary contains a list of URLs and container images used by this application
Summary ApplicationSummary `json:"summary,omitempty" protobuf:"bytes,10,opt,name=summary"`
}
// JWTTokens represents a list of JWT tokens
type JWTTokens struct {
Items []JWTToken `json:"items,omitempty" protobuf:"bytes,1,opt,name=items"`
}
// OperationInitiator contains information about the initiator of an operation
type OperationInitiator struct {
// Username contains the name of a user who started operation
Username string `json:"username,omitempty" protobuf:"bytes,1,opt,name=username"`
// Automated is set to true if operation was initiated automatically by the application controller.
Automated bool `json:"automated,omitempty" protobuf:"bytes,2,opt,name=automated"`
}
// Operation contains information about a requested or running operation
type Operation struct {
// Sync contains parameters for the operation
Sync *SyncOperation `json:"sync,omitempty" protobuf:"bytes,1,opt,name=sync"`
// InitiatedBy contains information about who initiated the operations
InitiatedBy OperationInitiator `json:"initiatedBy,omitempty" protobuf:"bytes,2,opt,name=initiatedBy"`
// Info is a list of informational items for this operation
Info []*Info `json:"info,omitempty" protobuf:"bytes,3,name=info"`
// Retry controls the strategy to apply if a sync fails
Retry RetryStrategy `json:"retry,omitempty" protobuf:"bytes,4,opt,name=retry"`
}
// DryRun returns true if an operation was requested to be performed in dry run mode
func (o *Operation) DryRun() bool {
if o.Sync != nil {
return o.Sync.DryRun
}
return false
}
// SyncOperationResource contains resources to sync.
type SyncOperationResource struct {
Group string `json:"group,omitempty" protobuf:"bytes,1,opt,name=group"`
Kind string `json:"kind" protobuf:"bytes,2,opt,name=kind"`
Name string `json:"name" protobuf:"bytes,3,opt,name=name"`
Namespace string `json:"namespace,omitempty" protobuf:"bytes,4,opt,name=namespace"`
}
// RevisionHistories is a array of history, oldest first and newest last
type RevisionHistories []RevisionHistory
// LastRevisionHistory returns the latest history item from the revision history
func (in RevisionHistories) LastRevisionHistory() RevisionHistory {
return in[len(in)-1]
}
// Trunc truncates the list of history items to size n
func (in RevisionHistories) Trunc(n int) RevisionHistories {
i := len(in) - n
if i > 0 {
in = in[i:]
}
return in
}
// HasIdentity determines whether a sync operation is identified by a manifest
func (r SyncOperationResource) HasIdentity(name string, namespace string, gvk schema.GroupVersionKind) bool {
if name == r.Name && gvk.Kind == r.Kind && gvk.Group == r.Group && (r.Namespace == "" || namespace == r.Namespace) {
return true
}
return false
}
// SyncOperation contains details about a sync operation.
type SyncOperation struct {
// Revision is the revision (Git) or chart version (Helm) which to sync the application to
// If omitted, will use the revision specified in app spec.
Revision string `json:"revision,omitempty" protobuf:"bytes,1,opt,name=revision"`
// Prune specifies to delete resources from the cluster that are no longer tracked in git
Prune bool `json:"prune,omitempty" protobuf:"bytes,2,opt,name=prune"`
// DryRun specifies to perform a `kubectl apply --dry-run` without actually performing the sync
DryRun bool `json:"dryRun,omitempty" protobuf:"bytes,3,opt,name=dryRun"`
// SyncStrategy describes how to perform the sync
SyncStrategy *SyncStrategy `json:"syncStrategy,omitempty" protobuf:"bytes,4,opt,name=syncStrategy"`
// Resources describes which resources shall be part of the sync
Resources []SyncOperationResource `json:"resources,omitempty" protobuf:"bytes,6,opt,name=resources"`
// Source overrides the source definition set in the application.
// This is typically set in a Rollback operation and is nil during a Sync operation
Source *ApplicationSource `json:"source,omitempty" protobuf:"bytes,7,opt,name=source"`
// Manifests is an optional field that overrides sync source with a local directory for development
Manifests []string `json:"manifests,omitempty" protobuf:"bytes,8,opt,name=manifests"`
// SyncOptions provide per-sync sync-options, e.g. Validate=false
SyncOptions SyncOptions `json:"syncOptions,omitempty" protobuf:"bytes,9,opt,name=syncOptions"`
}
// IsApplyStrategy returns true if the sync strategy is "apply"
func (o *SyncOperation) IsApplyStrategy() bool {
return o.SyncStrategy != nil && o.SyncStrategy.Apply != nil
}
// OperationState contains information about state of a running operation
type OperationState struct {
// Operation is the original requested operation
Operation Operation `json:"operation" protobuf:"bytes,1,opt,name=operation"`
// Phase is the current phase of the operation
Phase synccommon.OperationPhase `json:"phase" protobuf:"bytes,2,opt,name=phase"`
// Message holds any pertinent messages when attempting to perform operation (typically errors).
Message string `json:"message,omitempty" protobuf:"bytes,3,opt,name=message"`
// SyncResult is the result of a Sync operation
SyncResult *SyncOperationResult `json:"syncResult,omitempty" protobuf:"bytes,4,opt,name=syncResult"`
// StartedAt contains time of operation start
StartedAt metav1.Time `json:"startedAt" protobuf:"bytes,6,opt,name=startedAt"`
// FinishedAt contains time of operation completion
FinishedAt *metav1.Time `json:"finishedAt,omitempty" protobuf:"bytes,7,opt,name=finishedAt"`
// RetryCount contains time of operation retries
RetryCount int64 `json:"retryCount,omitempty" protobuf:"bytes,8,opt,name=retryCount"`
}
type Info struct {
Name string `json:"name" protobuf:"bytes,1,name=name"`
Value string `json:"value" protobuf:"bytes,2,name=value"`
}
type SyncOptions []string
// AddOption adds a sync option to the list of sync options and returns the modified list.
// If option was already set, returns the unmodified list of sync options.
func (o SyncOptions) AddOption(option string) SyncOptions {
for _, j := range o {
if j == option {
return o
}
}
return append(o, option)
}
// RemoveOption removes a sync option from the list of sync options and returns the modified list.
// If option has not been already set, returns the unmodified list of sync options.
func (o SyncOptions) RemoveOption(option string) SyncOptions {
for i, j := range o {
if j == option {
return append(o[:i], o[i+1:]...)
}
}
return o
}
// HasOption returns true if the list of sync options contains given option
func (o SyncOptions) HasOption(option string) bool {
for _, i := range o {
if option == i {
return true
}
}
return false
}
// SyncPolicy controls when a sync will be performed in response to updates in git
type SyncPolicy struct {
// Automated will keep an application synced to the target revision
Automated *SyncPolicyAutomated `json:"automated,omitempty" protobuf:"bytes,1,opt,name=automated"`
// Options allow you to specify whole app sync-options
SyncOptions SyncOptions `json:"syncOptions,omitempty" protobuf:"bytes,2,opt,name=syncOptions"`
// Retry controls failed sync retry behavior
Retry *RetryStrategy `json:"retry,omitempty" protobuf:"bytes,3,opt,name=retry"`
}
// IsZero returns true if the sync policy is empty
func (p *SyncPolicy) IsZero() bool {
return p == nil || (p.Automated == nil && len(p.SyncOptions) == 0 && p.Retry == nil)
}
// RetryStrategy contains information about the strategy to apply when a sync failed
type RetryStrategy struct {
// Limit is the maximum number of attempts for retrying a failed sync. If set to 0, no retries will be performed.
Limit int64 `json:"limit,omitempty" protobuf:"bytes,1,opt,name=limit"`
// Backoff controls how to backoff on subsequent retries of failed syncs
Backoff *Backoff `json:"backoff,omitempty" protobuf:"bytes,2,opt,name=backoff,casttype=Backoff"`
}
func parseStringToDuration(durationString string) (time.Duration, error) {
var suspendDuration time.Duration
// If no units are attached, treat as seconds
if val, err := strconv.Atoi(durationString); err == nil {
suspendDuration = time.Duration(val) * time.Second
} else if duration, err := time.ParseDuration(durationString); err == nil {
suspendDuration = duration
} else {
return 0, fmt.Errorf("unable to parse %s as a duration", durationString)
}
return suspendDuration, nil
}
// NextRetryAt calculates the earliest time the next retry should be performed on a failing sync
func (r *RetryStrategy) NextRetryAt(lastAttempt time.Time, retryCounts int64) (time.Time, error) {
maxDuration := DefaultSyncRetryMaxDuration
duration := DefaultSyncRetryDuration
factor := DefaultSyncRetryFactor
var err error
if r.Backoff != nil {
if r.Backoff.Duration != "" {
if duration, err = parseStringToDuration(r.Backoff.Duration); err != nil {
return time.Time{}, err
}
}
if r.Backoff.MaxDuration != "" {
if maxDuration, err = parseStringToDuration(r.Backoff.MaxDuration); err != nil {
return time.Time{}, err
}
}
if r.Backoff.Factor != nil {
factor = *r.Backoff.Factor
}
}
// Formula: timeToWait = duration * factor^retry_number
// Note that timeToWait should equal to duration for the first retry attempt.
// When timeToWait is more than maxDuration retry should be performed at maxDuration.
timeToWait := float64(duration) * (math.Pow(float64(factor), float64(retryCounts)))
if maxDuration > 0 {
timeToWait = math.Min(float64(maxDuration), timeToWait)
}
return lastAttempt.Add(time.Duration(timeToWait)), nil
}
// Backoff is the backoff strategy to use on subsequent retries for failing syncs
type Backoff struct {
// Duration is the amount to back off. Default unit is seconds, but could also be a duration (e.g. "2m", "1h")
Duration string `json:"duration,omitempty" protobuf:"bytes,1,opt,name=duration"`
// Factor is a factor to multiply the base duration after each failed retry
Factor *int64 `json:"factor,omitempty" protobuf:"bytes,2,name=factor"`
// MaxDuration is the maximum amount of time allowed for the backoff strategy
MaxDuration string `json:"maxDuration,omitempty" protobuf:"bytes,3,opt,name=maxDuration"`
}
// SyncPolicyAutomated controls the behavior of an automated sync
type SyncPolicyAutomated struct {
// Prune specifies whether to delete resources from the cluster that are not found in the sources anymore as part of automated sync (default: false)
Prune bool `json:"prune,omitempty" protobuf:"bytes,1,opt,name=prune"`
// SelfHeal specifes whether to revert resources back to their desired state upon modification in the cluster (default: false)
SelfHeal bool `json:"selfHeal,omitempty" protobuf:"bytes,2,opt,name=selfHeal"`
// AllowEmpty allows apps have zero live resources (default: false)
AllowEmpty bool `json:"allowEmpty,omitempty" protobuf:"bytes,3,opt,name=allowEmpty"`
}
// SyncStrategy controls the manner in which a sync is performed
type SyncStrategy struct {
// Apply will perform a `kubectl apply` to perform the sync.
Apply *SyncStrategyApply `json:"apply,omitempty" protobuf:"bytes,1,opt,name=apply"`
// Hook will submit any referenced resources to perform the sync. This is the default strategy
Hook *SyncStrategyHook `json:"hook,omitempty" protobuf:"bytes,2,opt,name=hook"`
}
// Force returns true if the sync strategy specifies to perform a forced sync
func (m *SyncStrategy) Force() bool {
if m == nil {
return false
} else if m.Apply != nil {
return m.Apply.Force
} else if m.Hook != nil {
return m.Hook.Force
} else {
return false
}
}
// SyncStrategyApply uses `kubectl apply` to perform the apply
type SyncStrategyApply struct {
// Force indicates whether or not to supply the --force flag to `kubectl apply`.
// The --force flag deletes and re-create the resource, when PATCH encounters conflict and has
// retried for 5 times.
Force bool `json:"force,omitempty" protobuf:"bytes,1,opt,name=force"`
}
// SyncStrategyHook will perform a sync using hooks annotations.
// If no hook annotation is specified falls back to `kubectl apply`.
type SyncStrategyHook struct {
// Embed SyncStrategyApply type to inherit any `apply` options
// +optional
SyncStrategyApply `json:",inline" protobuf:"bytes,1,opt,name=syncStrategyApply"`
}
// RevisionMetadata contains metadata for a specific revision in a Git repository
type RevisionMetadata struct {
// who authored this revision,
// typically their name and email, e.g. "John Doe <john_doe@my-company.com>",
// but might not match this example
Author string `json:"author,omitempty" protobuf:"bytes,1,opt,name=author"`
// Date specifies when the revision was authored
Date metav1.Time `json:"date" protobuf:"bytes,2,opt,name=date"`
// Tags specifies any tags currently attached to the revision
// Floating tags can move from one revision to another
Tags []string `json:"tags,omitempty" protobuf:"bytes,3,opt,name=tags"`
// Message contains the message associated with the revision, most likely the commit message.
// The message is truncated to the first newline or 64 characters (which ever comes first)
Message string `json:"message,omitempty" protobuf:"bytes,4,opt,name=message"`
// SignatureInfo contains a hint on the signer if the revision was signed with GPG, and signature verification is enabled.
SignatureInfo string `json:"signatureInfo,omitempty" protobuf:"bytes,5,opt,name=signatureInfo"`
}
// SyncOperationResult represent result of sync operation
type SyncOperationResult struct {
// Resources contains a list of sync result items for each individual resource in a sync operation
Resources ResourceResults `json:"resources,omitempty" protobuf:"bytes,1,opt,name=resources"`
// Revision holds the revision this sync operation was performed to
Revision string `json:"revision" protobuf:"bytes,2,opt,name=revision"`
// Source records the application source information of the sync, used for comparing auto-sync
Source ApplicationSource `json:"source,omitempty" protobuf:"bytes,3,opt,name=source"`
}
// ResourceResult holds the operation result details of a specific resource
type ResourceResult struct {
// Group specifies the API group of the resource
Group string `json:"group" protobuf:"bytes,1,opt,name=group"`
// Version specifies the API version of the resource
Version string `json:"version" protobuf:"bytes,2,opt,name=version"`
// Kind specifies the API kind of the resource
Kind string `json:"kind" protobuf:"bytes,3,opt,name=kind"`
// Namespace specifies the target namespace of the resource
Namespace string `json:"namespace" protobuf:"bytes,4,opt,name=namespace"`
// Name specifies the name of the resource
Name string `json:"name" protobuf:"bytes,5,opt,name=name"`
// Status holds the final result of the sync. Will be empty if the resources is yet to be applied/pruned and is always zero-value for hooks
Status synccommon.ResultCode `json:"status,omitempty" protobuf:"bytes,6,opt,name=status"`
// Message contains an informational or error message for the last sync OR operation
Message string `json:"message,omitempty" protobuf:"bytes,7,opt,name=message"`
// HookType specifies the type of the hook. Empty for non-hook resources
HookType synccommon.HookType `json:"hookType,omitempty" protobuf:"bytes,8,opt,name=hookType"`
// HookPhase contains the state of any operation associated with this resource OR hook
// This can also contain values for non-hook resources.
HookPhase synccommon.OperationPhase `json:"hookPhase,omitempty" protobuf:"bytes,9,opt,name=hookPhase"`
// SyncPhase indicates the particular phase of the sync that this result was acquired in
SyncPhase synccommon.SyncPhase `json:"syncPhase,omitempty" protobuf:"bytes,10,opt,name=syncPhase"`
}
// GroupVersionKind returns the GVK schema information for a given resource within a sync result
func (r *ResourceResult) GroupVersionKind() schema.GroupVersionKind {
return schema.GroupVersionKind{
Group: r.Group,
Version: r.Version,
Kind: r.Kind,
}
}
// ResourceResults defines a list of resource results for a given operation
type ResourceResults []*ResourceResult
// Find returns the operation result for a specified resource and the index in the list where it was found
func (r ResourceResults) Find(group string, kind string, namespace string, name string, phase synccommon.SyncPhase) (int, *ResourceResult) {
for i, res := range r {
if res.Group == group && res.Kind == kind && res.Namespace == namespace && res.Name == name && res.SyncPhase == phase {
return i, res
}
}
return 0, nil
}
// PruningRequired returns a positive integer containing the number of resources that require pruning after an operation has been completed
func (r ResourceResults) PruningRequired() (num int) {
for _, res := range r {
if res.Status == synccommon.ResultCodePruneSkipped {
num++
}
}
return num
}
// RevisionHistory contains history information about a previous sync
type RevisionHistory struct {
// Revision holds the revision the sync was performed against
Revision string `json:"revision" protobuf:"bytes,2,opt,name=revision"`
// DeployedAt holds the time the sync operation completed
DeployedAt metav1.Time `json:"deployedAt" protobuf:"bytes,4,opt,name=deployedAt"`
// ID is an auto incrementing identifier of the RevisionHistory
ID int64 `json:"id" protobuf:"bytes,5,opt,name=id"`
// Source is a reference to the application source used for the sync operation
Source ApplicationSource `json:"source,omitempty" protobuf:"bytes,6,opt,name=source"`
// DeployStartedAt holds the time the sync operation started
DeployStartedAt *metav1.Time `json:"deployStartedAt,omitempty" protobuf:"bytes,7,opt,name=deployStartedAt"`
}
// ApplicationWatchEvent contains information about application change.
type ApplicationWatchEvent struct {
Type watch.EventType `json:"type" protobuf:"bytes,1,opt,name=type,casttype=k8s.io/apimachinery/pkg/watch.EventType"`
// Application is:
// * If Type is Added or Modified: the new state of the object.
// * If Type is Deleted: the state of the object immediately before deletion.
// * If Type is Error: *api.Status is recommended; other types may make sense
// depending on context.
Application Application `json:"application" protobuf:"bytes,2,opt,name=application"`
}
// ApplicationList is list of Application resources
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
type ApplicationList struct {
metav1.TypeMeta `json:",inline"`
metav1.ListMeta `json:"metadata" protobuf:"bytes,1,opt,name=metadata"`
Items []Application `json:"items" protobuf:"bytes,2,rep,name=items"`
}
// ComponentParameter contains information about component parameter value
type ComponentParameter struct {
Component string `json:"component,omitempty" protobuf:"bytes,1,opt,name=component"`
Name string `json:"name" protobuf:"bytes,2,opt,name=name"`
Value string `json:"value" protobuf:"bytes,3,opt,name=value"`
}
// SyncStatusCode is a type which represents possible comparison results
type SyncStatusCode string
// Possible comparison results
const (
// SyncStatusCodeUnknown indicates that the status of a sync could not be reliably determined
SyncStatusCodeUnknown SyncStatusCode = "Unknown"
// SyncStatusCodeOutOfSync indicates that desired and live states match
SyncStatusCodeSynced SyncStatusCode = "Synced"
// SyncStatusCodeOutOfSync indicates that there is a drift beween desired and live states
SyncStatusCodeOutOfSync SyncStatusCode = "OutOfSync"
)
// ApplicationConditionType represents type of application condition. Type name has following convention:
// prefix "Error" means error condition
// prefix "Warning" means warning condition
// prefix "Info" means informational condition
type ApplicationConditionType = string
const (
// ApplicationConditionDeletionError indicates that controller failed to delete application
ApplicationConditionDeletionError = "DeletionError"
// ApplicationConditionInvalidSpecError indicates that application source is invalid
ApplicationConditionInvalidSpecError = "InvalidSpecError"
// ApplicationConditionComparisonError indicates controller failed to compare application state
ApplicationConditionComparisonError = "ComparisonError"