dcmerge/pkg/domain/dockerCompose/config.go

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2023-07-19 19:44:02 +00:00
package dockerCompose
import (
"fmt"
"strings"
)
const (
environmentDelimiter string = "="
labelDelimiter string = "="
volumeDelimiter string = ":"
portDelimiter string = ":"
portProtocolDelimiter string = "/"
)
type Config struct {
Networks map[string]*Network `json:"networks,omitempty" yaml:"networks,omitempty"`
Secrets map[string]*Secret `json:"secrets,omitempty" yaml:"secrets,omitempty"`
Services map[string]*Service `json:"services,omitempty" yaml:"services,omitempty"`
Version string `json:"version,omitempty" yaml:"version,omitempty"`
Volumes map[string]*Volume `json:"volumes,omitempty" yaml:"volumes,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (c *Config) Equal(equalable Equalable) bool {
config, ok := equalable.(*Config)
if !ok {
return false
}
switch {
case c == nil && config == nil:
return true
case c != nil && config == nil:
fallthrough
case c == nil && config != nil:
return false
default:
return EqualStringMap(c.Networks, config.Networks) &&
EqualStringMap(c.Secrets, config.Secrets) &&
EqualStringMap(c.Services, config.Services) &&
c.Version == config.Version &&
EqualStringMap(c.Volumes, config.Volumes)
}
}
// ExistsNetwork returns true if a network with the passed named exists.
func (c *Config) ExistsNetwork(name string) bool {
return ExistsInMap(c.Networks, name)
}
// ExistsSecret returns true if a secret with the passed named exists.
func (c *Config) ExistsSecret(name string) bool {
return ExistsInMap(c.Secrets, name)
}
// ExistsService returns true if a service with the passed named exists.
func (c *Config) ExistsService(name string) bool {
return ExistsInMap(c.Services, name)
}
// ExistsVolumes returns true if a volume with the passed named exists.
func (c *Config) ExistsVolume(name string) bool {
return ExistsInMap(c.Volumes, name)
}
// Merge adds only a missing network, secret, service and volume.
func (c *Config) Merge(config *Config) {
for name, network := range c.Networks {
if !c.ExistsNetwork(name) {
c.Networks[name] = network
}
}
for name, secret := range c.Secrets {
if !c.ExistsSecret(name) {
c.Secrets[name] = secret
}
}
for name, service := range c.Services {
if !c.ExistsService(name) {
c.Services[name] = service
}
}
for name, volume := range c.Volumes {
if !c.ExistsVolume(name) {
c.Volumes[name] = volume
}
}
}
// MergeLastWin merges a config and overwrite already existing properties
func (c *Config) MergeLastWin(config *Config) {
switch {
case c == nil && config == nil:
fallthrough
case c != nil && config == nil:
return
// WARN: It's not possible to change the memory pointer c *Config
// to a new initialized config without returning the Config
// it self.
//
// case c == nil && config != nil:
// c = NewConfig()
// fallthrough
default:
c.mergeLastWinNetworks(config.Networks)
c.mergeLastWinSecrets(config.Secrets)
c.mergeLastWinServices(config.Services)
c.mergeLastWinVersion(config.Version)
c.mergeLastWinVolumes(config.Volumes)
}
}
func (c *Config) mergeLastWinVersion(version string) {
if c.Version != version {
c.Version = version
}
}
func (c *Config) mergeLastWinNetworks(networks map[string]*Network) {
for networkName, network := range networks {
if network == nil {
continue
}
if c.ExistsNetwork(networkName) {
c.Networks[networkName].MergeLastWin(network)
} else {
c.Networks[networkName] = network
}
}
}
func (c *Config) mergeLastWinSecrets(secrets map[string]*Secret) {
for secretName, secret := range secrets {
if secret == nil {
continue
}
if c.ExistsNetwork(secretName) {
c.Secrets[secretName].MergeLastWin(secret)
} else {
c.Secrets[secretName] = secret
}
}
}
func (c *Config) mergeLastWinServices(services map[string]*Service) {
for serviceName, service := range services {
if service == nil {
continue
}
if c.ExistsService(serviceName) {
c.Services[serviceName].MergeLastWin(service)
} else {
c.Services[serviceName] = service
}
}
}
func (c *Config) mergeLastWinVolumes(volumes map[string]*Volume) {
for volumeName, volume := range volumes {
if volume == nil {
continue
}
if c.ExistsNetwork(volumeName) {
c.Volumes[volumeName].MergeLastWin(volume)
} else {
c.Volumes[volumeName] = volume
}
}
}
func NewConfig() *Config {
return &Config{
Services: make(map[string]*Service),
Networks: make(map[string]*Network),
Secrets: make(map[string]*Secret),
Volumes: make(map[string]*Volume),
}
}
type Network struct {
External bool `json:"external,omitempty" yaml:"external,omitempty"`
Driver string `json:"driver,omitempty" yaml:"driver,omitempty"`
IPAM *NetworkIPAM `json:"ipam,omitempty" yaml:"ipam,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (n *Network) Equal(equalable Equalable) bool {
network, ok := equalable.(*Network)
if !ok {
return false
}
switch {
case n == nil && network == nil:
return true
case n != nil && network == nil:
fallthrough
case n == nil && network != nil:
return false
default:
return n.External == network.External &&
n.Driver == network.Driver &&
n.IPAM.Equal(network.IPAM)
}
}
func (n *Network) MergeLastWin(network *Network) {
switch {
case n == nil && network == nil:
fallthrough
case n != nil && network == nil:
return
// WARN: It's not possible to change the memory pointer n *Network
// to a new initialized network without returning the Network
// it self.
//
// case n == nil && network != nil:
// c = NewCNetwork()
// fallthrough
default:
n.mergeLastWinIPAM(network.IPAM)
}
}
func (n *Network) mergeLastWinIPAM(networkIPAM *NetworkIPAM) {
if !n.IPAM.Equal(networkIPAM) {
n.IPAM.MergeLastWin(networkIPAM)
}
}
func NewNetwork() *Network {
return &Network{
External: false,
IPAM: new(NetworkIPAM),
}
}
type NetworkIPAM struct {
Configs []*NetworkIPAMConfig `json:"config,omitempty" yaml:"config,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (nIPAM *NetworkIPAM) Equal(equalable Equalable) bool {
networkIPAM, ok := equalable.(*NetworkIPAM)
if !ok {
return false
}
switch {
case nIPAM == nil && networkIPAM == nil:
return true
case nIPAM != nil && networkIPAM == nil:
fallthrough
case nIPAM == nil && networkIPAM != nil:
return false
default:
return Equal(nIPAM.Configs, networkIPAM.Configs)
}
}
func (nIPAM *NetworkIPAM) MergeLastWin(networkIPAM *NetworkIPAM) {
switch {
case nIPAM == nil && networkIPAM == nil:
fallthrough
case nIPAM != nil && networkIPAM == nil:
return
// WARN: It's not possible to change the memory pointer n *NetworkIPAM
// to a new initialized networkIPAM without returning the NetworkIPAM
// it self.
//
// case nIPAM == nil && networkIPAM != nil:
// c = NewNetworkIPAM()
// fallthrough
default:
nIPAM.mergeLastWinConfig(networkIPAM.Configs)
}
}
func (nIPAM *NetworkIPAM) mergeLastWinConfig(networkIPAMConfigs []*NetworkIPAMConfig) {
for _, networkIPAMConfig := range networkIPAMConfigs {
if !existsInSlice(nIPAM.Configs, networkIPAMConfig) {
nIPAM.Configs = append(nIPAM.Configs, networkIPAMConfig)
}
}
}
func NewNetworkIPAM() *NetworkIPAM {
return &NetworkIPAM{
Configs: make([]*NetworkIPAMConfig, 0),
}
}
type NetworkIPAMConfig struct {
Subnet string `json:"subnet,omitempty" yaml:"subnet,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (nIPAMConfig *NetworkIPAMConfig) Equal(equalable Equalable) bool {
networkIPAMConfig, ok := equalable.(*NetworkIPAMConfig)
if !ok {
return false
}
switch {
case nIPAMConfig == nil && networkIPAMConfig == nil:
return true
case nIPAMConfig != nil && networkIPAMConfig == nil:
fallthrough
case nIPAMConfig == nil && networkIPAMConfig != nil:
return false
default:
return nIPAMConfig.Subnet == networkIPAMConfig.Subnet
}
}
func NewNetworkIPAMConfig() *NetworkIPAMConfig {
return &NetworkIPAMConfig{}
}
type Secret struct {
File string `json:"file,omitempty" yaml:"file,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (s *Secret) Equal(equalable Equalable) bool {
secret, ok := equalable.(*Secret)
if !ok {
return false
}
switch {
case s == nil && secret == nil:
return true
case s != nil && secret == nil:
fallthrough
case s == nil && secret != nil:
return false
default:
return s.File == secret.File
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed secret
// with the existing one.
func (s *Secret) MergeLastWin(secret *Secret) {
if !s.Equal(secret) {
s.File = secret.File
}
}
func NewSecret() *Secret {
return &Secret{}
}
type Service struct {
CapabilitiesAdd []string `json:"cap_add,omitempty" yaml:"cap_add,omitempty"`
CapabilitiesDrop []string `json:"cap_drop,omitempty" yaml:"cap_drop,omitempty"`
Deploy *ServiceDeploy `json:"deploy,omitempty" yaml:"deploy,omitempty"`
Environments []string `json:"environment,omitempty" yaml:"environment,omitempty"`
ExtraHosts []string `json:"extra_hosts,omitempty" yaml:"extra_hosts,omitempty"`
Image string `json:"image,omitempty" yaml:"image,omitempty"`
Labels []string `json:"labels,omitempty" yaml:"labels,omitempty"`
Networks map[string]*ServiceNetwork `json:"networks,omitempty" yaml:"networks,omitempty"`
Ports []string `json:"ports,omitempty" yaml:"ports,omitempty"`
Secrets []string `json:"secrets,omitempty" yaml:"secrets,omitempty"`
ULimits *ServiceULimits `json:"ulimits,omitempty" yaml:"ulimits,omitempty"`
Volumes []string `json:"volumes,omitempty" yaml:"volumes,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (s *Service) Equal(equalable Equalable) bool {
service, ok := equalable.(*Service)
if !ok {
return false
}
switch {
case s == nil && service == nil:
return true
case s != nil && service == nil:
fallthrough
case s == nil && service != nil:
return false
default:
return equalSlice(s.CapabilitiesAdd, service.CapabilitiesAdd) &&
equalSlice(s.CapabilitiesDrop, service.CapabilitiesDrop) &&
s.Deploy.Equal(service.Deploy) &&
equalSlice(s.Environments, service.Environments) &&
equalSlice(s.ExtraHosts, service.ExtraHosts) &&
s.Image == service.Image &&
equalSlice(s.Labels, service.Labels) &&
EqualStringMap(s.Networks, service.Networks) &&
equalSlice(s.Ports, service.Ports) &&
equalSlice(s.Secrets, service.Secrets) &&
s.ULimits.Equal(service.ULimits) &&
equalSlice(s.Volumes, service.Volumes)
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed secret
// with the existing one.
func (s *Service) MergeLastWin(service *Service) {
switch {
case s == nil && service == nil:
fallthrough
case s != nil && service == nil:
return
// WARN: It's not possible to change the memory pointer s *Service
// to a new initialized service without returning the Service
// it self.
//
// case s == nil && service != nil:
// s = NewService()
// fallthrough
default:
s.mergeLastWinCapabilitiesAdd(service.CapabilitiesAdd)
s.mergeLastWinCapabilitiesDrop(service.CapabilitiesDrop)
s.mergeLastWinDeploy(service.Deploy)
s.mergeLastWinEnvironments(service.Environments)
s.mergeLastWinExtraHosts(service.ExtraHosts)
s.mergeLastWinImage(service.Image)
s.mergeLastWinLabels(service.Labels)
s.mergeLastWinNetworks(service.Networks)
s.mergeLastWinPorts(service.Ports)
s.mergeLastWinSecrets(service.Secrets)
s.mergeLastWinULimits(service.ULimits)
s.mergeLastWinVolumes(service.Volumes)
}
}
func (s *Service) mergeLastWinCapabilitiesAdd(capabilitiesAdd []string) {
for _, capabilityAdd := range capabilitiesAdd {
if !existsInSlice(s.CapabilitiesAdd, capabilityAdd) {
s.CapabilitiesAdd = append(s.CapabilitiesAdd, capabilityAdd)
}
}
}
func (s *Service) mergeLastWinCapabilitiesDrop(capabilitiesDrop []string) {
for _, capabilityDrop := range capabilitiesDrop {
if !existsInSlice(s.CapabilitiesAdd, capabilityDrop) {
s.CapabilitiesDrop = append(s.CapabilitiesDrop, capabilityDrop)
}
}
}
func (s *Service) mergeLastWinDeploy(deploy *ServiceDeploy) {
switch {
case s.Deploy == nil && deploy != nil:
s.Deploy = deploy
case s.Deploy != nil && deploy == nil:
fallthrough
case s.Deploy == nil && deploy == nil:
return
default:
s.Deploy.MergeLastWin(deploy)
}
}
func (s *Service) mergeLastWinEnvironments(environments []string) {
switch {
case s.Environments == nil && environments != nil:
s.Environments = environments
case s.Environments != nil && environments == nil:
fallthrough
case s.Environments == nil && environments == nil:
return
default:
for _, environment := range environments {
key, value := splitStringInKeyValue(environment, environmentDelimiter)
s.SetEnvironment(key, value)
}
}
}
func (s *Service) mergeLastWinImage(image string) {
if s.Image != image {
s.Image = image
}
}
func (s *Service) mergeLastWinExtraHosts(extraHosts []string) {
for _, extraHost := range extraHosts {
if !existsInSlice(s.ExtraHosts, extraHost) {
s.ExtraHosts = append(s.ExtraHosts, extraHost)
}
}
}
func (s *Service) mergeLastWinLabels(labels []string) {
switch {
case s.Labels == nil && labels != nil:
s.Labels = labels
case s.Labels != nil && labels == nil:
fallthrough
case s.Labels == nil && labels == nil:
return
default:
for _, label := range labels {
key, value := splitStringInKeyValue(label, labelDelimiter)
s.SetLabel(key, value)
}
}
}
func (s *Service) mergeLastWinNetworks(networks map[string]*ServiceNetwork) {
switch {
case s.Networks == nil && networks != nil:
s.Networks = networks
case s.Networks != nil && networks == nil:
fallthrough
case s.Networks == nil && networks == nil:
return
default:
for name, network := range networks {
if _, exists := s.Networks[name]; exists {
s.Networks[name].MergeLastWin(network)
} else {
s.Networks[name] = network
}
}
}
}
func (s *Service) mergeLastWinPorts(ports []string) {
switch {
case s.Ports == nil && ports != nil:
s.Ports = ports
case s.Ports != nil && ports == nil:
fallthrough
case s.Ports == nil && ports == nil:
return
default:
for _, port := range ports {
src, dest, protocol := splitStringInPort(port)
s.SetPort(src, dest, protocol)
}
}
}
func (s *Service) mergeLastWinSecrets(secrets []string) {
for _, secret := range secrets {
if !existsInSlice(s.Secrets, secret) {
s.Secrets = append(s.Secrets, secret)
}
}
}
func (s *Service) mergeLastWinULimits(uLimits *ServiceULimits) {
switch {
case s.ULimits == nil && uLimits != nil:
s.ULimits = uLimits
case s.ULimits != nil && uLimits == nil:
fallthrough
case s.ULimits == nil && uLimits == nil:
return
default:
s.ULimits.MergeLastWin(uLimits)
}
}
func (s *Service) mergeLastWinVolumes(volumes []string) {
switch {
case s.Volumes == nil && volumes != nil:
s.Volumes = volumes
case s.Volumes != nil && volumes == nil:
fallthrough
case s.Volumes == nil && volumes == nil:
return
default:
for _, volume := range volumes {
src, dest, perm := splitStringInVolume(volume)
s.SetVolume(src, dest, perm)
}
}
}
// RemoveEnvironment remove all found environment variable from the internal
// slice matching by the passed name.
func (s *Service) RemoveEnvironment(name string) {
environments := make([]string, 0)
for _, environment := range s.Environments {
key, value := splitStringInKeyValue(environment, environmentDelimiter)
if key != name {
environments = append(environments, fmt.Sprintf("%s%s%s", key, environmentDelimiter, value))
}
}
s.Environments = environments
}
// RemoveLabel remove all found labels from the internal slice matching by the
// passed name.
func (s *Service) RemoveLabel(name string) {
labels := make([]string, 0)
for _, label := range s.Labels {
key, value := splitStringInKeyValue(label, labelDelimiter)
if key != name {
labels = append(labels, fmt.Sprintf("%s%s%s", key, labelDelimiter, value))
}
}
s.Labels = labels
}
// RemovePort remove all found ports from the internal slice matching by the
// passed dest port.
func (s *Service) RemovePort(dest string) {
ports := make([]string, 0)
for _, port := range s.Ports {
srcPort, destPort, protocol := splitStringInPort(port)
switch {
case destPort == dest && len(protocol) <= 0:
s.Ports = append(s.Ports, fmt.Sprintf("%s%s%s", srcPort, portDelimiter, destPort))
case destPort == dest && len(protocol) > 0:
s.Ports = append(s.Ports, fmt.Sprintf("%s%s%s%s%s", srcPort, portDelimiter, destPort, portProtocolDelimiter, protocol))
}
}
s.Ports = ports
}
// RemoveVolume remove all found volumes from the internal slice matching by the
// dest path.
func (s *Service) RemoveVolume(dest string) {
volumes := make([]string, 0)
for _, volume := range s.Volumes {
srcPath, destPath, perm := splitStringInVolume(volume)
switch {
case destPath == dest && len(perm) <= 0:
s.Volumes = append(s.Volumes, fmt.Sprintf("%s%s%s", srcPath, volumeDelimiter, destPath))
case destPath == dest && len(perm) > 0:
s.Volumes = append(s.Volumes, fmt.Sprintf("%s%s%s%s%s", srcPath, volumeDelimiter, destPath, volumeDelimiter, perm))
}
}
s.Volumes = volumes
}
// SetEnvironment add or overwrite an existing environment variable.
func (s *Service) SetEnvironment(name string, value string) {
s.RemoveEnvironment(name)
s.Environments = append(s.Environments, fmt.Sprintf("%s%s%s", name, environmentDelimiter, value))
}
// SetLabel add or overwrite an existing label.
func (s *Service) SetLabel(name string, value string) {
s.RemoveLabel(name)
s.Labels = append(s.Labels, fmt.Sprintf("%s%s%s", name, labelDelimiter, value))
}
// SetPort add or overwrite an existing port.
func (s *Service) SetPort(src string, dest string, protocol string) {
s.RemovePort(dest)
if len(protocol) <= 0 {
s.Ports = append(s.Ports, fmt.Sprintf("%s%s%s", src, volumeDelimiter, dest))
} else {
s.Ports = append(s.Ports, fmt.Sprintf("%s%s%s%s%s", src, portDelimiter, dest, portProtocolDelimiter, protocol))
}
}
// SetVolume add or overwrite an existing volume.
func (s *Service) SetVolume(src string, dest string, perm string) {
s.RemoveVolume(dest)
if len(perm) <= 0 {
s.Volumes = append(s.Volumes, fmt.Sprintf("%s%s%s", src, volumeDelimiter, dest))
} else {
s.Volumes = append(s.Volumes, fmt.Sprintf("%s%s%s%s%s", src, volumeDelimiter, dest, volumeDelimiter, perm))
}
}
// NewService returns an empty initialized Service.
func NewService() *Service {
return &Service{
CapabilitiesAdd: make([]string, 0),
CapabilitiesDrop: make([]string, 0),
Deploy: new(ServiceDeploy),
Environments: make([]string, 0),
ExtraHosts: make([]string, 0),
Labels: make([]string, 0),
Networks: make(map[string]*ServiceNetwork),
Ports: make([]string, 0),
Secrets: make([]string, 0),
ULimits: new(ServiceULimits),
Volumes: make([]string, 0),
}
}
type ServiceDeploy struct {
Resources *ServiceDeployResources `json:"resources" yaml:"resources"`
}
// Equal returns true if the passed equalable is equal
func (sd *ServiceDeploy) Equal(equalable Equalable) bool {
serviceDeploy, ok := equalable.(*ServiceDeploy)
if !ok {
return false
}
switch {
case sd == nil && serviceDeploy == nil:
return true
case sd != nil && serviceDeploy == nil:
fallthrough
case sd == nil && serviceDeploy != nil:
return false
default:
return sd.Resources.Equal(serviceDeploy.Resources)
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// serviceDeploy with the existing one.
func (sd *ServiceDeploy) MergeLastWin(serviceDeploy *ServiceDeploy) {
switch {
case sd == nil && serviceDeploy == nil:
fallthrough
case sd != nil && serviceDeploy == nil:
return
// WARN: It's not possible to change the memory pointer sd *ServiceDeploy
// to a new initialized serviceDeploy without returning the ServiceDeploy
// it self.
//
// case sd == nil && serviceDeploy != nil:
// sd = NewServiceDeploy()
// fallthrough
default:
sd.mergeLastWinDeployResources(serviceDeploy.Resources)
}
}
func (sd *ServiceDeploy) mergeLastWinDeployResources(resources *ServiceDeployResources) {
switch {
case sd.Resources == nil && resources != nil:
sd.Resources = resources
case sd.Resources != nil && resources == nil:
fallthrough
case sd.Resources == nil && resources == nil:
return
default:
sd.Resources.MergeLastWin(resources)
}
}
func NewServiceDeploy() *ServiceDeploy {
return &ServiceDeploy{
Resources: new(ServiceDeployResources),
}
}
type ServiceDeployResources struct {
Limits *ServiceDeployResourcesLimits `json:"limits,omitempty" yaml:"limits,omitempty"`
Reservations *ServiceDeployResourcesLimits `json:"reservations,omitempty" yaml:"reservations,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (sdr *ServiceDeployResources) Equal(equalable Equalable) bool {
serviceDeployResources, ok := equalable.(*ServiceDeployResources)
if !ok {
return false
}
switch {
case sdr == nil && serviceDeployResources == nil:
return true
case sdr != nil && serviceDeployResources == nil:
fallthrough
case sdr == nil && serviceDeployResources != nil:
return false
default:
return sdr.Limits.Equal(serviceDeployResources.Limits) &&
sdr.Reservations.Equal(serviceDeployResources.Reservations)
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// serviceDeployResources with the existing one.
func (sdr *ServiceDeployResources) MergeLastWin(serviceDeployResources *ServiceDeployResources) {
switch {
case sdr == nil && serviceDeployResources == nil:
fallthrough
case sdr != nil && serviceDeployResources == nil:
return
// WARN: It's not possible to change the memory pointer sdr *ServiceDeployResources
// to a new initialized serviceDeployResources without returning the
// serviceDeployResources it self.
case sdr == nil && serviceDeployResources != nil:
sdr = NewServiceDeployResources()
fallthrough
default:
sdr.mergeLastWinLimits(serviceDeployResources.Limits)
sdr.mergeLastWinReservations(serviceDeployResources.Reservations)
}
}
func (sdr *ServiceDeployResources) mergeLastWinLimits(limits *ServiceDeployResourcesLimits) {
switch {
case sdr.Limits == nil && limits != nil:
sdr.Limits = limits
case sdr.Limits != nil && limits == nil:
fallthrough
case sdr.Limits == nil && limits == nil:
return
default:
sdr.Limits.MergeLastWin(limits)
}
}
func (sdr *ServiceDeployResources) mergeLastWinReservations(reservations *ServiceDeployResourcesLimits) {
switch {
case sdr.Reservations == nil && reservations != nil:
sdr.Reservations = reservations
case sdr.Reservations != nil && reservations == nil:
fallthrough
case sdr.Reservations == nil && reservations == nil:
return
default:
sdr.Reservations.MergeLastWin(reservations)
}
}
func NewServiceDeployResources() *ServiceDeployResources {
return &ServiceDeployResources{
Limits: new(ServiceDeployResourcesLimits),
Reservations: new(ServiceDeployResourcesLimits),
}
}
type ServiceDeployResourcesLimits struct {
CPUs string `json:"cpus,omitempty" yaml:"cpus,omitempty"`
Memory string `json:"memory,omitempty" yaml:"memory,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (sdrl *ServiceDeployResourcesLimits) Equal(equalable Equalable) bool {
serviceDeployResourcesLimits, ok := equalable.(*ServiceDeployResourcesLimits)
if !ok {
return false
}
switch {
case sdrl == nil && serviceDeployResourcesLimits == nil:
return true
case sdrl != nil && serviceDeployResourcesLimits == nil:
fallthrough
case sdrl == nil && serviceDeployResourcesLimits != nil:
return false
default:
return sdrl.CPUs == serviceDeployResourcesLimits.CPUs &&
sdrl.Memory == serviceDeployResourcesLimits.Memory
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// serviceDeployResourcesLimits with the existing one.
func (sdrl *ServiceDeployResourcesLimits) MergeLastWin(serviceDeployResourcesLimits *ServiceDeployResourcesLimits) {
switch {
case sdrl == nil && serviceDeployResourcesLimits == nil:
fallthrough
case sdrl != nil && serviceDeployResourcesLimits == nil:
return
// WARN: It's not possible to change the memory pointer sdrl *ServiceDeployResourcesLimits
// to a new initialized serviceDeployResourcesLimits without returning the
// serviceDeployResourcesLimits it self.
//
// case sdrl == nil && serviceDeployResourcesLimits != nil:
// sdrl = NewServiceDeployResourcesLimits()
// fallthrough
default:
sdrl.mergeLastWinCPUs(serviceDeployResourcesLimits.CPUs)
sdrl.mergeLastWinMemory(serviceDeployResourcesLimits.Memory)
}
}
func (sdrl *ServiceDeployResourcesLimits) mergeLastWinCPUs(cpus string) {
if sdrl.CPUs != cpus {
sdrl.CPUs = cpus
}
}
func (sdrl *ServiceDeployResourcesLimits) mergeLastWinMemory(memory string) {
if sdrl.Memory != memory {
sdrl.Memory = memory
}
}
func NewServiceDeployResourcesLimits() *ServiceDeployResourcesLimits {
return &ServiceDeployResourcesLimits{}
}
type ServiceNetwork struct {
Aliases []string `json:"aliases,omitempty" yaml:"aliases,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (sn *ServiceNetwork) Equal(equalable Equalable) bool {
serviceNetwork, ok := equalable.(*ServiceNetwork)
if !ok {
return false
}
switch {
case sn == nil && serviceNetwork == nil:
return true
case sn != nil && serviceNetwork == nil:
fallthrough
case sn == nil && serviceNetwork != nil:
return false
default:
return equalSlice(sn.Aliases, serviceNetwork.Aliases)
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// serviceNetwork with the existing one.
func (sn *ServiceNetwork) MergeLastWin(serviceNetwork *ServiceNetwork) {
switch {
case sn == nil && serviceNetwork == nil:
fallthrough
case sn != nil && serviceNetwork == nil:
return
// WARN: It's not possible to change the memory pointer sn *ServiceNetwork to a new
// initialized ServiceNetwork without returning the serviceNetwork it self.
//
// case l == nil && serviceULimits != nil:
// l = NewServiceULimits()
// fallthrough
case sn == nil && serviceNetwork != nil:
sn = NewServiceNetwork()
fallthrough
default:
sn.mergeLastWinAliases(serviceNetwork.Aliases)
}
}
func (sn *ServiceNetwork) mergeLastWinAliases(aliases []string) {
for _, alias := range aliases {
if !existsInSlice(sn.Aliases, alias) {
sn.Aliases = append(sn.Aliases, alias)
}
}
}
func NewServiceNetwork() *ServiceNetwork {
return &ServiceNetwork{
Aliases: make([]string, 0),
}
}
type ServiceULimits struct {
NProc uint `json:"nproc,omitempty" yaml:"nproc,omitempty"`
NoFile *ServiceULimitsNoFile `json:"nofile,omitempty" yaml:"nofile,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (l *ServiceULimits) Equal(equalable Equalable) bool {
serviceULimits, ok := equalable.(*ServiceULimits)
if !ok {
return false
}
switch {
case l == nil && serviceULimits == nil:
return true
case l != nil && serviceULimits == nil:
fallthrough
case l == nil && serviceULimits != nil:
return false
default:
return l.NProc == serviceULimits.NProc &&
l.NoFile.Equal(serviceULimits.NoFile)
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// ServiceULimits with the existing one.
func (l *ServiceULimits) MergeLastWin(serviceULimits *ServiceULimits) {
switch {
case l == nil && serviceULimits == nil:
fallthrough
case l != nil && serviceULimits == nil:
return
// WARN: It's not possible to change the memory pointer l *ServiceULimits to a new
// initialized ServiceULimits without returning the serviceULimits it self.
//
// case l == nil && serviceULimits != nil:
// l = NewServiceULimits()
// fallthrough
default:
l.mergeLastWinNProc(serviceULimits.NProc)
l.mergeLastWinNoFile(serviceULimits.NoFile)
}
}
func (l *ServiceULimits) mergeLastWinNProc(nproc uint) {
if l.NProc != nproc {
l.NProc = nproc
}
}
func (l *ServiceULimits) mergeLastWinNoFile(noFile *ServiceULimitsNoFile) {
if !l.NoFile.Equal(noFile) {
l.NoFile.MergeLastWin(noFile)
}
}
func NewServiceULimits() *ServiceULimits {
return &ServiceULimits{
NoFile: new(ServiceULimitsNoFile),
}
}
type ServiceULimitsNoFile struct {
Hard uint `json:"hard" yaml:"hard"`
Soft uint `json:"soft" yaml:"soft"`
}
// Equal returns true if the passed equalable is equal
func (nf *ServiceULimitsNoFile) Equal(equalable Equalable) bool {
serviceULimitsNoFile, ok := equalable.(*ServiceULimitsNoFile)
if !ok {
return false
}
switch {
case nf == nil && serviceULimitsNoFile == nil:
return true
case nf != nil && serviceULimitsNoFile == nil:
fallthrough
case nf == nil && serviceULimitsNoFile != nil:
return false
default:
return nf.Hard == serviceULimitsNoFile.Hard &&
nf.Soft == serviceULimitsNoFile.Soft
}
}
// MergeLastWin merges adds or overwrite the attributes of the passed
// ServiceULimits with the existing one.
func (nf *ServiceULimitsNoFile) MergeLastWin(serviceULimitsNoFile *ServiceULimitsNoFile) {
switch {
case nf == nil && serviceULimitsNoFile == nil:
fallthrough
case nf != nil && serviceULimitsNoFile == nil:
return
// WARN: It's not possible to change the memory pointer nf *ServiceULimitsNoFile
// to a new initialized ServiceULimitsNoFile without returning the serviceULimitsNoFile
// it self.
//
// case nf == nil && serviceULimitsNoFile != nil:
// nf = NewServiceULimitsNoFile()
// fallthrough
default:
nf.mergeLastWinHard(serviceULimitsNoFile.Hard)
nf.mergeLastWinSoft(serviceULimitsNoFile.Soft)
}
}
func (nf *ServiceULimitsNoFile) mergeLastWinHard(hard uint) {
if nf.Hard != hard {
nf.Hard = hard
}
}
func (nf *ServiceULimitsNoFile) mergeLastWinSoft(soft uint) {
if nf.Soft != soft {
nf.Soft = soft
}
}
func NewServiceULimitsNoFile() *ServiceULimitsNoFile {
return &ServiceULimitsNoFile{}
}
type Volume struct {
External bool `json:"external,omitempty" yaml:"external,omitempty"`
}
// Equal returns true if the passed equalable is equal
func (v *Volume) Equal(equalable Equalable) bool {
volume, ok := equalable.(*Volume)
if !ok {
return false
}
switch {
case v == nil && volume == nil:
return true
case v != nil && volume == nil:
fallthrough
case v == nil && volume != nil:
return false
default:
return v.External == volume.External
}
}
func (v *Volume) MergeLastWin(volume *Volume) {
switch {
case v == nil && volume == nil:
fallthrough
case v != nil && volume == nil:
return
// WARN: It's not possible to change the memory pointer v *Volume to a new
// initialized Volume without returning the volume it self.
//
// case v == nil && volume != nil:
// v = NewVolume()
// fallthrough
default:
v.mergeLastWinExternal(volume.External)
}
}
func (v *Volume) mergeLastWinExternal(external bool) {
if v.External != external {
v.External = external
}
}
func NewVolume() *Volume {
return &Volume{
External: false,
}
}
// existsInSlice returns true when the passed comparable K exists in slice of
// comparables []K.
func existsInSlice[K comparable](comparables []K, k K) bool {
for _, c := range comparables {
if c == k {
return true
}
}
return false
}
func equalSlice[K comparable](sliceA []K, sliceB []K) bool {
equalFunc := func(sliceA []K, sliceB []K) bool {
LOOP:
for i := range sliceA {
for j := range sliceB {
if sliceA[i] == sliceB[j] {
continue LOOP
}
}
return false
}
return true
}
return equalFunc(sliceA, sliceB) && equalFunc(sliceB, sliceA)
}
func splitStringInKeyValue(s, sep string) (string, string) {
key := strings.Split(s, sep)[0]
value := strings.TrimPrefix(s, fmt.Sprintf("%s%s", key, sep))
return key, value
}
func splitStringInPort(s string) (string, string, string) {
parts := strings.Split(s, portDelimiter)
src := parts[0]
rest := parts[1]
parts = strings.Split(rest, portProtocolDelimiter)
if len(parts) == 2 {
return src, parts[0], parts[1]
}
return src, parts[0], ""
}
func splitStringInVolume(s string) (string, string, string) {
parts := strings.Split(s, volumeDelimiter)
src := parts[0]
dest := parts[1]
if len(parts) == 3 && len(parts[2]) > 0 {
perm := parts[2]
return src, dest, perm
}
return src, dest, ""
}