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engine.go
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engine.go
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package acsengine
import (
"bytes"
"compress/gzip"
"encoding/base64"
"encoding/binary"
"encoding/json"
"errors"
"fmt"
"hash/fnv"
"io/ioutil"
"log"
"math/rand"
"net"
"net/http"
"regexp"
"runtime/debug"
"sort"
"strconv"
"strings"
"text/template"
//log "github.com/sirupsen/logrus"
"github.com/Azure/acs-engine/pkg/api"
"github.com/Azure/acs-engine/pkg/helpers"
"github.com/Azure/acs-engine/pkg/i18n"
"github.com/Masterminds/semver"
"github.com/ghodss/yaml"
)
const (
kubernetesMasterCustomDataYaml = "k8s/kubernetesmastercustomdata.yml"
kubernetesMasterCustomScript = "k8s/kubernetesmastercustomscript.sh"
kubernetesMountetcd = "k8s/kubernetes_mountetcd.sh"
kubernetesMasterGenerateProxyCertsScript = "k8s/kubernetesmastergenerateproxycertscript.sh"
kubernetesAgentCustomDataYaml = "k8s/kubernetesagentcustomdata.yml"
kubeConfigJSON = "k8s/kubeconfig.json"
kubernetesWindowsAgentCustomDataPS1 = "k8s/kuberneteswindowssetup.ps1"
)
const (
dcosCustomData188 = "dcos/dcoscustomdata188.t"
dcosCustomData190 = "dcos/dcoscustomdata190.t"
dcosCustomData110 = "dcos/dcoscustomdata110.t"
dcosProvision = "dcos/dcosprovision.sh"
dcosWindowsProvision = "dcos/dcosWindowsProvision.ps1"
)
const (
swarmProvision = "swarm/configure-swarm-cluster.sh"
swarmWindowsProvision = "swarm/Install-ContainerHost-And-Join-Swarm.ps1"
swarmModeProvision = "swarm/configure-swarmmode-cluster.sh"
swarmModeWindowsProvision = "swarm/Join-SwarmMode-cluster.ps1"
)
const (
agentOutputs = "agentoutputs.t"
agentParams = "agentparams.t"
classicParams = "classicparams.t"
dcosAgentResourcesVMAS = "dcos/dcosagentresourcesvmas.t"
dcosWindowsAgentResourcesVMAS = "dcos/dcosWindowsAgentResourcesVmas.t"
dcosAgentResourcesVMSS = "dcos/dcosagentresourcesvmss.t"
dcosWindowsAgentResourcesVMSS = "dcos/dcosWindowsAgentResourcesVmss.t"
dcosAgentVars = "dcos/dcosagentvars.t"
dcosBaseFile = "dcos/dcosbase.t"
dcosParams = "dcos/dcosparams.t"
dcosMasterResources = "dcos/dcosmasterresources.t"
dcosMasterVars = "dcos/dcosmastervars.t"
iaasOutputs = "iaasoutputs.t"
kubernetesBaseFile = "k8s/kubernetesbase.t"
kubernetesAgentResourcesVMAS = "k8s/kubernetesagentresourcesvmas.t"
kubernetesAgentVars = "k8s/kubernetesagentvars.t"
kubernetesMasterResources = "k8s/kubernetesmasterresources.t"
kubernetesMasterVars = "k8s/kubernetesmastervars.t"
kubernetesParams = "k8s/kubernetesparams.t"
kubernetesWinAgentVars = "k8s/kuberneteswinagentresourcesvmas.t"
masterOutputs = "masteroutputs.t"
masterParams = "masterparams.t"
swarmBaseFile = "swarm/swarmbase.t"
swarmParams = "swarm/swarmparams.t"
swarmAgentResourcesVMAS = "swarm/swarmagentresourcesvmas.t"
swarmAgentResourcesVMSS = "swarm/swarmagentresourcesvmss.t"
swarmAgentResourcesClassic = "swarm/swarmagentresourcesclassic.t"
swarmAgentVars = "swarm/swarmagentvars.t"
swarmMasterResources = "swarm/swarmmasterresources.t"
swarmMasterVars = "swarm/swarmmastervars.t"
swarmWinAgentResourcesVMAS = "swarm/swarmwinagentresourcesvmas.t"
swarmWinAgentResourcesVMSS = "swarm/swarmwinagentresourcesvmss.t"
windowsParams = "windowsparams.t"
)
const (
azurePublicCloud = "AzurePublicCloud"
azureChinaCloud = "AzureChinaCloud"
azureGermanCloud = "AzureGermanCloud"
azureUSGovernmentCloud = "AzureUSGovernmentCloud"
)
var commonTemplateFiles = []string{agentOutputs, agentParams, classicParams, masterOutputs, iaasOutputs, masterParams, windowsParams}
var dcosTemplateFiles = []string{dcosBaseFile, dcosAgentResourcesVMAS, dcosAgentResourcesVMSS, dcosAgentVars, dcosMasterResources, dcosMasterVars, dcosParams, dcosWindowsAgentResourcesVMAS, dcosWindowsAgentResourcesVMSS}
var kubernetesTemplateFiles = []string{kubernetesBaseFile, kubernetesAgentResourcesVMAS, kubernetesAgentVars, kubernetesMasterResources, kubernetesMasterVars, kubernetesParams, kubernetesWinAgentVars}
var swarmTemplateFiles = []string{swarmBaseFile, swarmParams, swarmAgentResourcesVMAS, swarmAgentVars, swarmAgentResourcesVMSS, swarmAgentResourcesClassic, swarmBaseFile, swarmMasterResources, swarmMasterVars, swarmWinAgentResourcesVMAS, swarmWinAgentResourcesVMSS}
var swarmModeTemplateFiles = []string{swarmBaseFile, swarmParams, swarmAgentResourcesVMAS, swarmAgentVars, swarmAgentResourcesVMSS, swarmAgentResourcesClassic, swarmBaseFile, swarmMasterResources, swarmMasterVars, swarmWinAgentResourcesVMAS, swarmWinAgentResourcesVMSS}
/**
The following parameters could be either a plain text, or referenced to a secret in a keyvault:
- apiServerCertificate
- apiServerPrivateKey
- caCertificate
- clientCertificate
- clientPrivateKey
- kubeConfigCertificate
- kubeConfigPrivateKey
- servicePrincipalClientSecret
- etcdClientCertificate
- etcdClientPrivateKey
- etcdServerCertificate
- etcdServerPrivateKey
- etcdPeerCertificates
- etcdPeerPrivateKeys
To refer to a keyvault secret, the value of the parameter in the api model file should be formatted as:
"<PARAMETER>": "/subscriptions/<SUB_ID>/resourceGroups/<RG_NAME>/providers/Microsoft.KeyVault/vaults/<KV_NAME>/secrets/<NAME>[/<VERSION>]"
where:
<SUB_ID> is the subscription ID of the keyvault
<RG_NAME> is the resource group of the keyvault
<KV_NAME> is the name of the keyvault
<NAME> is the name of the secret.
<VERSION> (optional) is the version of the secret (default: the latest version)
This will generate a reference block in the parameters file:
"reference": {
"keyVault": {
"id": "/subscriptions/<SUB_ID>/resourceGroups/<RG_NAME>/providers/Microsoft.KeyVault/vaults/<KV_NAME>"
},
"secretName": "<NAME>"
"secretVersion": "<VERSION>"
}
**/
// KeyVaultID represents a KeyVault instance on Azure
type KeyVaultID struct {
ID string `json:"id"`
}
// KeyVaultRef represents a reference to KeyVault instance on Azure
type KeyVaultRef struct {
KeyVault KeyVaultID `json:"keyVault"`
SecretName string `json:"secretName"`
SecretVersion string `json:"secretVersion,omitempty"`
}
type paramsMap map[string]interface{}
var keyvaultSecretPathRe *regexp.Regexp
func init() {
keyvaultSecretPathRe = regexp.MustCompile(`^(/subscriptions/\S+/resourceGroups/\S+/providers/Microsoft.KeyVault/vaults/\S+)/secrets/([^/\s]+)(/(\S+))?$`)
}
func (t *TemplateGenerator) verifyFiles() error {
allFiles := commonTemplateFiles
allFiles = append(allFiles, dcosTemplateFiles...)
allFiles = append(allFiles, kubernetesTemplateFiles...)
allFiles = append(allFiles, swarmTemplateFiles...)
for _, file := range allFiles {
if _, err := Asset(file); err != nil {
return t.Translator.Errorf("template file %s does not exist", file)
}
}
return nil
}
// TemplateGenerator represents the object that performs the template generation.
type TemplateGenerator struct {
ClassicMode bool
Translator *i18n.Translator
}
// InitializeTemplateGenerator creates a new template generator object
func InitializeTemplateGenerator(ctx Context, classicMode bool) (*TemplateGenerator, error) {
t := &TemplateGenerator{
ClassicMode: classicMode,
Translator: ctx.Translator,
}
if err := t.verifyFiles(); err != nil {
return nil, err
}
return t, nil
}
// GenerateTemplate generates the template from the API Model
func (t *TemplateGenerator) GenerateTemplate(containerService *api.ContainerService, generatorCode string) (templateRaw string, parametersRaw string, certsGenerated bool, err error) {
// named return values are used in order to set err in case of a panic
templateRaw = ""
parametersRaw = ""
err = nil
var templ *template.Template
properties := containerService.Properties
// save the current orchestrator version and restore it after deploying.
// this allows us to deploy agents on the most recent patch without updating the orchestator version in the object
orchVersion := properties.OrchestratorProfile.OrchestratorVersion
defer func() {
properties.OrchestratorProfile.OrchestratorVersion = orchVersion
}()
if certsGenerated, err = SetPropertiesDefaults(containerService); err != nil {
return templateRaw, parametersRaw, certsGenerated, err
}
templ = template.New("acs template").Funcs(t.getTemplateFuncMap(containerService))
files, baseFile, e := t.prepareTemplateFiles(properties)
if e != nil {
return "", "", false, e
}
for _, file := range files {
bytes, e := Asset(file)
if e != nil {
err = t.Translator.Errorf("Error reading file %s, Error: %s", file, e.Error())
return templateRaw, parametersRaw, certsGenerated, err
}
if _, err = templ.New(file).Parse(string(bytes)); err != nil {
return templateRaw, parametersRaw, certsGenerated, err
}
}
// template generation may have panics in the called functions. This catches those panics
// and ensures the panic is returned as an error
defer func() {
if r := recover(); r != nil {
s := debug.Stack()
err = fmt.Errorf("%v - %s", r, s)
// invalidate the template and the parameters
templateRaw = ""
parametersRaw = ""
}
}()
if !ValidateDistro(containerService) {
return templateRaw, parametersRaw, certsGenerated, fmt.Errorf("Invalid distro")
}
var b bytes.Buffer
if err = templ.ExecuteTemplate(&b, baseFile, properties); err != nil {
return templateRaw, parametersRaw, certsGenerated, err
}
templateRaw = b.String()
var parametersMap paramsMap
if parametersMap, err = getParameters(containerService, t.ClassicMode, generatorCode); err != nil {
return templateRaw, parametersRaw, certsGenerated, err
}
var parameterBytes []byte
if parameterBytes, err = helpers.JSONMarshal(parametersMap, false); err != nil {
return templateRaw, parametersRaw, certsGenerated, err
}
parametersRaw = string(parameterBytes)
return templateRaw, parametersRaw, certsGenerated, err
}
// GenerateClusterID creates a unique 8 string cluster ID
func GenerateClusterID(properties *api.Properties) string {
uniqueNameSuffixSize := 8
// the name suffix uniquely identifies the cluster and is generated off a hash
// from the master dns name
h := fnv.New64a()
if properties.MasterProfile != nil {
h.Write([]byte(properties.MasterProfile.DNSPrefix))
} else if properties.HostedMasterProfile != nil {
h.Write([]byte(properties.HostedMasterProfile.DNSPrefix))
} else {
h.Write([]byte(properties.AgentPoolProfiles[0].Name))
}
rand.Seed(int64(h.Sum64()))
return fmt.Sprintf("%08d", rand.Uint32())[:uniqueNameSuffixSize]
}
// GenerateKubeConfig returns a JSON string representing the KubeConfig
func GenerateKubeConfig(properties *api.Properties, location string) (string, error) {
b, err := Asset(kubeConfigJSON)
if err != nil {
return "", fmt.Errorf("error reading kube config template file %s: %s", kubeConfigJSON, err.Error())
}
kubeconfig := string(b)
// variable replacement
kubeconfig = strings.Replace(kubeconfig, "{{WrapAsVerbatim \"variables('caCertificate')\"}}", base64.StdEncoding.EncodeToString([]byte(properties.CertificateProfile.CaCertificate)), -1)
kubeconfig = strings.Replace(kubeconfig, "{{WrapAsVerbatim \"reference(concat('Microsoft.Network/publicIPAddresses/', variables('masterPublicIPAddressName'))).dnsSettings.fqdn\"}}", FormatAzureProdFQDN(properties.MasterProfile.DNSPrefix, location), -1)
kubeconfig = strings.Replace(kubeconfig, "{{WrapAsVariable \"resourceGroup\"}}", properties.MasterProfile.DNSPrefix, -1)
var authInfo string
if properties.AADProfile == nil {
authInfo = fmt.Sprintf("{\"client-certificate-data\":\"%v\",\"client-key-data\":\"%v\"}",
base64.StdEncoding.EncodeToString([]byte(properties.CertificateProfile.KubeConfigCertificate)),
base64.StdEncoding.EncodeToString([]byte(properties.CertificateProfile.KubeConfigPrivateKey)))
} else {
tenantID := properties.AADProfile.TenantID
if len(tenantID) == 0 {
tenantID = "common"
}
authInfo = fmt.Sprintf("{\"auth-provider\":{\"name\":\"azure\",\"config\":{\"environment\":\"%v\",\"tenant-id\":\"%v\",\"apiserver-id\":\"%v\",\"client-id\":\"%v\"}}}",
GetCloudTargetEnv(location),
tenantID,
properties.AADProfile.ServerAppID,
properties.AADProfile.ClientAppID)
}
kubeconfig = strings.Replace(kubeconfig, "{{authInfo}}", authInfo, -1)
return kubeconfig, nil
}
func (t *TemplateGenerator) prepareTemplateFiles(properties *api.Properties) ([]string, string, error) {
var files []string
var baseFile string
switch properties.OrchestratorProfile.OrchestratorType {
case api.DCOS:
files = append(commonTemplateFiles, dcosTemplateFiles...)
baseFile = dcosBaseFile
case api.Swarm:
files = append(commonTemplateFiles, swarmTemplateFiles...)
baseFile = swarmBaseFile
case api.Kubernetes:
files = append(commonTemplateFiles, kubernetesTemplateFiles...)
baseFile = kubernetesBaseFile
case api.SwarmMode:
files = append(commonTemplateFiles, swarmModeTemplateFiles...)
baseFile = swarmBaseFile
default:
return nil, "", t.Translator.Errorf("orchestrator '%s' is unsupported", properties.OrchestratorProfile.OrchestratorType)
}
return files, baseFile, nil
}
// FormatAzureProdFQDNs constructs all possible Azure prod fqdn
func FormatAzureProdFQDNs(fqdnPrefix string) []string {
var fqdns []string
for _, location := range AzureLocations {
fqdns = append(fqdns, FormatAzureProdFQDN(fqdnPrefix, location))
}
return fqdns
}
// FormatAzureProdFQDN constructs an Azure prod fqdn
func FormatAzureProdFQDN(fqdnPrefix string, location string) string {
FQDNFormat := AzureCloudSpec.EndpointConfig.ResourceManagerVMDNSSuffix
if location == "chinaeast" || location == "chinanorth" {
FQDNFormat = AzureChinaCloudSpec.EndpointConfig.ResourceManagerVMDNSSuffix
} else if location == "germanynortheast" || location == "germanycentral" {
FQDNFormat = AzureGermanCloudSpec.EndpointConfig.ResourceManagerVMDNSSuffix
} else if location == "usgovvirginia" || location == "usgoviowa" || location == "usgovarizona" || location == "usgovtexas" {
FQDNFormat = AzureUSGovernmentCloud.EndpointConfig.ResourceManagerVMDNSSuffix
}
return fmt.Sprintf("%s.%s."+FQDNFormat, fqdnPrefix, location)
}
//GetCloudSpecConfig returns the kubenernetes container images url configurations based on the deploy target environment
//for example: if the target is the public azure, then the default container image url should be k8s-gcrio.azureedge.net/...
//if the target is azure china, then the default container image should be mirror.azure.cn:5000/google_container/...
func GetCloudSpecConfig(location string) AzureEnvironmentSpecConfig {
switch GetCloudTargetEnv(location) {
case azureChinaCloud:
return AzureChinaCloudSpec
case azureGermanCloud:
return AzureGermanCloudSpec
case azureUSGovernmentCloud:
return AzureUSGovernmentCloud
default:
return AzureCloudSpec
}
}
// ValidateDistro checks if the requested orchestrator type is supported on the requested Linux distro.
func ValidateDistro(cs *api.ContainerService) bool {
// Check Master distro
if cs.Properties.MasterProfile != nil && cs.Properties.MasterProfile.Distro == api.RHEL && cs.Properties.OrchestratorProfile.OrchestratorType != api.SwarmMode {
log.Fatalf("Orchestrator type %s not suported on RHEL Master", cs.Properties.OrchestratorProfile.OrchestratorType)
return false
}
// Check Agent distros
for _, agentProfile := range cs.Properties.AgentPoolProfiles {
if agentProfile.Distro == api.RHEL && cs.Properties.OrchestratorProfile.OrchestratorType != api.SwarmMode {
log.Fatalf("Orchestrator type %s not suported on RHEL Agent", cs.Properties.OrchestratorProfile.OrchestratorType)
return false
}
}
return true
}
// GetCloudTargetEnv determines and returns whether the region is a sovereign cloud which
// have their own data compliance regulations (China/Germany/USGov) or standard
// Azure public cloud
func GetCloudTargetEnv(location string) string {
loc := strings.ToLower(strings.Join(strings.Fields(location), ""))
switch {
case loc == "chinaeast" || loc == "chinanorth":
return azureChinaCloud
case loc == "germanynortheast" || loc == "germanycentral":
return azureGermanCloud
case strings.HasPrefix(loc, "usgov") || strings.HasPrefix(loc, "usdod"):
return azureUSGovernmentCloud
default:
return azurePublicCloud
}
}
func getParameters(cs *api.ContainerService, isClassicMode bool, generatorCode string) (paramsMap, error) {
properties := cs.Properties
location := cs.Location
parametersMap := paramsMap{}
cloudSpecConfig := GetCloudSpecConfig(location)
// Master Parameters
addValue(parametersMap, "location", location)
// Identify Master distro
masterDistro := getMasterDistro(properties.MasterProfile)
addValue(parametersMap, "osImageOffer", cloudSpecConfig.OSImageConfig[masterDistro].ImageOffer)
addValue(parametersMap, "osImageSKU", cloudSpecConfig.OSImageConfig[masterDistro].ImageSku)
addValue(parametersMap, "osImagePublisher", cloudSpecConfig.OSImageConfig[masterDistro].ImagePublisher)
addValue(parametersMap, "osImageVersion", cloudSpecConfig.OSImageConfig[masterDistro].ImageVersion)
addValue(parametersMap, "fqdnEndpointSuffix", cloudSpecConfig.EndpointConfig.ResourceManagerVMDNSSuffix)
addValue(parametersMap, "targetEnvironment", GetCloudTargetEnv(location))
addValue(parametersMap, "linuxAdminUsername", properties.LinuxProfile.AdminUsername)
// masterEndpointDNSNamePrefix is the basis for storage account creation across dcos, swarm, and k8s
if properties.MasterProfile != nil {
// MasterProfile exists, uses master DNS prefix
addValue(parametersMap, "masterEndpointDNSNamePrefix", properties.MasterProfile.DNSPrefix)
} else if properties.HostedMasterProfile != nil {
// Agents only, use cluster DNS prefix
addValue(parametersMap, "masterEndpointDNSNamePrefix", properties.HostedMasterProfile.DNSPrefix)
}
if properties.MasterProfile != nil {
if properties.MasterProfile.IsCustomVNET() {
addValue(parametersMap, "masterVnetSubnetID", properties.MasterProfile.VnetSubnetID)
if properties.OrchestratorProfile.IsKubernetes() {
addValue(parametersMap, "vnetCidr", properties.MasterProfile.VnetCidr)
}
} else {
addValue(parametersMap, "masterSubnet", properties.MasterProfile.Subnet)
}
addValue(parametersMap, "firstConsecutiveStaticIP", properties.MasterProfile.FirstConsecutiveStaticIP)
addValue(parametersMap, "masterVMSize", properties.MasterProfile.VMSize)
if isClassicMode {
addValue(parametersMap, "masterCount", properties.MasterProfile.Count)
}
}
if properties.HostedMasterProfile != nil {
addValue(parametersMap, "masterSubnet", properties.HostedMasterProfile.Subnet)
}
addValue(parametersMap, "sshRSAPublicKey", properties.LinuxProfile.SSH.PublicKeys[0].KeyData)
for i, s := range properties.LinuxProfile.Secrets {
addValue(parametersMap, fmt.Sprintf("linuxKeyVaultID%d", i), s.SourceVault.ID)
for j, c := range s.VaultCertificates {
addValue(parametersMap, fmt.Sprintf("linuxKeyVaultID%dCertificateURL%d", i, j), c.CertificateURL)
}
}
//Swarm and SwarmMode Parameters
if properties.OrchestratorProfile.OrchestratorType == api.Swarm || properties.OrchestratorProfile.OrchestratorType == api.SwarmMode {
var dockerEngineRepo, dockerComposeDownloadURL string
if cloudSpecConfig.DockerSpecConfig.DockerEngineRepo == "" {
dockerEngineRepo = DefaultDockerEngineRepo
} else {
dockerEngineRepo = cloudSpecConfig.DockerSpecConfig.DockerEngineRepo
}
if cloudSpecConfig.DockerSpecConfig.DockerComposeDownloadURL == "" {
dockerComposeDownloadURL = DefaultDockerComposeURL
} else {
dockerComposeDownloadURL = cloudSpecConfig.DockerSpecConfig.DockerComposeDownloadURL
}
addValue(parametersMap, "dockerEngineDownloadRepo", dockerEngineRepo)
addValue(parametersMap, "dockerComposeDownloadURL", dockerComposeDownloadURL)
}
// Kubernetes Parameters
if properties.OrchestratorProfile.OrchestratorType == api.Kubernetes {
k8sVersion := properties.OrchestratorProfile.OrchestratorVersion
kubernetesHyperkubeSpec := properties.OrchestratorProfile.KubernetesConfig.KubernetesImageBase + KubeConfigs[k8sVersion]["hyperkube"]
if properties.OrchestratorProfile.KubernetesConfig.CustomHyperkubeImage != "" {
kubernetesHyperkubeSpec = properties.OrchestratorProfile.KubernetesConfig.CustomHyperkubeImage
}
dockerEngineVersion := KubeConfigs[k8sVersion]["dockerEngineVersion"]
if properties.OrchestratorProfile.KubernetesConfig.DockerEngineVersion != "" {
dockerEngineVersion = properties.OrchestratorProfile.KubernetesConfig.DockerEngineVersion
}
if properties.CertificateProfile != nil {
addSecret(parametersMap, "apiServerCertificate", properties.CertificateProfile.APIServerCertificate, true)
addSecret(parametersMap, "apiServerPrivateKey", properties.CertificateProfile.APIServerPrivateKey, true)
addSecret(parametersMap, "caCertificate", properties.CertificateProfile.CaCertificate, true)
addSecret(parametersMap, "caPrivateKey", properties.CertificateProfile.CaPrivateKey, true)
addSecret(parametersMap, "clientCertificate", properties.CertificateProfile.ClientCertificate, true)
addSecret(parametersMap, "clientPrivateKey", properties.CertificateProfile.ClientPrivateKey, true)
addSecret(parametersMap, "kubeConfigCertificate", properties.CertificateProfile.KubeConfigCertificate, true)
addSecret(parametersMap, "kubeConfigPrivateKey", properties.CertificateProfile.KubeConfigPrivateKey, true)
if properties.MasterProfile != nil {
addSecret(parametersMap, "etcdServerCertificate", properties.CertificateProfile.EtcdServerCertificate, true)
addSecret(parametersMap, "etcdServerPrivateKey", properties.CertificateProfile.EtcdServerPrivateKey, true)
addSecret(parametersMap, "etcdClientCertificate", properties.CertificateProfile.EtcdClientCertificate, true)
addSecret(parametersMap, "etcdClientPrivateKey", properties.CertificateProfile.EtcdClientPrivateKey, true)
for i, pc := range properties.CertificateProfile.EtcdPeerCertificates {
addSecret(parametersMap, "etcdPeerCertificate"+strconv.Itoa(i), pc, true)
}
for i, pk := range properties.CertificateProfile.EtcdPeerPrivateKeys {
addSecret(parametersMap, "etcdPeerPrivateKey"+strconv.Itoa(i), pk, true)
}
}
}
if properties.HostedMasterProfile != nil && properties.HostedMasterProfile.FQDN != "" {
addValue(parametersMap, "kubernetesEndpoint", properties.HostedMasterProfile.FQDN)
}
if helpers.IsTrueBoolPointer(properties.OrchestratorProfile.KubernetesConfig.UseCloudControllerManager) {
kubernetesCcmSpec := properties.OrchestratorProfile.KubernetesConfig.KubernetesImageBase + KubeConfigs[k8sVersion]["ccm"]
if properties.OrchestratorProfile.KubernetesConfig.CustomCcmImage != "" {
kubernetesCcmSpec = properties.OrchestratorProfile.KubernetesConfig.CustomCcmImage
}
addValue(parametersMap, "kubernetesCcmImageSpec", kubernetesCcmSpec)
}
addValue(parametersMap, "dockerEngineDownloadRepo", cloudSpecConfig.DockerSpecConfig.DockerEngineRepo)
addValue(parametersMap, "kubeDNSServiceIP", properties.OrchestratorProfile.KubernetesConfig.DNSServiceIP)
addValue(parametersMap, "kubeServiceCidr", properties.OrchestratorProfile.KubernetesConfig.ServiceCIDR)
addValue(parametersMap, "kubernetesHyperkubeSpec", kubernetesHyperkubeSpec)
addValue(parametersMap, "dockerEngineVersion", dockerEngineVersion)
addValue(parametersMap, "kubernetesAddonManagerSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["addonmanager"])
addValue(parametersMap, "kubernetesAddonResizerSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["addonresizer"])
addValue(parametersMap, "kubernetesDNSMasqSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["dnsmasq"])
addValue(parametersMap, "kubernetesExecHealthzSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["exechealthz"])
addValue(parametersMap, "kubernetesHeapsterSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["heapster"])
tillerAddon := getAddonByName(properties.OrchestratorProfile.KubernetesConfig.Addons, DefaultTillerAddonName)
c := getAddonContainersIndexByName(tillerAddon.Containers, DefaultTillerAddonName)
if c > -1 {
addValue(parametersMap, "kubernetesTillerCPURequests", tillerAddon.Containers[c].CPURequests)
addValue(parametersMap, "kubernetesTillerCPULimit", tillerAddon.Containers[c].CPULimits)
addValue(parametersMap, "kubernetesTillerMemoryRequests", tillerAddon.Containers[c].MemoryRequests)
addValue(parametersMap, "kubernetesTillerMemoryLimit", tillerAddon.Containers[c].MemoryLimits)
addValue(parametersMap, "kubernetesTillerMaxHistory", tillerAddon.Config["max-history"])
if tillerAddon.Containers[c].Image != "" {
addValue(parametersMap, "kubernetesTillerSpec", tillerAddon.Containers[c].Image)
} else {
addValue(parametersMap, "kubernetesTillerSpec", cloudSpecConfig.KubernetesSpecConfig.TillerImageBase+KubeConfigs[k8sVersion][DefaultTillerAddonName])
}
}
aciConnectorAddon := getAddonByName(properties.OrchestratorProfile.KubernetesConfig.Addons, DefaultACIConnectorAddonName)
c = getAddonContainersIndexByName(aciConnectorAddon.Containers, DefaultACIConnectorAddonName)
if c > -1 {
addValue(parametersMap, "kubernetesACIConnectorClientId", aciConnectorAddon.Config["clientId"])
addValue(parametersMap, "kubernetesACIConnectorClientKey", aciConnectorAddon.Config["clientKey"])
addValue(parametersMap, "kubernetesACIConnectorTenantId", aciConnectorAddon.Config["tenantId"])
addValue(parametersMap, "kubernetesACIConnectorSubscriptionId", aciConnectorAddon.Config["subscriptionId"])
addValue(parametersMap, "kubernetesACIConnectorResourceGroup", aciConnectorAddon.Config["resourceGroup"])
addValue(parametersMap, "kubernetesACIConnectorNodeName", aciConnectorAddon.Config["nodeName"])
addValue(parametersMap, "kubernetesACIConnectorOS", aciConnectorAddon.Config["os"])
addValue(parametersMap, "kubernetesACIConnectorTaint", aciConnectorAddon.Config["taint"])
addValue(parametersMap, "kubernetesACIConnectorRegion", aciConnectorAddon.Config["region"])
addValue(parametersMap, "kubernetesACIConnectorCPURequests", aciConnectorAddon.Containers[c].CPURequests)
addValue(parametersMap, "kubernetesACIConnectorCPULimit", aciConnectorAddon.Containers[c].CPULimits)
addValue(parametersMap, "kubernetesACIConnectorMemoryRequests", aciConnectorAddon.Containers[c].MemoryRequests)
addValue(parametersMap, "kubernetesACIConnectorMemoryLimit", aciConnectorAddon.Containers[c].MemoryLimits)
if aciConnectorAddon.Containers[c].Image != "" {
addValue(parametersMap, "kubernetesACIConnectorSpec", aciConnectorAddon.Containers[c].Image)
} else {
addValue(parametersMap, "kubernetesACIConnectorSpec", cloudSpecConfig.KubernetesSpecConfig.ACIConnectorImageBase+KubeConfigs[k8sVersion][DefaultACIConnectorAddonName])
}
}
dashboardAddon := getAddonByName(properties.OrchestratorProfile.KubernetesConfig.Addons, DefaultDashboardAddonName)
c = getAddonContainersIndexByName(dashboardAddon.Containers, DefaultDashboardAddonName)
if c > -1 {
addValue(parametersMap, "kubernetesDashboardCPURequests", dashboardAddon.Containers[c].CPURequests)
addValue(parametersMap, "kubernetesDashboardCPULimit", dashboardAddon.Containers[c].CPULimits)
addValue(parametersMap, "kubernetesDashboardMemoryRequests", dashboardAddon.Containers[c].MemoryRequests)
addValue(parametersMap, "kubernetesDashboardMemoryLimit", dashboardAddon.Containers[c].MemoryLimits)
if dashboardAddon.Containers[c].Image != "" {
addValue(parametersMap, "kubernetesDashboardSpec", dashboardAddon.Containers[c].Image)
} else {
addValue(parametersMap, "kubernetesDashboardSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion][DefaultDashboardAddonName])
}
}
reschedulerAddon := getAddonByName(properties.OrchestratorProfile.KubernetesConfig.Addons, DefaultReschedulerAddonName)
c = getAddonContainersIndexByName(reschedulerAddon.Containers, DefaultReschedulerAddonName)
if c > -1 {
addValue(parametersMap, "kubernetesReschedulerCPURequests", reschedulerAddon.Containers[c].CPURequests)
addValue(parametersMap, "kubernetesReschedulerCPULimit", reschedulerAddon.Containers[c].CPULimits)
addValue(parametersMap, "kubernetesReschedulerMemoryRequests", reschedulerAddon.Containers[c].MemoryRequests)
addValue(parametersMap, "kubernetesReschedulerMemoryLimit", reschedulerAddon.Containers[c].MemoryLimits)
if reschedulerAddon.Containers[c].Image != "" {
addValue(parametersMap, "kubernetesReschedulerSpec", dashboardAddon.Containers[c].Image)
} else {
addValue(parametersMap, "kubernetesReschedulerSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion][DefaultReschedulerAddonName])
}
}
addValue(parametersMap, "kubernetesKubeDNSSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["dns"])
addValue(parametersMap, "kubernetesPodInfraContainerSpec", cloudSpecConfig.KubernetesSpecConfig.KubernetesImageBase+KubeConfigs[k8sVersion]["pause"])
addValue(parametersMap, "cloudProviderBackoff", strconv.FormatBool(properties.OrchestratorProfile.KubernetesConfig.CloudProviderBackoff))
addValue(parametersMap, "cloudProviderBackoffRetries", strconv.Itoa(properties.OrchestratorProfile.KubernetesConfig.CloudProviderBackoffRetries))
addValue(parametersMap, "cloudProviderBackoffExponent", strconv.FormatFloat(properties.OrchestratorProfile.KubernetesConfig.CloudProviderBackoffExponent, 'f', -1, 64))
addValue(parametersMap, "cloudProviderBackoffDuration", strconv.Itoa(properties.OrchestratorProfile.KubernetesConfig.CloudProviderBackoffDuration))
addValue(parametersMap, "cloudProviderBackoffJitter", strconv.FormatFloat(properties.OrchestratorProfile.KubernetesConfig.CloudProviderBackoffJitter, 'f', -1, 64))
addValue(parametersMap, "cloudProviderRatelimit", strconv.FormatBool(properties.OrchestratorProfile.KubernetesConfig.CloudProviderRateLimit))
addValue(parametersMap, "cloudProviderRatelimitQPS", strconv.FormatFloat(properties.OrchestratorProfile.KubernetesConfig.CloudProviderRateLimitQPS, 'f', -1, 64))
addValue(parametersMap, "cloudProviderRatelimitBucket", strconv.Itoa(properties.OrchestratorProfile.KubernetesConfig.CloudProviderRateLimitBucket))
addValue(parametersMap, "kubeClusterCidr", properties.OrchestratorProfile.KubernetesConfig.ClusterSubnet)
addValue(parametersMap, "kubernetesNonMasqueradeCidr", properties.OrchestratorProfile.KubernetesConfig.KubeletConfig["--non-masquerade-cidr"])
addValue(parametersMap, "generatorCode", generatorCode)
if properties.HostedMasterProfile != nil {
addValue(parametersMap, "orchestratorName", "aks")
} else {
addValue(parametersMap, "orchestratorName", DefaultOrchestratorName)
}
addValue(parametersMap, "dockerBridgeCidr", properties.OrchestratorProfile.KubernetesConfig.DockerBridgeSubnet)
addValue(parametersMap, "networkPolicy", properties.OrchestratorProfile.KubernetesConfig.NetworkPolicy)
addValue(parametersMap, "containerRuntime", properties.OrchestratorProfile.KubernetesConfig.ContainerRuntime)
addValue(parametersMap, "cniPluginsURL", cloudSpecConfig.KubernetesSpecConfig.CNIPluginsDownloadURL)
addValue(parametersMap, "vnetCniLinuxPluginsURL", cloudSpecConfig.KubernetesSpecConfig.VnetCNILinuxPluginsDownloadURL)
addValue(parametersMap, "vnetCniWindowsPluginsURL", cloudSpecConfig.KubernetesSpecConfig.VnetCNIWindowsPluginsDownloadURL)
addValue(parametersMap, "maxPods", properties.OrchestratorProfile.KubernetesConfig.MaxPods)
addValue(parametersMap, "gchighthreshold", properties.OrchestratorProfile.KubernetesConfig.GCHighThreshold)
addValue(parametersMap, "gclowthreshold", properties.OrchestratorProfile.KubernetesConfig.GCLowThreshold)
addValue(parametersMap, "etcdDownloadURLBase", cloudSpecConfig.KubernetesSpecConfig.EtcdDownloadURLBase)
addValue(parametersMap, "etcdVersion", cs.Properties.OrchestratorProfile.KubernetesConfig.EtcdVersion)
addValue(parametersMap, "etcdDiskSizeGB", cs.Properties.OrchestratorProfile.KubernetesConfig.EtcdDiskSizeGB)
if properties.OrchestratorProfile.KubernetesConfig == nil ||
!properties.OrchestratorProfile.KubernetesConfig.UseManagedIdentity {
addValue(parametersMap, "servicePrincipalClientId", properties.ServicePrincipalProfile.ClientID)
if properties.ServicePrincipalProfile.KeyvaultSecretRef != nil {
addKeyvaultReference(parametersMap, "servicePrincipalClientSecret",
properties.ServicePrincipalProfile.KeyvaultSecretRef.VaultID,
properties.ServicePrincipalProfile.KeyvaultSecretRef.SecretName,
properties.ServicePrincipalProfile.KeyvaultSecretRef.SecretVersion)
} else {
addValue(parametersMap, "servicePrincipalClientSecret", properties.ServicePrincipalProfile.Secret)
}
}
if properties.AADProfile != nil {
addValue(parametersMap, "aadTenantId", properties.AADProfile.TenantID)
if properties.AADProfile.AdminGroupID != "" {
addValue(parametersMap, "aadAdminGroupId", properties.AADProfile.AdminGroupID)
}
}
}
if strings.HasPrefix(properties.OrchestratorProfile.OrchestratorType, api.DCOS) {
dcosBootstrapURL := cloudSpecConfig.DCOSSpecConfig.DCOS188BootstrapDownloadURL
dcosWindowsBootstrapURL := cloudSpecConfig.DCOSSpecConfig.DCOSWindowsBootstrapDownloadURL
switch properties.OrchestratorProfile.OrchestratorType {
case api.DCOS:
switch properties.OrchestratorProfile.OrchestratorVersion {
case api.DCOSVersion1Dot8Dot8:
dcosBootstrapURL = cloudSpecConfig.DCOSSpecConfig.DCOS188BootstrapDownloadURL
case api.DCOSVersion1Dot9Dot0:
dcosBootstrapURL = cloudSpecConfig.DCOSSpecConfig.DCOS190BootstrapDownloadURL
case api.DCOSVersion1Dot10Dot0:
dcosBootstrapURL = cloudSpecConfig.DCOSSpecConfig.DCOS110BootstrapDownloadURL
}
}
if properties.OrchestratorProfile.DcosConfig != nil {
if properties.OrchestratorProfile.DcosConfig.DcosWindowsBootstrapURL != "" {
dcosWindowsBootstrapURL = properties.OrchestratorProfile.DcosConfig.DcosWindowsBootstrapURL
}
if properties.OrchestratorProfile.DcosConfig.DcosBootstrapURL != "" {
dcosBootstrapURL = properties.OrchestratorProfile.DcosConfig.DcosBootstrapURL
}
}
addValue(parametersMap, "dcosBootstrapURL", dcosBootstrapURL)
addValue(parametersMap, "dcosWindowsBootstrapURL", dcosWindowsBootstrapURL)
}
// Agent parameters
for _, agentProfile := range properties.AgentPoolProfiles {
addValue(parametersMap, fmt.Sprintf("%sCount", agentProfile.Name), agentProfile.Count)
addValue(parametersMap, fmt.Sprintf("%sVMSize", agentProfile.Name), agentProfile.VMSize)
if agentProfile.IsCustomVNET() {
addValue(parametersMap, fmt.Sprintf("%sVnetSubnetID", agentProfile.Name), agentProfile.VnetSubnetID)
} else {
addValue(parametersMap, fmt.Sprintf("%sSubnet", agentProfile.Name), agentProfile.Subnet)
}
if len(agentProfile.Ports) > 0 {
addValue(parametersMap, fmt.Sprintf("%sEndpointDNSNamePrefix", agentProfile.Name), agentProfile.DNSPrefix)
}
// Unless distro is defined, default distro is configured by defaults#setAgentNetworkDefaults
// Ignores Windows OS
if !(agentProfile.OSType == api.Windows) {
addValue(parametersMap, fmt.Sprintf("%sosImageOffer", agentProfile.Name), cloudSpecConfig.OSImageConfig[agentProfile.Distro].ImageOffer)
addValue(parametersMap, fmt.Sprintf("%sosImageSKU", agentProfile.Name), cloudSpecConfig.OSImageConfig[agentProfile.Distro].ImageSku)
addValue(parametersMap, fmt.Sprintf("%sosImagePublisher", agentProfile.Name), cloudSpecConfig.OSImageConfig[agentProfile.Distro].ImagePublisher)
addValue(parametersMap, fmt.Sprintf("%sosImageVersion", agentProfile.Name), cloudSpecConfig.OSImageConfig[agentProfile.Distro].ImageVersion)
}
}
// Windows parameters
if properties.HasWindows() {
addValue(parametersMap, "windowsAdminUsername", properties.WindowsProfile.AdminUsername)
addSecret(parametersMap, "windowsAdminPassword", properties.WindowsProfile.AdminPassword, false)
if properties.WindowsProfile.ImageVersion != "" {
addValue(parametersMap, "agentWindowsVersion", properties.WindowsProfile.ImageVersion)
}
if properties.WindowsProfile.WindowsImageSourceURL != "" {
addValue(parametersMap, "agentWindowsSourceUrl", properties.WindowsProfile.WindowsImageSourceURL)
}
if properties.OrchestratorProfile.OrchestratorType == api.Kubernetes {
k8sVersion := properties.OrchestratorProfile.OrchestratorVersion
addValue(parametersMap, "kubeBinariesSASURL", cloudSpecConfig.KubernetesSpecConfig.KubeBinariesSASURLBase+KubeConfigs[k8sVersion]["windowszip"])
addValue(parametersMap, "windowsPackageSASURLBase", cloudSpecConfig.KubernetesSpecConfig.WindowsPackageSASURLBase)
addValue(parametersMap, "kubeBinariesVersion", k8sVersion)
addValue(parametersMap, "windowsTelemetryGUID", cloudSpecConfig.KubernetesSpecConfig.WindowsTelemetryGUID)
}
for i, s := range properties.WindowsProfile.Secrets {
addValue(parametersMap, fmt.Sprintf("windowsKeyVaultID%d", i), s.SourceVault.ID)
for j, c := range s.VaultCertificates {
addValue(parametersMap, fmt.Sprintf("windowsKeyVaultID%dCertificateURL%d", i, j), c.CertificateURL)
addValue(parametersMap, fmt.Sprintf("windowsKeyVaultID%dCertificateStore%d", i, j), c.CertificateStore)
}
}
}
for _, extension := range properties.ExtensionProfiles {
if extension.ExtensionParametersKeyVaultRef != nil {
addKeyvaultReference(parametersMap, fmt.Sprintf("%sParameters", extension.Name),
extension.ExtensionParametersKeyVaultRef.VaultID,
extension.ExtensionParametersKeyVaultRef.SecretName,
extension.ExtensionParametersKeyVaultRef.SecretVersion)
} else {
addValue(parametersMap, fmt.Sprintf("%sParameters", extension.Name), extension.ExtensionParameters)
}
}
return parametersMap, nil
}
func addValue(m paramsMap, k string, v interface{}) {
m[k] = paramsMap{
"value": v,
}
}
func addKeyvaultReference(m paramsMap, k string, vaultID, secretName, secretVersion string) {
m[k] = paramsMap{
"reference": &KeyVaultRef{
KeyVault: KeyVaultID{
ID: vaultID,
},
SecretName: secretName,
SecretVersion: secretVersion,
},
}
}
func addSecret(m paramsMap, k string, v interface{}, encode bool) {
str, ok := v.(string)
if !ok {
addValue(m, k, v)
return
}
parts := keyvaultSecretPathRe.FindStringSubmatch(str)
if parts == nil || len(parts) != 5 {
if encode {
addValue(m, k, base64.StdEncoding.EncodeToString([]byte(str)))
} else {
addValue(m, k, str)
}
return
}
addKeyvaultReference(m, k, parts[1], parts[2], parts[4])
}
// getStorageAccountType returns the support managed disk storage tier for a give VM size
func getStorageAccountType(sizeName string) (string, error) {
spl := strings.Split(sizeName, "_")
if len(spl) < 2 {
return "", fmt.Errorf("Invalid sizeName: %s", sizeName)
}
capability := spl[1]
if strings.Contains(strings.ToLower(capability), "s") {
return "Premium_LRS", nil
}
return "Standard_LRS", nil
}
// getTemplateFuncMap returns all functions used in template generation
func (t *TemplateGenerator) getTemplateFuncMap(cs *api.ContainerService) template.FuncMap {
return template.FuncMap{
"IsHostedMaster": func() bool {
return cs.Properties.HostedMasterProfile != nil
},
"IsDCOS19": func() bool {
return cs.Properties.OrchestratorProfile.OrchestratorType == api.DCOS &&
cs.Properties.OrchestratorProfile.OrchestratorVersion == api.DCOSVersion1Dot9Dot0
},
"IsDCOS110": func() bool {
return cs.Properties.OrchestratorProfile.OrchestratorType == api.DCOS &&
cs.Properties.OrchestratorProfile.OrchestratorVersion == api.DCOSVersion1Dot10Dot0
},
"IsKubernetesVersionGe": func(version string) bool {
orchestratorVersion, _ := semver.NewVersion(cs.Properties.OrchestratorProfile.OrchestratorVersion)
constraint, _ := semver.NewConstraint(">=" + version)
return cs.Properties.OrchestratorProfile.OrchestratorType == api.Kubernetes && constraint.Check(orchestratorVersion)
},
"IsKubernetesVersionTilde": func(version string) bool {
// examples include
// ~2.3 is equivalent to >= 2.3, < 2.4
// ~1.2.x is equivalent to >= 1.2.0, < 1.3.0
orchestratorVersion, _ := semver.NewVersion(cs.Properties.OrchestratorProfile.OrchestratorVersion)
constraint, _ := semver.NewConstraint("~" + version)
return cs.Properties.OrchestratorProfile.OrchestratorType == api.Kubernetes && constraint.Check(orchestratorVersion)
},
"GetMasterKubernetesLabels": func(rg string) string {
var buf bytes.Buffer
buf.WriteString("kubernetes.io/role=master")
buf.WriteString(fmt.Sprintf(",kubernetes.azure.com/cluster=%s", rg))
return buf.String()
},
"GetAgentKubernetesLabels": func(profile *api.AgentPoolProfile, rg string) string {
var buf bytes.Buffer
buf.WriteString(fmt.Sprintf("kubernetes.io/role=agent,agentpool=%s", profile.Name))
if profile.StorageProfile == api.ManagedDisks {
storagetier, _ := getStorageAccountType(profile.VMSize)
buf.WriteString(fmt.Sprintf(",storageprofile=managed,storagetier=%s", storagetier))
}
buf.WriteString(fmt.Sprintf(",kubernetes.azure.com/cluster=%s", rg))
for k, v := range profile.CustomNodeLabels {
buf.WriteString(fmt.Sprintf(",%s=%s", k, v))
}
return buf.String()
},
"GetKubeletConfigKeyVals": func(kc *api.KubernetesConfig) string {
kubeletConfig := cs.Properties.OrchestratorProfile.KubernetesConfig.KubeletConfig
if kc.KubeletConfig != nil {
kubeletConfig = kc.KubeletConfig
}
// Order by key for consistency
keys := []string{}
for key := range kubeletConfig {
keys = append(keys, key)
}
sort.Strings(keys)
var buf bytes.Buffer
for _, key := range keys {
buf.WriteString(fmt.Sprintf("%s=%s ", key, kubeletConfig[key]))
}
return buf.String()
},
"GetK8sRuntimeConfigKeyVals": func(config map[string]string) string {
// Order by key for consistency
keys := []string{}
for key := range config {
keys = append(keys, key)
}
sort.Strings(keys)
var buf bytes.Buffer
for _, key := range keys {
buf.WriteString(fmt.Sprintf("\\\"%s=%s\\\", ", key, config[key]))
}
return strings.TrimSuffix(buf.String(), ", ")
},
"GetMasterCount": func() int {
masterProfile := cs.Properties.MasterProfile
if masterProfile == nil {
return 0
}
return masterProfile.Count
},
"GetMasterSecondaryIP": func() string {
var ips string
var ipint uint32
profile := cs.Properties.MasterProfile
if profile == nil {
return ""
}
ip := net.ParseIP(profile.FirstConsecutiveStaticIP)
ipv4 := ip.To4()
if ipv4 != nil {
ipint = binary.BigEndian.Uint32(ipv4)
} else {
log.Fatalf("Net IP To4() function returns nil")
}
// Make space for first few IPs.
ipint += uint32(profile.Count) + uint32(DefaultInternalLbStaticIPOffset) - 1
startIP := make(net.IP, 4)
binary.BigEndian.PutUint32(startIP, ipint)
totalIPCount := profile.Count * profile.IPAddressCount
ipint = 0
// Generate All secondary IPs that master will use.
for count := totalIPCount; count > 0; count-- {
ipv4 = startIP.To4()
if ipv4 != nil {
ipint = binary.BigEndian.Uint32(ipv4)
} else {
log.Fatalf("Net IP To4() function returns nil for startIP")
}
ipint++
newIP := make(net.IP, 4)
binary.BigEndian.PutUint32(newIP, ipint)
if ips != "" {
ips = ips + "," + "\"" + newIP.String() + "\""
} else {
ips = "\"" + newIP.String() + "\""
}
startIP = newIP
}
return ips
},
"RequiresFakeAgentOutput": func() bool {
return cs.Properties.OrchestratorProfile.OrchestratorType == api.Kubernetes
},
"IsSwarmMode": func() bool {
return cs.Properties.OrchestratorProfile.IsSwarmMode()
},
"IsKubernetes": func() bool {
return cs.Properties.OrchestratorProfile.IsKubernetes()
},
"IsPublic": func(ports []int) bool {
return len(ports) > 0
},
"IsAzureCNI": func() bool {
return cs.Properties.OrchestratorProfile.IsAzureCNI()
},
"UseManagedIdentity": func() bool {
return cs.Properties.OrchestratorProfile.KubernetesConfig.UseManagedIdentity
},
"UseInstanceMetadata": func() bool {
if cs.Properties.OrchestratorProfile.KubernetesConfig.UseInstanceMetadata == nil {
return true
} else if *cs.Properties.OrchestratorProfile.KubernetesConfig.UseInstanceMetadata {
return true
}
return false
},
"GetVNETSubnetDependencies": func() string {
return getVNETSubnetDependencies(cs.Properties)
},
"GetLBRules": func(name string, ports []int) string {
return getLBRules(name, ports)
},
"GetProbes": func(ports []int) string {
return getProbes(ports)
},
"GetSecurityRules": func(ports []int) string {
return getSecurityRules(ports)
},
"GetUniqueNameSuffix": func() string {
return GenerateClusterID(cs.Properties)
},
"GetVNETAddressPrefixes": func() string {
return getVNETAddressPrefixes(cs.Properties)
},
"GetVNETSubnets": func(addNSG bool) string {
return getVNETSubnets(cs.Properties, addNSG)
},
"GetDataDisks": func(profile *api.AgentPoolProfile) string {
return getDataDisks(profile)
},
"GetDCOSMasterCustomData": func() string {
masterProvisionScript := getDCOSMasterProvisionScript()
masterAttributeContents := getDCOSMasterCustomNodeLabels()
masterPreprovisionExtension := ""
if cs.Properties.MasterProfile.PreprovisionExtension != nil {
masterPreprovisionExtension += "\n"
masterPreprovisionExtension += makeMasterExtensionScriptCommands(cs)
}
str := getSingleLineDCOSCustomData(
cs.Properties.OrchestratorProfile.OrchestratorType,
cs.Properties.OrchestratorProfile.OrchestratorVersion,
cs.Properties.MasterProfile.Count, masterProvisionScript,
masterAttributeContents, masterPreprovisionExtension)
return fmt.Sprintf("\"customData\": \"[base64(concat('#cloud-config\\n\\n', '%s'))]\",", str)