/
azuresqlhelper.go
274 lines (225 loc) · 10 KB
/
azuresqlhelper.go
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package helper
import (
"errors"
"fmt"
"io/ioutil"
"net/http"
"strings"
)
type AzureSQLHelper struct {
azureAuth *AzureAuth
exportSubscriptionID string
importSubscriptionID string
tenantID string
clientID string
clientSecret string
sqlExportAdminLogin string
sqlExportAdminPassword string
sqlImportAdminLogin string
sqlImportAdminPassword string
storageKey string
storageURL string
exportSqlRgName string
importSqlRgName string
importStorageKey string
}
func NewAzureSQLHelper(importSubscriptionID string, exportSubscriptionID string, tenantID string, clientID string, clientSecret string, sqlExportAdminLogin string, sqlExportAdminPassword string, sqlImportAdminLogin string, sqlImportAdminPassword string, storageKey string, storageURL string, exportSqlRgName string, importSqlRgName string, importStorageKey string) *AzureSQLHelper {
ah := AzureSQLHelper{}
ah.azureAuth = NewAzureAuth(tenantID, clientID, clientSecret)
ah.exportSubscriptionID = exportSubscriptionID
ah.importSubscriptionID = importSubscriptionID
ah.tenantID = tenantID
ah.clientID = clientID
ah.clientSecret = clientSecret
ah.sqlExportAdminLogin = sqlExportAdminLogin
ah.sqlExportAdminPassword = sqlExportAdminPassword
ah.sqlImportAdminLogin = sqlImportAdminLogin
ah.sqlImportAdminPassword = sqlImportAdminPassword
ah.storageKey = storageKey
ah.storageURL = storageURL
ah.exportSqlRgName = exportSqlRgName
ah.importSqlRgName = importSqlRgName
ah.importStorageKey = importStorageKey
return &ah
}
func (ah *AzureSQLHelper) currentToken() AzureAuthToken {
return ah.azureAuth.currentToken
}
// wrapper around AzureAuth instance.
func (ah *AzureSQLHelper) refreshToken() error {
err := ah.azureAuth.RefreshToken()
return err
}
func generateImportURL(subscriptionID string, rgName string, serverName string, databaseName string) string {
template := "https://management.azure.com/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Sql/servers/%s/databases/%s/extensions/import?api-version=2014-04-01"
url := fmt.Sprintf(template, subscriptionID, rgName, serverName, databaseName)
return url
}
func generateImportBody(adminLogin string, adminLoginPassword string, storageKey string, storageUri string) string {
/*template2 := `{administratorLogin: "%s",administratorLoginPassword: "%s",storageKey: "%s",storageKeyType: "%s",storageUri: "%s",
databasename:"%s", edition:"%s",tier:"Standard", skuName:"S2", location:"southcentralus", serviceObjectiveName:"%s",maxSizeBytes:"%d"}` */
template := `{"properties": {"storageKeyType": "StorageAccessKey", "storageKey": "%s", "storageUri": "%s", "administratorLogin": "%s", "administratorLoginPassword": "%s", "operationMode": "Import"}}`
body := fmt.Sprintf(template, storageKey, storageUri, adminLogin, adminLoginPassword)
return body
}
func generateExportURL(subscriptionID string, rgName string, serverName string, databaseName string) string {
template := "https://management.azure.com/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Sql/servers/%s/databases/%s/export?api-version=2014-04-01"
url := fmt.Sprintf(template, subscriptionID, rgName, serverName, databaseName)
return url
}
func generateExportBody(adminLogin string, adminLoginPassword string, storageKey string, storageKeyType string, storageUri string) string {
template := `{administratorLogin: "%s",administratorLoginPassword: "%s",storageKey: "%s",storageKeyType: "%s",storageUri: "%s"}`
body := fmt.Sprintf(template, adminLogin, adminLoginPassword, storageKey, storageKeyType, storageUri)
return body
}
// StartDBExport starts an export of an Azure DB to blob storage.
// https://docs.microsoft.com/en-us/rest/api/sql/databases%20-%20import%20export/export
func (ah *AzureSQLHelper) StartDBExport(serverName string, databaseName string, backupFileName string) error {
// refresh all the tokens!!!
err := ah.refreshToken()
if err != nil {
return err
}
storageURI := fmt.Sprintf("%s/%s", ah.storageURL, backupFileName)
body := generateExportBody(ah.sqlExportAdminLogin, ah.sqlExportAdminPassword, ah.storageKey, "SharedAccessKey", storageURI)
url := generateExportURL(ah.exportSubscriptionID, ah.exportSqlRgName, serverName, databaseName)
client := &http.Client{}
req, err := http.NewRequest("POST", url, strings.NewReader(body))
req.Header.Add("Authorization", "Bearer "+ah.currentToken().AccessToken)
req.Header.Add("Content-type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Printf("error on post %s\n", err.Error())
panic(err)
}
fmt.Printf("status code is %d\n", resp.StatusCode)
// if status begins with 4.... assume failure.
if strings.HasPrefix(resp.Status, "4") {
return errors.New("unable to start backup")
}
return nil
}
// StartDBImport starts to import from a blob backup file to a specific DB server and dbname
// keep to a default size for now.
// https://docs.microsoft.com/en-us/rest/api/sql/databases%20-%20import%20export/import
func (ah *AzureSQLHelper) StartDBImport(importServerName string, databaseName string, backupBlobName string) error {
// refresh all the tokens!!!
err := ah.refreshToken()
if err != nil {
return err
}
storageURI := fmt.Sprintf("%s/%s", ah.storageURL, backupBlobName)
body := generateImportBody(ah.sqlImportAdminLogin, ah.sqlImportAdminPassword, ah.importStorageKey, storageURI)
url := generateImportURL(ah.importSubscriptionID, ah.importSqlRgName, importServerName, databaseName)
client := &http.Client{}
req, err := http.NewRequest("PUT", url, strings.NewReader(body))
req.Header.Add("Authorization", "Bearer "+ah.currentToken().AccessToken)
req.Header.Add("Content-type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Printf("error on put %s\n", err.Error())
panic(err)
}
fmt.Printf("status code is %d\n", resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
fmt.Printf("body is %s\n", string(b))
// if status begins with 4.... assume failure.
if strings.HasPrefix(resp.Status, "4") {
return errors.New("unable to start backup")
}
return nil
}
// CreateDB Creates DB
// https://docs.microsoft.com/en-us/rest/api/sql/databases/createorupdate#code-try-0
func (ah *AzureSQLHelper) CreateDB(importServerName string, databaseName string) error {
// refresh all the tokens!!!
err := ah.refreshToken()
if err != nil {
return err
}
body := generateCreateDBBody("ah.sqlImportAdminLogin, ah.sqlImportAdminPassword, ah.importStorageKey, storageURI")
url := generateCreateDBURL(ah.importSubscriptionID, ah.importSqlRgName, importServerName, databaseName)
client := &http.Client{}
req, err := http.NewRequest("PUT", url, strings.NewReader(body))
req.Header.Add("Authorization", "Bearer "+ah.currentToken().AccessToken)
req.Header.Add("Content-type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Printf("error on put %s\n", err.Error())
panic(err)
}
fmt.Printf("status code is %d\n", resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
fmt.Printf("body is %s\n", string(b))
// if status begins with 4.... assume failure.
if strings.HasPrefix(resp.Status, "4") {
return errors.New("unable to start backup")
}
return nil
}
func generateCreateDBURL(subscriptionID string, rgName string, serverName string, databaseName string) string {
template := "https://management.azure.com/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Sql/servers/%s/databases/%s?api-version=2017-10-01-preview"
url := fmt.Sprintf(template, subscriptionID, rgName, serverName, databaseName)
return url
}
func generateCreateDBBody(dbSku string) string {
template := ` {"location": "southcentralus", "sku": {"name": "%s"}}`
body := fmt.Sprintf(template, dbSku)
return body
}
// UpdateSQLFirewall will update a named firewall rule with a new IP address.
// https://docs.microsoft.com/en-us/rest/api/sql/firewallrules/createorupdate
func (ah *AzureSQLHelper) UpdateSQLFirewall(subscriptionID string, serverName string, resourceGroup string, firewallRule string, ip string) error {
// refresh all the tokens!!!
err := ah.refreshToken()
if err != nil {
return err
}
template := "https://management.azure.com/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Sql/servers/%s/firewallRules/%s?api-version=2014-04-01"
url := fmt.Sprintf(template, subscriptionID, resourceGroup, serverName, firewallRule)
body := generateFirewallBody(ip)
client := &http.Client{}
req, err := http.NewRequest("PUT", url, strings.NewReader(body))
req.Header.Add("Authorization", "Bearer "+ah.currentToken().AccessToken)
req.Header.Add("Content-type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Printf("error on put %s\n", err.Error())
panic(err)
}
fmt.Printf("status code is %d\n", resp.StatusCode)
b, _ := ioutil.ReadAll(resp.Body)
fmt.Printf("body is %s\n", string(b))
// if status begins with 4.... assume failure.
if strings.HasPrefix(resp.Status, "4") {
return errors.New("unable to modify SQL firewall")
}
return nil
}
func generateFirewallBody(ip string) string {
template := `{"properties": {"endIpAddress": "%s", "startIpAddress": "%s"}}`
body := fmt.Sprintf(template, ip, ip)
return body
}
// DoesSQLFirewallRuleExist Checks if firewall rule exists.
// https://docs.microsoft.com/en-us/rest/api/sql/firewallrules/get
func (ah *AzureSQLHelper) DoesSQLFirewallRuleExist(subscriptionID string, serverName string, resourceGroup string, firewallRule string) bool {
// refresh all the tokens!!!
err := ah.refreshToken()
if err != nil {
return false
}
template := "https://management.azure.com/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Sql/servers/%s/firewallRules/%s?api-version=2014-04-01"
url := fmt.Sprintf(template, subscriptionID, resourceGroup, serverName, firewallRule)
client := &http.Client{}
req, err := http.NewRequest("GET", url, nil)
req.Header.Add("Authorization", "Bearer "+ah.currentToken().AccessToken)
req.Header.Add("Content-type", "application/json")
resp, err := client.Do(req)
if err != nil {
fmt.Printf("error on get %s\n", err.Error())
panic(err)
}
// if 200, then rule exists.
return resp.StatusCode == http.StatusOK
}