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provider.go
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provider.go
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// pkg/providers/azure/provider.go
package azure
import (
"context"
"fmt"
"os"
"runtime/debug"
"sync"
"time"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute"
"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources"
"github.com/mitchellh/go-homedir"
"github.com/spf13/viper"
"github.com/bacalhau-project/andaime/pkg/display"
"github.com/bacalhau-project/andaime/pkg/goroutine"
"github.com/bacalhau-project/andaime/pkg/logger"
"github.com/bacalhau-project/andaime/pkg/models"
azure_interface "github.com/bacalhau-project/andaime/pkg/models/interfaces/azure"
common_interface "github.com/bacalhau-project/andaime/pkg/models/interfaces/common"
"github.com/bacalhau-project/andaime/pkg/providers/common"
"github.com/bacalhau-project/andaime/pkg/sshutils"
)
func init() {
logger.InitProduction()
}
func NewAzureProviderFactory(ctx context.Context) (*AzureProvider, error) {
subscriptionID := viper.GetString("azure.subscription_id")
if subscriptionID == "" {
return nil, fmt.Errorf("azure.subscription_id is not set in configuration")
}
client, err := NewAzureClientFunc(subscriptionID)
if err != nil {
return nil, fmt.Errorf("failed to create Azure client: %w", err)
}
provider, err := NewAzureProvider(ctx, subscriptionID)
if err != nil {
return nil, fmt.Errorf("failed to create Azure provider: %w", err)
}
provider.SetAzureClient(client)
return provider, nil
}
// Constants related to Azure Provider configurations.
const (
UpdateQueueSize = 100
ResourcePollingInterval = 2 * time.Second
DebugFilePath = "/tmp/andaime-debug.log"
DebugFilePermissions = 0644
WaitingForMachinesTime = 1 * time.Minute
DefaultSSHUser = "andaimeuser"
DefaultSSHPort = 22
)
// AzureProvider implements the Providerer interface.
type AzureProvider struct {
SubscriptionID string
ResourceGroupName string
Tags map[string]*string
Client azure_interface.AzureClienter
ClusterDeployer common_interface.ClusterDeployerer
SSHClient sshutils.SSHClienter
SSHUser string
SSHPort int
serviceMutex sync.Mutex //nolint:unused
UpdateQueue chan display.UpdateAction
UpdateMutex sync.Mutex
}
func (p *AzureProvider) GetAzureClient() azure_interface.AzureClienter {
return p.Client
}
func (p *AzureProvider) SetAzureClient(client azure_interface.AzureClienter) {
p.Client = client
}
var NewAzureProviderFunc = NewAzureProvider
// NewAzureProvider creates and initializes a new AzureProvider instance with subscriptionID.
func NewAzureProvider(
ctx context.Context,
subscriptionID string,
) (*AzureProvider, error) {
// Create the AzureProvider instance.
provider := &AzureProvider{
SubscriptionID: subscriptionID,
ClusterDeployer: common.NewClusterDeployer(models.DeploymentTypeAzure),
}
// Initialize the provider (e.g., setup SSH keys, start update processor).
if err := provider.Initialize(ctx); err != nil {
return nil, fmt.Errorf("failed to initialize Azure provider: %w", err)
}
if provider.SubscriptionID == "" {
return nil, fmt.Errorf("subscription ID is not set in configuration")
}
if provider.ResourceGroupName == "" {
return nil, fmt.Errorf("resource group name is not set in configuration")
}
if provider.Tags == nil {
return nil, fmt.Errorf("tags are not set in configuration")
}
// Initialize the Azure client
client, err := NewAzureClientFunc(subscriptionID)
if err != nil {
return nil, fmt.Errorf("failed to create Azure client: %w", err)
}
provider.SetAzureClient(client)
return provider, nil
}
func (p *AzureProvider) CheckAuthentication(ctx context.Context) error {
// Attempt to list resource groups as a simple authentication check
_, err := p.GetAzureClient().ListAllResourceGroups(ctx)
if err != nil {
return fmt.Errorf("authentication failed: %w", err)
}
return nil
}
// Initialize sets up the AzureProvider by configuring SSH keys and starting the update processor.
func (p *AzureProvider) Initialize(ctx context.Context) error {
// Retrieve SSH key paths from configuration.
sshPublicKeyPath := viper.GetString("general.ssh_public_key_path")
sshPrivateKeyPath := viper.GetString("general.ssh_private_key_path")
// Validate SSH key paths.
if sshPublicKeyPath == "" {
return fmt.Errorf("general.ssh_public_key_path is required")
}
if sshPrivateKeyPath == "" {
return fmt.Errorf("general.ssh_private_key_path is required")
}
// Expand the SSH key paths to absolute paths.
expandedPublicKeyPath, err := homedir.Expand(sshPublicKeyPath)
if err != nil {
return fmt.Errorf("failed to expand public key path: %w", err)
}
expandedPrivateKeyPath, err := homedir.Expand(sshPrivateKeyPath)
if err != nil {
return fmt.Errorf("failed to expand private key path: %w", err)
}
// Verify that SSH key files exist.
if _, err := os.Stat(expandedPublicKeyPath); os.IsNotExist(err) {
return fmt.Errorf("SSH public key file does not exist: %s", expandedPublicKeyPath)
}
if _, err := os.Stat(expandedPrivateKeyPath); os.IsNotExist(err) {
return fmt.Errorf("SSH private key file does not exist: %s", expandedPrivateKeyPath)
}
// Update the configuration with the expanded SSH key paths.
viper.Set("general.ssh_public_key_path", expandedPublicKeyPath)
viper.Set("general.ssh_private_key_path", expandedPrivateKeyPath)
// Set SSH user with a default fallback.
p.SSHUser = viper.GetString("general.ssh_user")
if p.SSHUser == "" {
p.SSHUser = DefaultSSHUser // Default SSH user for Azure VMs.
}
// Set SSH port with a default fallback.
p.SSHPort = viper.GetInt("general.ssh_port")
if p.SSHPort == 0 {
p.SSHPort = DefaultSSHPort // Default SSH port.
}
p.ResourceGroupName = "andaime-rg" + "-" + time.Now().Format("20060102150405")
p.Tags = GenerateTags(
viper.GetString("general.project_prefix"),
viper.GetString("general.unique_id"),
)
// Start the update processor goroutine.
go display.GetGlobalModelFunc().StartUpdateProcessor(ctx)
return nil
}
// GetClusterDeployer returns the current ClusterDeployer.
func (p *AzureProvider) GetClusterDeployer() common_interface.ClusterDeployerer {
return p.ClusterDeployer
}
// SetClusterDeployer sets a new ClusterDeployer.
func (p *AzureProvider) SetClusterDeployer(deployer common_interface.ClusterDeployerer) {
p.ClusterDeployer = deployer
}
// GetOrCreateResourceGroup retrieves an existing resource group or creates a new one if it doesn't exist.
func (p *AzureProvider) GetOrCreateResourceGroup(
ctx context.Context,
resourceGroupName string,
locationData string,
tags map[string]string,
) (*armresources.ResourceGroup, error) {
resourceGroup, err := p.GetAzureClient().GetOrCreateResourceGroup(
ctx,
resourceGroupName,
locationData,
tags,
)
if err != nil {
return nil, fmt.Errorf("failed to get or create resource group: %w", err)
}
return resourceGroup, nil
}
// DestroyResourceGroup deletes the specified resource group.
func (p *AzureProvider) DestroyResourceGroup(ctx context.Context, resourceGroupName string) error {
return p.GetAzureClient().DestroyResourceGroup(ctx, resourceGroupName)
}
// DestroyResources destroys the specified resource group if it exists.
func (p *AzureProvider) DestroyResources(ctx context.Context, resourceGroupName string) error {
l := logger.Get()
client := p.GetAzureClient()
// Check if the resource group exists before attempting to destroy it.
exists, err := client.ResourceGroupExists(ctx, resourceGroupName)
if err != nil {
l.Errorf("Error checking if resource group exists: %v", err)
return err
}
if !exists {
l.Infof("Resource group %s does not exist, skipping destruction", resourceGroupName)
return nil
}
l.Infof("Destroying resource group %s", resourceGroupName)
err = client.DestroyResourceGroup(ctx, resourceGroupName)
if err != nil {
l.Errorf("Error destroying resource group %s: %v", resourceGroupName, err)
return err
}
l.Infof("Resource group %s destroyed successfully", resourceGroupName)
return nil
}
// GetVMExternalIP retrieves the external IP of a VM instance.
func (p *AzureProvider) GetVMExternalIP(
ctx context.Context,
vmName string,
locationData map[string]string,
) (string, error) {
if locationData["location"] == "" {
return "", fmt.Errorf("location data is empty")
}
return p.GetAzureClient().GetVMExternalIP(ctx, vmName, locationData)
}
// StartResourcePolling starts polling Azure resources for updates.
func (p *AzureProvider) StartResourcePolling(ctx context.Context) error {
l := logger.Get()
writeToDebugLog("Starting StartResourcePolling")
if os.Getenv("ANDAIME_TEST_MODE") == "true" {
l.Debug("ANDAIME_TEST_MODE is set to true, skipping resource polling")
return nil
}
resourceTicker := time.NewTicker(ResourcePollingInterval)
defer resourceTicker.Stop()
quit := make(chan struct{})
goroutineID := goroutine.RegisterGoroutine("AzureResourcePolling")
defer goroutine.DeregisterGoroutine(goroutineID)
go func() {
<-ctx.Done()
close(quit)
}()
defer func() {
if r := recover(); r != nil {
l.Errorf("Recovered from panic in StartResourcePolling: %v", r)
writeToDebugLog(fmt.Sprintf("Panic in StartResourcePolling: %v", r))
debug.PrintStack()
}
writeToDebugLog("Exiting StartResourcePolling function")
}()
pollCount := 0
for {
select {
case <-resourceTicker.C:
m := display.GetGlobalModelFunc()
if m.Quitting {
writeToDebugLog("Quitting detected, stopping resource polling")
return nil
}
pollCount++
start := time.Now()
writeToDebugLog(fmt.Sprintf("Starting poll #%d", pollCount))
resources, err := p.PollResources(ctx)
if err != nil {
l.Errorf("Failed to poll and update resources: %v", err)
writeToDebugLog(fmt.Sprintf("Failed to poll and update resources: %v", err))
p.CancelAllDeployments(ctx)
return err
}
writeToDebugLog(fmt.Sprintf("Poll #%d: Found %d resources", pollCount, len(resources)))
allResourcesProvisioned := true
for _, resource := range resources {
resourceMap, ok := resource.(map[string]interface{})
if !ok {
l.Warn("Invalid resource format")
continue
}
provisioningState, ok := resourceMap["provisioningState"].(string)
if !ok {
l.Warn("Provisioning state not found or invalid")
continue
}
writeToDebugLog(
fmt.Sprintf(
"Resource: %s - Provisioning State: %s",
resourceMap["name"],
provisioningState,
),
)
if provisioningState != "Succeeded" {
allResourcesProvisioned = false
}
}
elapsed := time.Since(start)
writeToDebugLog(fmt.Sprintf("PollResources #%d took %v", pollCount, elapsed))
p.logDeploymentStatus()
if allResourcesProvisioned && p.AllMachinesComplete() {
writeToDebugLog(
"All resources provisioned and machines completed, stopping resource polling",
)
// Just for visual, set all the machines to complete
for _, machine := range m.Deployment.Machines {
allMachineResources := machine.GetMachineResources()
for _, resource := range allMachineResources {
machine.SetMachineResourceState(
resource.ResourceName,
models.ResourceStateSucceeded,
)
}
}
return nil
}
case <-quit:
l.Debug("Quit signal received, exiting resource polling")
writeToDebugLog("Quit signal received, exiting resource polling")
return nil
}
}
}
// logDeploymentStatus logs the current status of the deployment.
func (p *AzureProvider) logDeploymentStatus() {
l := logger.Get()
m := display.GetGlobalModelFunc()
if m.Deployment == nil {
l.Debug("Deployment is nil")
writeToDebugLog("Deployment is nil")
return
}
writeToDebugLog(
fmt.Sprintf(
"Deployment Status - Name: %s, ResourceGroup: %s",
m.Deployment.Name,
m.Deployment.Azure.ResourceGroupName,
),
)
writeToDebugLog(fmt.Sprintf("Total Machines: %d", len(m.Deployment.Machines)))
for _, machine := range m.Deployment.Machines {
writeToDebugLog(
fmt.Sprintf(
"Machine Name: %s, PublicIP: %s, PrivateIP: %s",
machine.GetName(),
machine.GetPublicIP(),
machine.GetPrivateIP(),
),
)
writeToDebugLog(
fmt.Sprintf(
"Machine %s - Docker: %v, CorePackages: %v, Bacalhau: %v, SSH: %v, Script: %v",
machine.GetName(),
machine.GetServiceState(models.ServiceTypeDocker.Name),
machine.GetServiceState(models.ServiceTypeCorePackages.Name),
machine.GetServiceState(models.ServiceTypeBacalhau.Name),
machine.GetServiceState(models.ServiceTypeSSH.Name),
machine.GetServiceState(models.ServiceTypeScript.Name),
),
)
completedResources, totalResources := machine.ResourcesComplete()
writeToDebugLog(
fmt.Sprintf(
"Machine %s - Resources: %d/%d complete",
machine.GetName(),
completedResources,
totalResources,
),
)
if machine.GetMachineResources() != nil {
for resourceType, resource := range machine.GetMachineResources() {
writeToDebugLog(fmt.Sprintf("Machine %s - Resource %s: State: %v, Value: %s",
machine.GetName(),
resourceType,
resource.ResourceState,
resource.ResourceValue,
))
}
} else {
writeToDebugLog(fmt.Sprintf("Machine %s - No machine resources", machine.GetName()))
}
}
}
func (p *AzureProvider) GetResources(
ctx context.Context,
resourceGroupName string,
tags map[string]*string,
) ([]interface{}, error) {
return p.GetAzureClient().GetResources(ctx, p.SubscriptionID, resourceGroupName, tags)
}
// writeToDebugLog writes a message to the debug log file with a timestamp.
func writeToDebugLog(message string) {
debugFilePath := common.DebugFilePath
debugFile, err := os.OpenFile(
debugFilePath,
os.O_APPEND|os.O_CREATE|os.O_WRONLY,
DebugFilePermissions, //nolint:mnd
)
if err != nil {
fmt.Fprintf(os.Stderr, "Error opening debug log file %s: %v\n", debugFilePath, err)
return
}
defer debugFile.Close()
timestamp := time.Now().Format("2006-01-02 15:04:05")
logMessage := fmt.Sprintf("[%s] %s\n", timestamp, message)
if _, err := debugFile.WriteString(logMessage); err != nil {
fmt.Fprintf(os.Stderr, "Error writing to debug log file: %v\n", err)
}
}
// CancelAllDeployments cancels all ongoing deployments.
func (p *AzureProvider) CancelAllDeployments(ctx context.Context) {
l := logger.Get()
m := display.GetGlobalModelFunc()
l.Info("Cancelling all deployments")
writeToDebugLog("Cancelling all deployments")
for _, machine := range m.Deployment.Machines {
if !machine.IsComplete() {
machine.SetComplete()
}
}
// Cancel the context to stop all ongoing operations.
if cancelFunc, ok := ctx.Value("cancelFunc").(context.CancelFunc); ok {
cancelFunc()
}
}
// AllMachinesComplete checks if all machines in the deployment are marked as complete.
func (p *AzureProvider) AllMachinesComplete() bool {
m := display.GetGlobalModelFunc()
for _, machine := range m.Deployment.Machines {
if !machine.IsComplete() {
return false
}
}
return true
}
func (p *AzureProvider) GetSKUsByLocation(
ctx context.Context,
location string,
) ([]armcompute.ResourceSKU, error) {
return p.GetAzureClient().GetSKUsByLocation(ctx, location)
}
func (p *AzureProvider) ListAllResourceGroups(
ctx context.Context,
) ([]*armresources.ResourceGroup, error) {
if p.GetAzureClient() == nil {
l := logger.Get()
l.Error("Azure client is not initialized")
return nil, fmt.Errorf("Azure client is not initialized")
}
return p.GetAzureClient().ListAllResourceGroups(ctx)
}
func (p *AzureProvider) ListAllResourcesInSubscription(
ctx context.Context,
tags map[string]*string,
) ([]interface{}, error) {
return p.GetAzureClient().ListAllResourcesInSubscription(ctx, p.SubscriptionID, p.Tags)
}
// Add this method to the AzureProvider struct
func (p *AzureProvider) ValidateMachineType(
ctx context.Context,
location, machineType string,
) (bool, error) {
return p.GetAzureClient().ValidateMachineType(ctx, location, machineType)
}
func (p *AzureProvider) FinalizeDeployment(ctx context.Context) error {
return nil
}