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controller.go
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controller.go
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package api
import (
"github.com/google/go-cmp/cmp"
"github.com/in4it/ecs-deploy/integrations"
"github.com/in4it/ecs-deploy/provider/ecs"
"github.com/in4it/ecs-deploy/service"
"github.com/in4it/ecs-deploy/util"
"github.com/juju/loggo"
"errors"
"fmt"
"io/ioutil"
"os"
"sort"
"strconv"
"strings"
"time"
)
// Controller struct
type Controller struct {
}
// controller interface (for tests)
type ControllerIf interface {
describeServices() ([]service.RunningService, error)
getServices() ([]*service.DynamoServicesElement, error)
}
// logging
var controllerLogger = loggo.GetLogger("controller")
func (c *Controller) createRepository(repository string) (*string, error) {
// create service in ECR if not exists
ecr := ecs.ECR{RepositoryName: repository}
err := ecr.CreateRepository()
if err != nil {
controllerLogger.Errorf("Could not create repository %v: %v", repository, err)
return nil, errors.New("CouldNotCreateRepository")
}
msg := fmt.Sprintf("Service: %v - ECR: %v", repository, ecr.RepositoryURI)
return &msg, nil
}
func (c *Controller) Deploy(serviceName string, d service.Deploy) (*service.DeployResult, error) {
// get last deployment
s := service.NewService()
s.ServiceName = serviceName
s.ClusterName = d.Cluster
ddLast, err := s.GetLastDeploy()
if err != nil {
if !strings.HasPrefix(err.Error(), "NoItemsFound") {
controllerLogger.Errorf("Error while getting last deployment for %v: %v", serviceName, err)
return nil, err
}
}
// validate
for _, container := range d.Containers {
if container.Memory == 0 && container.MemoryReservation == 0 {
controllerLogger.Errorf("Could not deploy %v: Memory / MemoryReservation not set", serviceName)
return nil, errors.New("At least one of 'memory' or 'memoryReservation' must be specified within the container specification.")
}
}
// create role if role doesn't exists
iam := ecs.IAM{}
iamRoleArn, err := iam.RoleExists("ecs-" + serviceName)
if err == nil && iamRoleArn == nil {
if util.GetEnv("AWS_RESOURCE_CREATION_ENABLED", "yes") == "yes" {
// role does not exist, create it
controllerLogger.Debugf("Role does not exist, creating: ecs-%v", serviceName)
iamRoleArn, err = iam.CreateRoleWithPermissionBoundary("ecs-"+serviceName, iam.GetEcsTaskIAMTrust(), util.GetEnv("ECS_TASK_ROLE_PERMISSION_BOUNDARY_ARN", ""))
if err != nil {
return nil, err
}
// optionally add a policy
ps := ecs.Paramstore{}
if ps.IsEnabled() {
namespace := d.EnvNamespace
if namespace == "" {
namespace = serviceName
}
controllerLogger.Debugf("Paramstore enabled, putting role: paramstore-%v", namespace)
err = iam.PutRolePolicy("ecs-"+serviceName, "paramstore-"+namespace, ps.GetParamstoreIAMPolicy(namespace))
if err != nil {
return nil, err
}
}
} else {
return nil, errors.New("IAM Task Role not found and resource creation is disabled")
}
} else if err != nil {
return nil, err
}
// retrieving secrets
secrets := make(map[string]string)
if util.GetEnv("PARAMSTORE_INJECT", "no") == "yes" {
ps := ecs.Paramstore{}
if ps.IsEnabled() {
err := ps.GetParameters("/"+util.GetEnv("PARAMSTORE_PREFIX", "")+"-"+util.GetEnv("AWS_ACCOUNT_ENV", "")+"/"+serviceName+"/", false)
if err != nil {
return nil, err
}
for _, v := range ps.Parameters {
keyName := strings.Split(v.Name, "/")
secrets[keyName[len(keyName)-1]] = v.Arn
}
}
}
// create task definition
e := ecs.ECS{ServiceName: serviceName, IamRoleArn: *iamRoleArn, ClusterName: d.Cluster}
taskDefArn, err := e.CreateTaskDefinition(d, secrets)
if err != nil {
controllerLogger.Errorf("Could not create task def %v", serviceName)
return nil, err
}
controllerLogger.Debugf("Created task definition: %v", *taskDefArn)
// update service with new task (update desired instance in case of difference)
controllerLogger.Debugf("Updating service: %v with taskdefarn: %v", serviceName, *taskDefArn)
serviceExists, err := e.ServiceExists(serviceName)
if err == nil && !serviceExists {
controllerLogger.Debugf("service (%v) not found, creating...", serviceName)
if util.GetEnv("AWS_RESOURCE_CREATION_ENABLED", "yes") == "yes" {
s.Listeners, err = c.createService(serviceName, d, taskDefArn)
if err != nil {
controllerLogger.Errorf("Could not create service %v: %s", serviceName, err)
return nil, err
}
// create service in dynamodb
err = c.checkAndCreateServiceInDynamo(s, d)
if err != nil {
return nil, err
}
} else {
return nil, errors.New("ECS Service not found and resource creation is disabled")
}
} else if err != nil {
return nil, errors.New("Error during checking whether service exists")
} else {
// create service in dynamodb
err = c.checkAndCreateServiceInDynamo(s, d)
if err != nil {
return nil, err
}
err = c.updateDeployment(d, ddLast, serviceName, taskDefArn, iamRoleArn)
if err != nil {
controllerLogger.Errorf("updateDeployment failed: %s", err)
}
}
// Mark previous deployment as aborted if still running
if ddLast != nil && ddLast.Status == "running" {
err = s.SetDeploymentStatus(ddLast, "aborted")
if err != nil {
controllerLogger.Errorf("Could not set status of %v to aborted: %v", serviceName, err)
return nil, err
}
}
// write changes in db
dd, err := s.NewDeployment(taskDefArn, &d)
if err != nil {
controllerLogger.Errorf("Could not create/update service (%v) in db: %v", serviceName, err)
return nil, err
}
// run goroutine to update status of service
var notification integrations.Notification
if util.GetEnv("SLACK_WEBHOOKS", "") != "" {
notification = integrations.NewSlack()
} else {
notification = integrations.NewDummy()
}
go e.LaunchWaitUntilServicesStable(dd, ddLast, notification)
ret := &service.DeployResult{
ServiceName: serviceName,
ClusterName: d.Cluster,
TaskDefinitionArn: *taskDefArn,
DeploymentTime: dd.Time,
}
return ret, nil
}
func (c *Controller) updateDeployment(d service.Deploy, ddLast *service.DynamoDeployment, serviceName string, taskDefArn *string, iamRoleArn *string) error {
s := service.NewService()
s.ServiceName = serviceName
s.ClusterName = d.Cluster
e := ecs.ECS{ServiceName: serviceName, IamRoleArn: *iamRoleArn, ClusterName: d.Cluster, TaskDefArn: taskDefArn}
updateECSService := true
// compare with previous deployment if there is one
if ddLast != nil {
var err error
if strings.ToLower(d.ServiceProtocol) != "none" {
var alb *ecs.ALB
if d.LoadBalancer == "" {
alb, err = ecs.NewALB(d.Cluster)
} else {
alb, err = ecs.NewALB(d.LoadBalancer)
}
targetGroupArn, err := alb.GetTargetGroupArn(serviceName)
if err != nil {
return err
}
// update healthchecks if changed
if !cmp.Equal(ddLast.DeployData.HealthCheck, d.HealthCheck) {
controllerLogger.Debugf("Updating ecs healthcheck: %v", serviceName)
alb.UpdateHealthCheck(*targetGroupArn, d.HealthCheck)
}
// update target group attributes if changed
if !cmp.Equal(ddLast.DeployData.Stickiness, d.Stickiness) || ddLast.DeployData.DeregistrationDelay != d.DeregistrationDelay {
err = alb.ModifyTargetGroupAttributes(*targetGroupArn, d)
if err != nil {
return err
}
}
// update loadbalancer if changed
var noLBChange bool
if ddLast.DeployData.LoadBalancer == "" && strings.ToLower(d.LoadBalancer) == strings.ToLower(d.Cluster) {
noLBChange = true
}
if strings.ToLower(d.LoadBalancer) != strings.ToLower(ddLast.DeployData.LoadBalancer) && !noLBChange && strings.ToLower(d.ServiceProtocol) != "none" {
controllerLogger.Infof("LoadBalancer change detected for service %s", serviceName)
// delete old loadbalancer rules
var oldAlb *ecs.ALB
if ddLast.DeployData.LoadBalancer == "" {
oldAlb, err = ecs.NewALB(ddLast.DeployData.Cluster)
} else {
oldAlb, err = ecs.NewALB(ddLast.DeployData.LoadBalancer)
}
err = c.deleteRulesForTarget(serviceName, d, targetGroupArn, oldAlb)
if err != nil {
}
// delete target group
controllerLogger.Debugf("Deleting target group for service: %v", serviceName)
err = oldAlb.DeleteTargetGroup(*targetGroupArn)
if err != nil {
return err
}
// create new target group
controllerLogger.Debugf("Creating target group for service: %v", serviceName)
newTargetGroupArn, err := alb.CreateTargetGroup(serviceName, d)
if err != nil {
return err
}
// modify target group attributes
if d.DeregistrationDelay != -1 || d.Stickiness.Enabled {
err = alb.ModifyTargetGroupAttributes(*newTargetGroupArn, d)
if err != nil {
return err
}
}
// create new rules
listeners, err := c.createRulesForTarget(serviceName, d, newTargetGroupArn, alb)
s.Listeners = listeners
if err != nil {
return err
}
// recreating ecs service
controllerLogger.Infof("Recreating ecs service: %v", serviceName)
err = e.DeleteService(d.Cluster, serviceName)
if err != nil {
return err
}
err = e.WaitUntilServicesInactive(d.Cluster, serviceName)
if err != nil {
return err
}
// create ecs service
e.TargetGroupArn = newTargetGroupArn
err = e.CreateService(d)
if err != nil {
return err
}
// update listeners
s.UpdateServiceListeners(s.ClusterName, s.ServiceName, listeners)
// don't update ecs service later
updateECSService = false
} else {
// check for rules changes
if c.rulesChanged(d, ddLast) {
controllerLogger.Infof("Recreating alb rules for: " + serviceName)
// recreate rules
err = c.deleteRulesForTarget(serviceName, d, targetGroupArn, alb)
if err != nil {
controllerLogger.Infof("Couldn't delete existing rules for target: " + serviceName)
}
// create new rules
_, err := c.createRulesForTarget(serviceName, d, targetGroupArn, alb)
if err != nil {
return err
}
}
}
}
ps := ecs.Paramstore{}
if ps.IsEnabled() {
iam := ecs.IAM{}
thisNamespace, lastNamespace := d.EnvNamespace, ddLast.DeployData.EnvNamespace
if thisNamespace == "" {
thisNamespace = serviceName
}
if lastNamespace == "" {
lastNamespace = serviceName
}
if thisNamespace != lastNamespace {
controllerLogger.Debugf("Paramstore enabled, putting role: paramstore-%v", serviceName)
err = iam.DeleteRolePolicy("ecs-"+serviceName, "paramstore-"+lastNamespace)
if err != nil {
return err
}
err = iam.PutRolePolicy("ecs-"+serviceName, "paramstore-"+thisNamespace, ps.GetParamstoreIAMPolicy(thisNamespace))
if err != nil {
return err
}
}
}
// update memory limits if changed
if !e.IsEqualContainerLimits(d, *ddLast.DeployData) {
cpuReservation, cpuLimit, memoryReservation, memoryLimit := e.GetContainerLimits(d)
s.UpdateServiceLimits(s.ClusterName, s.ServiceName, cpuReservation, cpuLimit, memoryReservation, memoryLimit)
}
}
// update service
if updateECSService {
var err error
_, err = e.UpdateService(serviceName, taskDefArn, d)
controllerLogger.Debugf("Updating ecs service: %v", serviceName)
if err != nil {
controllerLogger.Errorf("Could not update service %v: %v", serviceName, err)
return err
}
}
return nil
}
func (c *Controller) rulesChanged(d service.Deploy, ddLast *service.DynamoDeployment) bool {
if len(d.RuleConditions) != len(ddLast.DeployData.RuleConditions) {
return true
}
// sort rule conditions
sortedRuleCondition := d.RuleConditions
ddLastSortedRuleCondition := ddLast.DeployData.RuleConditions
sort.Sort(ruleConditionSort(sortedRuleCondition))
sort.Sort(ruleConditionSort(ddLastSortedRuleCondition))
// loop over rule conditions to compare them
for k, v := range sortedRuleCondition {
v2 := ddLastSortedRuleCondition[k]
if !cmp.Equal(v, v2) {
return true
}
}
return false
}
func (c *Controller) redeploy(serviceName, time string) (*service.DeployResult, error) {
s := service.NewService()
dd, err := s.GetDeployment(serviceName, time)
if err != nil {
return nil, err
}
controllerLogger.Debugf("Redeploying %v_%v", serviceName, time)
ret, err := c.Deploy(serviceName, *dd.DeployData)
if err != nil {
return nil, err
}
return ret, nil
}
// service not found, create ALB target group + rule
func (c *Controller) createService(serviceName string, d service.Deploy, taskDefArn *string) ([]string, error) {
iam := ecs.IAM{}
var targetGroupArn *string
var listeners []string
var alb *ecs.ALB
var err error
if d.LoadBalancer != "" {
alb, err = ecs.NewALB(d.LoadBalancer)
} else {
alb, err = ecs.NewALB(d.Cluster)
}
if err != nil {
return nil, err
}
// create target group
if strings.ToLower(d.ServiceProtocol) != "none" {
var err error
controllerLogger.Debugf("Creating target group for service: %v", serviceName)
targetGroupArn, err = alb.CreateTargetGroup(serviceName, d)
if err != nil {
return nil, err
}
// modify target group attributes
if d.DeregistrationDelay != -1 || d.Stickiness.Enabled {
err = alb.ModifyTargetGroupAttributes(*targetGroupArn, d)
if err != nil {
return nil, err
}
}
// deploy rules for target group
listeners, err = c.createRulesForTarget(serviceName, d, targetGroupArn, alb)
if err != nil {
return nil, err
}
}
// check whether ecs-service-role exists
controllerLogger.Debugf("Checking whether role exists: %v", util.GetEnv("AWS_ECS_SERVICE_ROLE", "ecs-service-role"))
iamServiceRoleArn, err := iam.RoleExists(util.GetEnv("AWS_ECS_SERVICE_ROLE", "ecs-service-role"))
if err == nil && iamServiceRoleArn == nil {
controllerLogger.Debugf("Creating ecs service role")
_, err = iam.CreateRole(util.GetEnv("AWS_ECS_SERVICE_ROLE", "ecs-service-role"), iam.GetEcsServiceIAMTrust())
if err != nil {
return nil, err
}
controllerLogger.Debugf("Attaching ecs service role")
err = iam.AttachRolePolicy(util.GetEnv("AWS_ECS_SERVICE_ROLE", "ecs-service-role"), iam.GetEcsServicePolicy())
if err != nil {
return nil, err
}
} else if err != nil {
return nil, errors.New("Error during checking whether ecs service role exists")
}
// create ecs service
controllerLogger.Debugf("Creating ecs service: %v", serviceName)
e := ecs.ECS{ServiceName: serviceName, TaskDefArn: taskDefArn, TargetGroupArn: targetGroupArn}
err = e.CreateService(d)
if err != nil {
return nil, err
}
return listeners, nil
}
func (c *Controller) checkAndCreateServiceInDynamo(s *service.Service, d service.Deploy) error {
serviceExistsInDynamo, err := s.ServiceExistsInDynamo()
if err == nil && !serviceExistsInDynamo {
err = c.createServiceInDynamo(s, d)
if err != nil {
controllerLogger.Errorf("Could not create service %v in dynamodb", s.ServiceName)
return err
}
}
return nil
}
func (c *Controller) createServiceInDynamo(s *service.Service, d service.Deploy) error {
var err error
e := ecs.ECS{ServiceName: s.ServiceName}
dsEl := &service.DynamoServicesElement{S: s.ServiceName, C: s.ClusterName, Listeners: s.Listeners}
dsEl.CpuReservation, dsEl.CpuLimit, dsEl.MemoryReservation, dsEl.MemoryLimit = e.GetContainerLimits(d)
err = s.CreateService(dsEl)
if err != nil {
controllerLogger.Errorf("Could not create/update service (%v) in db: %v", s.ServiceName, err)
return err
}
return nil
}
// Deploy rules for a specific targetGroup
func (c *Controller) deleteRulesForTarget(serviceName string, d service.Deploy, targetGroupArn *string, alb *ecs.ALB) error {
err := alb.GetRulesForAllListeners()
if err != nil {
return err
}
ruleArnsToDelete := alb.GetRulesByTargetGroupArn(*targetGroupArn)
authRuleArns := alb.GetRuleByTargetGroupArnWithAuth(*targetGroupArn)
for _, authRuleArn := range authRuleArns {
conditionField, conditionValue := alb.GetConditionsForRule(authRuleArn)
controllerLogger.Debugf("deleteRulesForTarget: found authRule with conditionField %s and conditionValue %s", strings.Join(conditionField, ","), strings.Join(conditionValue, ","))
httpListener := alb.GetListenerArnForProtocol("http")
if httpListener != "" {
ruleArn, _, err := alb.FindRule(httpListener, "", conditionField, conditionValue)
if err != nil {
controllerLogger.Debugf("deleteRulesForTarget: rule not found: %s", err)
}
if ruleArn != nil {
ruleArnsToDelete = append(ruleArnsToDelete, *ruleArn)
}
}
}
for _, ruleArn := range ruleArnsToDelete {
alb.DeleteRule(ruleArn)
}
return nil
}
// delete rule for a targetgroup with specific listener
func (c *Controller) deleteRuleForTargetWithListener(serviceName string, r *service.DeployRuleConditions, targetGroupArn *string, alb *ecs.ALB, listener string) error {
_, conditionField, conditionValue := c.getALBConditionFieldAndValue(*r, alb.GetDomain())
err := alb.GetRulesForAllListeners()
if err != nil {
return err
}
ruleArn, _, err := alb.FindRule(listener, *targetGroupArn, conditionField, conditionValue)
if err != nil {
return err
}
return alb.DeleteRule(*ruleArn)
}
// Update rule for a specific targetGroups
func (c *Controller) UpdateRuleForTarget(serviceName string, r *service.DeployRuleConditions, rLast *service.DeployRuleConditions, targetGroupArn *string, alb *ecs.ALB, listener string) error {
_, conditionField, conditionValue := c.getALBConditionFieldAndValue(*rLast, alb.GetDomain())
err := alb.GetRulesForAllListeners()
if err != nil {
return err
}
ruleArn, _, err := alb.FindRule(alb.GetListenerArnForProtocol(listener), *targetGroupArn, conditionField, conditionValue)
if err != nil {
return err
}
ruleType, _, conditionValue := c.getALBConditionFieldAndValue(*rLast, alb.GetDomain())
// if cognito is set, a redirect is needed instead (cognito doesn't work with http)
if strings.ToLower(listener) == "http" && r.CognitoAuth.ClientName != "" {
return alb.UpdateRuleToHTTPSRedirect(*targetGroupArn, *ruleArn, ruleType, conditionValue)
}
return alb.UpdateRule(*targetGroupArn, *ruleArn, ruleType, conditionValue, r.CognitoAuth)
}
func (c *Controller) getALBConditionFieldAndValue(r service.DeployRuleConditions, domain string) (string, []string, []string) {
if r.PathPattern != "" && r.Hostname != "" {
return "combined", []string{"path-pattern", "host-header"}, []string{r.PathPattern, r.Hostname + "." + domain}
}
if r.PathPattern != "" {
return "pathPattern", []string{"path-pattern"}, []string{r.PathPattern}
}
if r.Hostname != "" {
return "hostname", []string{"host-header"}, []string{r.Hostname + "." + domain}
}
return "", []string{}, []string{}
}
// Deploy rules for a specific targetGroup
func (c *Controller) createRulesForTarget(serviceName string, d service.Deploy, targetGroupArn *string, alb *ecs.ALB) ([]string, error) {
var listeners []string
// get last priority number
priority, err := alb.GetHighestRule()
if err != nil {
return nil, err
}
if len(d.RuleConditions) > 0 {
// create rules based on conditions
var newRules int
ruleConditionsSorted := d.RuleConditions
sort.Sort(ruleConditionSort(ruleConditionsSorted))
for _, r := range ruleConditionsSorted {
ruleType, _, conditionValue := c.getALBConditionFieldAndValue(*r, alb.GetDomain())
l, err := alb.CreateRuleForListeners(ruleType, r.Listeners, *targetGroupArn, conditionValue, (priority + 10 + int64(newRules)), r.CognitoAuth)
if err != nil {
return nil, err
}
newRules += len(r.Listeners)
listeners = append(listeners, l...)
}
} else {
// create default rules ( /servicename path on all listeners )
controllerLogger.Debugf("Creating alb rule(s) service: %v", serviceName)
rules := []string{"/" + serviceName}
l, err := alb.CreateRuleForAllListeners("pathPattern", *targetGroupArn, rules, (priority + 10))
if err != nil {
return nil, err
}
rules = []string{"/" + serviceName + "/*"}
_, err = alb.CreateRuleForAllListeners("pathPattern", *targetGroupArn, rules, (priority + 11))
if err != nil {
return nil, err
}
listeners = append(listeners, l...)
}
return listeners, nil
}
func (c *Controller) getDeploys() ([]service.DynamoDeployment, error) {
s := service.NewService()
return s.GetDeploys("byMonth", 20)
}
func (c *Controller) getDeploysForService(serviceName string) ([]service.DynamoDeployment, error) {
s := service.NewService()
return s.GetDeploysForService(serviceName)
}
func (c *Controller) getServices() ([]*service.DynamoServicesElement, error) {
s := service.NewService()
var ds service.DynamoServices
err := s.GetServices(&ds)
return ds.Services, err
}
func (c *Controller) describeServices() ([]service.RunningService, error) {
var rss []service.RunningService
showEvents := false
showTasks := false
showStoppedTasks := false
services := make(map[string][]*string)
e := ecs.ECS{}
dss, _ := c.getServices()
for _, ds := range dss {
services[ds.C] = append(services[ds.C], &ds.S)
}
for clusterName, serviceList := range services {
newRss, err := e.DescribeServices(clusterName, serviceList, showEvents, showTasks, showStoppedTasks)
if err != nil {
return []service.RunningService{}, err
}
rss = append(rss, newRss...)
}
sort.Slice(rss, func(i, j int) bool {
if strings.Compare(rss[i].ServiceName, rss[j].ServiceName) == 1 {
return false
}
return true
})
return rss, nil
}
func (c *Controller) describeService(serviceName string) (service.RunningService, error) {
var rs service.RunningService
showEvents := true
showTasks := true
showStoppedTasks := false
e := ecs.ECS{}
dss, _ := c.getServices()
for _, ds := range dss {
if ds.S == serviceName {
rss, err := e.DescribeServices(ds.C, []*string{&serviceName}, showEvents, showTasks, showStoppedTasks)
if err != nil {
return rs, err
}
if len(rss) != 1 {
return rs, errors.New("Empty RunningService object returned")
}
rs = rss[0]
return rs, nil
}
}
return rs, errors.New("Service " + serviceName + " not found")
}
func (c *Controller) describeServiceVersions(serviceName string) ([]service.ServiceVersion, error) {
var imageName string
var sv []service.ServiceVersion
s := service.NewService()
s.ServiceName = serviceName
ecr := ecs.ECR{}
// get last service to know container name
ddLast, err := s.GetLastDeploy()
if err != nil {
return sv, err
}
// get image linked with main container
for _, container := range ddLast.DeployData.Containers {
if container.ContainerName == serviceName {
if container.ContainerImage != "" {
imageName = container.ContainerImage
} else {
imageName = serviceName
}
}
}
if imageName == "" {
return sv, errors.New("Couldn't find imageName for service " + serviceName)
}
// get image tags
tags, err := ecr.ListImagesWithTag(imageName)
if err != nil {
return sv, err
}
// populate last deployed on
sv, err = s.GetServiceVersionsByTags(serviceName, imageName, tags)
if err != nil {
return sv, err
}
return sv, nil
}
func (c *Controller) getDeploymentStatus(serviceName, time string) (*service.DeployResult, error) {
s := service.NewService()
dd, err := s.GetDeployment(serviceName, time)
if err != nil {
return nil, err
}
ret := &service.DeployResult{
ClusterName: dd.DeployData.Cluster,
ServiceName: serviceName,
DeploymentTime: dd.Time,
Status: dd.Status,
DeployError: dd.DeployError,
TaskDefinitionArn: *dd.TaskDefinitionArn,
}
return ret, nil
}
func (c *Controller) getDeployment(serviceName, time string) (*service.Deploy, error) {
s := service.NewService()
dd, err := s.GetDeployment(serviceName, time)
if err != nil {
return nil, err
}
return dd.DeployData, nil
}
func (c *Controller) getServiceParameters(serviceName, userId, creds string) (map[string]ecs.Parameter, string, error) {
var err error
p := ecs.Paramstore{}
role := util.GetEnv("PARAMSTORE_ASSUME_ROLE", "")
if role != "" {
creds, err = p.AssumeRole(role, userId, creds)
if err != nil {
return p.Parameters, creds, err
}
}
err = p.GetParameters("/"+util.GetEnv("PARAMSTORE_PREFIX", "")+"-"+util.GetEnv("AWS_ACCOUNT_ENV", "")+"/"+serviceName+"/", false)
if err != nil {
return p.Parameters, creds, err
}
return p.Parameters, creds, nil
}
func (c *Controller) putServiceParameter(serviceName, userId, creds string, parameter service.DeployServiceParameter) (map[string]int64, string, error) {
var err error
p := ecs.Paramstore{}
res := make(map[string]int64)
role := util.GetEnv("PARAMSTORE_ASSUME_ROLE", "")
if role != "" {
creds, err = p.AssumeRole(role, userId, creds)
if err != nil {
return res, creds, err
}
}
version, err := p.PutParameter(serviceName, parameter)
res["version"] = *version
return res, creds, err
}
func (c *Controller) deleteServiceParameter(serviceName, userId, creds, parameter string) (string, error) {
var err error
p := ecs.Paramstore{}
role := util.GetEnv("PARAMSTORE_ASSUME_ROLE", "")
if role != "" {
creds, err = p.AssumeRole(role, userId, creds)
if err != nil {
return creds, err
}
}
err = p.DeleteParameter(serviceName, parameter)
return creds, err
}
func (c *Controller) deleteService(serviceName string) error {
var ds *service.DynamoServices
var clusterName string
s := service.NewService()
err := s.GetServices(ds)
if err != nil {
return err
}
for _, v := range ds.Services {
if v.S == serviceName {
clusterName = v.C
}
}
alb, err := ecs.NewALB(clusterName)
if err != nil {
return err
}
targetGroupArn, err := alb.GetTargetGroupArn(serviceName)
if err != nil {
return err
}
err = alb.DeleteTargetGroup(*targetGroupArn)
if err != nil {
return err
}
return nil
}
func (c *Controller) scaleService(serviceName string, desiredCount int64) error {
s := service.NewService()
s.ServiceName = serviceName
clusterName, err := s.GetClusterName()
if err != nil {
return err
}
s.SetScalingProperty(desiredCount)
e := ecs.ECS{}
e.ManualScaleService(clusterName, serviceName, desiredCount)
return nil
}
func (c *Controller) runTask(serviceName string, runTask service.RunTask) (string, error) {
s := service.NewService()
s.ServiceName = serviceName
var taskArn string
clusterName, err := s.GetClusterName()
if err != nil {
return taskArn, err
}
dd, err := s.GetLastDeploy()
if err != nil {
return taskArn, err
}
e := ecs.ECS{}
taskDefinition, err := e.GetTaskDefinition(clusterName, serviceName)
if err != nil {
return taskArn, err
}
taskArn, err = e.RunTask(clusterName, taskDefinition, runTask, *dd.DeployData)
if err != nil {
return taskArn, err
}
err = s.SetManualTasksArn(taskArn)
if err != nil {
return taskArn, err
}
return taskArn, nil
}
func (c *Controller) describeTaskDefinition(serviceName string) (ecs.TaskDefinition, error) {
var taskDefinition ecs.TaskDefinition
s := service.NewService()
s.ServiceName = serviceName
clusterName, err := s.GetClusterName()
if err != nil {
return taskDefinition, err
}
e := ecs.ECS{}
taskDefinitionName, err := e.GetTaskDefinition(clusterName, serviceName)
if err != nil {
return taskDefinition, err
}
taskDefinition, err = e.DescribeTaskDefinition(taskDefinitionName)
if err != nil {
return taskDefinition, err
}
return taskDefinition, nil
}
func (c *Controller) listTasks(serviceName string) ([]service.RunningTask, error) {
var tasks []service.RunningTask
var taskArns []*string
s := service.NewService()
s.ServiceName = serviceName
clusterName, err := s.GetClusterName()
if err != nil {
return tasks, err
}
e := ecs.ECS{}
runningTasks, err := e.ListTasks(clusterName, serviceName, "RUNNING", "family")
if err != nil {
return tasks, err
}
stoppedTasks, err := e.ListTasks(clusterName, serviceName, "STOPPED", "family")
if err != nil {
return tasks, err
}
taskArns = append(taskArns, runningTasks...)
taskArns = append(taskArns, stoppedTasks...)
tasks, err = e.DescribeTasks(clusterName, taskArns)
if err != nil {
return tasks, err
}
return tasks, nil
}
func (c *Controller) getServiceLogs(serviceName, taskArn, containerName string, start, end time.Time) (ecs.CloudWatchLog, error) {
cw := ecs.CloudWatch{}
return cw.GetLogEventsByTime(util.GetEnv("CLOUDWATCH_LOGS_PREFIX", "")+"-"+util.GetEnv("AWS_ACCOUNT_ENV", ""), containerName+"/"+containerName+"/"+taskArn, start, end, "")
}
func (c *Controller) Resume() error {
migration := Migration{}
s := service.NewService()
// check api version of database
dbApiVersion, err := s.GetApiVersion()
if err != nil {
if err.Error() == "dynamo: no item found" {
controllerLogger.Infof("Database is empty - starting app for the first time")
err = s.InitDB(apiVersion)
if err != nil {
return err
}
} else {
return err
}
}
if dbApiVersion != migration.getApiVersion() {
err := migration.run(dbApiVersion)
if err != nil {
return err
}
}
// check whether anything needs to be resumed
e := ecs.ECS{}
dds, err := s.GetDeploys("byDay", 20)
if err != nil {
return err
}
for i, dd := range dds {
if dd.Status == "running" {
// run goroutine to update status of service
controllerLogger.Infof("Starting waitUntilServiceStable for %v", dd.ServiceName)
var ddLast service.DynamoDeployment
if i == 0 {
ddLast = dds[i]
} else {
ddLast = dds[i-1]
}
var notification integrations.Notification
if util.GetEnv("SLACK_WEBHOOKS", "") != "" {
notification = integrations.NewSlack()
} else {
notification = integrations.NewDummy()
}
go e.LaunchWaitUntilServicesStable(&dds[i], &ddLast, notification)
}
}
// check for nodes draining
autoscaling := ecs.AutoScaling{}
services := make(map[string][]string)
dss, _ := c.getServices()
for i, ds := range dss {
services[ds.C] = append(services[ds.C], dss[i].S)
}
for clusterName, _ := range services {
var clusterNotFound bool
autoScalingGroupName, err := autoscaling.GetAutoScalingGroupByTag(clusterName)
if err != nil {
if strings.HasPrefix(err.Error(), "ClusterNotFound:") {
controllerLogger.Infof("Cluster %v not running - skipping resume for this cluster", clusterName)
clusterNotFound = true
} else {
return err
}
}
if !clusterNotFound {
// get cluster info
ciArns, err := e.ListContainerInstances(clusterName)
if err != nil {
return err
}
cis, err := e.DescribeContainerInstances(clusterName, ciArns)
if err != nil {
return err
}
// check for lifecycle hook
var lifecycleHookNotFound bool
hn, err := autoscaling.GetLifecycleHookNames(autoScalingGroupName, "autoscaling:EC2_INSTANCE_TERMINATING")
if err != nil || len(hn) == 0 {
controllerLogger.Errorf("Cluster %v doesn't have a lifecycle hook", clusterName)
lifecycleHookNotFound = true
}
if !lifecycleHookNotFound {
dc, err := s.GetClusterInfo()
if err != nil {
return err
}
for _, ci := range cis {
if ci.Status == "DRAINING" {
// write new record to switch container instance to draining (in case there's a record left with DRAINING)
var writeRecord bool
if dc != nil {
for i, dcci := range dc.ContainerInstances {
if clusterName == dcci.ClusterName && ci.Ec2InstanceId == dcci.ContainerInstanceId && dcci.Status != "DRAINING" {
dc.ContainerInstances[i].Status = "DRAINING"
writeRecord = true
}
}
}
if writeRecord {
s.PutClusterInfo(*dc, clusterName, "no", "")
}
// launch wait for drained
controllerLogger.Infof("Launching waitForDrainedNode for cluster=%v, instance=%v, autoscalingGroupName=%v", clusterName, ci.Ec2InstanceId, autoScalingGroupName)
go e.LaunchWaitForDrainedNode(clusterName, ci.ContainerInstanceArn, ci.Ec2InstanceId, autoScalingGroupName, hn[0], "")
}
}
}
// TODO: check for pending autoscaling actions
if len(cis) == 0 {
return errors.New("Couldn't retrieve any EC2 Container instances")
}
f, err := e.ConvertResourceToRir(cis[0].RegisteredResources)
if err != nil {
return err