// Try to Tooligure a project by parsing yaml from a byte stream
func (tools *Tools) from_ToolYamlBytes(logger log.Log, project *conf.Project, yamlBytes []byte) bool {
if project != nil {
// token replace
tokens := &project.Tokens
yamlBytes = []byte(tokens.TokenReplace(string(yamlBytes)))
}
var yaml_tools map[string]map[string]interface{}
err := yaml.Unmarshal(yamlBytes, &yaml_tools)
if err != nil {
logger.Warning("Could not parse tool yaml:" + err.Error())
return false
}
for name, tool_struct := range yaml_tools {
switch tool_struct["Type"] {
case "script":
json_tool, _ := json.Marshal(tool_struct)
var scriptTool Tool_Script
err := json.Unmarshal(json_tool, &scriptTool)
if err != nil {
logger.Warning("Couldn't process tool [" + name + "] :" + err.Error())
continue
}
tool := Tool(&scriptTool)
tool.Init(logger.MakeChild("SCRIPT:"+name), project)
tools.SetTool(name, tool)
}
}
return true
}
func (operation *BuildOperation) Run(logger log.Log) bool {
logger.Info("Running operation: build")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
node, hasNode := target.Node()
nodeLogger := logger.MakeChild(targetID)
if !hasNode {
nodeLogger.Info("No node [" + node.MachineName() + "]")
} else if !node.Can("build") {
nodeLogger.Info("Node doesn't build [" + node.MachineName() + "]")
} else {
nodeLogger.Message("Building node")
node.Client().Build(nodeLogger, operation.force)
}
}
return true
}
func (operation *InfoOperation) Run(logger log.Log) bool {
logger.Message("RUNNING INFO OPERATION")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
node, hasNode := target.Node()
_, hasInstances := target.Instances()
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
nodeLogger := logger.MakeChild(targetID)
if hasNode {
nodeLogger.Message(targetID + " Information")
node.Client().NodeInfo(nodeLogger)
} else {
nodeLogger.Message("No node [" + node.MachineName() + "]")
}
if hasInstances {
node.Instances().Client().InstancesInfo(nodeLogger)
} else {
nodeLogger.Message("|-- No instances [" + node.MachineName() + "]")
}
}
return true
}
func (client *FSouza_NodeClient) Destroy(logger log.Log, force bool) bool {
// Get the image name
image, tag := client.GetImageName()
if tag != "" {
image += ":" + tag
}
if !client.HasImage() {
logger.Warning("Node has no image to destroy [" + image + "]")
return false
}
options := docker.RemoveImageOptions{
Force: force,
}
// ask the docker client to remove the image
err := client.backend.RemoveImageExtended(image, options)
if err != nil {
logger.Error("Node image removal failed [" + image + "] => " + err.Error())
return false
} else {
client.backend.Refresh(true, false)
logger.Message("Node image was removed [" + image + "]")
return true
}
}
// Is this project configured enough to run coach
func (project *Project) IsValid(logger log.Log) bool {
/**
* 1. do we have a project coach folder, and does it exist.
*/
if projectCoachPath, ok := project.Path("project-coach"); ok {
if _, err := os.Stat(projectCoachPath); err != nil {
logger.Warning(`Could not find a project root .coach folder:
- At the root of any coach prpject, must be a .coach folder;
- This folder can container project configurations;
- The folder is required, because it tells coach where the project base is.`)
return false
}
} else {
return false
}
/**
* 2. Do we have a project name
*
* This is important as it gets used to make image and container names
*/
if project.Name == "" {
logger.Warning(`Coach project has no Name.
- A project name can be set in the .coach/conf.yml file.
- The Name is used as a base for image and container names.`)
return false
}
return true
}
func (operation *StatusOperation) Run(logger log.Log) bool {
logger.Message("RUNNING Status OPERATION")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
node, hasNode := target.Node()
instances, hasInstances := target.Instances()
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
nodeLogger := logger.MakeChild(targetID)
status := []string{}
if hasNode {
status = append(status, operation.NodeStatus(nodeLogger, node)...)
} else {
status = append(status, "No node for target")
}
if hasInstances {
status = append(status, operation.InstancesStatus(nodeLogger, instances)...)
} else {
status = append(status, "No instances for target")
}
nodeLogger.Message("[" + strings.Join(status, "][") + "]")
}
return true
}
func (operation *CreateOperation) Run(logger log.Log) bool {
logger.Info("Running operation: create")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
node, hasNode := target.Node()
instances, hasInstances := target.Instances()
nodeLogger := logger.MakeChild(targetID)
if !hasNode {
nodeLogger.Warning("No node [" + node.MachineName() + "]")
} else if !node.Can("create") {
nodeLogger.Info("Node doesn't create [" + node.MachineName() + ":" + node.Type() + "]")
} else if !hasInstances {
nodeLogger.Info("No valid instances specified in target list [" + node.MachineName() + "]")
} else {
nodeLogger.Message("Creating instance containers")
for _, id := range instances.InstancesOrder() {
instance, _ := instances.Instance(id)
instance.Client().Create(logger, []string{}, operation.force)
}
}
}
return true
}
func (client *FSouza_InstanceClient) Commit(logger log.Log, tag string, message string) bool {
id := client.instance.MachineName()
config := client.settings.Config
repo := client.settings.Repository
author := client.settings.Author
if repo == "" {
repo, _ = client.GetImageName()
}
options := docker.CommitContainerOptions{
Container: id,
Repository: repo,
Tag: tag,
Run: &config,
}
if message != "" {
options.Message = message
}
if author != "" {
author = client.conf.Author
}
_, err := client.backend.CommitContainer(options)
if err != nil {
logger.Warning("Failed to commit container changes to an image [" + client.instance.Id() + ":" + id + "] : " + tag)
return false
} else {
client.backend.Refresh(true, false)
logger.Message("Committed container changes to an image [" + client.instance.Id() + ":" + id + "] : " + tag)
return true
}
}
func (task *InitTaskFileBase) CopyFileRecursive(logger log.Log, path string, source string) bool {
sourceAbsPath, ok := task.absolutePath(source, false)
if !ok {
logger.Warning("Couldn't find copy source " + source)
return false
}
return task.copyFileRecursive(logger, path, sourceAbsPath, "")
}
// Try to configure a project by parsing yaml from a byte stream
func (project *Project) from_ConfYamlBytes(logger log.Log, yamlBytes []byte) bool {
// parse the config file contents as a ConfSource_projectyaml object
source := new(conf_Yaml)
if err := yaml.Unmarshal(yamlBytes, source); err != nil {
logger.Warning("YAML parsing error : " + err.Error())
return false
}
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "YAML source:", *source)
return source.configureProject(logger, project)
}
func (operation *ScaleOperation) Run(logger log.Log) bool {
logger.Info("Running operation: scale")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
if operation.scale == 0 {
operation.log.Warning("scale operation was told to scale to 0")
return false
}
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
node, hasNode := target.Node()
nodeLogger := logger.MakeChild(targetID)
if !hasNode {
nodeLogger.Info("No node [" + node.MachineName() + "]")
} else if !node.Can("scale") {
nodeLogger.Info("Node doesn't Scale [" + node.MachineName() + "]")
} else {
nodeLogger.Message("Scaling node " + node.Id())
if operation.scale > 0 {
count := operation.ScaleUpNumber(nodeLogger, node.Instances(), operation.scale)
if count == 0 {
nodeLogger.Warning("Scale operation could not scale up any new instances of node")
} else if count < operation.scale {
nodeLogger.Warning("Scale operation could not scale up all of the requested instances of node. " + strconv.FormatInt(int64(count+1), 10) + " started.")
} else {
nodeLogger.Message("Scale operation scaled up " + strconv.FormatInt(int64(count), 10) + " instances")
}
} else {
count := operation.ScaleDownNumber(nodeLogger, node.Instances(), -operation.scale)
if count == 0 {
nodeLogger.Warning("Scale operation could not scale down any new instances of node")
} else if count < (-operation.scale) {
nodeLogger.Warning("Scale operation could not scale down all of the requested instances of node. " + strconv.FormatInt(int64(count+1), 10) + " stopped.")
} else {
nodeLogger.Message("Scale operation scaled down " + strconv.FormatInt(int64(count), 10) + " instances")
}
}
}
}
return true
}
func (task *InitTaskFileCopy) RunTask(logger log.Log) bool {
if task.path == "" || task.root == "" || task.source == "" {
return false
}
if task.CopyFileRecursive(logger, task.path, task.source) {
logger.Message("--> Copied file : " + task.source + " -> " + task.path)
return true
} else {
logger.Warning("--> Failed to copy file : " + task.source + " -> " + task.path)
return false
}
}
func (task *InitTaskRemoteFile) RunTask(logger log.Log) bool {
if task.path == "" || task.root == "" || task.url == "" {
return false
}
if task.CopyRemoteFile(logger, task.path, task.url) {
logger.Message("--> Copied remote file : " + task.url + " -> " + task.path)
return true
} else {
logger.Warning("--> Failed to copy remote file : " + task.url)
return false
}
}
func (task *InitTaskFile) RunTask(logger log.Log) bool {
if task.path == "" {
return false
}
if task.MakeFile(logger, task.path, task.contents) {
logger.Message("--> Created file : " + task.path)
return true
} else {
logger.Warning("--> Failed to create file : " + task.path)
return false
}
}
// Try to configure a project by parsing yaml from a conf file
func (nodes *Nodes) from_NodesYamlFilePath(logger log.Log, project *conf.Project, clientFactories *ClientFactories, yamlFilePath string, overwrite bool) bool {
// read the config file
yamlFile, err := ioutil.ReadFile(yamlFilePath)
if err != nil {
logger.Debug(log.VERBOSITY_DEBUG_LOTS, "Could not read a YAML file: "+err.Error())
return false
}
if !nodes.from_NodesYamlBytes(logger.MakeChild(yamlFilePath), project, clientFactories, yamlFile, overwrite) {
logger.Warning("YAML marshalling of the YAML nodes file failed [" + yamlFilePath + "]: " + err.Error())
return false
}
return true
}
// Try to configure factories by parsing yaml from a byte stream
func (clientFactories *ClientFactories) from_ClientFactoriesYamlBytes(logger log.Log, project *conf.Project, yamlBytes []byte) bool {
if project != nil {
// token replace
tokens := &project.Tokens
yamlBytes = []byte(tokens.TokenReplace(string(yamlBytes)))
}
var yaml_clients map[string]map[string]interface{}
err := yaml.Unmarshal(yamlBytes, &yaml_clients)
if err != nil {
logger.Warning("YAML parsing error : " + err.Error())
return false
}
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "YAML source:", yaml_clients)
for name, client_struct := range yaml_clients {
clientType := ""
client_json, _ := json.Marshal(client_struct)
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "Single client JSON:", string(client_json))
if clientType_struct, ok := client_struct["Type"]; ok {
clientType, _ = clientType_struct.(string)
} else {
clientType = name
}
switch strings.ToLower(clientType) {
case "docker":
fallthrough
case "fsouza":
clientFactorySettings := &FSouza_ClientFactorySettings{}
err := json.Unmarshal(client_json, clientFactorySettings)
if err != nil {
logger.Warning("Factory definition failed to configure client factory :" + err.Error())
logger.Debug(log.VERBOSITY_DEBUG, "Factory configuration json: ", string(client_json), clientFactorySettings)
continue
}
factory := FSouza_ClientFactory{}
if !factory.Init(logger.MakeChild(clientType), project, ClientFactorySettings(clientFactorySettings)) {
logger.Error("Failed to initialize FSouza factory from client factory configuration: " + err.Error())
continue
}
// Add this factory to the factory list
logger.Debug(log.VERBOSITY_DEBUG_LOTS, "Client Factory Created [Client_DockerFSouzaFactory]", factory)
clientFactories.AddClientFactory(clientType, ClientFactory(&factory))
case "":
logger.Warning("Client registration failure, client has a bad value for 'Type'")
default:
logger.Warning("Client registration failure, client has an unknown value for 'Type' :" + clientType)
}
}
return true
}
// Try to configure a project by parsing yaml from a conf file
func (project *Project) from_ConfYamlFilePath(logger log.Log, yamlFilePath string) bool {
// read the config file
yamlFile, err := ioutil.ReadFile(yamlFilePath)
if err != nil {
logger.Debug(log.VERBOSITY_DEBUG_LOTS, "Could not read a YAML file: "+err.Error())
return false
}
if !project.from_ConfYamlBytes(logger.MakeChild(yamlFilePath), yamlFile) {
logger.Warning("YAML marshalling of the YAML conf file failed [" + yamlFilePath + "]: " + err.Error())
return false
}
return true
}
func (node *PullNode) Init(logger log.Log, name string, project *conf.Project, client Client, instancesSettings InstancesSettings) bool {
node.BaseNode.Init(logger, name, project, client, instancesSettings)
settingsInterface := instancesSettings.Settings()
switch settingsInterface.(type) {
case FixedInstancesSettings:
logger.Warning("Pull node cannot be configured to use fixed instances. Using null instance instead.")
node.defaultInstances(logger, client, instancesSettings)
case ScaledInstancesSettings:
logger.Warning("Pull node cannot be configured to use scaled instances. Using null instance instead.")
node.defaultInstances(logger, client, instancesSettings)
case SingleInstancesSettings:
logger.Warning("Pull node cannot be configured to use single instances. Using null instance instead.")
node.defaultInstances(logger, client, instancesSettings)
case TemporaryInstancesSettings:
logger.Warning("Pull node cannot be configured to use disposable instances. Using null instance instead.")
node.defaultInstances(logger, client, instancesSettings)
default:
node.defaultInstances(logger, client, instancesSettings)
}
node.instances.Init(logger, node.MachineName(), client, instancesSettings)
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "Built new node:", node.client)
return true
}
func (operation *PauseOperation) Run(logger log.Log) bool {
logger.Info("Running operation: pause")
logger.Debug(log.VERBOSITY_DEBUG, "Run:Targets", operation.targets.TargetOrder())
for _, targetID := range operation.targets.TargetOrder() {
target, targetExists := operation.targets.Target(targetID)
if !targetExists {
// this is strange
logger.Warning("Internal target error, was told to use a target that doesn't exist")
continue
}
node, hasNode := target.Node()
instances, hasInstances := target.Instances()
nodeLogger := logger.MakeChild(targetID)
if !hasNode {
nodeLogger.Warning("No node [" + node.MachineName() + "]")
} else if !node.Can("pause") {
nodeLogger.Info("Node doesn't Pause [" + node.MachineName() + ":" + node.Type() + "]")
} else if !hasInstances {
nodeLogger.Info("No valid instances specified in target list [" + node.MachineName() + "]")
} else {
nodeLogger.Message("Pausing instances")
if !instances.IsFiltered() {
nodeLogger.Info("Switching to using all instances")
instances.UseAll()
}
for _, id := range instances.InstancesOrder() {
instance, _ := instances.Instance(id)
if !instance.IsRunning() {
if !instance.IsReady() {
nodeLogger.Info("Instance will not be paused as it is not ready :" + id)
} else {
nodeLogger.Info("Instance will not be paused as it is not running :" + id)
}
} else {
instance.Client().Pause(logger)
}
}
}
}
return true
}
// Try to configure help by parsing yaml from a byte stream
func (help *Help) from_HelpYamlBytes(logger log.Log, project *conf.Project, yamlBytes []byte) bool {
if project != nil {
// token replace
tokens := &project.Tokens
yamlBytes = []byte(tokens.TokenReplace(string(yamlBytes)))
logger.Debug(log.VERBOSITY_DEBUG_LOTS, "Tokenized Bytes", string(yamlBytes))
}
if err := yaml.Unmarshal(yamlBytes, help); err != nil {
logger.Warning("YAML parsing error : " + err.Error())
// logger.Debug(log.VERBOSITY_DEBUG, "YAML parsing error : " + err.Error(), string(yamlBytes))
return false
}
return true
}
func (client *FSouza_NodeClient) Build(logger log.Log, force bool) bool {
image, tag := client.GetImageName()
if client.settings.BuildPath == "" {
logger.Warning("Node image [" + image + ":" + tag + "] not built as an empty path was provided. You must point Build: to a path inside .coach")
return false
}
if !force && client.HasImage() {
logger.Info("Node image [" + image + ":" + tag + "] not built as an image already exists. You can force this operation to build this image")
return false
}
// determine an absolute buildPath to the build, for Docker to use.
buildPath := ""
for _, confBuildPath := range client.conf.Paths.GetConfSubPaths(client.settings.BuildPath) {
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "Looking for Build: "+confBuildPath)
if _, err := os.Stat(confBuildPath); !os.IsNotExist(err) {
buildPath = confBuildPath
break
}
}
if buildPath == "" {
logger.Error("No matching build path could be found [" + client.settings.BuildPath + "]")
}
options := docker.BuildImageOptions{
Name: image + ":" + tag,
ContextDir: buildPath,
RmTmpContainer: true,
OutputStream: logger,
}
logger.Info("Building node image [" + image + ":" + tag + "] From build path [" + buildPath + "]")
// ask the docker client to build the image
err := client.backend.BuildImage(options)
if err != nil {
logger.Error("Node build failed [" + client.node.MachineName() + "] in build path [" + buildPath + "] => " + err.Error())
return false
} else {
client.backend.Refresh(true, false)
logger.Message("Node succesfully built image [" + image + ":" + tag + "] From path [" + buildPath + "]")
return true
}
}
func (task *InitTaskFileStringReplace) RunTask(logger log.Log) bool {
if task.path == "" || task.root == "" || task.oldString == "" || task.newString == "" {
return false
}
if task.replaceCount == 0 {
task.replaceCount = -1
}
if task.FileStringReplace(logger, task.path, task.oldString, task.newString, task.replaceCount) {
logger.Message("--> performed string replace on file : " + task.path)
return true
} else {
logger.Warning("--> Failed to perform string replace on file : " + task.path)
return false
}
}
func (node *node_yaml_v2) GetClient(logger log.Log, clientFactories *ClientFactories) (Client, bool) {
// if a docker client was configured then try to take it.
// if !(node.Docker.Config.Image=="" && node.Docker.BuildPath=="") {
if factory, ok := clientFactories.MatchClientFactory(FactoryMatchRequirements{Type: "docker"}); ok {
if client, ok := factory.MakeClient(logger, ClientSettings(&node.Docker)); ok {
return client, true
}
} else {
logger.Debug(log.VERBOSITY_DEBUG_STAAAP, "Failed to match client factory:", factory)
}
// }
logger.Warning("Invalid YAML node settings: improper client configuration")
return nil, false
}
func (settings *FSouza_ClientSettings) Prepare(logger log.Log, nodes *Nodes) bool {
settings.log = logger
/**
* Remap all binds so that they are based on the project folder
* - any relative path is remapped to be from the project root
* - any path starting with ~ is remapped to the user home flder
* - any absolute paths are left as is
*/
if settings.Host.Binds != nil {
var binds []string
for index, bind := range settings.Host.Binds {
binds = strings.SplitN(bind, ":", 3)
bindRoot := binds[0] // this is the bind source
if path.IsAbs(bindRoot) {
continue
} else if bindRoot[0:1] == "~" { // one would think that path can handle such terminology
if rootPath, ok := settings.conf.Paths.Path("user-home"); ok {
bindRoot = path.Join(rootPath, bindRoot[1:])
}
} else {
if rootPath, ok := settings.conf.Paths.Path("project-root"); ok {
bindRoot = path.Join(rootPath, bindRoot[:])
}
}
// report a warning if the bind path does not exists.
// This sometimes causes issues as Docker will try to create the
// host bind path on the fly, as the root user
if _, err := os.Stat(bindRoot); os.IsNotExist(err) {
logger.Warning("Node settings included a bind path that does not exist. Docker will try to create the local path as a file:" + binds[0] + " .Note that in some cases, related containers may report a missing image error")
}
if bindRoot != binds[0] {
binds[0] = bindRoot
settings.Host.Binds[index] = strings.Join(binds, ":")
}
}
}
// build dependencies by looking at the Host Links and VolumesFrom lists
settings.dependenciesFromConfig(logger, nodes, settings.Host.Links)
settings.dependenciesFromConfig(logger, nodes, settings.Host.VolumesFrom)
return true
}
// MakeCoachProject Project constructor for building a project based on a project path
func MakeCoachProject(logger log.Log, workingDir string, environment string) (project *Project) {
project = &Project{
Environment: environment, // base on the default environment
Paths: MakePaths(), // empty typesafe paths object
Tokens: MakeTokens(), // empty tokens object
Flags: MakeProjectFlags(), // empty flags object
}
/**
* 1. try to get some base default configuration, seeing if there is a
* project .coach folder above the workingdir (or in it) or maybe
* there's a user's ~/.coach
*/
project.from_DefaultPaths(logger.MakeChild("defaults"), workingDir)
// set the two project paths, to be the most important
project.setConfPath("project-coach")
// set the user conf paths, to be the least important
project.setConfPath("user-coach")
/**
* 2. Look for YAML configurations in the Configuration Paths
*/
project.from_ConfYaml(logger.MakeChild("confyaml"))
/**
* 3. Try to load secrets from configuration paths
*/
project.from_EnvironmentsPath(logger.MakeChild("environment"))
/**
* 4. Try to load secrets from configuration paths
*/
project.from_SecretsYaml(logger.MakeChild("secrets"))
/**
* 5. Run the project prepare, which will validate the configuration
*/
if !project.Prepare(logger) {
logger.Warning("Coach configuration processing failed")
}
return project
}
func (task *InitTaskFileBase) copyFileRecursive(logger log.Log, destinationRootPath string, sourceRootPath string, sourcePath string) bool {
fullPath := sourceRootPath
if sourcePath != "" {
fullPath = path.Join(fullPath, sourcePath)
}
// get properties of source dir
info,
err := os.Stat(fullPath)
if err != nil {
// @TODO do something log : source doesn't exist
logger.Warning("File does not exist :" + fullPath)
return false
}
mode := info.Mode()
if mode.IsDir() {
directory, _ := os.Open(fullPath)
objects, err := directory.Readdir(-1)
if err != nil {
// @TODO do something log : source doesn't exist
logger.Warning("Could not open directory")
return false
}
for _, obj := range objects {
//childSourcePath := source + "/" + obj.Name()
childSourcePath := path.Join(sourcePath, obj.Name())
if !task.copyFileRecursive(logger, destinationRootPath, sourceRootPath, childSourcePath) {
logger.Warning("Resursive copy failed")
}
}
} else {
// add file copy
destinationPath := path.Join(destinationRootPath, sourcePath)
if task.CopyFile(logger, destinationPath, sourceRootPath) {
logger.Info("--> Copied file (recursively): " + sourcePath + " [from " + sourceRootPath + "]")
return true
} else {
logger.Warning("--> Failed to copy file: " + sourcePath + " [from " + sourceRootPath + "]")
return false
}
return true
}
return true
}
func (task *InitTaskFileBase) MakeDir(logger log.Log, makePath string, pathIsFile bool) bool {
if makePath == "" {
return true // it's already made
}
if pathDirectory, ok := task.absolutePath(makePath, true); !ok {
logger.Warning("Invalid directory path: " + pathDirectory)
return false
}
pathDirectory := path.Join(task.root, makePath)
if pathIsFile {
pathDirectory = path.Dir(pathDirectory)
}
if err := os.MkdirAll(pathDirectory, 0777); err != nil {
// @todo something log
return false
}
return true
}
func (task *InitTaskFileBase) CopyRemoteFile(logger log.Log, destinationPath string, sourcePath string) bool {
if destinationPath == "" || sourcePath == "" {
return false
}
response, err := http.Get(sourcePath)
if err != nil {
logger.Warning("Could not open remote URL: " + sourcePath)
return false
}
defer response.Body.Close()
sourceContent, err := ioutil.ReadAll(response.Body)
if err != nil {
logger.Warning("Could not read remote file: " + sourcePath)
return false
}
return task.MakeFile(logger, destinationPath, string(sourceContent))
}
// perform a string replace on file contents
func (task *InitTaskFileBase) FileStringReplace(logger log.Log, targetPath string, oldString string, newString string, replaceCount int) bool {
targetPath, ok := task.absolutePath(targetPath, false)
if !ok {
logger.Warning("Invalid string replace path: " + targetPath)
return false
}
contents, err := ioutil.ReadFile(targetPath)
if err != nil {
logger.Error(err.Error())
}
contents = []byte(strings.Replace(string(contents), oldString, newString, replaceCount))
err = ioutil.WriteFile(targetPath, contents, 0644)
if err != nil {
logger.Error(err.Error())
}
return true
}
func (instances *ScaledInstances) Init(logger log.Log, machineName string, client Client, settings InstancesSettings) bool {
instances.BaseInstances.Init(logger, machineName, client, settings)
switch asserted := settings.Settings().(type) {
case ScaledInstancesSettings:
// sanity check
if asserted.Initial < 0 {
asserted.Maximum = INSTANCES_SCALED_DEFAULT_INITIAL
logger.Warning("Scaled instances Initial count was invalid. Switching to the default value")
}
if asserted.Maximum < 1 {
asserted.Maximum = INSTANCES_SCALED_DEFAULT_MAXIMUM
logger.Warning("Scaled instances Maximum was invalid. Switching to the default value")
}
if asserted.Initial > asserted.Maximum {
asserted.Maximum = asserted.Initial
logger.Warning("Scaled instances Maximum is lower than the Initial value. Using Initial as Maximum.")
}
instances.settings = asserted
default:
instances.settings = ScaledInstancesSettings{Initial: INSTANCES_SCALED_DEFAULT_INITIAL, Maximum: INSTANCES_SCALED_DEFAULT_MAXIMUM}
}
return true
}