// parseTemplateConfigs converts the tasks templates into consul-templates
func parseTemplateConfigs(tmpls []*structs.Template, taskDir string, taskEnv *env.TaskEnvironment) map[ctconf.ConfigTemplate]*structs.Template {
// Build the task environment
// TODO Should be able to inject the Nomad env vars into Consul-template for
// rendering
taskEnv.Build()
ctmpls := make(map[ctconf.ConfigTemplate]*structs.Template, len(tmpls))
for _, tmpl := range tmpls {
var src, dest string
if tmpl.SourcePath != "" {
src = filepath.Join(taskDir, taskEnv.ReplaceEnv(tmpl.SourcePath))
}
if tmpl.DestPath != "" {
dest = filepath.Join(taskDir, taskEnv.ReplaceEnv(tmpl.DestPath))
}
ct := ctconf.ConfigTemplate{
Source: src,
Destination: dest,
EmbeddedTemplate: tmpl.EmbeddedTmpl,
Perms: ctconf.DefaultFilePerms,
Wait: &watch.Wait{},
}
ctmpls[ct] = tmpl
}
return ctmpls
}
// getGetterUrl returns the go-getter URL to download the artifact.
func getGetterUrl(taskEnv *env.TaskEnvironment, artifact *structs.TaskArtifact) (string, error) {
taskEnv.Build()
u, err := url.Parse(taskEnv.ReplaceEnv(artifact.GetterSource))
if err != nil {
return "", fmt.Errorf("failed to parse source URL %q: %v", artifact.GetterSource, err)
}
// Build the url
q := u.Query()
for k, v := range artifact.GetterOptions {
q.Add(k, taskEnv.ReplaceEnv(v))
}
u.RawQuery = q.Encode()
return u.String(), nil
}
// parseTemplateConfigs converts the tasks templates into consul-templates
func parseTemplateConfigs(tmpls []*structs.Template, taskDir string,
taskEnv *env.TaskEnvironment, allowAbs bool) (map[ctconf.ConfigTemplate]*structs.Template, error) {
// Build the task environment
// TODO Should be able to inject the Nomad env vars into Consul-template for
// rendering
taskEnv.Build()
ctmpls := make(map[ctconf.ConfigTemplate]*structs.Template, len(tmpls))
for _, tmpl := range tmpls {
var src, dest string
if tmpl.SourcePath != "" {
if filepath.IsAbs(tmpl.SourcePath) {
if !allowAbs {
return nil, fmt.Errorf("Specifying absolute template paths disallowed by client config: %q", tmpl.SourcePath)
}
src = tmpl.SourcePath
} else {
src = filepath.Join(taskDir, taskEnv.ReplaceEnv(tmpl.SourcePath))
}
}
if tmpl.DestPath != "" {
dest = filepath.Join(taskDir, taskEnv.ReplaceEnv(tmpl.DestPath))
}
ct := ctconf.ConfigTemplate{
Source: src,
Destination: dest,
EmbeddedTemplate: tmpl.EmbeddedTmpl,
Perms: ctconf.DefaultFilePerms,
Wait: &watch.Wait{},
}
ctmpls[ct] = tmpl
}
return ctmpls, nil
}
// NewDockerDriverConfig returns a docker driver config by parsing the HCL
// config
func NewDockerDriverConfig(task *structs.Task, env *env.TaskEnvironment) (*DockerDriverConfig, error) {
var dconf DockerDriverConfig
// Default to SSL
dconf.SSL = true
if err := mapstructure.WeakDecode(task.Config, &dconf); err != nil {
return nil, err
}
// Interpolate everthing that is a string
dconf.ImageName = env.ReplaceEnv(dconf.ImageName)
dconf.Command = env.ReplaceEnv(dconf.Command)
dconf.IpcMode = env.ReplaceEnv(dconf.IpcMode)
dconf.NetworkMode = env.ReplaceEnv(dconf.NetworkMode)
dconf.PidMode = env.ReplaceEnv(dconf.PidMode)
dconf.UTSMode = env.ReplaceEnv(dconf.UTSMode)
dconf.Hostname = env.ReplaceEnv(dconf.Hostname)
dconf.WorkDir = env.ReplaceEnv(dconf.WorkDir)
dconf.Volumes = env.ParseAndReplace(dconf.Volumes)
dconf.DNSServers = env.ParseAndReplace(dconf.DNSServers)
dconf.DNSSearchDomains = env.ParseAndReplace(dconf.DNSSearchDomains)
dconf.LoadImages = env.ParseAndReplace(dconf.LoadImages)
for _, m := range dconf.LabelsRaw {
for k, v := range m {
delete(m, k)
m[env.ReplaceEnv(k)] = env.ReplaceEnv(v)
}
}
for _, a := range dconf.Auth {
a.Username = env.ReplaceEnv(a.Username)
a.Password = env.ReplaceEnv(a.Password)
a.Email = env.ReplaceEnv(a.Email)
a.ServerAddress = env.ReplaceEnv(a.ServerAddress)
}
for _, l := range dconf.Logging {
l.Type = env.ReplaceEnv(l.Type)
for _, c := range l.ConfigRaw {
for k, v := range c {
delete(c, k)
c[env.ReplaceEnv(k)] = env.ReplaceEnv(v)
}
}
}
for _, m := range dconf.PortMapRaw {
for k, v := range m {
delete(m, k)
m[env.ReplaceEnv(k)] = v
}
}
// Remove any http
if strings.Contains(dconf.ImageName, "https://") {
dconf.ImageName = strings.Replace(dconf.ImageName, "https://", "", 1)
}
if err := dconf.Validate(); err != nil {
return nil, err
}
return &dconf, nil
}