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Merge pull request #290 from apex/add-infra
add infra command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Package infra proxies Terraform commands. | ||
| package infra | ||
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| import ( | ||
| "github.com/spf13/cobra" | ||
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| "github.com/apex/apex/cmd/apex/root" | ||
| "github.com/apex/apex/infra" | ||
| ) | ||
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| var infraEnvironment string | ||
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| // example output. | ||
| const example = ` View change plan | ||
| $ apex infra plan | ||
| Apply changes | ||
| $ apex infra apply` | ||
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| // Command config. | ||
| var Command = &cobra.Command{ | ||
| Use: "infra", | ||
| Short: "Infrastructure management", | ||
| Example: example, | ||
| RunE: run, | ||
| } | ||
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| // Initialize. | ||
| func init() { | ||
| root.Register(Command) | ||
| } | ||
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| // Run command. | ||
| func run(c *cobra.Command, args []string) error { | ||
| if err := root.Project.LoadFunctions(); err != nil { | ||
| return err | ||
| } | ||
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| p := &infra.Proxy{ | ||
| Project: root.Project, | ||
| } | ||
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| return p.Run(args...) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| // Package infra proxies Terraform commands. | ||
| package infra | ||
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| import ( | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
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| "github.com/apex/log" | ||
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| "github.com/apex/apex/project" | ||
| ) | ||
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| // Proxy is a wrapper around Terraform commands. | ||
| type Proxy struct { | ||
| Project *project.Project | ||
| } | ||
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| // Run terraform command in infrastructure directory. | ||
| func (p *Proxy) Run(args ...string) error { | ||
| if p.shouldInjectVars(args) { | ||
| args = append(args, p.functionVars()...) | ||
| } | ||
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| log.WithFields(log.Fields{ | ||
| "args": args, | ||
| }).Debug("terraform") | ||
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| cmd := exec.Command("terraform", args...) | ||
| cmd.Stdin = os.Stdin | ||
| cmd.Stdout = os.Stdout | ||
| cmd.Stderr = os.Stderr | ||
| cmd.Dir = "infrastructure" | ||
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| return cmd.Run() | ||
| } | ||
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| // functionVars returns the function ARN's as terraform -var arguments. | ||
| func (p *Proxy) functionVars() (args []string) { | ||
| for _, fn := range p.Project.Functions { | ||
| config, err := fn.GetConfig() | ||
| if err != nil { | ||
| log.Debugf("can't fetch function config: %s", err.Error()) | ||
| continue | ||
| } | ||
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| args = append(args, "-var") | ||
| args = append(args, fmt.Sprintf("apex_function_%s=%s", fn.Name, *config.Configuration.FunctionArn)) | ||
| } | ||
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| return args | ||
| } | ||
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| // shouldInjectVars checks if the command accepts -var flags. | ||
| func (p *Proxy) shouldInjectVars(args []string) bool { | ||
| if len(args) == 0 { | ||
| return false | ||
| } | ||
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| return args[0] == "plan" || args[0] == "apply" | ||
| } |