open-nomad/command/plugin_status_csi.go
Tim Gross de4ad6ca38 csi: add Provider field to CSI CLIs and APIs (#7285)
Derive a provider name and version for plugins (and the volumes that
use them) from the CSI identity API `GetPluginInfo`. Expose the vendor
name as `Provider` in the API and CLI commands.
2020-03-23 13:58:30 -04:00

114 lines
2.8 KiB
Go

package command
import (
"fmt"
"sort"
"strings"
"github.com/hashicorp/nomad/api"
)
func (c *PluginStatusCommand) csiBanner() {
if !(c.json || len(c.template) > 0) {
c.Ui.Output(c.Colorize().Color("[bold]Container Storage Interface[reset]"))
}
}
func (c *PluginStatusCommand) csiStatus(client *api.Client, id string) int {
if id == "" {
c.csiBanner()
plugs, _, err := client.CSIPlugins().List(nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error querying CSI plugins: %s", err))
return 1
}
if len(plugs) == 0 {
// No output if we have no plugins
c.Ui.Error("No CSI plugins")
} else {
str, err := c.csiFormatPlugins(plugs)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error formatting: %s", err))
return 1
}
c.Ui.Output(str)
}
return 0
}
// Lookup matched a single plugin
plug, _, err := client.CSIPlugins().Info(id, nil)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error querying plugin: %s", err))
return 1
}
str, err := c.csiFormatPlugin(plug)
if err != nil {
c.Ui.Error(fmt.Sprintf("Error formatting plugin: %s", err))
return 1
}
c.Ui.Output(str)
return 0
}
func (c *PluginStatusCommand) csiFormatPlugins(plugs []*api.CSIPluginListStub) (string, error) {
// Sort the output by quota name
sort.Slice(plugs, func(i, j int) bool { return plugs[i].ID < plugs[j].ID })
if c.json || len(c.template) > 0 {
out, err := Format(c.json, c.template, plugs)
if err != nil {
return "", fmt.Errorf("format error: %v", err)
}
return out, nil
}
rows := make([]string, len(plugs)+1)
rows[0] = "ID|Provider|Controllers Healthy/Expected|Nodes Healthy/Expected"
for i, p := range plugs {
rows[i+1] = fmt.Sprintf("%s|%s|%d/%d|%d/%d",
limit(p.ID, c.length),
p.Provider,
p.ControllersHealthy,
p.ControllersExpected,
p.NodesHealthy,
p.NodesExpected,
)
}
return formatList(rows), nil
}
func (c *PluginStatusCommand) csiFormatPlugin(plug *api.CSIPlugin) (string, error) {
if c.json || len(c.template) > 0 {
out, err := Format(c.json, c.template, plug)
if err != nil {
return "", fmt.Errorf("format error: %v", err)
}
return out, nil
}
output := []string{
fmt.Sprintf("ID|%s", plug.ID),
fmt.Sprintf("Provider|%s", plug.Provider),
fmt.Sprintf("Version|%s", plug.Version),
fmt.Sprintf("Controllers Healthy|%d", plug.ControllersHealthy),
fmt.Sprintf("Controllers Expected|%d", len(plug.Controllers)),
fmt.Sprintf("Nodes Healthy|%d", plug.NodesHealthy),
fmt.Sprintf("Nodes Expected|%d", len(plug.Nodes)),
}
// Exit early
if c.short {
return formatKV(output), nil
}
// Format the allocs
banner := c.Colorize().Color("\n[bold]Allocations[reset]")
allocs := formatAllocListStubs(plug.Allocations, c.verbose, c.length)
full := []string{formatKV(output), banner, allocs}
return strings.Join(full, "\n"), nil
}