manta-cli 2.0.0-beta.53

Another CLI for ALPS
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//! Implements the `manta apply boot group` command.

use anyhow::{anyhow, bail};
use manta_shared::types::params::group::GetGroupParams;

use crate::common::app_context::AppContext;
use crate::http_client::{ApplyBootConfigRequest, MantaClient};
use crate::output::action_result;

pub struct ExecParams<'a> {
  pub boot_image: Option<&'a str>,
  pub boot_image_configuration: Option<&'a str>,
  pub runtime_configuration: Option<&'a str>,
  pub kernel_parameters: Option<&'a str>,
  pub hsm_group_name: &'a str,
  pub dry_run: bool,
  pub output: Option<&'a str>,
}

/// Apply a boot configuration to all nodes in a cluster.
///
/// The server's `/boot-config` endpoint takes a hosts expression
/// (xnames / NIDs / hostlist notation), not a group name, so this
/// fetches the group's members first and forwards them as a
/// comma-separated xname list.
pub async fn exec(
  ctx: &AppContext<'_>,
  token: &str,
  p: ExecParams<'_>,
) -> Result<(), anyhow::Error> {
  let client = MantaClient::from_app_ctx(ctx)?;

  let groups = client
    .get_groups(
      token,
      &GetGroupParams {
        group_name: Some(p.hsm_group_name.to_string()),
        settings_group_name: None,
      },
    )
    .await?;
  let group = groups
    .into_iter()
    .next()
    .ok_or_else(|| anyhow!("HSM group '{}' not found", p.hsm_group_name))?;
  let xnames = group.members.and_then(|m| m.ids).unwrap_or_default();
  if xnames.is_empty() {
    bail!("HSM group '{}' has no members", p.hsm_group_name);
  }

  let result = client
    .apply_boot_config(
      token,
      &ApplyBootConfigRequest {
        hosts_expression: xnames.join(","),
        boot_image_id: p.boot_image.map(str::to_string),
        boot_image_configuration: p
          .boot_image_configuration
          .map(str::to_string),
        kernel_parameters: p.kernel_parameters.map(str::to_string),
        runtime_configuration: p.runtime_configuration.map(str::to_string),
        dry_run: p.dry_run,
      },
    )
    .await?;
  if p.dry_run {
    action_result::print_with_data(
      "Dry-run enabled. No changes persisted into the system.",
      &result,
      p.output,
    )?;
  } else {
    action_result::print("Boot configuration applied.", p.output)?;
  }
  Ok(())
}