cli: show when nodes are draining metadata
This commit is contained in:
Alex Auvolat
parent
78362140f5
commit
539a920313
@ -1,4 +1,4 @@
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use std::collections::HashSet;
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use std::collections::{HashMap, HashSet};
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use std::time::Duration;
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use format_table::format_table;
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@ -62,35 +62,69 @@ pub async fn cmd_status(rpc_cli: &Endpoint<SystemRpc, ()>, rpc_host: NodeID) ->
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let mut healthy_nodes =
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vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tDataAvail".to_string()];
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for adv in status.iter().filter(|adv| adv.is_up) {
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match layout.current().roles.get(&adv.id) {
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Some(NodeRoleV(Some(cfg))) => {
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let data_avail = match &adv.status.data_disk_avail {
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_ if cfg.capacity.is_none() => "N/A".into(),
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Some((avail, total)) => {
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let pct = (*avail as f64) / (*total as f64) * 100.;
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let avail = bytesize::ByteSize::b(*avail);
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format!("{} ({:.1}%)", avail, pct)
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}
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None => "?".into(),
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};
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if let Some(NodeRoleV(Some(cfg))) = layout.current().roles.get(&adv.id) {
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let data_avail = match &adv.status.data_disk_avail {
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_ if cfg.capacity.is_none() => "N/A".into(),
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Some((avail, total)) => {
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let pct = (*avail as f64) / (*total as f64) * 100.;
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let avail = bytesize::ByteSize::b(*avail);
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format!("{} ({:.1}%)", avail, pct)
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}
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None => "?".into(),
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};
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healthy_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}\t{data_avail}",
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id = adv.id,
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host = adv.status.hostname,
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addr = adv.addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = cfg.capacity_string(),
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data_avail = data_avail,
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));
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} else {
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let prev_role = layout
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.versions
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.iter()
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.rev()
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.find_map(|x| match x.roles.get(&adv.id) {
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Some(NodeRoleV(Some(cfg))) => Some(cfg),
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_ => None,
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});
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let historic_role =
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layout
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.old_versions
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.iter()
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.rev()
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.find_map(|x| match x.roles.get(&adv.id) {
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Some(NodeRoleV(Some(cfg))) => Some(cfg),
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_ => None,
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});
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if let Some(cfg) = prev_role {
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healthy_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}\t{data_avail}",
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\tdraining metadata...",
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id = adv.id,
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host = adv.status.hostname,
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addr = adv.addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = cfg.capacity_string(),
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data_avail = data_avail,
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));
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}
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_ => {
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} else if let Some(cfg) = historic_role {
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healthy_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\tremoved, metadata drained",
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id = adv.id,
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host = adv.status.hostname,
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addr = adv.addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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));
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} else {
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let new_role = match layout.staging.get().roles.get(&adv.id) {
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Some(NodeRoleV(Some(_))) => "(pending)",
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Some(NodeRoleV(Some(_))) => "pending...",
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_ => "NO ROLE ASSIGNED",
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};
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healthy_nodes.push(format!(
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"{id:?}\t{h}\t{addr}\t{new_role}",
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"{id:?}\t{h}\t{addr}\t\t\t{new_role}",
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id = adv.id,
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h = adv.status.hostname,
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addr = adv.addr,
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@ -101,55 +135,65 @@ pub async fn cmd_status(rpc_cli: &Endpoint<SystemRpc, ()>, rpc_host: NodeID) ->
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}
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format_table(healthy_nodes);
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let status_keys = status.iter().map(|adv| adv.id).collect::<HashSet<_>>();
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let failure_case_1 = status.iter().any(|adv| {
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!adv.is_up
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&& matches!(
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layout.current().roles.get(&adv.id),
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Some(NodeRoleV(Some(_)))
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)
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});
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let failure_case_2 = layout
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.current()
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.roles
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.items()
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// Determine which nodes are unhealthy and print that to stdout
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let status_map = status
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.iter()
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.any(|(id, _, v)| !status_keys.contains(id) && v.0.is_some());
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if failure_case_1 || failure_case_2 {
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println!("\n==== FAILED NODES ====");
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let mut failed_nodes =
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vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tLast seen".to_string()];
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for adv in status.iter().filter(|adv| !adv.is_up) {
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if let Some(NodeRoleV(Some(cfg))) = layout.current().roles.get(&adv.id) {
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let tf = timeago::Formatter::new();
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failed_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}\t{last_seen}",
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id = adv.id,
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host = adv.status.hostname,
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addr = adv.addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = cfg.capacity_string(),
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last_seen = adv
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.last_seen_secs_ago
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.map(|adv| (adv.id, adv))
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.collect::<HashMap<_, _>>();
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let tf = timeago::Formatter::new();
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let mut failed_nodes =
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vec!["ID\tHostname\tAddress\tTags\tZone\tCapacity\tLast seen".to_string()];
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let mut listed = HashSet::new();
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for ver in layout.versions.iter().rev() {
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for (node, _, role) in ver.roles.items().iter() {
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let cfg = match role {
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NodeRoleV(Some(role)) if role.capacity.is_some() => role,
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_ => continue,
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};
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if listed.contains(node) {
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continue;
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}
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listed.insert(*node);
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let adv = status_map.get(node);
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if adv.map(|x| x.is_up).unwrap_or(false) {
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continue;
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}
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// Node is in a layout version, is not a gateway node, and is not up:
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// it is in a failed state, add proper line to the output
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let (host, addr, last_seen) = match adv {
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Some(adv) => (
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adv.status.hostname.as_str(),
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adv.addr.to_string(),
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adv.last_seen_secs_ago
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.map(|s| tf.convert(Duration::from_secs(s)))
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.unwrap_or_else(|| "never seen".into()),
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));
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}
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}
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for (id, _, role_v) in layout.current().roles.items().iter() {
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if let NodeRoleV(Some(cfg)) = role_v {
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if !status_keys.contains(id) {
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failed_nodes.push(format!(
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"{id:?}\t??\t??\t[{tags}]\t{zone}\t{capacity}\tnever seen",
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id = id,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = cfg.capacity_string(),
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));
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}
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}
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),
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None => ("??", "??".into(), "never seen".into()),
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};
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let capacity = if ver.version == layout.current().version {
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cfg.capacity_string()
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} else {
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"draining metadata...".to_string()
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};
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failed_nodes.push(format!(
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"{id:?}\t{host}\t{addr}\t[{tags}]\t{zone}\t{capacity}\t{last_seen}",
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id = node,
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host = host,
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addr = addr,
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tags = cfg.tags.join(","),
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zone = cfg.zone,
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capacity = capacity,
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last_seen = last_seen,
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));
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}
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}
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if failed_nodes.len() > 1 {
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println!("\n==== FAILED NODES ====");
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format_table(failed_nodes);
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}
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