rrd: rust fmt
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht
parent
41583796b1
commit
aaaa10894d
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@ -3,24 +3,22 @@
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use std::path::PathBuf;
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use anyhow::{bail, Error};
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use serde::{Serialize, Deserialize};
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use serde::{Deserialize, Serialize};
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use serde_json::json;
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use proxmox_router::cli::{
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complete_file_name, run_cli_command, CliCommand, CliCommandMap, CliEnvironment,
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};
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use proxmox_router::RpcEnvironment;
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use proxmox_router::cli::{run_cli_command, complete_file_name, CliCommand, CliCommandMap, CliEnvironment};
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use proxmox_schema::{api, ApiStringFormat, ApiType, IntegerSchema, Schema, StringSchema};
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use proxmox_sys::fs::CreateOptions;
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use proxmox_rrd::rrd::{CF, DST, RRA, RRD};
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pub const RRA_INDEX_SCHEMA: Schema = IntegerSchema::new(
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"Index of the RRA.")
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.minimum(0)
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.schema();
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pub const RRA_INDEX_SCHEMA: Schema = IntegerSchema::new("Index of the RRA.").minimum(0).schema();
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pub const RRA_CONFIG_STRING_SCHEMA: Schema = StringSchema::new(
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"RRA configuration")
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pub const RRA_CONFIG_STRING_SCHEMA: Schema = StringSchema::new("RRA configuration")
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.format(&ApiStringFormat::PropertyString(&RRAConfig::API_SCHEMA))
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.schema();
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@ -49,7 +47,6 @@ pub struct RRAConfig {
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)]
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/// Dump the RRD file in JSON format
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pub fn dump_rrd(path: String) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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serde_json::to_writer_pretty(std::io::stdout(), &rrd)?;
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println!();
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@ -67,14 +64,19 @@ pub fn dump_rrd(path: String) -> Result<(), Error> {
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)]
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/// RRD file information
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pub fn rrd_info(path: String) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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println!("DST: {:?}", rrd.source.dst);
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for (i, rra) in rrd.rra_list.iter().enumerate() {
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// use RRAConfig property string format
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println!("RRA[{}]: {:?},r={},n={}", i, rra.cf, rra.resolution, rra.data.len());
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println!(
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"RRA[{}]: {:?},r={},n={}",
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i,
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rra.cf,
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rra.resolution,
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rra.data.len()
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);
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}
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Ok(())
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@ -97,15 +99,11 @@ pub fn rrd_info(path: String) -> Result<(), Error> {
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},
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)]
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/// Update the RRD database
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pub fn update_rrd(
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path: String,
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time: Option<u64>,
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value: f64,
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) -> Result<(), Error> {
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pub fn update_rrd(path: String, time: Option<u64>, value: f64) -> Result<(), Error> {
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let path = PathBuf::from(path);
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let time = time.map(|v| v as f64)
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let time = time
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.map(|v| v as f64)
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.unwrap_or_else(proxmox_time::epoch_f64);
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let mut rrd = RRD::load(&path, false)?;
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@ -147,7 +145,6 @@ pub fn fetch_rrd(
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start: Option<u64>,
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end: Option<u64>,
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) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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let data = rrd.extract_data(cf, resolution, start, end)?;
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@ -171,18 +168,14 @@ pub fn fetch_rrd(
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)]
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/// Return the Unix timestamp of the first time slot inside the
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/// specified RRA (slot start time)
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pub fn first_update_time(
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path: String,
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rra_index: usize,
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) -> Result<(), Error> {
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pub fn first_update_time(path: String, rra_index: usize) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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if rra_index >= rrd.rra_list.len() {
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bail!("rra-index is out of range");
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}
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let rra = &rrd.rra_list[rra_index];
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let duration = (rra.data.len() as u64)*rra.resolution;
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let duration = (rra.data.len() as u64) * rra.resolution;
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let first = rra.slot_start_time((rrd.source.last_update as u64).saturating_sub(duration));
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println!("{}", first);
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@ -200,7 +193,6 @@ pub fn first_update_time(
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)]
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/// Return the Unix timestamp of the last update
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pub fn last_update_time(path: String) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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println!("{}", rrd.source.last_update);
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@ -218,7 +210,6 @@ pub fn last_update_time(path: String) -> Result<(), Error> {
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)]
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/// Return the time and value from the last update
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pub fn last_update(path: String) -> Result<(), Error> {
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let rrd = RRD::load(&PathBuf::from(path), false)?;
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let result = json!({
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@ -251,18 +242,12 @@ pub fn last_update(path: String) -> Result<(), Error> {
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},
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)]
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/// Create a new RRD file
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pub fn create_rrd(
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dst: DST,
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path: String,
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rra: Vec<String>,
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) -> Result<(), Error> {
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pub fn create_rrd(dst: DST, path: String, rra: Vec<String>) -> Result<(), Error> {
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let mut rra_list = Vec::new();
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for item in rra.iter() {
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let rra: RRAConfig = serde_json::from_value(
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RRAConfig::API_SCHEMA.parse_property_string(item)?
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)?;
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let rra: RRAConfig =
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serde_json::from_value(RRAConfig::API_SCHEMA.parse_property_string(item)?)?;
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println!("GOT {:?}", rra);
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rra_list.push(RRA::new(rra.cf, rra.r, rra.n as usize));
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}
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@ -293,12 +278,7 @@ pub fn create_rrd(
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},
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)]
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/// Resize. Change the number of data slots for the specified RRA.
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pub fn resize_rrd(
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path: String,
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rra_index: usize,
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slots: i64,
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) -> Result<(), Error> {
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pub fn resize_rrd(path: String, rra_index: usize, slots: i64) -> Result<(), Error> {
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let path = PathBuf::from(&path);
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let mut rrd = RRD::load(&path, false)?;
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@ -315,12 +295,12 @@ pub fn resize_rrd(
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bail!("numer of new slots is too small ('{}' < 1)", new_slots);
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}
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if new_slots > 1024*1024 {
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if new_slots > 1024 * 1024 {
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bail!("numer of new slots is too big ('{}' > 1M)", new_slots);
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}
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let rra_end = rra.slot_end_time(rrd.source.last_update as u64);
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let rra_start = rra_end - rra.resolution*(rra.data.len() as u64);
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let rra_start = rra_end - rra.resolution * (rra.data.len() as u64);
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let (start, reso, data) = rra.extract_data(rra_start, rra_end, rrd.source.last_update);
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let mut new_rra = RRA::new(rra.cf, rra.resolution, new_slots as usize);
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@ -336,7 +316,6 @@ pub fn resize_rrd(
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}
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fn main() -> Result<(), Error> {
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let uid = nix::unistd::Uid::current();
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let username = match nix::unistd::User::from_uid(uid)? {
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@ -349,57 +328,56 @@ fn main() -> Result<(), Error> {
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"create",
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CliCommand::new(&API_METHOD_CREATE_RRD)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"dump",
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CliCommand::new(&API_METHOD_DUMP_RRD)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"fetch",
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CliCommand::new(&API_METHOD_FETCH_RRD)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"first",
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CliCommand::new(&API_METHOD_FIRST_UPDATE_TIME)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"info",
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CliCommand::new(&API_METHOD_RRD_INFO)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"last",
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CliCommand::new(&API_METHOD_LAST_UPDATE_TIME)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"lastupdate",
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CliCommand::new(&API_METHOD_LAST_UPDATE)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"resize",
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CliCommand::new(&API_METHOD_RESIZE_RRD)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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.completion_cb("path", complete_file_name),
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)
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.insert(
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"update",
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CliCommand::new(&API_METHOD_UPDATE_RRD)
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.arg_param(&["path"])
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.completion_cb("path", complete_file_name)
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)
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;
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.completion_cb("path", complete_file_name),
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);
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let mut rpcenv = CliEnvironment::new();
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rpcenv.set_auth_id(Some(format!("{}@pam", username)));
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@ -407,5 +385,4 @@ fn main() -> Result<(), Error> {
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run_cli_command(cmd_def, rpcenv, None);
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Ok(())
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}
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@ -1,18 +1,18 @@
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use std::collections::BTreeSet;
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use std::fs::File;
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use std::io::{BufRead, BufReader};
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use std::os::unix::io::AsRawFd;
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use std::path::{Path, PathBuf};
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use std::sync::{Arc, RwLock};
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use std::io::{BufRead, BufReader};
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use std::time::SystemTime;
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use std::thread::spawn;
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use std::os::unix::io::AsRawFd;
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use std::collections::BTreeSet;
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use std::time::SystemTime;
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use anyhow::{bail, format_err, Error};
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use crossbeam_channel::{bounded, TryRecvError};
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use anyhow::{format_err, bail, Error};
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use proxmox_sys::fs::{create_path, CreateOptions};
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use crate::rrd::{DST, CF, RRD, RRA};
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use crate::rrd::{CF, DST, RRA, RRD};
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mod journal;
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use journal::*;
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@ -37,9 +37,7 @@ pub(crate) struct CacheConfig {
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dir_options: CreateOptions,
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}
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impl RRDCache {
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/// Creates a new instance
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///
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/// `basedir`: All files are stored relative to this path.
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@ -66,7 +64,11 @@ impl RRDCache {
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let file_options = file_options.unwrap_or_else(CreateOptions::new);
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let dir_options = dir_options.unwrap_or_else(CreateOptions::new);
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create_path(&basedir, Some(dir_options.clone()), Some(dir_options.clone()))
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create_path(
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&basedir,
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Some(dir_options.clone()),
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Some(dir_options.clone()),
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)
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.map_err(|err: Error| format_err!("unable to create rrdb stat dir - {}", err))?;
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let config = Arc::new(CacheConfig {
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@ -130,7 +132,6 @@ impl RRDCache {
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let state = Arc::clone(&self.state);
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let rrd_map = Arc::clone(&self.rrd_map);
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let mut state_guard = self.state.write().unwrap();
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let journal_applied = state_guard.journal_applied;
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@ -160,7 +161,9 @@ impl RRDCache {
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let now = proxmox_time::epoch_f64();
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let wants_commit = (now - state_guard.last_journal_flush) > self.config.apply_interval;
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if journal_applied && !wants_commit { return Ok(journal_applied); }
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if journal_applied && !wants_commit {
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return Ok(journal_applied);
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}
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state_guard.last_journal_flush = proxmox_time::epoch_f64();
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@ -176,7 +179,6 @@ impl RRDCache {
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Ok(journal_applied)
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}
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/// Update data in RAM and write file back to disk (journal)
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pub fn update_value(
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&self,
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@ -185,14 +187,18 @@ impl RRDCache {
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value: f64,
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dst: DST,
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) -> Result<(), Error> {
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let journal_applied = self.apply_journal()?;
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self.state.write().unwrap()
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self.state
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.write()
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.unwrap()
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.append_journal_entry(time, value, dst, rel_path)?;
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if journal_applied {
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self.rrd_map.write().unwrap().update(rel_path, time, value, dst, false)?;
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self.rrd_map
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.write()
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.unwrap()
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.update(rel_path, time, value, dst, false)?;
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}
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Ok(())
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@ -212,19 +218,19 @@ impl RRDCache {
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start: Option<u64>,
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end: Option<u64>,
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) -> Result<Option<(u64, u64, Vec<Option<f64>>)>, Error> {
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self.rrd_map.read().unwrap()
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self.rrd_map
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.read()
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.unwrap()
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.extract_cached_data(base, name, cf, resolution, start, end)
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}
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}
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fn apply_and_commit_journal_thread(
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config: Arc<CacheConfig>,
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state: Arc<RwLock<JournalState>>,
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rrd_map: Arc<RwLock<RRDMap>>,
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commit_only: bool,
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) -> Result<(), Error> {
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if commit_only {
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state.write().unwrap().rotate_journal()?; // start new journal, keep old one
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} else {
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@ -234,7 +240,11 @@ fn apply_and_commit_journal_thread(
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match apply_journal_impl(Arc::clone(&state), Arc::clone(&rrd_map)) {
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Ok(entries) => {
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let elapsed = start_time.elapsed().unwrap().as_secs_f64();
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log::info!("applied rrd journal ({} entries in {:.3} seconds)", entries, elapsed);
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log::info!(
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"applied rrd journal ({} entries in {:.3} seconds)",
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entries,
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elapsed
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);
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}
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Err(err) => bail!("apply rrd journal failed - {}", err),
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}
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@ -246,8 +256,11 @@ fn apply_and_commit_journal_thread(
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match commit_journal_impl(config, state, rrd_map) {
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Ok(rrd_file_count) => {
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let elapsed = start_time.elapsed().unwrap().as_secs_f64();
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log::info!("rrd journal successfully committed ({} files in {:.3} seconds)",
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rrd_file_count, elapsed);
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log::info!(
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"rrd journal successfully committed ({} files in {:.3} seconds)",
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rrd_file_count,
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elapsed
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);
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}
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Err(err) => bail!("rrd journal commit failed: {}", err),
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}
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@ -261,7 +274,6 @@ fn apply_journal_lines(
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reader: &mut BufReader<File>,
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lock_read_line: bool,
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) -> Result<usize, Error> {
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let mut linenr = 0;
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loop {
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@ -274,20 +286,30 @@ fn apply_journal_lines(
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reader.read_line(&mut line)?
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};
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if len == 0 { break; }
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if len == 0 {
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break;
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}
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let entry: JournalEntry = match line.parse() {
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Ok(entry) => entry,
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Err(err) => {
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log::warn!(
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"unable to parse rrd journal '{}' line {} (skip) - {}",
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journal_name, linenr, err,
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journal_name,
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linenr,
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err,
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);
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continue; // skip unparsable lines
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}
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};
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rrd_map.write().unwrap().update(&entry.rel_path, entry.time, entry.value, entry.dst, true)?;
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rrd_map.write().unwrap().update(
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&entry.rel_path,
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entry.time,
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entry.value,
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entry.dst,
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true,
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)?;
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}
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Ok(linenr)
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}
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|
|
@ -296,7 +318,6 @@ fn apply_journal_impl(
|
|||
state: Arc<RwLock<JournalState>>,
|
||||
rrd_map: Arc<RwLock<RRDMap>>,
|
||||
) -> Result<usize, Error> {
|
||||
|
||||
let mut lines = 0;
|
||||
|
||||
// Apply old journals first
|
||||
|
|
@ -343,7 +364,6 @@ fn apply_journal_impl(
|
|||
state_guard.journal_applied = true;
|
||||
}
|
||||
|
||||
|
||||
Ok(lines)
|
||||
}
|
||||
|
||||
|
|
@ -353,7 +373,7 @@ fn fsync_file_or_dir(path: &Path) -> Result<(), Error> {
|
|||
Ok(())
|
||||
}
|
||||
|
||||
pub(crate)fn fsync_file_and_parent(path: &Path) -> Result<(), Error> {
|
||||
pub(crate) fn fsync_file_and_parent(path: &Path) -> Result<(), Error> {
|
||||
let file = std::fs::File::open(path)?;
|
||||
nix::unistd::fsync(file.as_raw_fd())?;
|
||||
if let Some(parent) = path.parent() {
|
||||
|
|
@ -376,7 +396,6 @@ fn commit_journal_impl(
|
|||
state: Arc<RwLock<JournalState>>,
|
||||
rrd_map: Arc<RwLock<RRDMap>>,
|
||||
) -> Result<usize, Error> {
|
||||
|
||||
let files = rrd_map.read().unwrap().file_list();
|
||||
|
||||
let mut rrd_file_count = 0;
|
||||
|
|
|
|||
|
|
@ -1,21 +1,21 @@
|
|||
use std::fs::File;
|
||||
use std::path::PathBuf;
|
||||
use std::sync::Arc;
|
||||
use std::io::{Write, BufReader};
|
||||
use std::ffi::OsStr;
|
||||
use std::fs::File;
|
||||
use std::io::{BufReader, Write};
|
||||
use std::os::unix::io::AsRawFd;
|
||||
use std::path::PathBuf;
|
||||
use std::str::FromStr;
|
||||
use std::sync::Arc;
|
||||
|
||||
use anyhow::{bail, format_err, Error};
|
||||
use nix::fcntl::OFlag;
|
||||
use crossbeam_channel::Receiver;
|
||||
use nix::fcntl::OFlag;
|
||||
|
||||
use proxmox_sys::fs::atomic_open_or_create_file;
|
||||
|
||||
const RRD_JOURNAL_NAME: &str = "rrd.journal";
|
||||
|
||||
use crate::rrd::DST;
|
||||
use crate::cache::CacheConfig;
|
||||
use crate::rrd::DST;
|
||||
|
||||
// shared state behind RwLock
|
||||
pub struct JournalState {
|
||||
|
|
@ -37,7 +37,6 @@ impl FromStr for JournalEntry {
|
|||
type Err = Error;
|
||||
|
||||
fn from_str(line: &str) -> Result<Self, Self::Err> {
|
||||
|
||||
let line = line.trim();
|
||||
|
||||
let parts: Vec<&str> = line.splitn(4, ':').collect();
|
||||
|
|
@ -45,11 +44,14 @@ impl FromStr for JournalEntry {
|
|||
bail!("wrong numper of components");
|
||||
}
|
||||
|
||||
let time: f64 = parts[0].parse()
|
||||
let time: f64 = parts[0]
|
||||
.parse()
|
||||
.map_err(|_| format_err!("unable to parse time"))?;
|
||||
let value: f64 = parts[1].parse()
|
||||
let value: f64 = parts[1]
|
||||
.parse()
|
||||
.map_err(|_| format_err!("unable to parse value"))?;
|
||||
let dst: u8 = parts[2].parse()
|
||||
let dst: u8 = parts[2]
|
||||
.parse()
|
||||
.map_err(|_| format_err!("unable to parse data source type"))?;
|
||||
|
||||
let dst = match dst {
|
||||
|
|
@ -60,7 +62,12 @@ impl FromStr for JournalEntry {
|
|||
|
||||
let rel_path = parts[3].to_string();
|
||||
|
||||
Ok(JournalEntry { time, value, dst, rel_path })
|
||||
Ok(JournalEntry {
|
||||
time,
|
||||
value,
|
||||
dst,
|
||||
rel_path,
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -71,7 +78,6 @@ pub struct JournalFileInfo {
|
|||
}
|
||||
|
||||
impl JournalState {
|
||||
|
||||
pub(crate) fn new(config: Arc<CacheConfig>) -> Result<Self, Error> {
|
||||
let journal = JournalState::open_journal_writer(&config)?;
|
||||
Ok(Self {
|
||||
|
|
@ -95,19 +101,17 @@ impl JournalState {
|
|||
dst: DST,
|
||||
rel_path: &str,
|
||||
) -> Result<(), Error> {
|
||||
let journal_entry = format!(
|
||||
"{}:{}:{}:{}\n", time, value, dst as u8, rel_path);
|
||||
let journal_entry = format!("{}:{}:{}:{}\n", time, value, dst as u8, rel_path);
|
||||
self.journal.write_all(journal_entry.as_bytes())?;
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn open_journal_reader(&self) -> Result<BufReader<File>, Error> {
|
||||
|
||||
// fixme : dup self.journal instead??
|
||||
let mut journal_path = self.config.basedir.clone();
|
||||
journal_path.push(RRD_JOURNAL_NAME);
|
||||
|
||||
let flags = OFlag::O_CLOEXEC|OFlag::O_RDONLY;
|
||||
let flags = OFlag::O_CLOEXEC | OFlag::O_RDONLY;
|
||||
let journal = atomic_open_or_create_file(
|
||||
&journal_path,
|
||||
flags,
|
||||
|
|
@ -122,7 +126,7 @@ impl JournalState {
|
|||
let mut journal_path = config.basedir.clone();
|
||||
journal_path.push(RRD_JOURNAL_NAME);
|
||||
|
||||
let flags = OFlag::O_CLOEXEC|OFlag::O_WRONLY|OFlag::O_APPEND;
|
||||
let flags = OFlag::O_CLOEXEC | OFlag::O_WRONLY | OFlag::O_APPEND;
|
||||
let journal = atomic_open_or_create_file(
|
||||
&journal_path,
|
||||
flags,
|
||||
|
|
@ -151,7 +155,6 @@ impl JournalState {
|
|||
}
|
||||
|
||||
pub fn remove_old_journals(&self) -> Result<(), Error> {
|
||||
|
||||
let journal_list = self.list_old_journals()?;
|
||||
|
||||
for entry in journal_list {
|
||||
|
|
@ -167,7 +170,9 @@ impl JournalState {
|
|||
let entry = entry?;
|
||||
let path = entry.path();
|
||||
|
||||
if !path.is_file() { continue; }
|
||||
if !path.is_file() {
|
||||
continue;
|
||||
}
|
||||
|
||||
match path.file_stem() {
|
||||
None => continue,
|
||||
|
|
|
|||
|
|
@ -1,6 +1,6 @@
|
|||
use std::collections::HashMap;
|
||||
use std::path::Path;
|
||||
use std::sync::Arc;
|
||||
use std::collections::HashMap;
|
||||
|
||||
use anyhow::{bail, Error};
|
||||
|
||||
|
|
@ -17,7 +17,6 @@ pub struct RRDMap {
|
|||
}
|
||||
|
||||
impl RRDMap {
|
||||
|
||||
pub(crate) fn new(
|
||||
config: Arc<CacheConfig>,
|
||||
load_rrd_cb: fn(path: &Path, rel_path: &str, dst: DST) -> RRD,
|
||||
|
|
|
|||
|
|
@ -11,15 +11,15 @@
|
|||
//! * Plattform independent (big endian f64, hopefully a standard format?)
|
||||
//! * Arbitrary number of RRAs (dynamically changeable)
|
||||
|
||||
use std::path::Path;
|
||||
use std::io::{Read, Write};
|
||||
use std::os::unix::io::{AsRawFd, FromRawFd, IntoRawFd};
|
||||
use std::path::Path;
|
||||
|
||||
use anyhow::{bail, format_err, Error};
|
||||
use serde::{Serialize, Deserialize};
|
||||
use serde::{Deserialize, Serialize};
|
||||
|
||||
use proxmox_sys::fs::{make_tmp_file, CreateOptions};
|
||||
use proxmox_schema::api;
|
||||
use proxmox_sys::fs::{make_tmp_file, CreateOptions};
|
||||
|
||||
use crate::rrd_v1;
|
||||
|
||||
|
|
@ -69,7 +69,6 @@ pub struct DataSource {
|
|||
}
|
||||
|
||||
impl DataSource {
|
||||
|
||||
/// Create a new Instance
|
||||
pub fn new(dst: DST) -> Self {
|
||||
Self {
|
||||
|
|
@ -111,15 +110,13 @@ impl DataSource {
|
|||
value - self.last_value
|
||||
};
|
||||
self.last_value = value;
|
||||
value = diff/time_diff;
|
||||
value = diff / time_diff;
|
||||
} else {
|
||||
self.last_value = value;
|
||||
}
|
||||
|
||||
Ok(value)
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
#[derive(Serialize, Deserialize)]
|
||||
|
|
@ -136,7 +133,6 @@ pub struct RRA {
|
|||
}
|
||||
|
||||
impl RRA {
|
||||
|
||||
/// Creates a new instance
|
||||
pub fn new(cf: CF, resolution: u64, points: usize) -> Self {
|
||||
Self {
|
||||
|
|
@ -181,7 +177,10 @@ impl RRA {
|
|||
if let Some(v) = item {
|
||||
self.data[index] = v;
|
||||
}
|
||||
index += 1; if index >= self.data.len() { index = 0; }
|
||||
index += 1;
|
||||
if index >= self.data.len() {
|
||||
index = 0;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
|
@ -192,15 +191,18 @@ impl RRA {
|
|||
let reso = self.resolution;
|
||||
let num_entries = self.data.len() as u64;
|
||||
|
||||
let min_time = epoch.saturating_sub(num_entries*reso);
|
||||
let min_time = epoch.saturating_sub(num_entries * reso);
|
||||
let min_time = self.slot_end_time(min_time);
|
||||
|
||||
let mut t = last_update.saturating_sub(num_entries*reso);
|
||||
let mut t = last_update.saturating_sub(num_entries * reso);
|
||||
let mut index = self.slot(t);
|
||||
|
||||
for _ in 0..num_entries {
|
||||
t += reso;
|
||||
index += 1; if index >= self.data.len() { index = 0; }
|
||||
index += 1;
|
||||
if index >= self.data.len() {
|
||||
index = 0;
|
||||
}
|
||||
if t < min_time {
|
||||
self.data[index] = f64::NAN;
|
||||
} else {
|
||||
|
|
@ -233,12 +235,24 @@ impl RRA {
|
|||
self.last_count = 1;
|
||||
} else {
|
||||
let new_value = match self.cf {
|
||||
CF::Maximum => if last_value > value { last_value } else { value },
|
||||
CF::Minimum => if last_value < value { last_value } else { value },
|
||||
CF::Maximum => {
|
||||
if last_value > value {
|
||||
last_value
|
||||
} else {
|
||||
value
|
||||
}
|
||||
}
|
||||
CF::Minimum => {
|
||||
if last_value < value {
|
||||
last_value
|
||||
} else {
|
||||
value
|
||||
}
|
||||
}
|
||||
CF::Last => value,
|
||||
CF::Average => {
|
||||
(last_value*(self.last_count as f64))/(new_count as f64)
|
||||
+ value/(new_count as f64)
|
||||
(last_value * (self.last_count as f64)) / (new_count as f64)
|
||||
+ value / (new_count as f64)
|
||||
}
|
||||
};
|
||||
self.data[index] = new_value;
|
||||
|
|
@ -264,12 +278,14 @@ impl RRA {
|
|||
let mut list = Vec::new();
|
||||
|
||||
let rrd_end = self.slot_end_time(last_update);
|
||||
let rrd_start = rrd_end.saturating_sub(reso*num_entries);
|
||||
let rrd_start = rrd_end.saturating_sub(reso * num_entries);
|
||||
|
||||
let mut t = start;
|
||||
let mut index = self.slot(t);
|
||||
for _ in 0..num_entries {
|
||||
if t > end { break; };
|
||||
if t > end {
|
||||
break;
|
||||
};
|
||||
if t < rrd_start || t >= rrd_end {
|
||||
list.push(None);
|
||||
} else {
|
||||
|
|
@ -281,7 +297,10 @@ impl RRA {
|
|||
}
|
||||
}
|
||||
t += reso;
|
||||
index += 1; if index >= self.data.len() { index = 0; }
|
||||
index += 1;
|
||||
if index >= self.data.len() {
|
||||
index = 0;
|
||||
}
|
||||
}
|
||||
|
||||
(start, reso, list)
|
||||
|
|
@ -298,17 +317,11 @@ pub struct RRD {
|
|||
}
|
||||
|
||||
impl RRD {
|
||||
|
||||
/// Creates a new Instance
|
||||
pub fn new(dst: DST, rra_list: Vec<RRA>) -> RRD {
|
||||
|
||||
let source = DataSource::new(dst);
|
||||
|
||||
RRD {
|
||||
source,
|
||||
rra_list,
|
||||
}
|
||||
|
||||
RRD { source, rra_list }
|
||||
}
|
||||
|
||||
fn from_raw(raw: &[u8]) -> Result<Self, Error> {
|
||||
|
|
@ -340,7 +353,6 @@ impl RRD {
|
|||
/// `fadvise(..,POSIX_FADV_DONTNEED)` to avoid keeping the data in
|
||||
/// the linux page cache.
|
||||
pub fn load(path: &Path, avoid_page_cache: bool) -> Result<Self, std::io::Error> {
|
||||
|
||||
let mut file = std::fs::File::open(path)?;
|
||||
let buffer_size = file.metadata().map(|m| m.len() as usize + 1).unwrap_or(0);
|
||||
let mut raw = Vec::with_capacity(buffer_size);
|
||||
|
|
@ -352,12 +364,16 @@ impl RRD {
|
|||
0,
|
||||
buffer_size as i64,
|
||||
nix::fcntl::PosixFadviseAdvice::POSIX_FADV_DONTNEED,
|
||||
).map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err.to_string()))?;
|
||||
)
|
||||
.map_err(|err| std::io::Error::new(std::io::ErrorKind::Other, err.to_string()))?;
|
||||
}
|
||||
|
||||
match Self::from_raw(&raw) {
|
||||
Ok(rrd) => Ok(rrd),
|
||||
Err(err) => Err(std::io::Error::new(std::io::ErrorKind::Other, err.to_string())),
|
||||
Err(err) => Err(std::io::Error::new(
|
||||
std::io::ErrorKind::Other,
|
||||
err.to_string(),
|
||||
)),
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -372,7 +388,6 @@ impl RRD {
|
|||
options: CreateOptions,
|
||||
avoid_page_cache: bool,
|
||||
) -> Result<(), Error> {
|
||||
|
||||
let (fd, tmp_path) = make_tmp_file(&path, options)?;
|
||||
let mut file = unsafe { std::fs::File::from_raw_fd(fd.into_raw_fd()) };
|
||||
|
||||
|
|
@ -419,7 +434,6 @@ impl RRD {
|
|||
///
|
||||
/// Note: This does not call [Self::save].
|
||||
pub fn update(&mut self, time: f64, value: f64) {
|
||||
|
||||
let value = match self.source.compute_new_value(time, value) {
|
||||
Ok(value) => value,
|
||||
Err(err) => {
|
||||
|
|
@ -451,11 +465,14 @@ impl RRD {
|
|||
start: Option<u64>,
|
||||
end: Option<u64>,
|
||||
) -> Result<(u64, u64, Vec<Option<f64>>), Error> {
|
||||
|
||||
let mut rra: Option<&RRA> = None;
|
||||
for item in self.rra_list.iter() {
|
||||
if item.cf != cf { continue; }
|
||||
if item.resolution > resolution { continue; }
|
||||
if item.cf != cf {
|
||||
continue;
|
||||
}
|
||||
if item.resolution > resolution {
|
||||
continue;
|
||||
}
|
||||
|
||||
if let Some(current) = rra {
|
||||
if item.resolution > current.resolution {
|
||||
|
|
@ -469,16 +486,14 @@ impl RRD {
|
|||
match rra {
|
||||
Some(rra) => {
|
||||
let end = end.unwrap_or_else(|| proxmox_time::epoch_f64() as u64);
|
||||
let start = start.unwrap_or_else(|| end.saturating_sub(10*rra.resolution));
|
||||
let start = start.unwrap_or_else(|| end.saturating_sub(10 * rra.resolution));
|
||||
Ok(rra.extract_data(start, end, self.source.last_update))
|
||||
}
|
||||
None => bail!("unable to find RRA suitable ({:?}:{})", cf, resolution),
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use super::*;
|
||||
|
|
@ -489,10 +504,10 @@ mod tests {
|
|||
let mut rrd = RRD::new(DST::Gauge, vec![rra]);
|
||||
|
||||
for i in 2..10 {
|
||||
rrd.update((i as f64)*30.0, i as f64);
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
}
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Maximum, 60, Some(0), Some(5*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Maximum, 60, Some(0), Some(5 * 60))?;
|
||||
assert_eq!(start, 0);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [None, Some(3.0), Some(5.0), Some(7.0), Some(9.0)]);
|
||||
|
|
@ -506,10 +521,10 @@ mod tests {
|
|||
let mut rrd = RRD::new(DST::Gauge, vec![rra]);
|
||||
|
||||
for i in 2..10 {
|
||||
rrd.update((i as f64)*30.0, i as f64);
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
}
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Minimum, 60, Some(0), Some(5*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Minimum, 60, Some(0), Some(5 * 60))?;
|
||||
assert_eq!(start, 0);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [None, Some(2.0), Some(4.0), Some(6.0), Some(8.0)]);
|
||||
|
|
@ -523,12 +538,16 @@ mod tests {
|
|||
let mut rrd = RRD::new(DST::Gauge, vec![rra]);
|
||||
|
||||
for i in 2..10 {
|
||||
rrd.update((i as f64)*30.0, i as f64);
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
}
|
||||
|
||||
assert!(rrd.extract_data(CF::Average, 60, Some(0), Some(5*60)).is_err(), "CF::Average should not exist");
|
||||
assert!(
|
||||
rrd.extract_data(CF::Average, 60, Some(0), Some(5 * 60))
|
||||
.is_err(),
|
||||
"CF::Average should not exist"
|
||||
);
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Last, 60, Some(0), Some(20*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Last, 60, Some(0), Some(20 * 60))?;
|
||||
assert_eq!(start, 0);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [None, Some(3.0), Some(5.0), Some(7.0), Some(9.0)]);
|
||||
|
|
@ -542,10 +561,10 @@ mod tests {
|
|||
let mut rrd = RRD::new(DST::Derive, vec![rra]);
|
||||
|
||||
for i in 2..10 {
|
||||
rrd.update((i as f64)*30.0, (i*60) as f64);
|
||||
rrd.update((i as f64) * 30.0, (i * 60) as f64);
|
||||
}
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5 * 60))?;
|
||||
assert_eq!(start, 60);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [Some(1.0), Some(2.0), Some(2.0), Some(2.0), None]);
|
||||
|
|
@ -559,40 +578,42 @@ mod tests {
|
|||
let mut rrd = RRD::new(DST::Gauge, vec![rra]);
|
||||
|
||||
for i in 2..10 {
|
||||
rrd.update((i as f64)*30.0, i as f64);
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
}
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5 * 60))?;
|
||||
assert_eq!(start, 60);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [Some(2.5), Some(4.5), Some(6.5), Some(8.5), None]);
|
||||
|
||||
for i in 10..14 {
|
||||
rrd.update((i as f64)*30.0, i as f64);
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
}
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5*60))?;
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(60), Some(5 * 60))?;
|
||||
assert_eq!(start, 60);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [None, Some(4.5), Some(6.5), Some(8.5), Some(10.5)]);
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(3*60), Some(8*60))?;
|
||||
assert_eq!(start, 3*60);
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(3 * 60), Some(8 * 60))?;
|
||||
assert_eq!(start, 3 * 60);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [Some(6.5), Some(8.5), Some(10.5), Some(12.5), None]);
|
||||
|
||||
// add much newer vaule (should delete all previous/outdated value)
|
||||
let i = 100; rrd.update((i as f64)*30.0, i as f64);
|
||||
let i = 100;
|
||||
rrd.update((i as f64) * 30.0, i as f64);
|
||||
println!("TEST {:?}", serde_json::to_string_pretty(&rrd));
|
||||
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(100*30), Some(100*30 + 5*60))?;
|
||||
assert_eq!(start, 100*30);
|
||||
let (start, reso, data) =
|
||||
rrd.extract_data(CF::Average, 60, Some(100 * 30), Some(100 * 30 + 5 * 60))?;
|
||||
assert_eq!(start, 100 * 30);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, [Some(100.0), None, None, None, None]);
|
||||
|
||||
// extract with end time smaller than start time
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(100*30), Some(60))?;
|
||||
assert_eq!(start, 100*30);
|
||||
let (start, reso, data) = rrd.extract_data(CF::Average, 60, Some(100 * 30), Some(60))?;
|
||||
assert_eq!(start, 100 * 30);
|
||||
assert_eq!(reso, 60);
|
||||
assert_eq!(data, []);
|
||||
|
||||
|
|
|
|||
|
|
@ -10,9 +10,9 @@ pub const RRD_DATA_ENTRIES: usize = 70;
|
|||
// openssl::sha::sha256(b"Proxmox Round Robin Database file v1.0")[0..8];
|
||||
pub const PROXMOX_RRD_MAGIC_1_0: [u8; 8] = [206, 46, 26, 212, 172, 158, 5, 186];
|
||||
|
||||
use crate::rrd::{RRD, RRA, CF, DST, DataSource};
|
||||
use crate::rrd::{DataSource, CF, DST, RRA, RRD};
|
||||
|
||||
bitflags!{
|
||||
bitflags! {
|
||||
/// Flags to specify the data soure type and consolidation function
|
||||
pub struct RRAFlags: u64 {
|
||||
// Data Source Types
|
||||
|
|
@ -49,19 +49,16 @@ pub struct RRAv1 {
|
|||
}
|
||||
|
||||
impl RRAv1 {
|
||||
|
||||
fn extract_data(
|
||||
&self,
|
||||
) -> (u64, u64, Vec<Option<f64>>) {
|
||||
fn extract_data(&self) -> (u64, u64, Vec<Option<f64>>) {
|
||||
let reso = self.resolution;
|
||||
|
||||
let mut list = Vec::new();
|
||||
|
||||
let rra_end = reso*((self.last_update as u64)/reso);
|
||||
let rra_start = rra_end - reso*(RRD_DATA_ENTRIES as u64);
|
||||
let rra_end = reso * ((self.last_update as u64) / reso);
|
||||
let rra_start = rra_end - reso * (RRD_DATA_ENTRIES as u64);
|
||||
|
||||
let mut t = rra_start;
|
||||
let mut index = ((t/reso) % (RRD_DATA_ENTRIES as u64)) as usize;
|
||||
let mut index = ((t / reso) % (RRD_DATA_ENTRIES as u64)) as usize;
|
||||
for _ in 0..RRD_DATA_ENTRIES {
|
||||
let value = self.data[index];
|
||||
if value.is_nan() {
|
||||
|
|
@ -70,7 +67,8 @@ impl RRAv1 {
|
|||
list.push(Some(value));
|
||||
}
|
||||
|
||||
t += reso; index = (index + 1) % RRD_DATA_ENTRIES;
|
||||
t += reso;
|
||||
index = (index + 1) % RRD_DATA_ENTRIES;
|
||||
}
|
||||
|
||||
(rra_start, reso, list)
|
||||
|
|
@ -106,9 +104,7 @@ pub struct RRDv1 {
|
|||
}
|
||||
|
||||
impl RRDv1 {
|
||||
|
||||
pub fn from_raw(mut raw: &[u8]) -> Result<Self, std::io::Error> {
|
||||
|
||||
let expected_len = std::mem::size_of::<RRDv1>();
|
||||
|
||||
if raw.len() != expected_len {
|
||||
|
|
@ -118,7 +114,8 @@ impl RRDv1 {
|
|||
|
||||
let mut rrd: RRDv1 = unsafe { std::mem::zeroed() };
|
||||
unsafe {
|
||||
let rrd_slice = std::slice::from_raw_parts_mut(&mut rrd as *mut _ as *mut u8, expected_len);
|
||||
let rrd_slice =
|
||||
std::slice::from_raw_parts_mut(&mut rrd as *mut _ as *mut u8, expected_len);
|
||||
raw.read_exact(rrd_slice)?;
|
||||
}
|
||||
|
||||
|
|
@ -131,7 +128,6 @@ impl RRDv1 {
|
|||
}
|
||||
|
||||
pub fn to_rrd_v2(&self) -> Result<RRD, Error> {
|
||||
|
||||
let mut rra_list = Vec::new();
|
||||
|
||||
// old format v1:
|
||||
|
|
@ -150,30 +146,36 @@ impl RRDv1 {
|
|||
// decade 1 week, 570 points
|
||||
|
||||
// Linear extrapolation
|
||||
fn extrapolate_data(start: u64, reso: u64, factor: u64, data: Vec<Option<f64>>) -> (u64, u64, Vec<Option<f64>>) {
|
||||
|
||||
fn extrapolate_data(
|
||||
start: u64,
|
||||
reso: u64,
|
||||
factor: u64,
|
||||
data: Vec<Option<f64>>,
|
||||
) -> (u64, u64, Vec<Option<f64>>) {
|
||||
let mut new = Vec::new();
|
||||
|
||||
for i in 0..data.len() {
|
||||
let mut next = i + 1;
|
||||
if next >= data.len() { next = 0 };
|
||||
if next >= data.len() {
|
||||
next = 0
|
||||
};
|
||||
let v = data[i];
|
||||
let v1 = data[next];
|
||||
match (v, v1) {
|
||||
(Some(v), Some(v1)) => {
|
||||
let diff = (v1 - v)/(factor as f64);
|
||||
let diff = (v1 - v) / (factor as f64);
|
||||
for j in 0..factor {
|
||||
new.push(Some(v + diff*(j as f64)));
|
||||
new.push(Some(v + diff * (j as f64)));
|
||||
}
|
||||
}
|
||||
(Some(v), None) => {
|
||||
new.push(Some(v));
|
||||
for _ in 0..factor-1 {
|
||||
for _ in 0..factor - 1 {
|
||||
new.push(None);
|
||||
}
|
||||
}
|
||||
(None, Some(v1)) => {
|
||||
for _ in 0..factor-1 {
|
||||
for _ in 0..factor - 1 {
|
||||
new.push(None);
|
||||
}
|
||||
new.push(Some(v1));
|
||||
|
|
@ -186,7 +188,7 @@ impl RRDv1 {
|
|||
}
|
||||
}
|
||||
|
||||
(start, reso/factor, new)
|
||||
(start, reso / factor, new)
|
||||
}
|
||||
|
||||
// Try to convert to new, higher capacity format
|
||||
|
|
@ -213,7 +215,7 @@ impl RRDv1 {
|
|||
|
||||
// compute montly average (merge old self.month_avg,
|
||||
// self.week_avg and self.day_avg)
|
||||
let mut month_avg = RRA::new(CF::Average, 30*60, 1440);
|
||||
let mut month_avg = RRA::new(CF::Average, 30 * 60, 1440);
|
||||
|
||||
let (start, reso, data) = self.month_avg.extract_data();
|
||||
let (start, reso, data) = extrapolate_data(start, reso, 24, data);
|
||||
|
|
@ -228,7 +230,7 @@ impl RRDv1 {
|
|||
|
||||
// compute montly maximum (merge old self.month_max,
|
||||
// self.week_max and self.day_max)
|
||||
let mut month_max = RRA::new(CF::Maximum, 30*60, 1440);
|
||||
let mut month_max = RRA::new(CF::Maximum, 30 * 60, 1440);
|
||||
|
||||
let (start, reso, data) = self.month_max.extract_data();
|
||||
let (start, reso, data) = extrapolate_data(start, reso, 24, data);
|
||||
|
|
@ -242,26 +244,26 @@ impl RRDv1 {
|
|||
month_max.insert_data(start, reso, data)?;
|
||||
|
||||
// compute yearly average (merge old self.year_avg)
|
||||
let mut year_avg = RRA::new(CF::Average, 6*3600, 1440);
|
||||
let mut year_avg = RRA::new(CF::Average, 6 * 3600, 1440);
|
||||
|
||||
let (start, reso, data) = self.year_avg.extract_data();
|
||||
let (start, reso, data) = extrapolate_data(start, reso, 28, data);
|
||||
year_avg.insert_data(start, reso, data)?;
|
||||
|
||||
// compute yearly maximum (merge old self.year_avg)
|
||||
let mut year_max = RRA::new(CF::Maximum, 6*3600, 1440);
|
||||
let mut year_max = RRA::new(CF::Maximum, 6 * 3600, 1440);
|
||||
|
||||
let (start, reso, data) = self.year_max.extract_data();
|
||||
let (start, reso, data) = extrapolate_data(start, reso, 28, data);
|
||||
year_max.insert_data(start, reso, data)?;
|
||||
|
||||
// compute decade average (merge old self.year_avg)
|
||||
let mut decade_avg = RRA::new(CF::Average, 7*86400, 570);
|
||||
let mut decade_avg = RRA::new(CF::Average, 7 * 86400, 570);
|
||||
let (start, reso, data) = self.year_avg.extract_data();
|
||||
decade_avg.insert_data(start, reso, data)?;
|
||||
|
||||
// compute decade maximum (merge old self.year_max)
|
||||
let mut decade_max = RRA::new(CF::Maximum, 7*86400, 570);
|
||||
let mut decade_max = RRA::new(CF::Maximum, 7 * 86400, 570);
|
||||
let (start, reso, data) = self.year_max.extract_data();
|
||||
decade_max.insert_data(start, reso, data)?;
|
||||
|
||||
|
|
@ -288,9 +290,6 @@ impl RRDv1 {
|
|||
last_value: f64::NAN,
|
||||
last_update: self.hour_avg.last_update, // IMPORTANT!
|
||||
};
|
||||
Ok(RRD {
|
||||
source,
|
||||
rra_list,
|
||||
})
|
||||
Ok(RRD { source, rra_list })
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -7,7 +7,6 @@ use proxmox_rrd::rrd::RRD;
|
|||
use proxmox_sys::fs::CreateOptions;
|
||||
|
||||
fn compare_file(fn1: &str, fn2: &str) -> Result<(), Error> {
|
||||
|
||||
let status = Command::new("/usr/bin/cmp")
|
||||
.arg(fn1)
|
||||
.arg(fn2)
|
||||
|
|
@ -27,7 +26,6 @@ const RRD_V2_FN: &str = "./tests/testdata/cpu.rrd_v2";
|
|||
// make sure we can load and convert RRD v1
|
||||
#[test]
|
||||
fn upgrade_from_rrd_v1() -> Result<(), Error> {
|
||||
|
||||
let rrd = RRD::load(Path::new(RRD_V1_FN), true)?;
|
||||
|
||||
const RRD_V2_NEW_FN: &str = "./tests/testdata/cpu.rrd_v2.upgraded";
|
||||
|
|
@ -44,7 +42,6 @@ fn upgrade_from_rrd_v1() -> Result<(), Error> {
|
|||
// make sure we can load and save RRD v2
|
||||
#[test]
|
||||
fn load_and_save_rrd_v2() -> Result<(), Error> {
|
||||
|
||||
let rrd = RRD::load(Path::new(RRD_V2_FN), true)?;
|
||||
|
||||
const RRD_V2_NEW_FN: &str = "./tests/testdata/cpu.rrd_v2.saved";
|
||||
|
|
|
|||
Loading…
Reference in New Issue