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This commit is contained in:
Nikolai Rodionov 2023-01-15 20:39:00 +01:00
commit fc346d45f1
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"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
]
[[package]]
name = "windows_aarch64_gnullvm"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "41d2aa71f6f0cbe00ae5167d90ef3cfe66527d6f613ca78ac8024c3ccab9a19e"
[[package]]
name = "windows_aarch64_msvc"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "dd0f252f5a35cac83d6311b2e795981f5ee6e67eb1f9a7f64eb4500fbc4dcdb4"
[[package]]
name = "windows_i686_gnu"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fbeae19f6716841636c28d695375df17562ca208b2b7d0dc47635a50ae6c5de7"
[[package]]
name = "windows_i686_msvc"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "84c12f65daa39dd2babe6e442988fc329d6243fdce47d7d2d155b8d874862246"
[[package]]
name = "windows_x86_64_gnu"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bf7b1b21b5362cbc318f686150e5bcea75ecedc74dd157d874d754a2ca44b0ed"
[[package]]
name = "windows_x86_64_gnullvm"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "09d525d2ba30eeb3297665bd434a54297e4170c7f1a44cad4ef58095b4cd2028"
[[package]]
name = "windows_x86_64_msvc"
version = "0.42.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"

18
Cargo.toml Normal file
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[package]
name = "cdh"
authors = ["allanger <allanger@zohomail.com>"]
version = "0.1.0"
description = "Your helm releases are outdated, aren't they? Now you can check"
edition = "2021"
[dependencies]
serde = { version = "1.0.126", features = ["derive"] }
serde_json = "1.0.64"
log = "0.4.17"
env_logger = "0.10.0"
version-compare = "0.1.0"
clap = { version = "4.1.1", features = ["derive", "env"] }
serde_yaml = "0.9.16"
tabled = "0.10.0"
build_html = "2.1.0"
handlebars = "4.3.1"

2
README.md Normal file
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# Check Da Helm
> Your helm releases are outdated, aren't they? Now you can check!

14
examples/helmfile.yaml Normal file
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repositories:
- name: keel
url: https://charts.keel.sh
releases:
# -----------------------------
# -- Keel
# -----------------------------
- name: keel
installed: true
namespace: keel-system
createNamespace: true
chart: keel/keel
version: 0.9.11

115
src/connectors/argo.rs Normal file
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use clap::Arg;
use log::{debug, info, error};
use serde_json::from_str;
use crate::types::{self, HelmRepo};
use super::Connector;
use std::{borrow::Borrow, io::{Result, Error, ErrorKind}, process::Command};
pub(crate) struct Argo;
impl Connector for Argo {
type ConnectorType = Argo;
fn get_app(&self) -> Result<Vec<types::HelmChart>> {
let cmd: String = "argocd app list -o json | jq '[.[] | {chart: .spec.source.chart, version: .spec.source.targetRevision}]'".to_string();
debug!("executing '${}'", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("argo is failed");
let helm_stdout = String::from_utf8_lossy(&output.stdout);
match from_str::<Vec<types::HelmChart>>(Borrow::borrow(&helm_stdout)) {
Ok(mut charts) => {
charts.dedup();
Ok(charts)
}
Err(err) => Err(err.into()),
}
}
fn sync_repos(&self) -> Result<()> {
info!("syncing helm repos");
let cmd: String = "argocd app list -o json | jq '[ .[] | {name: .spec.source.chart, url: .spec.source.repoURL} ]'".to_string();
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile is failed");
info!("{:?}", output.clone());
if output.status.success() {
let repos: Vec<HelmRepo> = serde_json::from_slice(&output.stdout).unwrap();
info!("adding repositories");
for repo in repos.iter() {
let name = repo.name.clone();
if name.is_some() {
info!(
"syncing {} with the origin {}",
name.clone().unwrap(),
repo.url
);
let cmd = format!(
"helm repo add {} {}",
name.clone().unwrap(),
repo.url.clone()
);
debug!("running {}", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helm repo sync is failed");
match output.status.success() {
true => {
info!(
"{} with the origin {} is synced successfully",
name.unwrap(),
repo.url
);
}
false => {
error!(
"{} with the origin {} can't be synced",
name.unwrap(),
repo.url
)
}
}
}
}
let cmd = "helm repo update";
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helm repo sync is failed");
match output.status.success() {
true => {
info!("repositories are updated successfully");
}
false => {
error!(
"repositories can't be updated, {}",
String::from_utf8_lossy(&output.stderr)
);
}
}
Ok(())
} else {
Err(Error::new(
ErrorKind::Other,
String::from_utf8_lossy(&output.stderr),
))
}
}
}
impl Argo{
pub(crate) fn init() -> Argo {
Argo
}
}

23
src/connectors/helm.rs Normal file
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use crate::types;
use super::Connector;
use std::io::Result;
pub(crate) struct Helm;
impl Connector for Helm {
fn get_app(&self) -> Result<Vec<types::HelmChart>> {
todo!()
}
fn sync_repos(&self) -> Result<()> {
todo!()
}
type ConnectorType = Helm;
}
impl Helm {
pub(crate) fn init() -> Helm {
Helm
}
}

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use log::debug;
use serde_json::from_str;
use crate::types;
use super::Connector;
use std::{borrow::Borrow, fmt::format, io::Result, process::Command};
pub(crate) struct Helmfile {
path: String,
}
impl Connector for Helmfile {
fn get_app(&self) -> Result<Vec<types::HelmChart>> {
let cmd: String = format!(
"helmfile -f {} list --output json | jq '[.[] | {{chart: .name, version: .version}}]'",
self.path
)
.to_string();
debug!("executing '${}'", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile list is failed");
let helm_stdout = String::from_utf8_lossy(&output.stdout);
match from_str::<Vec<types::HelmChart>>(Borrow::borrow(&helm_stdout)) {
Ok(mut charts) => {
charts.dedup();
Ok(charts)
}
Err(err) => Err(err.into()),
}
}
fn sync_repos(&self) -> Result<()> {
let cmd: String = format!("helmfile -f {} sync", self.path);
Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile sync is failed");
Ok(())
}
type ConnectorType = Helmfile;
}
impl Helmfile {
pub(crate) fn init(path: String) -> Self {
Self { path: path }
}
}

16
src/connectors/mod.rs Normal file
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mod argo;
mod helm;
mod helmfile;
use std::io::Result;
use crate::types;
pub (crate) use self::argo::Argo;
pub (crate) use self::helm::Helm;
pub (crate) use self::helmfile::Helmfile;
pub(crate) trait Connector {
type ConnectorType;
fn get_app(&self) -> Result<Vec<types::HelmChart>>;
fn sync_repos(&self) -> Result<()>;
}

381
src/main.rs Normal file
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mod connectors;
mod types;
use clap::{Parser, ValueEnum};
use connectors::{Argo, Connector, Helm, Helmfile};
use handlebars::Handlebars;
use log::{debug, error, info, warn};
use serde::{Deserialize, Serialize};
use serde_json::from_str;
use std::{
borrow::Borrow,
fmt::{self, format},
io::{Error, ErrorKind, Result},
process::{exit, Command},
};
use tabled::Tabled;
use version_compare::{Cmp, Version};
use crate::types::HelmChart;
#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, ValueEnum)]
enum Kinds {
Argo,
Helm,
Helmfile,
}
/// Check you helm releaseas managed by Argo
#[derive(Parser)]
#[clap(author, version, about, long_about = None)]
struct Args {
/// Type of the
#[clap(long, value_enum)]
kind: Kinds,
/// Path to the helmfile
#[clap(short, long, value_parser, default_value = "./")]
path: String,
/// Should execution be failed if you have outdated charts
#[clap(short, long, action, default_value_t = false, env = "OUTDATED_FAIL")]
outdated_fail: bool,
/// Set to true if you don't want to sync repositories
#[clap(short, long, action, default_value_t = false)]
no_sync: bool,
}
/// A struct to write helm repo description to
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
struct Repo {
name: Option<String>,
url: String,
}
/// Struct for parsing charts info from helmfile
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
struct LocalCharts {
#[serde(alias = "name", alias = "chart")]
chart: Option<String>,
version: Option<String>,
}
/// Three possible statuses of versions comparison
#[derive(Clone, Serialize)]
enum Status {
Uptodate,
Outdated,
Missing,
}
impl fmt::Display for Status {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Status::Uptodate => write!(f, "Up-to-date"),
Status::Outdated => write!(f, "Outdated"),
Status::Missing => write!(f, "Missing"),
}
}
}
#[derive(Clone, Tabled, Serialize)]
struct ExecResult {
name: String,
latest_version: String,
current_version: String,
status: Status,
}
// Implementation for the ExecResult struct
impl ExecResult {
fn new(name: String, latest_version: String, current_version: String, status: Status) -> Self {
Self {
name,
latest_version,
current_version,
status,
}
}
}
fn main() {
// Preparations step
env_logger::init();
let args = Args::parse();
let mut result: Vec<ExecResult> = Vec::new();
let charts = match args.kind {
Kinds::Argo => Argo::init().get_app(),
Kinds::Helm => Helm::init().get_app(),
Kinds::Helmfile => Helmfile::init(args.path.clone()).get_app(),
}
.unwrap();
if !args.no_sync {
info!("syncing helm repositories");
let res = match args.kind {
Kinds::Argo => Argo::init().sync_repos(),
Kinds::Helm => Helm::init().sync_repos(),
Kinds::Helmfile => Helmfile::init(args.path).sync_repos(),
};
match res {
Ok(_) => info!("helm repos are synced"),
Err(err) => error!("couldn't sync repos', {}", err),
}
}
charts.iter().for_each(|a| {
let err = check_chart(&mut result, a);
});
// Parse the helmfile
// Handling the result
match handle_result(&result, args.outdated_fail) {
Ok(result) => {
if result {
exit(1);
}
}
Err(err) => {
error!("{}", err);
exit(1);
}
};
}
fn check_chart(result: &mut Vec<ExecResult>, local_chart: &types::HelmChart) -> Result<()> {
if local_chart.clone().name.is_some() {
let version = local_chart.version.clone().unwrap();
let chart = local_chart.name.clone().unwrap();
return match version.is_empty() {
true => {
warn!(
"version is not specified for the '{}' chart, skipping",
chart
);
Ok(())
}
false => {
info!("checking {} - {}", chart, version);
let cmd = format!(
"helm search repo {}/{} --versions --output json",
chart, chart
);
debug!("executing '${}'", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile is failed");
let helm_stdout = String::from_utf8_lossy(&output.stdout);
// Remove "v" from version definitions
let mut versions: Vec<HelmChart> = from_str(helm_stdout.borrow()).unwrap();
versions.iter_mut().for_each(|f| {
if f.version.is_some() {
f.version = Some(f.version.as_ref().unwrap().replace('v', ""));
}
});
// Create a Version from the chart version string
let local = Version::from(&version).unwrap();
let mut current_version: String = "0.0.0".to_string();
// Get the latest remote version
for v in versions.iter() {
current_version = get_newer_version(
current_version.clone(),
v.version.as_ref().unwrap().clone(),
);
}
let remote = Version::from(current_version.as_str()).unwrap();
let status: Status = if versions.contains(&HelmChart {
name: Some(format!("{}/{}", chart.clone(), chart.clone())),
version: Some(version.clone()),
}) {
match local.compare(remote.clone()) {
Cmp::Lt => Status::Outdated,
Cmp::Eq => Status::Uptodate,
Cmp::Gt => Status::Missing,
_ => unreachable!(),
}
} else {
Status::Missing
};
result.push(ExecResult::new(
chart.clone(),
current_version.clone(),
version.clone(),
status,
));
Ok(())
}
};
} else {
return Ok(());
}
}
/// Handle result
fn handle_result(result: &Vec<ExecResult>, outdated_fail: bool) -> Result<bool> {
let mut failed = false;
for r in result.clone() {
match r.status {
Status::Uptodate => info!("{} is up-to-date", r.name),
Status::Outdated => {
if outdated_fail {
failed = true
}
warn!(
"{} is outdated. Current version is {}, but the latest is {}",
r.name, r.current_version, r.latest_version
);
}
Status::Missing => {
failed = true;
error!(
"{} is broken. Current version is {}, but it can't be found in the repo",
r.name, r.current_version
);
}
}
}
let template = r#"
<table>
<tr>
<th>Chart Name</th>
<th>Current Version</th>
<th>Latest Version</th>
<th>Status</th>
</tr>
{{#each this as |tr|}}
<tr>
<th>{{tr.name}}</th>
<th>{{tr.current_version}}</th>
<th>{{tr.latest_version}}</th>
<th>{{tr.status}}</th>
</tr>
{{/each}}
</table>
"#;
let mut reg = Handlebars::new();
// TODO: Handle this error
reg.register_template_string("html_table", template)
.unwrap();
match reg.render("html_table", &result) {
Ok(res) => println!("{}", res),
Err(err) => error!("{}", err),
};
Ok(failed)
}
/// Downloading repos from repositories
fn repo_sync() -> Result<()> {
info!("syncing helm repos");
let cmd: String = "argocd app list -o json | jq '[ .[] | {name: .spec.source.chart, url: .spec.source.repoURL} ]'".to_string();
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile is failed");
info!("{:?}", output.clone());
if output.status.success() {
let repos: Vec<Repo> = serde_json::from_slice(&output.stdout).unwrap();
info!("adding repositories");
for repo in repos.iter() {
let name = repo.name.clone();
if name.is_some() {
info!(
"syncing {} with the origin {}",
name.clone().unwrap(),
repo.url
);
let cmd = format!(
"helm repo add {} {}",
name.clone().unwrap(),
repo.url.clone()
);
debug!("running {}", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helm repo sync is failed");
match output.status.success() {
true => {
info!(
"{} with the origin {} is synced successfully",
name.unwrap(),
repo.url
);
}
false => {
error!(
"{} with the origin {} can't be synced",
name.unwrap(),
repo.url
)
}
}
}
}
let cmd = "helm repo update";
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helm repo sync is failed");
match output.status.success() {
true => {
info!("repositories are updated successfully");
}
false => {
error!(
"repositories can't be updated, {}",
String::from_utf8_lossy(&output.stderr)
);
}
}
Ok(())
} else {
Err(Error::new(
ErrorKind::Other,
String::from_utf8_lossy(&output.stderr),
))
}
}
/// Run helmfile list and write the result into struct
fn parse_argo_apps() -> Result<Vec<LocalCharts>> {
let cmd: String = "argocd app list -o json | jq '[.[] | {chart: .spec.source.chart, version: .spec.source.targetRevision}]'".to_string();
debug!("executing '${}'", cmd);
let output = Command::new("bash")
.arg("-c")
.arg(cmd)
.output()
.expect("helmfile is failed");
let helm_stdout = String::from_utf8_lossy(&output.stdout);
match from_str::<Vec<LocalCharts>>(Borrow::borrow(&helm_stdout)) {
Ok(mut charts) => {
charts.dedup();
Ok(charts)
}
Err(err) => Err(err.into()),
}
}
/// Takes two version and returns the newer one.
fn get_newer_version(v1: String, v2: String) -> String {
match Version::from(&v1.replace('v', ""))
.unwrap()
.compare(Version::from(&v2.replace('v', "")).unwrap().clone())
{
Cmp::Eq => v1,
Cmp::Lt => v2,
Cmp::Gt => v1,
_ => unreachable!(),
}
}

33
src/types/mod.rs Normal file
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use serde::{Deserialize, Serialize};
use std::fmt;
/// Struct for parsing charts info from helmfile
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
pub(crate) struct HelmChart {
#[serde(alias = "name", alias = "chart")]
pub(crate) name: Option<String>,
pub(crate) version: Option<String>,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq)]
pub(crate) struct HelmRepo {
pub(crate) name: Option<String>,
pub(crate) url: String,
}
#[derive(Clone, Serialize)]
enum Status {
Uptodate,
Outdated,
Missing,
}
impl fmt::Display for Status {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match *self {
Status::Uptodate => write!(f, "Up-to-date"),
Status::Outdated => write!(f, "Outdated"),
Status::Missing => write!(f, "Missing"),
}
}
}