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WIP: Adding support for git subtree

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This commit is contained in:
Nikolai Rodionov
2024-02-11 08:31:43 +01:00
parent aabcb21f3b
commit f3eaaafd3c
8 changed files with 95 additions and 37 deletions
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21
helmule/examples/giantswarm/charts/zot.yaml
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@@ -4,21 +4,22 @@
name: zot
repository: zot-git
extensions:
- name: Add VPA
source_dir: ../extensions/vpa
target_dir: templates/gs-vpa
- name: Add values for CI
source_dir: ../extensions/ci-values
target_dir: ci
#- name: Add VPA
# source_dir: ../extensions/vpa
# target_dir: templates/gs-vpa
#- name: Add values for CI
# source_dir: ../extensions/ci-values
# target_dir: ci
variables:
target_repo: zot-app
patches:
- name: team annotation
- name: set home
- name: set engine
- name: yamlfmt
#- name: team annotation
#- name: set home
#- name: set engine
#- name: yamlfmt
- name: Git patch
git:
path: ../patches/git/zot.patch
ref: d43aaea7bc0e21edb5cc391d4eb47866a5a94aba
mirrors:
- apps-git

4
helmule/examples/giantswarm/helmule.yaml
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@@ -8,6 +8,7 @@ include:
path: ./charts/gitops-server.yaml
- kind: Charts
path: ./charts/external-secrets-operator.yaml
patches:
- name: yamlfmt
custom_command:
@@ -40,6 +41,7 @@ repositories:
url: https://github.com/project-zot/helm-charts.git
git_ref: zot-0.1.42
path: charts
subtree: true
- name: weave
helm:
url: https://helm.gitops.weave.works
@@ -50,7 +52,7 @@ mirrors:
- name: apps-git
git:
url: git@git.badhouseplants.net:allanger/{{ variables.target_repo }}.git
git_dir: app-{{ name }}-git
git_dir: app-{{ name }}
branch: upgrade-{{ name }}-to-{{ version }}
path: helm/{{ name }}
commit: |-

11
helmule/examples/giantswarm/patches/git/zot.patch
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@@ -109,13 +109,10 @@ index ac7f0f0..9730e9c 100644
replicaCount: 1
image:
- repository: ghcr.io/project-zot/zot-linux-amd64
- pullPolicy: IfNotPresent
- # Overrides the image tag whose default is the chart appVersion.
- tag: "v2.0.0"
+ registry: gsoci.azurecr.io
+ image: dummy/zot-linux
+ pullPolicy: Always
+ tag: ""
+ repository: ghcr.io/project-zot/zot-linux-amd64-bla
pullPolicy: IfNotPresent
# Overrides the image tag whose default is the chart appVersion.
tag: "v2.0.0"
serviceAccount:
# Specifies whether a service account should be created
create: true

4
helmule/src/main.rs
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@@ -47,7 +47,7 @@ struct Args {
}
fn exec(args: Args) -> Result<(), Box<dyn Error>> {
let prerequisites = vec![args.helm_bin, args.git_bin, args.yq_bin];
let prerequisites = vec![args.helm_bin, args.git_bin.clone(), args.yq_bin];
check_prerequisites(prerequisites)?;
let workdir_path = helmzoo_lib::workdir::setup_workdir(args.workdir)?;
let mut config: Config = read_config(args.config.clone())?;
@@ -72,7 +72,7 @@ fn exec(args: Args) -> Result<(), Box<dyn Error>> {
patches
.into_iter()
.try_for_each(|patch| -> Result<(), Box<dyn Error>> {
patch.apply(chart_path.clone(), config.patches.clone())
patch.apply(chart_path.clone(), config.patches.clone(), workdir_path.clone(), args.git_bin.clone())
})?
}
config

1
helmule/src/mirror/git.rs
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@@ -46,6 +46,7 @@ impl Target for GitMirror {
Some(dir) => template::render(dir.clone(), &chart_local)?,
None => general_purpose::STANDARD_NO_PAD.encode(self.url.clone()),
};
let git_instance = Git {
url: template::render(self.url.clone(), &chart_local)?,
repo_path: repo_path.clone(),

52
helmule/src/patches.rs
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@@ -1,12 +1,11 @@
use std::{
fs::{self, read_dir, remove_dir_all, File, OpenOptions},
io::Write,
path::{Path, PathBuf},
path::{Path, PathBuf}, process::exit,
};
use helmzoo_lib::{
cli::{cli_exec, cli_exec_from_dir},
output::message_info,
cli::{cli_exec, cli_exec_from_dir}, git::{CheckoutOptions, Git, GitOptions}, output::message_info, workdir
};
use serde::{Deserialize, Serialize};
@@ -26,6 +25,12 @@ pub(crate) struct RegexpPatch {
#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
pub(crate) struct GitPatch {
path: String,
#[serde(alias = "ref")]
git_ref: Option<String>,
#[serde(skip)]
workdir: String,
#[serde(skip)]
git_bin: String
}
#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
@@ -62,18 +67,20 @@ impl Patch {
&self,
chart_local_path: String,
global_patches: Option<Vec<Patch>>,
workdir: String,
git_bin: String,
) -> Result<(), Box<dyn std::error::Error>> {
let patch_action: Box<dyn PatchInterface>;
if self.is_ref() {
let patch_ref = self.get_ref(global_patches)?;
patch_action = Box::from(patch_action_from_definition(patch_ref)?);
patch_action = Box::from(patch_action_from_definition(patch_ref, workdir.clone(), git_bin.clone())?);
} else {
patch_action = Box::from(patch_action_from_definition(self.clone())?);
patch_action = Box::from(patch_action_from_definition(self.clone(), workdir.clone(), git_bin.clone())?);
}
patch_action.apply(chart_local_path)
}
pub(crate) fn get_path(&self) -> String {
match patch_action_from_definition(self.clone()) {
match patch_action_from_definition(self.clone(), String::new(), String::new()) {
Ok(patch) => patch.get_path(),
Err(_) => "".to_string(),
}
@@ -235,12 +242,34 @@ impl PatchInterface for RegexpPatch {
impl PatchInterface for GitPatch {
fn apply(&self, chart_local_path: String) -> Result<(), Box<dyn std::error::Error>> {
if !is_git_repo(chart_local_path.clone()) {
let git_instance = Git {
url: chart_local_path.clone(),
repo_path: chart_local_path.clone(),
};
let path = format!("{}", chart_local_path);
let is_git_repo = is_git_repo(path.clone());
if !is_git_repo {
init_git_repo(chart_local_path.clone())?;
};
let cmd = "git rev-parse --abbrev-ref HEAD".to_string();
let current_ref = cli_exec_from_dir(cmd, path)?;
let git_opts = GitOptions::new(self.git_bin.clone(), None);
if let Some(git_ref) = self.git_ref.clone() {
let checkout_options = CheckoutOptions {
create: false,
git_ref: git_ref.clone(),
};
git_instance.checkout(git_opts, checkout_options)?;
}
let cmd = format!("git -C {} apply {}", chart_local_path, self.path);
cli_exec(cmd)?;
remove_dir_all(chart_local_path + "/.git")?;
if let Some(git_ref) = self.git_ref.clone() {
exit(1);
}
if !is_git_repo{
remove_dir_all(chart_local_path + "/.git")?;
}
Ok(())
}
@@ -273,6 +302,8 @@ impl PatchInterface for CustomCommandPatch {
fn patch_action_from_definition(
patch: Patch,
workdir: String,
git_bin: String,
) -> Result<Box<dyn PatchInterface>, Box<dyn std::error::Error>> {
if let Some(regexp) = patch.regexp {
Ok(Box::new(RegexpPatch { path: regexp.path }))
@@ -285,6 +316,9 @@ fn patch_action_from_definition(
None => git.path.clone(),
}
},
git_ref: git.git_ref.clone(),
workdir: workdir.clone(),
git_bin: git_bin.clone(),
}));
} else if let Some(custom_command) = patch.custom_command {
return Ok(Box::new(CustomCommandPatch {
@@ -301,7 +335,7 @@ fn patch_action_from_definition(
}
fn is_git_repo(path: String) -> bool {
let dot_git_path = path + ".git";
let dot_git_path = path + "/.git";
Path::new(dot_git_path.as_str()).exists()
}

13
lib/src/git.rs
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@@ -1,8 +1,8 @@
use std::error::Error;
use std::{error::Error, fmt::format};
use serde::{Deserialize, Serialize};
use crate::cli::{cli_exec, cli_exec_from_dir};
use crate::cli::{cli_exec, cli_exec_from_dir, is_path_relative};
#[derive(Serialize, Deserialize, PartialEq, Debug, Clone)]
pub struct GitOptions {
@@ -46,6 +46,10 @@ pub struct Git {
impl Git {
pub fn new(url: String, repo_path: String) -> Self {
let repo_path = match is_path_relative(repo_path.clone()) {
true => format!("./{}", repo_path),
false => todo!(),
};
Self { url, repo_path }
}
@@ -90,8 +94,9 @@ impl Git {
let _ = self.exec(cmd, git_opts.workdir.clone())?;
}
let cmd = format!(
"{} diff --staged --quiet || {} -C {} commit -m \"{}\"",
git_opts.bin, git_opts.bin, self.repo_path, opts.message
"{} -C {} diff --staged --quiet || {} -C {} commit -m \"{}\"",
git_opts.bin, self.repo_path,
git_opts.bin, self.repo_path, opts.message
);
match self.exec(cmd, git_opts.workdir.clone()) {
Ok(_) => Ok(()),

26
lib/src/helm/git_repository.rs
View File

@@ -4,6 +4,7 @@ use crate::git::GitOptions;
use crate::{cli::cli_exec, helm::repository::Version};
use std::error::Error;
use std::fs::{self, rename};
use std::process::exit;
use base64::{engine::general_purpose, Engine};
use serde::Deserialize;
@@ -19,6 +20,7 @@ pub struct GitRepo {
#[serde(alias = "ref")]
pub git_ref: String,
pub path: String,
pub subtree: bool,
#[serde(default = "default_git_bin")]
pub(crate) git_bin: String,
}
@@ -40,7 +42,7 @@ impl RepositoryImpl for GitRepo {
git_ref: self.git_ref.clone(),
};
git_instance.checkout(git_opts, checkout_opts)?;
git_instance.checkout(git_opts.clone(), checkout_opts)?;
let old_dir_name = format!(
"{}/{}/{}/{}",
@@ -56,13 +58,29 @@ impl RepositoryImpl for GitRepo {
match serde_yaml::from_str::<Version>(&helm_stdout) {
Ok(res) => {
new_dir_name = format!("{}/{}-{}", workdir_path, chart.name.clone(), res.version);
rename(old_dir_name, new_dir_name.clone())?;
match self.subtree {
true => {
let cmd = format!("git subtree split --prefix {}/{} -b helmule-subtree-split", self.path, chart.name.clone());
cli_exec_from_dir(cmd, format!("{}/{}", workdir_path.clone(), repo_name))?;
let checkout_opts = CheckoutOptions{
create: false,
git_ref: "helmule-subtree-split".to_string(),
};
git_instance.checkout(git_opts.clone(), checkout_opts)?;
let old_dir_name = format!("{}/{}", workdir_path.clone(), repo_name);
rename(old_dir_name, new_dir_name.clone())?;
},
false => {
rename(old_dir_name, new_dir_name.clone())?;
// Cleaning up
fs::remove_dir_all(format!("{}/{}", workdir_path, repo_name))?;
}
};
}
Err(err) => return Err(Box::from(err)),
};
// Cleaning up
fs::remove_dir_all(format!("{}/{}", workdir_path, repo_name))?;
// Get the version
let cmd = "helm show chart . | yq '.version'".to_string();