feat: meta agent configuration (newrelic#13)

* Create project structure

* Make AgentConfig generic and add integration test for serde_json deserialization

* Remove old Go pipeline checks

* Add newline in files

* Codespell settings

* Define Convertible trait

* Fix Codespell configuration

* Change privacy and visibility

* Remove integration test

* ci: update dependabot to cargo

* ci: move push_pr in favor of check

* ci: add code coverage

* ci: add safety pipeline

* ci: add testing pipeline

* ci: clippy beta toolchain

* ci: add newrelic/caos as code owners

* refactor: apply cargo fmt

* ci: remove minimal versions check

* feat: move to public and lib based

* ci: remove rebase check

Enforced through Github configuration

* fix: allow dependabot updates

* Add Custom Value deserialization in the test and comments

* feat: implement deserialize for enum (newrelic#11)

---------

Co-authored-by: alvarocabanas <[email protected]>

.codespellrc

@@ -0,0 +1,5 @@
+[codespell]
+check-filenames =
+check-hidden =
+ignore-words-list = crate
+skip = ./.git,./Cargo.toml

.github/CODEOWNERS

@@ -0,0 +1,7 @@
+# This is a comment.
+# Each line is a file pattern followed by one or more owners.
+
+# These owners will be the default owners for everything in
+# the repo. Unless a later match takes precedence.
+
+* @newrelic/caos

.github/codecov.yml

@@ -0,0 +1,22 @@
+# ref: https://docs.codecov.com/docs/codecovyml-reference
+coverage:
+  # Hold ourselves to a high bar
+  range: 85..100
+  round: down
+  precision: 1
+  status:
+    # ref: https://docs.codecov.com/docs/commit-status
+    project:
+      default:
+        # Avoid false negatives
+        threshold: 1%
+        target: 85%
+
+# Test files aren't important for coverage
+ignore:
+  - "tests"
+  - "examples"
+
+comment:
+  layout: "reach, diff, flags, files"
+  require_changes: false

.github/dependabot.yml

@@ -1,23 +1,10 @@
 version: 2
 updates:
-  - package-ecosystem: gomod
-    directory: "/"
-    schedule:
-      interval: daily
-    open-pull-requests-limit: 3
-    labels:
-      - dependencies
-  - package-ecosystem: docker
-    directory: "/"
+  - package-ecosystem: github-actions
+    directory: /
     schedule:
       interval: daily
-    open-pull-requests-limit: 3
-    labels: 
-      - dependencies
-  - package-ecosystem: github-actions
-    directory: "/"
+  - package-ecosystem: cargo
+    directory: /
     schedule:
       interval: daily
-    open-pull-requests-limit: 3
-    labels: 
-      - dependencies

.github/workflows/check.yml

@@ -0,0 +1,86 @@
+permissions:
+  contents: read
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+name: checks
+jobs:
+  codespell:
+    name: codespell
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - uses: actions/checkout@v3
+      - name: Codespell test
+        uses: codespell-project/actions-codespell@master
+  fmt:
+    runs-on: ubuntu-latest
+    name: stable / fmt
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - name: cargo fmt --check
+        run: cargo fmt --check
+  clippy:
+    runs-on: ubuntu-latest
+    name: ${{ matrix.toolchain }} / clippy
+    permissions:
+      contents: read
+      checks: write
+    strategy:
+      fail-fast: false
+      matrix:
+        toolchain: [stable, beta]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install ${{ matrix.toolchain }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.toolchain }}
+          components: clippy
+      - name: cargo clippy
+        uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+  doc:
+    runs-on: ubuntu-latest
+    name: nightly / doc
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install nightly
+        uses: dtolnay/rust-toolchain@nightly
+      - name: cargo doc
+        run: cargo doc --no-deps --all-features
+        env:
+          RUSTDOCFLAGS: --cfg docsrs
+  msrv:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        msrv: [1.69.0]
+    name: ubuntu / ${{ matrix.msrv }}
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install ${{ matrix.msrv }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.msrv }}
+      - name: cargo +${{ matrix.msrv }} check
+        run: cargo check

.github/workflows/coverage.yml

@@ -0,0 +1,34 @@
+permissions:
+  contents: read
+on:
+  push:
+    branches: [main]
+  pull_request:
+# See https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+name: coverage
+jobs:
+  coverage:
+    runs-on: ubuntu-latest
+    name: ubuntu / stable / coverage
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+      - name: cargo install cargo-llvm-cov
+        uses: taiki-e/install-action@cargo-llvm-cov
+      - name: cargo generate-lockfile
+        if: hashFiles('Cargo.lock') == ''
+        run: cargo generate-lockfile
+      - name: cargo llvm-cov
+        run: cargo llvm-cov --locked --all-features --lcov --output-path lcov.info
+      - name: Upload to codecov.io
+        uses: codecov/codecov-action@v3
+        with:
+          fail_ci_if_error: true

.github/workflows/safety.yml

@@ -0,0 +1,28 @@
+permissions:
+  contents: read
+on:
+  push:
+    branches: [main]
+  pull_request:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+name: safety
+jobs:
+  miri:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - run: |
+          echo "NIGHTLY=nightly-$(curl -s https://rust-lang.github.io/rustup-components-history/x86_64-unknown-linux-gnu/miri)" >> $GITHUB_ENV
+      - name: Install ${{ env.NIGHTLY }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ env.NIGHTLY }}
+          components: miri
+      - name: cargo miri test
+        run: cargo miri test
+        env:
+          MIRIFLAGS: ""

.github/workflows/test.yml

@@ -0,0 +1,50 @@
+permissions:
+  contents: read
+on:
+# TODO: validate when to trigger the pipeline
+  push:
+# See https://docs.github.com/en/actions/using-jobs/using-concurrency
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+name: test
+jobs:
+  required:
+    runs-on: ubuntu-latest
+    name: ubuntu / ${{ matrix.toolchain }}
+    strategy:
+      matrix:
+        toolchain: [stable, beta]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install ${{ matrix.toolchain }}
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.toolchain }}
+      - name: cargo generate-lockfile
+        if: hashFiles('Cargo.lock') == ''
+        run: cargo generate-lockfile
+      - name: cargo test --locked
+        run: cargo test --locked --all-features --all-targets
+      - name: cargo test --doc
+        run: cargo test --locked --all-features --doc
+  os-check:
+    runs-on: ${{ matrix.os }}
+    name: ${{ matrix.os }} / stable
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: true
+      - name: Install stable
+        uses: dtolnay/rust-toolchain@stable
+      - name: cargo generate-lockfile
+        if: hashFiles('Cargo.lock') == ''
+        run: cargo generate-lockfile
+      - name: cargo test
+        run: cargo test --locked --all-features --all-targets

.gitignore

@@ -0,0 +1,10 @@
+# Generated by Cargo
+# will have compiled files and executables
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk

Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "meta-agent"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+config = "0.13.1"
+serde = { version = "1.0.160", features = [ "derive" ]}
+serde_json = "1.0.96"

README.md

@@ -2,3 +2,12 @@
 
 WIP universal supervisor, powered by OpAMP.
 
+## Sample default static config (/tmp/static.yaml)
+
+```yaml
+op_amp: http://newserver.comm
+agents:
+  nr_otel_collector/gateway:
+  nr_infra_agent:
+    uuid_dir: /bin/sudoo
+```