[DPE-6749] Initial standalone snap (#1)

* Initial standalone snap

* Removed charmed reference from readme

* Jira components

* Bump lock format

* Wrong link

* Fix license location

* Third time's the charm

* Cleanup tests

* Bump dpw

* Update snap/local/start-postgresql.sh

Co-authored-by: Alex Lutay <[email protected]>

* Add custom marker

* Don't print command output

* Check output tests

* Remove cfg hook

---------

Co-authored-by: Alex Lutay <[email protected]>

Author: dragomirp

.github/.jira_sync_config.yaml

@@ -0,0 +1,22 @@
+# Sync GitHub issues to Jira issues
+
+# Configuration syntax:
+# https://github.com/canonical/gh-jira-sync-bot/blob/main/README.md#client-side-configuration
+settings:
+  # Repository specific settings
+  components: # Jira components that will be added to Jira issue
+    - postgresql-vm
+    - snap
+
+  # Settings shared across Data Platform repositories
+  label_mapping:
+    # If the GitHub issue does not have a label in this mapping, the Jira issue will be created as a Bug
+    enhancement: Story
+  jira_project_key: DPE  # https://warthogs.atlassian.net/browse/DPE
+  status_mapping:
+    opened: untriaged
+    closed: done  # GitHub issue closed as completed
+    not_planned: rejected  # GitHub issue closed as not planned
+  add_gh_comment: true
+  sync_description: false
+  sync_comments: false

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,30 @@
+---
+name: Bug report
+about: File a bug report
+labels: bug
+
+---
+
+<!-- Thank you for submitting a bug report! All fields are required unless marked optional. -->
+
+## Steps to reproduce
+1. 
+
+## Expected behavior
+
+
+## Actual behavior
+<!-- If applicable, add screenshots -->
+
+
+## Versions
+
+<!-- Run `lsb_release -sd` -->
+Operating system:
+
+## Log output
+<!-- (Optional) Copy the logs that are relevant to the bug & paste inside triple backticks below -->
+
+
+## Additional context
+<!-- (Optional) Add any additional information here -->

.github/renovate.json5

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://docs.renovatebot.com/renovate-schema.json",
+  "extends": ["github>canonical/data-platform//renovate_presets/charm.json5"],
+  "reviewers": ["team:data-platform-postgresql"],
+}

.github/workflows/ci.yaml

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+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+name: Tests
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  pull_request:
+
+jobs:
+  lint:
+    name: Lint
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+
+  build:
+    name: Build snap
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+
+  smoke:
+    name: Smoke test snap
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    needs:
+      - lint
+      - build
+    steps:
+      - name: Uninstall Postgresql
+        run: |
+          sudo apt --purge remove postgresql*
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install tox & poetry
+        run: |
+          pipx install tox
+          pipx install poetry
+      - name: Download snap package(s)
+        uses: actions/download-artifact@v4
+        with:
+          pattern: ${{ needs.build.outputs.artifact-prefix }}-*
+          merge-multiple: true
+      - name: Run tests
+        run: tox run -e smoke

.github/workflows/release.yaml

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+# Copyright 2024 Canonical Ltd.
+# See LICENSE file for licensing details.
+name: Release to Snap Store
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+on:
+  push:
+    branches:
+      - 14/edge
+    paths:
+      - snap/**
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build snap
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+
+  release:
+    name: Release snap
+    needs:
+      - build
+    uses: canonical/data-platform-workflows/.github/workflows/[email protected]
+    with:
+      channel: 14/edge
+      artifact-prefix: ${{ needs.build.outputs.artifact-prefix }}
+    secrets:
+      snap-store-token: ${{ secrets.SNAP_STORE_TOKEN }}
+    permissions:
+      contents: write  # Needed to create GitHub release

README.md

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+# PostgreSQL Snap
+[![Release to Snap Store](https://github.com/canonical/postgresql-snap/actions/workflows/release.yaml/badge.svg)](https://github.com/canonical/postgresql-snap/actions/workflows/release.yaml)
+
+This repository contains the packaging metadata for creating a snap of PostgreSQL built from the official Ubuntu repositories.  For more information on snaps, visit [snapcraft.io](https://snapcraft.io/). 
+
+## Installing the Snap
+The snap can be installed directly from the Stap Store.  Follow the link below for more information.
+<br>
+
+[![Get it from the Snap Store](https://snapcraft.io/static/images/badges/en/snap-store-black.svg)](https://snapcraft.io/postgresql)
+
+## Building the Snap
+### Clone Repository
+```bash
+git clone [email protected]:canonical/postgresql-snap.git
+cd postgresql-snap
+```
+### Installing and Configuring Prerequisites
+```bash
+sudo snap install snapcraft
+sudo snap install lxd
+sudo lxd init --auto
+```
+### Packing and Installing the Snap
+```bash
+snapcraft pack
+sudo snap install ./postgresql*.snap --devmode
+```
+
+## License
+The PostgreSQL Snap is free software, distributed under the Apache
+Software License, version 2.0. See
+[LICENSE](https://github.com/canonical/postgresql-snap/blob/14/edge/LICENSE)
+for more information.