[COR-155] 'coredb install' to install operator

.github/workflows/operator.yml

@@ -85,6 +85,11 @@ jobs:
           prefix-key: "coredb-operator-functional-test"
           workspaces: |
             coredb-operator
+      - name: Check CRD is updated in the yaml directory
+        run: |
+          set -xe
+          cargo run --bin crdgen > yaml/crd.yaml
+          git diff --exit-code yaml/crd.yaml
       - name: Run functional / integration tests
         run: |
           set -xe

.github/workflows/publish_operator.yml

@@ -0,0 +1,29 @@
+# TODO: replace with push to CoreDB Quay, and versioned pushes.
+# This is to enable demo 'coredb install' on the CLI.
+#
+on:
+  push:
+    branches:
+      - main
+      - cli
+    paths:
+    - 'coredb-operator/**'
+
+jobs:
+  push_to_registry:
+    name: Push Docker image to Docker Hub
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out the repo
+        uses: actions/checkout@v3
+      - name: Log in to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: sjmiller609
+          password: ${{ secrets.STEVEN_DOCKERHUB_PAT }}
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: ./coredb-operator
+          push: true
+          tags: latest

coredb-cli/src/commands/create.rs

@@ -67,6 +67,7 @@ impl SubCommand for CreateCommand {
 
                     if !status.success() {
                         eprintln!("kubectl apply failed with status {:?}", status);
+                        eprintln!("\n\nHint: Is CoreDB installed in the cluster?\n\nTry running 'coredb install'");
                     }
                 }
             }

coredb-cli/src/commands/install.rs

@@ -0,0 +1,25 @@
+use super::SubCommand;
+use clap::Args;
+use std::process::Command;
+
+#[derive(Args)]
+pub struct InstallCommand {}
+
+impl SubCommand for InstallCommand {
+    fn execute(&self) {
+        let output = Command::new("kubectl")
+            .arg("apply")
+            .arg("-f")
+            .arg("https://raw.githubusercontent.com/CoreDB-io/coredb/main/coredb-operator/yaml/crd.yaml")
+            .output()
+            .expect("Failed to execute 'kubectl' command.");
+        println!("{}", String::from_utf8_lossy(&output.stdout));
+        let output = Command::new("kubectl")
+            .arg("apply")
+            .arg("-f")
+            .arg("https://raw.githubusercontent.com/CoreDB-io/coredb/main/coredb-operator/yaml/install.yaml")
+            .output()
+            .expect("Failed to execute 'kubectl' command.");
+        println!("{}", String::from_utf8_lossy(&output.stdout));
+    }
+}

coredb-cli/src/commands/mod.rs

@@ -1,5 +1,6 @@
 pub mod create;
 pub mod get;
+pub mod install;
 use clap::ValueEnum;
 
 #[derive(ValueEnum, Clone)]

coredb-cli/src/main.rs

@@ -15,13 +15,15 @@ struct Cli {
 enum SubCommands {
     Get(commands::get::GetCommand),
     Create(commands::create::CreateCommand),
+    Install(commands::install::InstallCommand),
 }
 
 impl SubCommand for SubCommands {
     fn execute(&self) {
         match self {
             SubCommands::Get(cmd) => cmd.execute(),
             SubCommands::Create(cmd) => cmd.execute(),
+            SubCommands::Install(cmd) => cmd.execute(),
         }
     }
 }

coredb-operator/.dockerignore

@@ -0,0 +1,6 @@
+target/**
+target
+Dockerfile
+.dockerignore
+.git
+.gitignore

coredb-operator/Dockerfile

@@ -1,4 +1,17 @@
-FROM gcr.io/distroless/static:nonroot
-COPY --chown=nonroot:nonroot ./controller /app/
+FROM clux/muslrust:stable AS builder
+
+COPY . .
+
+RUN cargo build --release
+
+FROM alpine:latest
+
+RUN adduser -D nonroot
+
+COPY --chown=nonroot:nonroot --from=builder target/x86_64-unknown-linux-musl/release/controller /app/controller
+COPY --chown=nonroot:nonroot --from=builder target/x86_64-unknown-linux-musl/release/crdgen /app/crdgen
+
+USER nonroot
+
 EXPOSE 8080
 ENTRYPOINT ["/app/controller"]

coredb-operator/yaml/crd.yaml

@@ -25,11 +25,21 @@ spec:
 
               This provides a hook for generating the CRD yaml (in crdgen.rs)
             properties:
+              image:
+                default: docker.io/postgres:15
+                type: string
+              port:
+                default: 5432
+                format: int32
+                type: integer
               replicas:
+                default: 1
+                format: int32
+                type: integer
+              uid:
+                default: 999
                 format: int32
                 type: integer
-            required:
-            - replicas
             type: object
           status:
             description: The status object of `CoreDB`

coredb-operator/yaml/deployment.yaml → coredb-operator/yaml/install.yaml

@@ -86,7 +86,7 @@ spec:
       serviceAccountName: coredb-controller
       containers:
       - name: coredb-controller
-        image: localhost:5001/controller:ac593af6da990c911652c6e35fb777f36498d6dc
+        image: sjmiller609/coredb-operator:latest
         imagePullPolicy: Always
         resources:
           limits: