From f4fcab3d17dfee4ee01af4cbc1433bcfc09ad0d3 Mon Sep 17 00:00:00 2001
From: xeruf <27jf@pm.me>
Date: Thu, 30 Jun 2022 10:54:03 +0100
Subject: [PATCH] config/shell/server/stack: allow subcommand binaries

---
 .config/shell/server              | 49 ++++++++++------
 .local/bin/scripts/stack-template | 92 +++++++++++++++++++++++++++++++
 2 files changed, 123 insertions(+), 18 deletions(-)
 create mode 100755 .local/bin/scripts/stack-template

diff --git a/.config/shell/server b/.config/shell/server
index e2007bd..2c70bb8 100644
--- a/.config/shell/server
+++ b/.config/shell/server
@@ -3,14 +3,21 @@ _stackspin_cluster_cache=/var/tmp/stackspin-cluster
 
 # Stackspin CLI Wrapper
 # Initialize once with "stack select example.org",
-# then it loads the last selected one on startup.
+# then it loads the last selected cluster on startup.
 # Presumes a mapping like the following in your ssh config:
 # Host example.org
 #    Hostname [IP]
 stack() {
-	case "$1" in
+	test $# -lt 1 &&
+		builtin cd "$STACKSPIN" &&
+		echo "Usage: $0 <COMMAND> [args...]" &&
+		echo "Inbuilt commands: select, sso, user, exec, pod, occ" &&
+		return 1
+	local command="$1"
+	shift
+	case "$command" in
 	# stackspin administration
-	(select) shift
+	(select)
 		export _cluster_name="$1"
 		export _cluster_ip="$(ssh -G "$_cluster_name" | grep --max-count 1 "^hostname " | cut -d " " -f2-)"
 		export CLUSTER_DIR="$STACKSPIN/clusters/$_cluster_name"
@@ -21,29 +28,35 @@ stack() {
 		echo "$_cluster_name" >"$_stackspin_cluster_cache"
 		builtin cd "$STACKSPIN"
 		;;
-	(sso) shift
-		builtin cd "$STACKSPIN"
+	(sso) builtin cd "$STACKSPIN"
 		"$0" exec single-sign-on-login -- flask "$@";;
 	(user)
-		if test "$2" = "init"
-		then mail="$3"
-			shift 3
+		if test "$1" = "init"
+		then mail="$2"
+			shift 2
 			stack user create "$mail"
 			stack user update "$mail" name "$*"
 			echo "Initialized user '$*' with email '$mail'"
-		else "$0" exec single-sign-on-login -- flask "$@"
+		else "$0" exec single-sign-on-login -- flask "$command" "$@"
 		fi;;
 	# app clis via kubectl
-	(occ) "$0" exec nc-nextcloud -it -- su www-data -s /bin/bash -c "php $*";;
-	(exec) shift
-		kubectl exec -n $("$0" pod "$1-[0-9]") "${@:2}";;
-	(pod) shift
-		kubectl get pods --all-namespaces --field-selector="status.phase=Running" -o=custom-columns=S:.metadata.namespace,N:.metadata.name --no-headers "${@:2}" | grep --color=never "$1";;
+	(occ) "$0" exec nc-nextcloud -it -- su www-data -s /bin/bash -c "php $command $*";;
+	(exec) kubectl exec -n $("$0" pod "$1-[0-9]") "${@:2}";;
+	(pod)
+		local podname=$1
+		shift
+		kubectl get pods --all-namespaces --field-selector="status.phase=Running" -o=custom-columns=S:.metadata.namespace,N:.metadata.name --no-headers "$@" | grep --color=never "$podname";;
 	# stackspin bare
-	(*) builtin cd "$STACKSPIN"
-		if test $# -gt 1 -a "$1" = install
-		then shift && "./install/install-$1.sh" || ./install/install-app.sh "$@"
-		else python3 -m stackspin "$_cluster_name" "$@"
+	(*) if which "$0-$command" >/dev/null 2>&1
+		then "$0-$command" "$@"
+			return $?
+		fi
+		builtin cd "$STACKSPIN"
+		# Since the install command can also be given bare to install stackspin itself
+		if test $# -gt 0 -a "$command" = install
+		then "./install/install-$1.sh" || ./install/install-app.sh "$@"
+		else python3 -m stackspin "$_cluster_name" "$command" "$@"
+			# pip3 install -r requirements.txt
 		fi;;
 	esac
 }
diff --git a/.local/bin/scripts/stack-template b/.local/bin/scripts/stack-template
new file mode 100755
index 0000000..335996e
--- /dev/null
+++ b/.local/bin/scripts/stack-template
@@ -0,0 +1,92 @@
+#!/bin/sh -e
+test $# -lt 1 &&
+  echo "Usage: $0 <app> [subdomain] [repo] [namespace]" &&
+  exit 1
+app=$1
+subdomain=${2:-$app}
+repo=${3:-$app}
+namespace=${4:-stackspout}
+cat <<EOF >$app-oauth-client.yaml
+apiVersion: hydra.ory.sh/v1alpha1
+kind: OAuth2Client
+metadata:
+  name: $app-oauth-client
+  # Has to live in the same namespace as the stackspin-$app-oauth-variables secret
+  namespace: flux-system
+spec:
+  # TODO copied from wekan: https://github.com/wekan/wekan/wiki/Keycloak
+  grantTypes:
+    - authorization_code
+    - refresh_token
+    - client_credentials
+    - implicit
+  responseTypes:
+    - id_token
+    - code
+  scope: "openid profile email stackspin_roles"
+  secretName: stackspin-$app-oauth-variables
+  #redirectUris:
+  #  - https://$subdomain.\${domain}/oauth/openid/
+  #tokenEndpointAuthMethod: client_secret_post
+EOF
+
+cat <<EOF >$app-release.yaml
+apiVersion: helm.toolkit.fluxcd.io/v2beta1
+kind: HelmRelease
+metadata:
+  name: $app
+  namespace: $namespace
+spec:
+  releaseName: $app
+  chart:
+    spec:
+      chart: $app
+      version: # TODO
+      sourceRef:
+        kind: HelmRepository
+        name: $repo
+        namespace: flux-system
+  interval: 5m
+  valuesFrom:
+    - kind: ConfigMap
+      name: stackspin-$app-values
+      optional: false
+    # Allow overriding values by ConfigMap or Secret
+    - kind: ConfigMap
+      name: stackspin-$app-override
+      optional: true
+    - kind: Secret
+      name: stackspin-$app-override
+      optional: true
+EOF
+
+cat <<EOF >$app-values-configmap.yaml
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: stackspin-$app-values
+  namespace: $namespace
+data:
+  values.yaml: |
+    # TODO verify structure matches chart
+    ingress:
+      enabled: true
+      annotations:
+        kubernetes.io/tls-acme: "true"
+      hosts:
+        - host: "$subdomain.\${domain}"
+          paths:
+             - path: /
+               pathType: Prefix
+      tls:
+        - secretName: $app-tls
+          hosts:
+            - "$subdomain.\${domain}"
+    # TODO Adjust OIDC SSO to service
+    #    - name: Stackspin
+    #      key: "\${client_id}"
+    #      secret: "\${client_secret}"
+    #      autoDiscoverUrl: 'https://sso.\${domain}/.well-known/openid-configuration'
+EOF
+