From 5bcc914fc8beaff5d2b086d70cda9cd63a4e2c0b Mon Sep 17 00:00:00 2001
From: Adam Mohammed <adam@fixergrid.net>
Date: Sun, 2 Jun 2024 20:44:09 -0400
Subject: [PATCH] Beginning of PAPI Client

---
 metal-sdk.scm | 156 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 156 insertions(+)
 create mode 100755 metal-sdk.scm

diff --git a/metal-sdk.scm b/metal-sdk.scm
new file mode 100755
index 0000000..d93269f
--- /dev/null
+++ b/metal-sdk.scm
@@ -0,0 +1,156 @@
+(use-modules (web client)
+	     (json)
+	     (srfi srfi-1)
+	     (srfi srfi-11))
+
+(define (api-key) (getenv "API_KEY"))
+(define (consumer-token) (getenv "CONSUMER_TOKEN"))
+(define auth-header-key 'x-auth-token)
+(define consumer-header-key 'x-consumer-token)
+(define staff-header (cons 'x-packet-staff "true"))
+(define base-url "https://api.equinix.com/metal/v1")
+(define metal-prefix "/metal/v1")
+
+(define %default-headers
+  `((x-auth-token . ,(api-key))
+    (CONTENT-TYPE . "application/json")
+    (ACCEPT . "application/json")))
+
+(define http-debug? #f)
+
+(define (toggle-http-debug)
+  (set! http-debug? (not http-debug?)))
+
+(define (with-staff-headers thunk)
+  (let ((old-headers %default-headers))
+    (dynamic-wind
+      (lambda () (set! %default-headers (append %default-headers
+					      (list (cons 'X-CONSUMER-TOKEN (consumer-token))
+						    (cons 'X-PACKET-STAFF "true")))))
+      thunk
+      (lambda () (set! %default-headers old-headers)))))q
+
+(define (headers)
+  %default-headers)
+
+(define (http-debug method path headers body)
+  (display (format #f "method: ~a\npath: ~a\nheaders: ~a\nbody: ~a\n" method path headers body)))
+
+(define (staff-headers)
+  (let ((consumer-token (getenv "CONSUMER_TOKEN")))
+    (cons (car (headers))
+	  (list
+	   (cons consumer-header-key consumer-token)
+	   staff-header))))
+
+(define (http-req method path headers body)
+  (let ((fixed-path (combine-path path)))
+    (when http-debug? (http-debug method path headers body))
+    (let-values (((resp port) (http-get (combine-path path) #:headers headers
+					#:streaming? #t
+					#:decode-body? #f
+					#:body body)))
+      (handle-json port))))
+
+
+(define (handle-json port)
+  (with-input-from-port port
+    (lambda ()
+      (let ((res (json->scm port)))
+	(close-port port)
+	res))))
+
+(define (GET path headers)
+  (http-req 'GET path headers #f))
+
+(define (POST path headers body)
+  (http-req 'POST path headers body))
+
+(define (PUT path headers body)
+  (http-req 'PUT  path headers body))
+
+(define (DELETE path headers body)
+  (http-req 'DELETE path headers body))
+
+(define (strip-prefix s prefix)
+  (substring s (string-length prefix)))
+
+(define (combine-path path)
+  (if (string-contains path metal-prefix)
+      (string-append base-url (strip-prefix path metal-prefix))
+      (string-append base-url path)))
+
+(define (meta paginated-json)
+  (assoc-ref paginated-json "meta"))
+
+(define (meta->current-page meta)
+  (assoc-ref meta "current_page"))
+
+(define (meta->last-page meta)
+  (assoc-ref meta "last_page"))
+
+(define (meta->next meta)
+  (assoc-ref (assoc-ref meta "next") "href"))
+
+(define (build-project project-alist)
+  (list (assoc "id" project-alist)
+	(assoc "name" project-alist)))
+
+(define (build-device device-alist)
+  (list (assoc "id" device-alist)
+	(assoc "hostname" device-alist)))
+
+(define (list-all-projects)
+  (handle-pagination "/projects?exclude=devices,memberships,members" "projects" build-project))
+
+(define (list-all-devices project)
+  (handle-pagination (format #f "/projects/~a/devices" (project->id project)) "devices" build-device))
+
+(define (handle-pagination start-path array-key model-fn)
+  (let ((pagination (meta (GET start-path (headers))))
+	(collection '()))
+    (define (process-page url)
+      (let ((full-page (GET url (headers))))
+	(map (lambda (item)
+	       (set! collection (cons (model-fn item) collection)))
+	     (vector->list (assoc-ref full-page array-key)))
+	(if (meta->next (meta full-page))
+	    (process-page (meta->next (meta full-page)))
+	    (reverse collection))))
+    (process-page start-path)))
+
+(define (project->id project)
+  (assoc-ref project "id"))
+
+(define (project->organization project)
+  (let ((project (GET (format #f "/projects/~a" (project->id project)) (headers))))
+    (let ((org (GET (assoc-ref (assoc-ref project "organization") "href") (headers))))
+      (list (assoc "id" org) (assoc "name" org)))))
+
+
+
+(define (vlan->project vlan)
+  (project->id (assoc-ref vlan "project")))
+
+(define (vlan->metro-code vlan)
+  (assoc-ref vlan "metro_code"))
+
+(define (vlan->description vlan)
+  (assoc-ref vlan "description"))
+
+(define (vlan-request-body vlan)
+  (scm->json-string
+   `(("metro" . ,(vlan->metro-code vlan))
+     ("description" . ,(vlan->description vlan)))))
+
+(define (build-vlan vlan-alist)
+  (list (assoc "id" vlan-alist)
+	(assoc "description" vlan-alist)
+	(assoc "vxlan" vlan-alist)
+	(assoc "metro_code" vlan-alist)))
+
+(define (vlan->vxlan vlan)
+  (assoc-ref vlan "vxlan"))
+
+(define (list-all-vlans project)
+  (handle-pagination (format #f "/projects/~a/virtual-networks" (project->id project)) "virtual_networks" build-vlan))