Multi source ota update

esphome/components/http_request/update/__init__.py

@@ -1,15 +1,11 @@
-import esphome.config_validation as cv
 import esphome.codegen as cg
-
 from esphome.components import update
-from esphome.const import (
-    CONF_SOURCE,
-)
+import esphome.config_validation as cv
+from esphome.const import CONF_SOURCE
 
-from .. import http_request_ns, CONF_HTTP_REQUEST_ID, HttpRequestComponent
+from .. import CONF_HTTP_REQUEST_ID, HttpRequestComponent, http_request_ns
 from ..ota import OtaHttpRequestComponent
 
-
 AUTO_LOAD = ["json"]
 CODEOWNERS = ["@jesserockz"]
 DEPENDENCIES = ["ota.http_request"]
@@ -25,7 +21,7 @@ CONFIG_SCHEMA = update.UPDATE_SCHEMA.extend(
         cv.GenerateID(): cv.declare_id(HttpRequestUpdate),
         cv.GenerateID(CONF_OTA_ID): cv.use_id(OtaHttpRequestComponent),
         cv.GenerateID(CONF_HTTP_REQUEST_ID): cv.use_id(HttpRequestComponent),
-        cv.Required(CONF_SOURCE): cv.url,
+        cv.Required(CONF_SOURCE): cv.ensure_list(cv.url),
     }
 ).extend(cv.polling_component_schema("6h"))
 
@@ -37,7 +33,7 @@ async def to_code(config):
     request_parent = await cg.get_variable(config[CONF_HTTP_REQUEST_ID])
     cg.add(var.set_request_parent(request_parent))
 
-    cg.add(var.set_source_url(config[CONF_SOURCE]))
+    cg.add(var.set_source_urls(config[CONF_SOURCE]))
 
     cg.add_define("USE_OTA_STATE_CALLBACK")
 

esphome/components/http_request/update/http_request_update.cpp

@@ -21,19 +21,33 @@ void HttpRequestUpdate::setup() {
       this->update_info_.progress = progress;
       this->publish_state();
     } else if (state == ota::OTAState::OTA_ABORT || state == ota::OTAState::OTA_ERROR) {
-      this->state_ = update::UPDATE_STATE_AVAILABLE;
-      this->status_set_error("Failed to install firmware");
-      this->publish_state();
+      if (this->current_source_ + 1 < this->source_urls_.size()) {
+        this->current_source_++;
+        this->defer("update", [this]() {
+          this->update();
+          this->perform(true);
+        });
+      } else {
+        this->current_source_ = 0;
+        this->state_ = update::UPDATE_STATE_AVAILABLE;
+        this->status_set_error("Failed to install firmware");
+        this->publish_state();
+      }
     }
   });
 }
 
 void HttpRequestUpdate::update() {
-  auto container = this->request_parent_->get(this->source_url_);
+  std::string current_source = this->source_urls_[this->current_source_];
+  auto container = this->request_parent_->get(current_source);
 
   if (container == nullptr || container->status_code != HTTP_STATUS_OK) {
-    std::string msg = str_sprintf("Failed to fetch manifest from %s", this->source_url_.c_str());
+    std::string msg = str_sprintf("Failed to fetch manifest from %s", current_source.c_str());
     this->status_set_error(msg.c_str());
+    if (this->current_source_ + 1 < this->source_urls_.size()) {
+      this->current_source_++;
+      this->defer("update", [this]() { this->update(); });
+    }
     return;
   }
 
@@ -99,7 +113,7 @@ void HttpRequestUpdate::update() {
   });
 
   if (!valid) {
-    std::string msg = str_sprintf("Failed to parse JSON from %s", this->source_url_.c_str());
+    std::string msg = str_sprintf("Failed to parse JSON from %s", current_source.c_str());
     this->status_set_error(msg.c_str());
     return;
   }
@@ -108,10 +122,10 @@ void HttpRequestUpdate::update() {
   if (this->update_info_.firmware_url.find("http") == std::string::npos) {
     std::string path = this->update_info_.firmware_url;
     if (path[0] == '/') {
-      std::string domain = this->source_url_.substr(0, this->source_url_.find('/', 8));
+      std::string domain = current_source.substr(0, current_source.find('/', 8));
       this->update_info_.firmware_url = domain + path;
     } else {
-      std::string domain = this->source_url_.substr(0, this->source_url_.rfind('/') + 1);
+      std::string domain = current_source.substr(0, current_source.rfind('/') + 1);
       this->update_info_.firmware_url = domain + path;
     }
   }

esphome/components/http_request/update/http_request_update.h

@@ -18,7 +18,8 @@ class HttpRequestUpdate : public update::UpdateEntity, public PollingComponent {
   void perform(bool force) override;
   void check() override { this->update(); }
 
-  void set_source_url(const std::string &source_url) { this->source_url_ = source_url; }
+  void set_source_url(const std::string &source_urls) { this->source_urls_ = {source_urls}; }
+  void set_source_urls(const std::vector<std::string> &source_urls) { this->source_urls_ = source_urls; }
 
   void set_request_parent(HttpRequestComponent *request_parent) { this->request_parent_ = request_parent; }
   void set_ota_parent(OtaHttpRequestComponent *ota_parent) { this->ota_parent_ = ota_parent; }
@@ -28,7 +29,8 @@ class HttpRequestUpdate : public update::UpdateEntity, public PollingComponent {
  protected:
   HttpRequestComponent *request_parent_;
   OtaHttpRequestComponent *ota_parent_;
-  std::string source_url_;
+  std::vector<std::string> source_urls_;
+  size_t current_source_{0};
 };
 
 }  // namespace http_request