Added Hetzner provider

Author: summerisgone

app/static/provider-do.vue

@@ -46,7 +46,7 @@ module.exports = {
   },
   computed: {
     is_valid() {
-      return (this.do_config || this.ui_token_from_env) && this.region;
+      return (this.do_token || this.ui_token_from_env) && this.region;
     }
   },
   created: function() {

app/static/provider-hetzner.vue

@@ -0,0 +1,118 @@
+<template>
+  <div>
+    <div v-if="ui_token_from_env">
+      <div v-if="ui_token_from_env" class="form-text alert alert-success" role="alert">
+        The token was read from the environment variable
+      </div>
+    </div>
+    <div class="form-group" v-else>
+      <label for="id_hcloud_token">
+          Enter your API token. The token must have read and write permissions
+          <a href="https://github.com/trailofbits/algo/blob/master/docs/cloud-hetzner.md" title="https://github.com/trailofbits/algo/blob/master/docs/cloud-hetzner.md" class="badge bagde-pill badge-primary" target="_blank" rel="noopener noreferrer">?</a>
+      </label>
+      <input
+        type="text"
+        class="form-control"
+        id="id_hcloud_token"
+        name="hcloud_token"
+        v-bind:disabled="ui_loading_check"
+        v-model="hcloud_token"
+        @blur="load_regions"
+      />
+    </div>
+    <region-select v-model="region"
+      v-bind:options="ui_region_options"
+      v-bind:loading="ui_loading_check || ui_loading_regions"
+      v-bind:error="ui_region_error">
+    </region-select>
+    <button v-on:click="submit"
+      v-bind:disabled="!is_valid" class="btn btn-primary" type="button">Next</button>
+  </div>
+</template>
+
+<script>
+module.exports = {
+  data: function() {
+    return {
+      hcloud_token: null,
+      region: null,
+      // helper variables
+      ui_loading_check: false,
+      ui_loading_regions: false,
+      ui_region_error: null,
+      ui_token_from_env: false,
+      ui_region_options: []
+    }
+  },
+  computed: {
+    is_valid() {
+      return (this.hcloud_config || this.ui_token_from_env) && this.region;
+    }
+  },
+  created: function() {
+    this.check_config();
+  },
+  methods: {
+    check_config() {
+      this.ui_loading_check = true;
+      return fetch("/hetzner_config")
+        .then(r => r.json())
+        .then(response => {
+          if (response.has_secret) {
+            this.ui_token_from_env = true;
+            this.load_regions();
+          }
+        })
+        .finally(() => {
+          this.ui_loading_check = false;
+        });
+    },
+    load_regions() {
+      if (this.ui_token_from_env || this.hcloud_token) {
+        this.ui_loading_regions = true;
+        this.ui_region_error = null;
+        const payload = this.ui_token_from_env ? {} : {
+          token: this.hcloud_token
+        };
+        fetch("/hetzner_regions", {
+          method: 'post',
+          headers: {
+            'Content-Type': 'application/json'
+          },
+          body: JSON.stringify(payload)
+        })
+          .then((r) => {
+            if (r.status === 200) {
+              return r.json();
+            }
+            throw new Error(r.status);
+          })
+          .then((data) => {
+            this.ui_region_options = data.datacenters.map(i => ({key: i.location.name, value: i.location.city}));
+          })
+          .catch((err) => {
+            this.ui_region_error = err;
+          })
+          .finally(() => {
+            this.ui_loading_regions = false;
+          });
+      }
+    },
+    submit() {
+      if (this.ui_token_from_env) {
+        this.$emit("submit", {
+          region: this.region
+        });
+      } else {
+        this.$emit("submit", {
+          hcloud_token: this.hcloud_token,
+          region: this.region
+        });
+      }
+    }
+  },
+  components: {
+    "region-select": window.httpVueLoader("/static/region-select.vue"),
+  }
+};
+</script>

app/static/provider-setup.vue

@@ -62,7 +62,8 @@ module.exports = {
     'ec2': window.httpVueLoader('/static/provider-ec2.vue'),
     'gce': window.httpVueLoader('/static/provider-gce.vue'),
     'vultr': window.httpVueLoader('/static/provider-vultr.vue'),
-    'scaleway': window.httpVueLoader('/static/provider-scaleway.vue')
+    'scaleway': window.httpVueLoader('/static/provider-scaleway.vue'),
+    'hetzner': window.httpVueLoader('/static/provider-hetzner.vue')
   }
 };
 </script>