commit e181cef8878ff101474243d44ae07fbb16cab9e9
Author: Patrick Wuttke <mewin@mewin.de>
Date:   Sat Aug 21 11:43:46 2021 +0200

    Initial commit

diff --git a/portainer.js b/portainer.js
new file mode 100644
index 0000000..0b9bb9f
--- /dev/null
+++ b/portainer.js
@@ -0,0 +1,119 @@
+var portainerURL, portainerEndpoint, portainerUser, portainerPass, portainerBearer;
+
+function portainerInit(url, endpoint, user, password)
+{
+  portainerURL = url;
+  portainerEndpoint = endpoint;
+  portainerUser = user;
+  portainerPass = password;
+}
+
+async function portainerAuth()
+{
+  if (portainerBearer)
+  {
+    return portainerBearer;
+  }
+
+  try
+  {
+    let req = new Request(portainerURL + "/api/auth",
+    {
+      method: "POST",
+      headers: {"Accept":"application/json"},
+      body: JSON.stringify({"Username": portainerUser,"Password": portainerPass})
+    });
+
+    let resp = await fetch(req);
+    let json = await resp.json();
+    if (json.jwt)
+    {
+      portainerBearer = json.jwt;
+    }
+    return json.jwt || null;
+  }
+  catch
+  {
+    return null;
+  }
+}
+
+async function portainerIsRunning(container)
+{
+  let bearer = await portainerAuth();
+  if (bearer == null)
+  {
+    return;
+  }
+
+  try
+  {
+    let req = new Request(portainerURL + "/api/endpoints/" + portainerEndpoint + "/docker/containers/" + container + "/json",
+    {
+      headers: {"Authorization": "Bearer " + bearer}
+    });
+
+    let resp = await fetch(req);
+    json = await resp.json();
+    return json.State.Running;
+  }
+  catch(e)
+  {
+    console.log(e);
+    return false;
+  }
+}
+
+async function portainerStart(container)
+{
+  let bearer = await portainerAuth();
+  if (bearer == null)
+  {
+    return false;
+  }
+
+  try
+  {
+    let req = new Request(portainerURL + "/api/endpoints/" + portainerEndpoint + "/docker/containers/" + container + "/start",
+    {
+      method: "POST",
+      headers: {"Authorization": "Bearer " + bearer}
+    });
+
+    let resp = await fetch(req);
+    // there is no response ...
+    return resp.status < 300;
+  }
+  catch(e)
+  {
+    console.log(e);
+    return false;
+  }
+}
+
+async function portainerStop(container)
+{
+  let bearer = await portainerAuth();
+  if (bearer == null)
+  {
+    return false;
+  }
+
+  try
+  {
+    let req = new Request(portainerURL + "/api/endpoints/" + portainerEndpoint + "/docker/containers/" + container + "/stop",
+    {
+      method: "POST",
+      headers: {"Authorization": "Bearer " + bearer}
+    });
+
+    let resp = await fetch(req);
+    // there is no response ...
+    return resp.status < 300;
+  }
+  catch(e)
+  {
+    console.log(e);
+    return false;
+  }
+}