feat: allow user to add extra headers to subsequent krm requests (#146)

* feat: allow user to add extra headers to all future krm requests

avoid having to pass in extra reqOpts that will be used for all future requests

* all more granular control using reqOpt

* Update lib/KubeResourceMeta.js

lib/KubeResourceMeta.js

@@ -22,6 +22,7 @@ module.exports = class KubeResourceMeta {
  this._path = path;
  this._resourceMeta = rm;
  this._kubeApiConfig = kubeApiConfig;
+ this._extraHeaders = {};
 
  this._logger = require('./bunyan-api').createLogger('KubeResourceMeta');
  }
@@ -69,74 +70,79 @@ module.exports = class KubeResourceMeta {
  get kubeApiConfig() {
  return this._kubeApiConfig;
  }
+ get extraHeaders() {
+ return this._extraHeaders;
+ }
 
  hasVerb(verb) {
  return this.verbs.some(v => verb == v);
  }
+ addHeader(key, value) {
+ objectPath.set(this._extraHeaders, ['headers', key], value);
+ }
+ removeHeader(key) {
+ objectPath.del(this._extraHeaders, ['headers', key]);
+ if (Object.keys(objectPath.get(this._extraHeaders, 'headers', {})).length === 0) {
+ objectPath.del(this._extraHeaders, 'headers');
+ }
+ }
 
 
  async request(reqOpt) {
  this._logger.debug(`Request ${reqOpt.method || 'GET'} ${reqOpt.uri || reqOpt.url}`);
- return request(merge(this._kubeApiConfig, reqOpt));
+ return request(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt]));
  }
 
  async get(name, ns, reqOpt = {}) {
- let uri = this.uri({ name: name, namespace: ns });
+ const uri = this.uri({ name: name, namespace: ns });
  this._logger.debug(`Get ${uri}`);
- reqOpt = merge(reqOpt, { uri: uri, json: true });
- return request.get(merge(this._kubeApiConfig, reqOpt));
+ return request.get(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt, { uri: uri, json: true }]));
  }
 
  async put(file, reqOpt = {}) {
- let uri = this.uri({ name: objectPath.get(file, 'metadata.name'), namespace: objectPath.get(file, 'metadata.namespace') });
+ const uri = this.uri({ name: objectPath.get(file, 'metadata.name'), namespace: objectPath.get(file, 'metadata.namespace') });
  this._logger.debug(`Put ${uri}`);
- reqOpt = merge(reqOpt, { uri: uri, json: file });
- return request.put(merge(this._kubeApiConfig, reqOpt));
+ return request.put(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt, { uri: uri, json: file }]));
  }
 
  async post(file, reqOpt = {}) {
- let uri = this.uri({ namespace: objectPath.get(file, 'metadata.namespace') });
+ const uri = this.uri({ namespace: objectPath.get(file, 'metadata.namespace') });
  this._logger.debug(`Post ${uri}`);
- reqOpt = merge(reqOpt, { uri: uri, json: file });
- return request.post(merge(this._kubeApiConfig, reqOpt));
+ return request.post(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt, { uri: uri, json: file }]));
  }
 
  async patch(name, ns, jPatch, reqOpt = {}) {
- let uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
+ const uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
  this._logger.debug(`Json Patch ${uri}`);
  reqOpt = merge(reqOpt, { uri: uri, json: jPatch });
  objectPath.set(reqOpt, ['headers', 'content-type'], objectPath.get(reqOpt, ['headers', 'content-type']) || 'application/json-patch+json');
- let opt = merge(this._kubeApiConfig, reqOpt);
- return request.patch(opt);
+ return request.patch(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt]));
  }
 
  async jsonPatch(name, ns, jPatch, reqOpt = {}) {
  return this.patch(name, ns, jPatch, reqOpt);
  }
 
  async mergePatch(name, ns, mPatch, reqOpt = {}) {
- let uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
+ const uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
  this._logger.debug(`MergePatch ${uri}`);
  reqOpt = merge(reqOpt, { uri: uri, json: mPatch });
  objectPath.set(reqOpt, ['headers', 'content-type'], objectPath.get(reqOpt, ['headers', 'content-type']) || 'application/merge-patch+json');
- let opt = merge(this._kubeApiConfig, reqOpt);
- return request.patch(opt);
+ return request.patch(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt]));
  }
 
  async strategicMergePatch(name, ns, smPatch, reqOpt = {}) {
- let uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
+ const uri = this.uri({ name: name, namespace: ns, status: reqOpt.status });
  this._logger.debug(`StrategicMergePatch ${uri}`);
  reqOpt = merge(reqOpt, { uri: uri, json: smPatch });
  objectPath.set(reqOpt, ['headers', 'content-type'], objectPath.get(reqOpt, ['headers', 'content-type']) || 'application/strategic-merge-patch+json');
- let opt = merge(this._kubeApiConfig, reqOpt);
- return request.patch(opt);
+ return request.patch(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt]));
  }
 
  async delete(name, ns, reqOpt = {}) {
- let uri = this.uri({ name: name, namespace: ns });
+ const uri = this.uri({ name: name, namespace: ns });
  this._logger.debug(`Delete ${uri}`);
- reqOpt = merge(reqOpt, { uri: uri, json: true });
- return request.delete(merge(this._kubeApiConfig, reqOpt));
+ return request.delete(merge.all([this._kubeApiConfig, this._extraHeaders, reqOpt, { uri: uri, json: true }]));
  }
 
 };