ryu4.3.0 版打开gui 用app/gui_topology/gui_topology.py

最新推荐文章于 2023-10-20 17:08:38 发布
原创 最新推荐文章于 2023-10-20 17:08:38 发布 · 954 阅读 · 1 ·
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本文对比了RYU 4.3.0版与3.143.24版中启动GUI的不同方法。4.3.0版使用app/gui_topology/gui_topology.py，而3.143.24版则采用ryu/gui/controller.py。这为RYU用户提供了不同版本间GUI操作的指导。

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ryu4.3.0 版打开gui 用app/gui_topology/gui_topology.py
ryu3.14 3.24版打开gui 用ryu/gui/controller.py

ScriptBasedMapping: Script /etc/hadoop/conf/topology_script-py
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ScriptBasedMapping: Script /etc/hadoop/conf/topology_script-py returned 13 values when 9 were expected.
生动的SDN基础内容介绍（三）--Ryu控制器
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生动的SDN基础内容介绍（四）--Ryu控制器控制器Ryu的目录Ryu的学习simple_switch_13.pysimple_switch_rest_13.py 控制器 之前介绍完了南向协议OpenFlow，这次说一说Ryu。因为毕设的时候师兄推荐了Ryu，再考虑到Python方便开发，我也就继续用Ryu了。但是后续发现好像支持Ryu开发的框架相较Floodlight、OpenDaylight、ONOS没那么多（但也可能只是我没找到）。
hdfs 机架感知
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更多问题解决来源 https://steveloughran.gitbooks.io/kerberos_and_hadoop/content/sections/errors.html（包含大部分Kerberos问题，票据，server） https://www.bbsmax.com/A/rV574Yk9dP/ 1.问题： 2019-03-22 20:53:01 WARN ScriptBa...
【史上最全】Ambari 大数据集群运维与管理操作指南
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作 用 Hadoop 是用在商业主机网络集群上的大规模、分布式的数据存储和处理基础架构。监控和管理如此复杂的分布式系统是不简单的。为了管理这种复杂性， Apache Ambari 从集群节点和服务收集了大量的信息，并把它们表现为容易使用的，集中化的接口：Ambari Web 功 能 显示诸如服务特定的摘要、图表以及警报信息 创建和管理 HDP 集群并执行基本的操作任务，例如启动和停止服务，向集群 中添加主机，以及更新服务配置 执行集群管理任务，例如启用 Kerberos 安全以及执行 St
AdvancedSDNController: Exception occurred during handler processing. Backtrace from offending handler [handle_link_add] servicing event [EventLinkAdd] follows. Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 88, in handle_link_add self.build_topology() File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 50, in build_topology bw=link.src.link.bandwidth, AttributeError: 'Port' object has no attribute 'link'
04-02
switch_list = get_switch(self.topology_api_app, None) links_list = get_link(self.topology_api_app, None) for link in links_list: src = {'dpid': link.src.dpid, 'port': link.src.port_no} dst = {'...
FastConvergenceController: Exception occurred during handler processing. Backtrace from offending handler [link_add_handler] servicing event [EventLinkAdd] follows. Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 42, in link_add_handler self._update_topology() AttributeError: 'FastConvergenceController' object has no attribute '_update_topology' FastConvergenceController: Exception occurred during handler processing. Backtrace from offending handler [link_add_handler] servicing event [EventLinkAdd] follows. Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 42, in link_add_handler self._update_topology() AttributeError: 'FastConvergenceController' object has no attribute '_update_topology'
04-02
- $\text{注意}$：旧版`simple_switch_13.py`示例代码可能不包含拓扑更新方法 $\boxed{\text{推荐实现方案}}$ ```python from ryu.topology.api import get_all_link class FastConvergenceController(app_manager...
mininet> pingall *** Ping: testing ping reachability h1 -> X X h2 -> X X h3 -> X X *** Results: 100% dropped (0/6 received) mininet> link s1 s2 down BGP_SDN_Controller: Exception occurred during handler processing. Backtrace from offending handler [port_status_handler] servicing event [EventOFPPortStatus] follows. Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 49, in port_status_handler if reason == ofp.OFPPR_DELETE: NameError: name 'ofp' is not defined BGP_SDN_Controller: Exception occurred during handler processing. Backtrace from offending handler [port_status_handler] servicing event [EventOFPPortStatus] follows. Traceback (most recent call last): File "/usr/local/lib/python3.8/dist-packages/ryu/base/app_manager.py", line 290, in _event_loop handler(ev) File "/home/zp/Desktop/ryu/ryu/app/simple_switch_13.py", line 49, in port_status_handler if reason == ofp.OFPPR_DELETE: NameError: name 'ofp' is not defined
04-02
比如，代码中直接用了`ofp.OFPPR_DELETE`，但可能缺少了`from ryu.ofproto import ofproto_v1_3 as ofp`这样的导入语句，导致NameError。用户使用的控制器可能是基于这个示例修改的，所以需要检查代码中的导入部分。...
ERROR: Exception: Traceback (most recent call last): File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 438, in _error_catcher yield File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 561, in read data = self._fp_read(amt) if not fp_closed else b"" ^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 527, in _fp_read return self._fp.read(amt) if amt is not None else self._fp.read() ^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 98, in read data: bytes = self.__fp.read(amt) ^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/http/client.py", line 479, in read s = self.fp.read(amt) ^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/socket.py", line 720, in readinto return self._sock.recv_into(b) ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/ssl.py", line 1251, in recv_into return self.read(nbytes, buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/ssl.py", line 1103, in read return self._sslobj.read(len, buffer) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ TimeoutError: The read operation timed out During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper status = _inner_run() ^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run return self.run(options, args) ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/cli/req_command.py", line 67, in wrapper return func(self, options, args) ^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/commands/install.py", line 379, in run requirement_set = resolver.resolve( ^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve result = self._result = resolver.resolve( ^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve state = resolution.resolve(requirements, max_rounds=max_rounds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve self._add_to_criteria(self.state.criteria, r, parent=None) File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria if not criterion.candidates: ^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__ return bool(self._sequence) ^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 174, in __bool__ return any(self) ^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 162, in <genexpr> return (c for c in iterator if id(c) not in self._incompatible_ids) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 53, in _iter_built candidate = func() ^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 186, in _make_candidate_from_link base: Optional[BaseCandidate] = self._make_base_candidate_from_link( ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 232, in _make_base_candidate_from_link self._link_candidate_cache[link] = LinkCandidate( ^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 303, in __init__ super().__init__( File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 158, in __init__ self.dist = self._prepare() ^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 235, in _prepare dist = self._prepare_distribution() ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 314, in _prepare_distribution return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/operations/prepare.py", line 527, in prepare_linked_requirement return self._prepare_linked_requirement(req, parallel_builds) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/operations/prepare.py", line 598, in _prepare_linked_requirement local_file = unpack_url( ^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/operations/prepare.py", line 170, in unpack_url file = get_http_url( ^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/operations/prepare.py", line 111, in get_http_url from_path, content_type = download(link, temp_dir.path) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/network/download.py", line 148, in __call__ for chunk in chunks: File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/cli/progress_bars.py", line 55, in _rich_progress_bar for chunk in iterable: File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_internal/network/utils.py", line 65, in response_chunks for chunk in response.raw.stream( File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 622, in stream data = self.read(amt=amt, decode_content=decode_content) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 560, in read with self._error_catcher(): File "/home/chen/anaconda3/lib/python3.12/contextlib.py", line 158, in __exit__ self.gen.throw(value) File "/home/chen/anaconda3/lib/python3.12/site-packages/pip/_vendor/urllib3/response.py", line 443, in _error_catcher raise ReadTimeoutError(self._pool, None, "Read timed out.") pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host=&#39;files.pythonhosted.org&#39;, port=443): Read timed out.
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