6 comments nickadams675 commented on Feb 11, 2020 Describe the bug Seeing sporadic TLS handshake timeouts Version "latest" If you want to use IAM credential retrieved from an instance profile, Thanos needs to authenticate through AWS STS. The value for Azure should be https://.blob.core.windows.net. // Optional. "fqdn": "dasanderk8-d55f0987.hcp.westus2.azmk8s.io", : https://activity.csdn.net/creatActivity?id=10409?utm_source=csdn_ai_ada_redpacket So I'd expect the recommended thing to do would be to have a sidecar in each pod that serves metrics (either a specialized exporter or the Node Exporter with only textfile collector module enabled) instead of pushing the metrics to a PGW and then not having pod+PGW lifecycles tied together. By clicking Post Your Answer, you agree to our terms of service and acknowledge that you have read and understand our privacy policy and code of conduct. tls-auth ta.key 1 # Select a cryptographic cipher. Depending on the length of the content, this process could take a while. Microsoft Edge: https://activity.csdn.net/creatActivity?id=10403?utm_source=csdn_ai_ada_redpacket part_size is specified in bytes and refers to the minimum file size used for multipart uploads, as some custom S3 implementations may have different requirements. You signed in with another tab or window. "type": "Microsoft.ContainerService/ManagedClusters" However, it seems like all kubectl operations as well as az browse fail with: I just had this happen to myself. This file allows you to find for example: NOTE: In theory, you can modify this data manually. We also recommend customer to upgrade clusters to stay to the latest or one version before latest supported K8S version. How terrifying is giving a conference talk? I just changed the configuration and I got these TLS errors. expect_continue_timeout: 1s // Optional amount of time to wait for a server . You said that you have tried many providers, does the error you get vary by provider? Particularly there is no planned support for distributed filesystems like NFS. @matthiasr Actually this is a great point by @brian-brazil. Well occasionally send you account related emails. Reload to refresh your session. No, the provider configuration worked as it should, both resources were correctly being created and all of the sudden I get the TLS error for both providers and nothing works anymore. }. @matthiasr To expand on what Brian said, an hourly cronjob would push its last completion timestamp to the pushgateway. . while trying to get nodes on a new cluster in eastus. On the initiating or active side of the connection, the . Increasing node count via portal and then running "kubectl get nodes". They are stored in meta.json in thanos.labels section and allows to identify the producer and owner of those blocks. It still took a long time to go from "Creating" to normal, but it did get there eventually. I was then successful and could scale the cluster down to the original size. Holding the time range data in the index allows dropping chunks irrelevant to queried time ranges without accessing them directly. For debug and testing purposes you can set, insecure: true to switch to plain insecure HTTP instead of HTTPS, http_config.insecure_skip_verify: true to disable TLS certificate verification (if your S3 based storage is using a self-signed certificate, for example). 2 vSphere vs. terraform VM Customization Failure with Network not being connected . Sometimes I just cannot use kubectl. Temporary policy: Generative AI (e.g., ChatGPT) is banned. Starting the Prompt Design Site: A New Home in our Stack Exchange Neighborhood. I'm guessing this is the underlying issue here. : https://marketing.csdn.net/p/90a06697f3eae83aabea1e150f5be8a5?utm_source=csdn_ai_ada_redpacket If some label will duplicate with the external label of receive, it will be masked with what receiver has specified. This is not considered an acceptable workaround. That's the question and that's the potential bug: why is the TLS handshake timing out after 10 seconds if the scrape timeout is 30s, the scrape interval is 60s and the built-in default timeout is 120s. I think it's worth bumping the priority as the issue has been around for a long while and is affecting a lot of folks. if the script could be useful to someone ( I've searched but found nothing before creating mine ) Increase the verbosity of the Grafana server logs to debug and note any errors. If type is set to SSE-C you must provide a path to the encryption key using encryption_key. A postings offset table stores a sequence of postings offset entries, sorted by label name and value. Same here today, I created an aks 1.8.1 on westeurope and it's ok, but one hour later I upgraded to 1.8.2 and since, Unable to connect to the server: net/http: TLS handshake timeout, After that I cant create new aks on westeurope location cli return this, cmd : This should work, right? After restarting the nodes, kubectl would resume being responsive for a bit, then start hanging again. If you are seeking advice how to implement your use case with the given tooling, the prometheus-users mailing list is a good place. However, those can be removed when the block is being deleted from object storage/disk. On the other hand, several S3 compatible APIs use signature_version2: true. Learn more about Teams } I set up a cluster with one node and I wanted to investigate differences to the GCP deployement, essentially do a dry run (our production deployment is on Google Cloud's Kubernetes but we're doing an Azure deployment for a client). Please note that I am really excited about Terraform and started to use it for a new project. Either of these commands results in Unable to connect to the server: net/http: TLS handshake timeout. any other suggestions to resolve this in blackbox exporter? Zero means no timeout and causes the body to be sent immediately. https://github.com/kubernetes/kubernetes/releases/downl, , , , Some common fixes to the SSL/TLS handshake failed error: 1. I believe capacity issues in ukwest is ongoing, hoping AKS will expand to other locations in Europe soon. That's the question and that's the potential bug: why is the TLS handshake timing out after 10 seconds if the scrape timeout is 30s, the scrape interval is 60s and the built-in default timeout is 120s. You can configure the timeout settings for the HTTP client by setting the http_config.idle_conn_timeout and http_config.response_header_timeout keys. Now we've moved to a new cluster (supposed after GA) and are still seeing it. And if the node vm is very small, it can leave pods no place to schedule, including some mission critical pods (addons in kube-system), If after all the diagnosis you still suffer from this issue, please don't hesitate to send email to aks-help@service.microsoft.com, And if the node vm is very small, it can leave pods no place to schedule, including some mission critical pods. "dnsPrefix": "dasanderk8", TLS Handshake Timeout with kubernetes on vmware-fusion vagrant provider, Terraform - Azure Windows VM connection issue, Connection timeout during file provision to azurerm vm, vSphere vs. terraform VM Customization Failure with Network not being connected, Terraform AWS ASG: Error: timeout - last error: ssh: handshake failed: ssh: unable to authenticate, Terraform resource Elastic Load Balancer - reduce ConnectionDrainingPolicy timeout, Terraform timeout when connecting to EC2 instance, Error: error setting up new vSphere SOAP client: Post "https://example.com/sdk": dial tcp: i/o timeout, Terraform: Error: timeout waiting for an available IP address, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide, The future of collective knowledge sharing, Your configuration is correct. Currently AWS requires signature v4, so it needs signature_version2: false. : https://activity.csdn.net/creatActivity?id=10317?utm_source=csdn_ai_ada_redpacket You can either pass YAML file defined below in --objstore.config-file or pass the YAML content directly using --objstore.config We recommend the latter as it gives an explicit static view of configuration for each component. TL;DR Skip to workarounds in Answers below. During the handshake . Those labels will be visible when data is queried. (NOTE: In Prometheus too, but with some caveats like tombstones). Why did the subject of conversation between Gingerbread Man and Lord Farquaad suddenly change? On Windows, this is, On Google Compute Engine and Google App Engine Managed VMs, it fetches credentials from the metadata server. VR vs AR: https://activity.csdn.net/creatActivity?id=10399?utm_source=csdn_ai_ada_redpacket Thankfully I'm not dealing with a production workload, but imagine if I was. A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more. The text was updated successfully, but these errors were encountered: Sorry, I looked at this the other day and forgot to follow up Ah, the builtin default. In Thanos system, all files are strictly immutable. Zero means no timeout. http_config.tls_config allows configuring TLS connections. What did you expect to see? general not-tied-to-your-app-or-cluster). we increased the timeout in prometheus datasource configuration and in addition in grafana.ini we increased the dataproxy timeout , If type is set to SSE-KMS you must set kms_key_id. Official docs for Prometheus TSDB format can be found here, but this section lists the most important elements here. You can configure an S3 bucket as an object store with YAML, either by passing the configuration directly to the --objstore.config parameter, or (preferably) by passing the path to a configuration file to the --objstore.config-file option. Unable to connect to the server: net/http: TLS handshake timeout you dont have to use Thanos tooling to know from where which blocks came). The file is written in YAML format , defined by the scheme described below. Exporter Prometheus TLS , Prometheus Exporter Exporter TLS , mysqld_exporter grafana500,tls, level=info ts=2022-01-13T02:31:07.645Z caller=tls_config.go:224 msg="TLS is enabled." If true, crypto/tls accepts any certificate presented by the server and any host name in that certificate. We've updated our Privacy Policy effective July 1st, 2023. Operation failed with status: 200. to the expression browser or HTTP API ). They are partially read into memory when an index file is loaded. 11/9: I'm still getting issues and have reverted back to unmanaged cluster using ACS and Kubernetes as the controller. If you haven't upgraded recently I'd recommend issuing az aks upgrade, even to the same kubernetes-version, as that will push the latest configuration to clusters. Already on GitHub? **, https://gist.github.com/fvigotti/cf5938d2ea037422555550e649b6a2c7, Add documentation about TTL and GH issues. After some discussions, the conclusion is that we don't want this feature for now (in the spirit of https://twitter.com/solomonstre/status/715277134978113536 ). The steps recommended in this guide are: Verify effective configuration Verify that the node listens for TLS connections Verify file permissions Verify TLS support in Erlang/OTP Verify certificate/key pairs and test with alternative TLS client or server using OpenSSL command line tools 2023: https://marketing.csdn.net/p/1738cda78d47b2ebb920916aab7c3584?utm_source=csdn_ai_ada_redpacket However, the Prometheus developers are not keen, either, to track all the (open and closed) issues of all repos in the Prometheus org (there are 38 of them!). notice the 10 second difference between timestamps. The cluster creates okay with the following commands: The response from the create command is a JSON object: Scraping actuator on springboot up returns - remote error: tls: handshake failure Prometheus server PaxhapeJuly 14, 2021, 10:48am 1 What did you do? Have a question about this project? Zero means no limit. Go to https://www.alibabacloud.com/product/oss for more detail. Already on GitHub? The handshake completion interval used is the specified Handshake Timeout value on either active or passive connections. How can it be "unfortunate" while this is what the experiments want? 1- Press Windows key+R to open Run dialog. }, The Overflow #186: Do large language models know what theyre talking about? To specify a storage class, add it to the put_user_metadata section of the config file. Unable to connect to the server: net/http: TLS handshake timeout. The label pairs are lexicographically sorted. looks like the auth fails at some point. (Ep. "linuxProfile": { Example block file structure (on the local filesystem) can look like this: NOTE: Currently supported meta.json version: v1 Currently supported meta.json Thanos section version: v1. Targets scraped without - remote error: tls: handshake failure. This is timing out in the HTTP client after 10 seconds. If type is set to SSE-S3 you do not need to configure other options. 1m30s // Optional maximum amount of time an idle (keep-alive) connection will remain idle before closing itself. I'm having the same issue after downscaling my cluster in East US! : https://activity.csdn.net/creatActivity?id=10317?utm_source=csdn_ai_ada_redpacket NOTE: Currently Thanos requires strong consistency (write-read) for object store implementation for singleton Compaction purposes. kubectl get nodes In my experience, AKS scaling when there are unsheduled pods tends to cause the cluster to break catastrophically, more often than not. I wasn't doing anything terribly complicated on the nodes. To see all available qualifiers, see our documentation. They are used to track label index sections. Keywords: Status: CLOSED NOTABUG . Set list_objects_version: "v1" for S3 compatible APIs that dont support ListObjectsV2 (e.g. I'd rather have no metric if it didn't run than the metric from the last time it ran. The kms_encryption_context is optional, as AWS provides a default encryption context. There might still be a small number of legitimate use cases, but in view of the huge potential of abusing the feature, and also semantic intricacies that will be hand to get right in implementing it, we declare it a bad trade-off. I'm not sure if that's what fixed it, or if whatever was truly causing the issue just went away. I encounter the same TLS handshake timeout connection issue after I manually scale the node count from 1 to 2! For example: The recommended information that should be given in those labels: Example Prometheus useful external labels: NOTE: Be careful with receive external flags. I'm going to lock this issue because it has been closed for 30 days . We should NOT close this issue as the bug still occurs from time to time. I tried a different region, with the default VM size, and that worked. If you determine that you are getting handshake time . NOTE: Currently supported index file versions: v1. 10s // Optional maximum amount of time waiting to wait for a TLS handshake. QQ: I cannot connect with Cabin app to my cluster using token. kubernetes 11 1. In the portal my AKS cluster is still listed as "Creating". For example, the config file below specifies storage class of STANDARD_IA. "clusterUser": { Connections must be properly established in a multi-step handshake process. For deployment (policy for Thanos services): A JSON file whose path is specified by the, A JSON file in a location known to the gcloud command-line tool. Proxy running on http://127.0.0.1:8001/ This can be used to find. If you dont want to use the same container for the segments (best practise is to use _segments to avoid polluting listing of the container objects) you can use the large_file_segments_container_name option to override the default and put the segments to other container. I'll lock this issue now. @emanuelecasadio AKS is now in GA. Make sure you either upgraded or have necessary patches installed. } Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Re-logging via "az login". TLS handshake: Time spent completing a TLS handshake. rev2023.7.17.43537. Is there a problem in that region? "id": "/subscriptions/OBFUSCATED/resourcegroups/dsK8S/providers/Microsoft.ContainerService/managedClusters/dsK8SCluster", Already on GitHub? The series are sorted lexicographically by their label sets. // Optional maximum number of idle (keep-alive) connections across all hosts. The same curl from a node itself would also hang. I am still facing this issue while running the "kubectl get nodes" command. Every postings offset entry holds the label name/value pair and the offset to its series list in the postings section. (e.g to not confuse with Prometheus replicas), NOTE: Currently supported index file versions: v1 and v2. @nurzhan86 did you use cert-manger in your k8s cluster? When the index is written, an arbitrary number of padding bytes may be added between the lined out main sections above. I've tried numerous commands, restarting nodes, etc. Receiving Gateway timeout when running a Prometheus query . You switched accounts on another tab or window. }, We read every piece of feedback, and take your input very seriously. :), I do not think I would have found this by myself, thank you so much. The http_config field is optional for optimize HTTP transport settings. Have a question about this project? Correcting System Time: It is one of the easiest and most obvious fixes. privacy statement. Result: User no longer see "remote error: tls: bad certificate" errors in component logs. 2023: https://marketing.csdn.net/p/1738cda78d47b2ebb920916aab7c3584?utm_source=csdn_ai_ada_redpacket Fairly low network traffic. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. "clusterAdmin": { If so, please tell us. I enabled "rbac" with the AKS create command., az aks create --resource-group my-AKS-resource-group --name my-AKS-Cluster --node-count 3 --generate-ssh-keys --enable-rbac. Then the time series will go away automatically if the host is gone. The sequence of postings sections is finalized by a postings offset table containing postings offset entries that points to the beginning of each postings section for a given label pair. This means that any modification like rewrite deletion or compaction has to be done by creating a new block and removing (with delay!) We've been hitting this for a year, and the explanation earlier was that we were using a preview version of AKS cluster. Check the checklist in thanos-io/objstore for more comprehensive information! but the timeout still 30s, What happened? The maximum size per segment file is 512MiB. I have added scrape config for servers. { For more details please refer to: https://github.com/Azure/AKS/blob/master/preview_regions.md. Powered by Discourse, best viewed with JavaScript enabled, Define timeout for Prometheus queries in Grafana, Did you receive any errors in the Grafana UI or in related logs? Why is the Work on a Spring Independent of Applied Force? This is why its recommended to have receive_ prefix to all receive labels. I get this regardless of using West US 2 or UK West: This will enable clean cuts of metrics as well, as even with a TTL you will either lose metrics too early or you will have a lot of overlap between dead and alive instances. Thoughts? By default Thanos will use endpoint: https://sts.amazonaws.com and AWS region corresponding endpoints. Most of the sections described below start with a len field. Why can you not divide both sides of the equation, when working with exponential functions? SSE can be configued using the sse_config. I receive the errors for both providers, the Hetzner Cloud provider as well as the OVH provider. Timeouts can never be longer than the timeout provided by Prometheus. This issue seems to appear when there are many certificates stored in the MacOS keychain. "accessProfiles": { kubectl get pods --insecure-skip-tls-verify=true gives below error TLS Handshake Timeout with kubernetes on vmware-fusion vagrant provider. O11y toolkit oy-scrape-jitter , @[TOC] This mirrored the behaviour I saw with kubectl. I've now torn down this cluster but this has happened three times today. The metric would still be ingested by Prometheus upon every scrape from the pushgateway and get a server-side current timestamp attached. { but there should be something better.
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