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2020-06-12Change streaming terminology to parent/child in docs (#9312)Joel Hans
* Intial pass through docs * Dash instead of slash * To parent/child * Child nodes * Change diagrams * Allowlist * Fixes for Andrew * Remove from build_external * Change in proc
2020-06-12Change streaming terminology to parent-child in the code (#9323)Andrew Moss
2020-06-03Fix bugs in streaming and enable support for gap filling (#9214)Andrew Moss
This PR adds (inactive) support that we will use to fill the gaps on chart when a receiving agent goes offline and the sender reconnects. The streaming component has been reworked to make the connection bi-directional and fix several outstanding bugs in the area. * Fixed an incorrect case of version negotiation. Removed fatal() on exhaustion of fds. * Fixed cases that fell through to polling the socket after closing. * Fixed locking of data related to sender and receiver in the host structure. * Added fine-grained locks to reduce contention. * Added circular buffer to sender to prevent starvation in high-latency conditions. * Fixed case where agent is a proxy and negotiated different streaming versions with sender and receiver. * Changed interface to new parser to put the buffering code in streaming. * Fixed the bug that stopped senders from reconnecting after their socket times out - this was part of the scaling fixes that provide an early shortcut path for rejecting connections without lock contention. * Uses fine-grained locking and a different approach to thread shutdown instead. * Added liveness detection to connections to allow selection of the best connection.
2020-05-11Enable support for Netdata Cloud.Andrew Moss
This PR merges the feature-branch to make the cloud live. It contains the following work: Co-authored-by: Andrew Moss <1043609+amoss@users.noreply.github.com(opens in new tab)> Co-authored-by: Jacek Kolasa <jacek.kolasa@gmail.com(opens in new tab)> Co-authored-by: Austin S. Hemmelgarn <austin@netdata.cloud(opens in new tab)> Co-authored-by: James Mills <prologic@shortcircuit.net.au(opens in new tab)> Co-authored-by: Markos Fountoulakis <44345837+mfundul@users.noreply.github.com(opens in new tab)> Co-authored-by: Timotej S <6674623+underhood@users.noreply.github.com(opens in new tab)> Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com(opens in new tab)> * dashboard with new navbars, v1.0-alpha.9: PR #8478 * dashboard v1.0.11: netdata/dashboard#76 Co-authored-by: Jacek Kolasa <jacek.kolasa@gmail.com(opens in new tab)> * Added installer code to bundle JSON-c if it's not present. PR #8836 Co-authored-by: James Mills <prologic@shortcircuit.net.au(opens in new tab)> * Fix claiming config PR #8843 * Adds JSON-c as hard dep. for ACLK PR #8838 * Fix SSL renegotiation errors in old versions of openssl. PR #8840. Also - we have a transient problem with opensuse CI so this PR disables them with a commit from @prologic. Co-authored-by: James Mills <prologic@shortcircuit.net.au(opens in new tab)> * Fix claiming error handling PR #8850 * Added CI to verify JSON-C bundling code in installer PR #8853 * Make cloud-enabled flag in web/api/v1/info be independent of ACLK build success PR #8866 * Reduce ACLK_STABLE_TIMEOUT from 10 to 3 seconds PR #8871 * remove old-cloud related UI from old dashboard (accessible now via /old suffix) PR #8858 * dashboard v1.0.13 PR #8870 * dashboard v1.0.14 PR #8904 * Provide feedback on proxy setting changes PR #8895 * Change the name of the connect message to update during an ongoing session PR #8927 * Fetch active alarms from alarm_log PR #8944
2020-04-22Add http headers to responses (#8760)Andrew Moss
The MQTT payloads for responses to API requests from the cloud now include a headers field with the raw http headers encoded into unicode. This exposes the `Date` and `Expired` fields to the cloud backend.
2020-04-13Revert "Revert changes since v1.21 in pereparation for hotfix release."Austin S. Hemmelgarn
This reverts commit e2874320fc027f7ab51ab3e115d5b1889b8fd747.
2020-04-13Revert changes since v1.21 in pereparation for hotfix release.Austin S. Hemmelgarn
2020-04-06Docs: Change MacOS to macOS (#8562)Joel Hans
* Change MacOS to macOS * Change Mac as noun to macOS system
2020-03-10Bulk add frontmatter to all documentation (#8354)Joel Hans
* Bulk add frontmatter * A few extra edge cases
2020-03-10Improve ACLK according to results of the smoke-test. (#8358)Andrew Moss
* Cleaning up the ACLK part 2 (#8187) * Initial proxy support implementation (#8146) * Implement the ACLK Challenge-Response Authentication (#8317) Co-authored-by: Timo <6674623+underhood@users.noreply.github.com>
2020-02-24Merging the feature branch for the ACLK in the previous sprint. (#8179)Andrew Moss
* ACLK connection and protocol improvements (#8139) * Adding ACLK retry on connection failure (#8147) * Fixed reconnect issues on the ACLK. (#8163) * Cleaning up ACLK - part 1 (#8167) Co-authored-by: Stelios Fragkakis <52996999+stelfrag@users.noreply.github.com>
2020-02-21Added support for cross-host docker-compose builds (#7754)Andrew Moss
The new file in the build_external directory allow cross-host builds (i.e. building Netdata for a Debian system on a Fedora host). The build and execution is wrapped inside docker containers with an appropriate user-land, based on the package builder base images. These containers can be orchestrated into more complex testing environments (e.g. master-slave streaming setups or the ACLK). Rebuilding the netdata agent inside the containers is an incremental build-step (to improve dev time) rather than a clean install.