- Enable additional dependencies (gprc, json, libcurl, libelf,
  libwebsockets, protobuf, snappy, xenstat, yajl)
- Update to v1.28.0 (go.d.plugin 0.26.2)
Release v1.28.0 is a hotfix release to address a deadlock in the
Netdata Agent. If the Agent-Cloud link (ACLK) connection drops and
the Agent fails to queue an on_connect message, it also fails to
properly release a lock in the web server thread.
- Changes in v1.27.0:
The v1.27.0 release of the Netdata Agent brings dramatic
improvements to long-term metrics storage via the database engine,
and new dashboard features like a time & date picker for
visualizing precise timeframes. Two new collectors bring incredible
new value to existing features, including a bit of machine learning
magic.
This release contains 8 new collectors, 1 new notification method
(2 others enhanced), 54 improvements, 41 documentation updates, and
58 bug fixes.
Improvements
  * Add labels for Kubernetes pods and containers.
  * Add plugin and module health entities.
  * Migrate the metadata log to SQLite.
  * Add an extent cache to the database engine.
  * Added new data query option allow_past.
Netdata Cloud
  * Add the ability to query child nodes by their GUID.
  * Add child availability messages to the ACLK.
  * Add a metric showing how long a query spent in the queue.
  * Completely hide the SSO iframe.
Collectors
  * Add alarms obsoletion and disable alarms collector by default.
  * Add calls for tcp_sendmsg, tcp_retransmit_skb, tcp_cleanup_rcv,
    udp_sendmsg, udp_recvmsg functions charts to the eBPF
    collector.
  * Add two more insignificant warnings to suppress in anomalies
    collector.
  * Add the number of allocated/stored objects within each storage
    to the varnish collector.
  * Add a wireless statistics collector.
  * Add support for MSE (Massive Storage Engine) to the varnish
    collector.
  * Remove remove crit from unmatched alarms in the web_log
    collector.
  * Add GPU key metrics (nvidia_smi collector) to
    dashboard_info.js.
  * Add allocated space metrics to the oracledb collector.
  * Restructure the eBPF collector to improve usability.
  * Add an anomaly detection collector.
  * Add a Netdata alarms collector.
  * Add a configuration option to exclude users with zero memory
    allocated to the nvidia_smi collector.
  * Add per queue charts to the rabbitmq collector.
  * Add support for HBA drives to the hpssa collector.
  * Update the cgroups collector default filtering by adding pod
    level cgroups.
  * Add a Go version of the CouchDB collector (couchdb).
  * Add collecting HTTP method per URL pattern (url_pattern option)
    to the web_log collector.
  * Add custom time fields feature to the web_log collector.
  * Add a Go version of the PowerDNS Authoritative Nameserver
    collector (powerdns).
  * Add a Go version of the PowerDNS Recursor collector
    (powerdns_recursor).
  * Add a Go version of the PowerDNS DNSdist collector (dnsdist).
  * Add a Dnsmasq DNS Forwarder collector (dnsmasq).
  * Add collecting directories size to the filecheck collector.
  * Add old systemd versions support to the systemdunits collector.
  * Add unmatched lines logging to the web_log collector.
Notifications
  * Add API V2 support to the PagerDuty health integration.
  * Add threads support to the Google Hangouts health integration.
  * Add a Opsgenie health integration.
Exporting
  * Add HTTP and HTTPS support to the simple exporting connector.
Packaging/installation
  * Update React dashboard v2.11.
  * Update go.d.plugin version to v0.26.2.
  * Update eBPF collector to 0.4.9.
  * Add ability to use system libwebsockets instead of bundled
    version.
  * Update the version of libJudy that we bundle to 1.0.5-netdata2.
Bug fixes
  * Fix crash in the eBPF plugin by initializing variables.
  * Fix sending chart definition on every data collection in alarms
    collector.
  * Fix a lock check.
  * Fix issue with chart metadata sent multiple times over ACLK.
  * Fix a buffer overflow when extracting information from a
    streaming connection.
  * Fix hostname configuration in the exporting engine.
  * Fix units and data source exporting options.
  * Fix exporting config.
  * Fix health by disabling used_file_descriptors alarm.
  * Fix GPU data filtering in the nvidia_smi collector.
  * Fix username resolution in the nvidia_smi collector.
  * Fix compilation with HTTPS disabled.
  * Fix hostname when syslog is used in syslog health integration.
  * Fix streaming buffer size.
  * Fix database endless loop when cleaning obsolete charts.
  * Disable chart obsoletion code for archived chart creation.
  * Fix Prometheus remote write exporter so that it doesn't stop
    when data is not available for dimension formatting.
  * Fix memory calculation by moving shared from cached to used
    dimension.
  * Fix parsing in the libreswan collector.
  * Fix an infinite loop in the statsd plugin
  * Disregard host tags configuration pointer.
  * Fix platform dependent printf format.
  * Fix cgroups collector resolving container names in k8s.
  * Fix python.d plugin runtime chart creation.
  * Fix race condition in rrdset_first_entry_t() and
    rrdset_last_entry_t().
  * Fix the data endpoint so that the context param is correctly
    applied to children.
  * Fix Coverity errors (CID 364045,364046).
  * Fix the elasticsearch_last_collected alarm.
  * Fix spelling error in xenstat.plugin.
  * Fix chart filtering.
  * Fix libnetdata headers to be compatible with C++.
  * Fix registry responses to remove caching.
  * Fix eBPF memory management.
  * Fix overlapping memory issue.
  * Fix response and upstream response time histogram charts in the
    web_log collector.
  * Fix logs timestamps always in UTC issue in the go.d.plugin
  * Fix collecting slave status for MariaDB v10.2.0- in the mysql
    collector
  * Fix cumulative_stats configuration option in the unbound
    collector
  * Fix parsing configuration file (respect 'include-toplevel'
    directive) in unbound collector
  * Fix handling charts with type.id >= 200 (netdata limit) in
    go.d.plugin
  * Fix parsing version query response in the mysql collector
  * Fix Netsplits chart dimensions algorithm in the the vernemq
    collector.
  * Fix a typo in dashboard_info.js for VerneMQ.

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