Releases · dalibo/temboard

!!! warning

temBoard UI 8.0 is compatible with temBoard agent 7.11 to ease migration.
Upgrade UI first and then upgrade agents one at a time.

temBoard agent 8 is **NOT** compatible with temBoard UI 7.11.

This release requires specific upgrade instructions.
See [Server Upgrade](server_upgrade.md) and [Agent Upgrade](agent_upgrade.md) for details.

Breaking changes

temBoard UI dropped support for Internet Explorer 8. You may have issues with
browsers older than 5 years.
Dropped support for PostgreSQL 9.5 and 9.4. For both UI and agent.
Dropped key-only authentication on agent. Access to UI grants full access on managed agent.
New CLI for both UI and agent. temboard and temboard-agent are the single CLI entrypoints.
- Removed temboard --debug CLI option.
- Dropped commands temboard-agent-adduser and temboard-agent-password.
- Commands temboard-migratedb, temboard-agent-register are moved as
  subcommands of temboard and temboard-agent.
temBoard UI dropped push-metrics handler from pre-6.0 push metric collect.
temBoard UI RPM does not execute auto_configure.sh upon installation.
temBoard UI RPM does not create temboard UNIX user. Use auto_configure.sh
instead.
temBoard Agent RPM does not create postgres UNIX user. Use PostgreSQL packages instead.
Packages does not provide logrotate configuration anymore. temBoard can still
log to file.
pg_ctl agent parameter must not be quoted now, in temboard-agent.conf.
Agent auto_configure.sh now requires a parameter: the UI url.
temBoard agent does not provide legacy single-installation systemd unit file
temboard-agent.service in favor of [email protected].
temBoard agent debian package does not provide legacy temboard-agent.init
SysV script. Use sytemd instead.
temBoard agent auto_configure.sh now generates a single configuration file
instead of temboard-agent.conf.d/auto.conf.
temBoard agent auto_configure.sh does not configure file logging anymore.
Dropped temBoard agent HTTP endpoint /monitoring/probe/*, some
/dashboard/ probes and more. Use temboard routes and temboard-agent routes to inspect availables HTTP URLs.
Docker image for agent now configures agent with auto_configure.sh.
temBoard agent configuration moved from /etc/temboard-agent to
/etc/temboard-agent/<cluster_name>.

Deprecation

Running temBoard UI with Python 2.7 and Python 3.5 is deprecated. All RPM and
deb packages ships with Python 3.
Debian stretch support is deprecated (EOL June 2022).

New Features

PostgreSQL 15 support.
Unified authentication. Signing in UI open full DBA access to agents, without
double login.
Register instance without querying UI API using temboard register-instance.
Download instance inventory as CSV.
Automatically refresh introspection data from agent.
New About temBoard page with detailed installation's informations.
New About instance page with PostgreSQL, system and agent informations.
OpenMetrics endpoint. Accessible using temBoard UI as authenticating proxy to
agent.
RHEL9, Debian Bookworm (testing) packages.
Increase agent OOM score with systemd.
Restyled documentation with improved search and navigation.

Changes

Each temBoard release has it's own docker tag. e.g. dalibo/temboard:8.0,
dalibo/temboard:8.0rc1, etc. See Docker Hub repositories dalibo/temboard
and dalibo/temboard-agent.
Streamlined docker images, basing on Debian Bullseye, with temBoard installed
with APT instead of pip.
Restart scheduler and worker pool background processes on crash.
Improved error logging. Log format is now Postgres-like.

UI changes

Sign agent requests with an asymetric cryptographic key. New agent does not
require double authentification anymore.
New command temboard generate-key for generating signing key.
New database migration engine. Dropped dependency on Alembic, Mako, etc.
Move temboard-migratedb as temboard migratedb subcommand.
New command temboard tasks flush to flush old tasks when upgrading.
Fast collect of monitoring and statements metrics upon agent registration.
Format PostgreSQL start time in dashboard as relative date.
temBoard UI waits for locks in monitoring collect. Abort long collect
task. New parameter [monitoring] collect_max_duration.
temBoard UI now has API key authorization, use for /metrics proxy to agent.
New temBoard UI parameter [auth] allowed_ip to restrict API Key
authorization. By default, only 127/8 is allowed.
Improved refresh error handling in dashboard, activity and home page. Error
are now inlined instead of modal.
temBoard UI now accept to serve plain HTTP. For development purpose.
New commands temboard query-agent, temboard routes, temboard tasks run, temboard tasks schedule and temboard web for debugging.
Handle SIGCHLD in temboard UI too. No more zombies.
Limit activity view to 300 longest queries.

Agent changes

Unified authentification: agent now uses UI as source of identity.
Dropped users file and related configuration.
New command temboard-agent fetch-key to accept UI signing key.
New option: [temboard] ui_url, pointing to UI URL.
auto_configure.sh conditionnaly enable statements plugins.
Move temboard-agent-register as temboard-agent register subcommand.
New command temboard-agent discover to introspect temBoard agent, system
and PostgreSQL.
Refresh discover data on startup and Postgres connection recovery.
temBoard agent pools connections to PostgreSQL used by web API, reducing
connections stress on PostgreSQL.
Heavily reduction of connection opened by dashboard.
Drop agent configuration postgresql:instance in favor of Postgres
setting cluster_name.
Add new unified sessions and detailed locks endpoint.
temBoard agent now depends on cryptography and bottle.
New subcommands temboard-agent routes, temboard-agent tasks run and
temboard-agent web for debugging.
Monitoring purge_after default value is now set to 730 (2 years), it was empty
before (no limit).

Fix performances issues with monitoring.
Show runtime libpq version in logs and --version.
Authenticate with agent using both header and query arg. 8.0 will remove
query arg auth.
Packages for bullseye for both UI and agent.
Drop jessie package.
Always set application_name.

Server:

Fix database ownership on creation.
Fix first collector run failure on new agent.
Fix tracebacks when an agent is down.
Fix 'null' instance comment with auto register.
Ship a /usr/share/temboard/sql/reassign.sql script to fix ownership.
Define a shell to temboard UNIX user.
Review defaults temBoard user groups.
Optionnal performance tracing in temBoard UI logs.
Moving to Python3 on stretch, buster and bullseye.
Drop another tooltip breaking dropdown menu.
Monitoring: Time SQL queries for archive and aggregation.
systemctl reload temboard now reload temBoard configuration.

Agent:

Fix database probes always executed on same database.
Reduce reconnexion in monitoring probes.
Explicitily requires psycopg2 2.7+ on debian.
Ignore loopback and tmpfs file systems.
Drop Python2 support
Build RHEL8 package with RockyLinux 8.

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Releases: dalibo/temboard

8.0

8.0b6

8.0b5

8.0b4

8.0b3

8.0b2

8.0b1

7.11

7.10

7.9