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Tom Proctor 74d4652144 cmd/{containerboot,k8s-operator},k8s-operator: new options to expose user metrics (#14035) ... containerboot: Adds 3 new environment variables for containerboot, `TS_LOCAL_ADDR_PORT` (default `"${POD_IP}:9002"`), `TS_METRICS_ENABLED` (default `false`), and `TS_DEBUG_ADDR_PORT` (default `""`), to configure metrics and debug endpoints. In a follow-up PR, the health check endpoint will be updated to use the `TS_LOCAL_ADDR_PORT` if `TS_HEALTHCHECK_ADDR_PORT` hasn't been set. Users previously only had access to internal debug metrics (which are unstable and not recommended) via passing the `--debug` flag to tailscaled, but can now set `TS_METRICS_ENABLED=true` to expose the stable metrics documented at https://tailscale.com/kb/1482/client-metrics at `/metrics` on the addr/port specified by `TS_LOCAL_ADDR_PORT`. Users can also now configure a debug endpoint more directly via the `TS_DEBUG_ADDR_PORT` environment variable. This is not recommended for production use, but exposes an internal set of debug metrics and pprof endpoints. operator: The `ProxyClass` CRD's `.spec.metrics.enable` field now enables serving the stable user metrics documented at https://tailscale.com/kb/1482/client-metrics at `/metrics` on the same "metrics" container port that debug metrics were previously served on. To smooth the transition for anyone relying on the way the operator previously consumed this field, we also _temporarily_ serve tailscaled's internal debug metrics on the same `/debug/metrics` path as before, until 1.82.0 when debug metrics will be turned off by default even if `.spec.metrics.enable` is set. At that point, anyone who wishes to continue using the internal debug metrics (not recommended) will need to set the new `ProxyClass` field `.spec.statefulSet.pod.tailscaleContainer.debug.enable`. Users who wish to opt out of the transitional behaviour, where enabling `.spec.metrics.enable` also enables debug metrics, can set `.spec.statefulSet.pod.tailscaleContainer.debug.enable` to false (recommended). Separately but related, the operator will no longer specify a host port for the "metrics" container port definition. This caused scheduling conflicts when k8s needs to schedule more than one proxy per node, and was not necessary for allowing the pod's port to be exposed to prometheus scrapers. Updates #11292 --------- Co-authored-by: Kristoffer Dalby <kristoffer@tailscale.com> Signed-off-by: Tom Proctor <tomhjp@users.noreply.github.com>		1 year ago
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addlicense	all: update tools that manage copyright headers	3 years ago
build-webclient	client/web: precompress assets	2 years ago
cloner	cmd/cloner, cmd/viewer, util/codegen: add support for aliases of cloneable types	1 year ago
connector-gen	cmd/connector-gen: add helper tool for wide app connector configurations	2 years ago
containerboot	cmd/{containerboot,k8s-operator},k8s-operator: new options to expose user metrics (#14035)	1 year ago
derper	tsweb: change RequestID format to have a date in it	1 year ago
derpprobe	cmd/derpprobe,prober: add ability to restrict derpprobe to a single region	1 year ago
dist	release/dist/qnap: add qnap target builder	2 years ago
get-authkey	client/tailscale,cmd/{cli,get-authkey,k8s-operator}: set distinct User-Agents	1 year ago
gitops-pusher	cmd/gitops-pusher: ignore previous etag if local acls match control (#13068)	1 year ago
hello	cmd/hello: link to the Hello KB article (#11022)	2 years ago
k8s-nameserver	cmd/k8s-nameserver: fix AAAA record query response (#12412)	2 years ago
k8s-operator	cmd/{containerboot,k8s-operator},k8s-operator: new options to expose user metrics (#14035)	1 year ago
mkmanifest	cmd/mkmanifest, cmd/tailscale, cmd/tailscaled: remove Windows arm32 resources from OSS	3 years ago
mkpkg	go.mod: upgrade nfpm to v2 (#8786)	2 years ago
mkversion	version/mkversion: open-source version generation logic	3 years ago
nardump	all: update copyright and license headers	3 years ago
natc	cmd/natc: fix nil pointer	1 year ago
netlogfmt	all: use Go 1.22 range-over-int	2 years ago
nginx-auth	tailcfg,all: add and use Node.IsTagged()	3 years ago
pgproxy	tsnet: split user facing and backend logging	2 years ago
printdep	cmd/printdep: print correct toolchain URL	3 years ago
proxy-to-grafana	cmd/proxy-to-grafana: add flag for alternative control server	1 year ago
sniproxy	all: use math/rand/v2 more	2 years ago
speedtest	all: update copyright and license headers	3 years ago
ssh-auth-none-demo	all: replace deprecated ioutil references	2 years ago
stunc	cmd/stunc: support user-specified port (#12469)	1 year ago
stund	tsweb: change RequestID format to have a date in it	1 year ago
stunstamp	cmd/stunstamp: add protocol context to timeout logs (#13422)	1 year ago
sync-containers	all: adjust some build tags for plan9	2 years ago
systray	cmd/systray: handle reconnects to IPN bus (#13386)	1 year ago
tailscale	cli: present risk warning when setting up app connector on macOS (#14181)	1 year ago
tailscaled	derp/derphttp: don't link websockets other than on GOOS=js	1 year ago
testcontrol	all: use Go 1.22 range-over-int	2 years ago
testwrapper	cmd/testwrapper: add pkg runtime to output (#13894)	1 year ago
tl-longchain	cmd/tl-longchain: tool to re-sign nodes with long rotation signatures	1 year ago
tsconnect	all: use iterators over slice views more	1 year ago
tsidp	cmd/tsidp: add --dir flag	1 year ago
tsshd	all: update copyright and license headers	3 years ago
tta	cmd/tta: pull out test driver dialing into a type, fix bugs	1 year ago
viewer	cmd/viewer: import types/views when generating a getter for a map field	1 year ago
vnet	tstest/natlab/vnet: add start of IPv6 support	1 year ago
xdpderper	all: add test for package comments, fix, add comments as needed	1 year ago