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[CI:DOCS] Spec proposal
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The current Libpod pkg/spec has become a victim of the better
part of three years of development that tied it extremely closely
to the current Podman CLI. Defaults are spread across multiple
places, there is no easy way to produce a CreateConfig that will
actually produce a valid container, and the logic for generating
configs has sprawled across at least three packages.
This is an initial pass at a package that generates OCI specs
that will supersede large parts of the current pkg/spec. The
CreateConfig will still exist, but will effectively turn into a
parsed CLI. This will be compiled down into the new SpecGenerator
struct, which will generate the OCI spec and Libpod create
options.
The preferred integration point for plugging into Podman's Go API
to create containers will be the new CreateConfig, as it's less
tied to Podman's command line. CRI-O, for example, will likely
tie in here.
Signed-off-by: Matthew Heon <mheon@redhat.com>
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Signed-off-by: Sascha Grunert <sgrunert@suse.com>
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In Podman 1.6.3, we added support for anonymous volumes - fixing
our old, broken support for named volumes that were created with
containers. Unfortunately, this reused the database field we used
for the old implementation, and toggled volume removal on for
`podman run --rm` - so now, we were removing *named* volumes
created with older versions of Podman.
We can't modify these old volumes in the DB, so the next-safest
thing to do is swap to a new field to indicate volumes should be
removed. Problem: Volumes created with 1.6.3 and up until this
lands, even anonymous volumes, will not be removed. However, this
is safer than removing too many volumes, as we were doing before.
Fixes #5009
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Get the layer's size whether it relates to the first history entry or
not. This fixes issues where the first entry would always be shown
to be of size 0.
Fixes: #4916
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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When a container specification has a pull policy, we should honor it when recreating the pods/containers from yaml. furthermore, ini kube, if a tag is :latest, then the always pull policy is automatically instituted.
Fixes: #4880
Signed-off-by: Brent Baude <bbaude@redhat.com>
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when a docker image has a defined healthcheck, it should be displayed with inspect. this is only valid for docker images as oci images are not aware of healthchecks.
Fixes: #4799
Signed-off-by: Brent Baude <bbaude@redhat.com>
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APIv2 review corrections #3
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The third pass of corrections for the APIv2.
Signed-off-by: Brent Baude <bbaude@redhat.com>
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Default CPUShares in Inspect are 1024
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This is purely a display change - we weren't initializing the
default value to display for the CPUShares field, which defaults
to 1024.
Fixes #4822
Signed-off-by: Matthew Heon <mheon@redhat.com>
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Add API review comments to correct documentation and endpoints. Also, add a libpode prune method to reduce code duplication. Only used right now for the API but when the remote client is wired, we will switch over there too.
Signed-off-by: Brent Baude <bbaude@redhat.com>
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oci_conmon: do not create a cgroup under systemd
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Detect whether we are running under systemd (if the INVOCATION_ID is
set). If Podman is running under a systemd service, we do not need to
create a cgroup for conmon.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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it allows to disable cgroups creation only for the conmon process.
A new cgroup is created for the container payload.
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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The new APIv2 branch provides an HTTP-based remote API to Podman.
The requirements of this are, unfortunately, incompatible with
the existing Attach API. For non-terminal attach, we need append
a header to what was copied from the container, to multiplex
STDOUT and STDERR; to do this with the old API, we'd need to copy
into an intermediate buffer first, to handle the headers.
To avoid this, provide a new API to handle all aspects of
terminal and non-terminal attach, including closing the hijacked
HTTP connection. This might be a bit too specific, but for now,
it seems to be the simplest approach.
At the same time, add a Resize endpoint. This needs to be a
separate endpoint, so our existing channel approach does not work
here.
I wanted to rework the rest of attach at the same time (some
parts of it, particularly how we start the Attach session and how
we do resizing, are (in my opinion) handled much better here.
That may still be on the table, but I wanted to avoid breaking
existing APIs in this already massive change.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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Move the top logic from pkg/adapter into the (*libpod.Container).Top().
This way, we drop the dependency from pkg/api on pkg/adapters and have
a clearer separation of concerns.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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oci_conmon: not make accessible dirs if not needed
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do not change the permissions mask for the rundir and the tmpdir when
running a container with a user namespace and the current user is
mapped inside the user namespace.
The change was introduced with
849548ffb8e958e901317eceffdcc2d918cafd8d, that dropped the
intermediate mount namespace in favor of allowing root into the user
namespace to access these directories.
Closes: https://github.com/containers/libpod/issues/4846
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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Include the unit tests (i.e., _test.go files) for linting to make the
tests more robust and enforce the linters' coding styles etc.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Fix linting
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`gocritic` is a powerful linter that helps in preventing certain kinds
of errors as well as enforcing a coding style.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Do not configure CNI when slirp4netns is requested
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Our networking code bakes in a lot of assumptions about how
networking should work - that CNI is *always* used with root, and
that slirp4netns is *always* used only with rootless. These are
not safe assumptions. This fixes one particular issue, which
would cause CNI to also be run when slirp4netns was requested as
root.
Fixes: #4687
Signed-off-by: Matthew Heon <mheon@redhat.com>
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Add codespell to validate spelling mistakes in code.
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Fix all errors found by codespell
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Add history names to image inspect data
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During writing the tests I found it would be probably useful to have the
tag history part of the inspect data.
Signed-off-by: Sascha Grunert <sgrunert@suse.com>
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log: support --log-opt tag=
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support a custom tag to add to each log for the container.
It is currently supported only by the journald backend.
Closes: https://github.com/containers/libpod/issues/3653
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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it is possible for layers.names to be nil and we must account for that.
Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: baude <bbaude@redhat.com>
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Signed-off-by: Jhon Honce <jhonce@redhat.com>
Create service command
Use cd cmd/service && go build .
$ systemd-socket-activate -l 8081 cmd/service/service &
$ curl http://localhost:8081/v1.24/images/json
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Correct Makefile
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Two more stragglers
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Report errors back as http headers
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Split out handlers, updated output
Output aligned to docker structures
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Refactored routing, added more endpoints and types
* Encapsulated all the routing information in the handler_* files.
* Added more serviceapi/types, including podman additions. See Info
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Cleaned up code, implemented info content
* Move Content-Type check into serviceHandler
* Custom 404 handler showing the url, mostly for debugging
* Refactored images: better method names and explicit http codes
* Added content to /info
* Added podman fields to Info struct
* Added Container struct
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Add a bunch of endpoints
containers: stop, pause, unpause, wait, rm
images: tag, rmi, create (pull only)
Signed-off-by: baude <bbaude@redhat.com>
Add even more handlers
* Add serviceapi/Error() to improve error handling
* Better support for API return payloads
* Renamed unimplemented to unsupported these are generic endpoints
we don't intend to ever support. Swarm broken out since it uses
different HTTP codes to signal that the node is not in a swarm.
* Added more types
* API Version broken out so it can be validated in the future
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Refactor to introduce ServiceWriter
Signed-off-by: Jhon Honce <jhonce@redhat.com>
populate pods endpoints
/libpod/pods/..
exists, kill, pause, prune, restart, remove, start, stop, unpause
Signed-off-by: baude <bbaude@redhat.com>
Add components to Version, fix Error body
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Add images pull output, fix swarm routes
* docker-py tests/integration/api_client_test.py pass 100%
* docker-py tests/integration/api_image_test.py pass 4/16
+ Test failures include services podman does not support
Signed-off-by: Jhon Honce <jhonce@redhat.com>
pods endpoint submission 2
add create and others; only top and stats is left.
Signed-off-by: baude <bbaude@redhat.com>
Update pull image to work from empty registry
Signed-off-by: Jhon Honce <jhonce@redhat.com>
pod create and container create
first pass at pod and container create. the container create does not
quite work yet but it is very close. pod create needs a partial
rewrite. also broken off the DELETE (rm/rmi) to specific handler funcs.
Signed-off-by: baude <bbaude@redhat.com>
Add docker-py demos, GET .../containers/json
* Update serviceapi/types to reflect libpod not podman
* Refactored removeImage() to provide non-streaming return
Signed-off-by: Jhon Honce <jhonce@redhat.com>
create container part2
finished minimal config needed for create container. started demo.py
for upcoming talk
Signed-off-by: baude <bbaude@redhat.com>
Stop server after honoring request
* Remove casting for method calls
* Improve WriteResponse()
* Update Container API type to match docker API
Signed-off-by: Jhon Honce <jhonce@redhat.com>
fix namespace assumptions
cleaned up namespace issues with libpod.
Signed-off-by: baude <bbaude@redhat.com>
wip
Signed-off-by: baude <bbaude@redhat.com>
Add sliding window when shutting down server
* Added a Timeout rather than closing down service on each call
* Added gorilla/schema dependency for Decode'ing query parameters
* Improved error handling
* Container logs returned and multiplexed for stdout and stderr
* .../containers/{name}/logs?stdout=True&stderr=True
* Container stats
* .../containers/{name}/stats
Signed-off-by: Jhon Honce <jhonce@redhat.com>
Improve error handling
* Add check for at least one std stream required for /containers/{id}/logs
* Add check for state in /containers/{id}/top
* Fill in more fields for /info
* Fixed error checking in service start code
Signed-off-by: Jhon Honce <jhonce@redhat.com>
get rest of image tests for pass
Signed-off-by: baude <bbaude@redhat.com>
linting our content
Signed-off-by: baude <bbaude@redhat.com>
more linting
Signed-off-by: baude <bbaude@redhat.com>
more linting
Signed-off-by: baude <bbaude@redhat.com>
pruning
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]apiv2 pods
migrate from using args in the url to using a json struct in body for
pod create.
Signed-off-by: baude <bbaude@redhat.com>
fix handler_images prune
prune's api changed slightly to deal with filters.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]enabled base container create tests
enabling the base container create tests which allow us to get more into
the stop, kill, etc tests. many new tests now pass.
Signed-off-by: baude <bbaude@redhat.com>
serviceapi errors: append error message to API message
I dearly hope this is not breaking any other tests but debugging
"Internal Server Error" is not helpful to any user. In case, it
breaks tests, we can rever the commit - that's why it's a small one.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
serviceAPI: add containers/prune endpoint
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
add `service` make target
Also remove the non-functional sub-Makefile.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
add make targets for testing the service
* `sudo make run-service` for running the service.
* `DOCKERPY_TEST="tests/integration/api_container_test.py::ListContainersTest" \
make run-docker-py-tests`
for running a specific tests. Run all tests by leaving the env
variable empty.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Split handlers and server packages
The files were split to help contain bloat. The api/server package will
contain all code related to the functioning of the server while
api/handlers will have all the code related to implementing the end
points.
api/server/register_* will contain the methods for registering
endpoints. Additionally, they will have the comments for generating the
swagger spec file.
See api/handlers/version.go for a small example handler,
api/handlers/containers.go contains much more complex handlers.
Signed-off-by: Jhon Honce <jhonce@redhat.com>
[CI:DOCS]enabled more tests
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]libpod endpoints
small refactor for libpod inclusion and began adding endpoints.
Signed-off-by: baude <bbaude@redhat.com>
Implement /build and /events
* Include crypto libraries for future ssh work
Signed-off-by: Jhon Honce <jhonce@redhat.com>
[CI:DOCS]more image implementations
convert from using for to query structs among other changes including
new endpoints.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]add bindings for golang
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]add volume endpoints for libpod
create, inspect, ls, prune, and rm
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]apiv2 healthcheck enablement
wire up container healthchecks for the api.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]Add mount endpoints
via the api, allow ability to mount a container and list container
mounts.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]Add search endpoint
add search endpoint with golang bindings
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]more apiv2 development
misc population of methods, etc
Signed-off-by: baude <bbaude@redhat.com>
rebase cleanup and epoch reset
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]add more network endpoints
also, add some initial error handling and convenience functions for
standard endpoints.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]use helper funcs for bindings
use the methods developed to make writing bindings less duplicative and
easier to use.
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]add return info for prereview
begin to add return info and status codes for errors so that we can
review the apiv2
Signed-off-by: baude <bbaude@redhat.com>
[CI:DOCS]first pass at adding swagger docs for api
Signed-off-by: baude <bbaude@redhat.com>
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exec: fix pipes
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In a largely anticlimatic solution to the saga of piped input from conmon, we come to this solution.
When we pass the Stdin stream to the exec.Command structure, it's immediately consumed and lost, instead of being consumed through CopyDetachable().
When we don't pass -i in, conmon is not told to create a masterfd_stdin, and won't pass anything to the container.
With both, we can do
echo hi | podman exec -til cat
and get the expected hi
Signed-off-by: Peter Hunt <pehunt@redhat.com>
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Previously, rootlessport was using /var/tmp as the tmp dir.
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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Golint claims that image.Image stutters but renaming the type would be a
breaking change which isn't worth the consequences.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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RootlessKit port forwarder has a lot of advantages over the slirp4netns port forwarder:
* Very high throughput.
Benchmark result on Travis: socat: 5.2 Gbps, slirp4netns: 8.3 Gbps, RootlessKit: 27.3 Gbps
(https://travis-ci.org/rootless-containers/rootlesskit/builds/597056377)
* Connections from the host are treated as 127.0.0.1 rather than 10.0.2.2 in the namespace.
No UDP issue (#4586)
* No tcp_rmem issue (#4537)
* Probably works with IPv6. Even if not, it is trivial to support IPv6. (#4311)
* Easily extensible for future support of SCTP
* Easily extensible for future support of `lxc-user-nic` SUID network
RootlessKit port forwarder has been already adopted as the default port forwarder by Rootless Docker/Moby,
and no issue has been reported AFAIK.
As the port forwarder is imported as a Go package, no `rootlesskit` binary is required for Podman.
Fix #4586
May-fix #4559
Fix #4537
May-fix #4311
See https://github.com/rootless-containers/rootlesskit/blob/v0.7.0/pkg/port/builtin/builtin.go
Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>
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[Issue #4703] Add the pod name when we use `podman ps -p`
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The pod name does not appear when doing `podman ps -p`.
It is missing as the documentation says:
-p, --pod Print the ID and name of the pod the containers are associated with
The pod name is added in the ps output and checked in unit tests.
Closes #4703
Signed-off-by: NevilleC <neville.cain@qonto.eu>
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Currently, if a user requests the size on a container (inspect --size -t container),
the SizeRw does not show up if the value is 0. It's because InspectContainerData is
defined as int64 and there is an omit when empty.
We do want to display it even if the value is empty. I have changed the type of SizeRw to be a pointer to an int64 instead of an int64. It will allow us todistinguish the empty value to the missing value.
I updated the test "podman inspect container with size" to ensure we check thatSizeRw is displayed correctly.
Closes #4744
Signed-off-by: NevilleC <neville.cain@qonto.eu>
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when removing an image from storage, we should return a struct that
details what was untagged vs deleted. this replaces the simple
println's used previously and assists in API development.
Signed-off-by: baude <bbaude@redhat.com>
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if container is not in a pid namespace, stop all processes
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When a container is in a PID namespace, it is enought to send
the stop signal to the PID 1 of the namespace, only send signals
to all processes in the container when the container is not in
a pid namespace.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Remove volumes after containers in pod remove
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When trying to reproduce #4704 I noticed that the named volumes
from the Postgres containers in the reproducer weren't being
removed by `podman pod rm -f` saying that the container they were
attached to was still in use. This was rather odd, considering
they were only in use by one container, and that container was in
the process of being removed with the pod.
After a bit of tracing, I realized that the cause is the ordering
of container removal when we remove a pod. Normally, it's done
in removeContainer() before volume removal (which is the last
thing in that function). However, when we are removing a pod, we
remove containers all at once, after removeContainer has already
finished - meaning the container still exists when we try to
remove its volumes, and thus the volume can't be removed.
Solution: collect a list of all named volumes in use by the pod,
and remove them all at once after every container in the pod is
gone. This ensures that there are no dependency issues.
Signed-off-by: Matthew Heon <matthew.heon@pm.me>
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