| Commit message (Collapse) | Author | Age |
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Docker/Moby always create the working directory, and some tools
rely on that behavior (example, woodpecker/drone).
Fixes #11842
Signed-off-by: Michael Scherer <misc@redhat.com>
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libpod: deduplicate ports in db
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The OCICNI port format has one big problem: It does not support ranges.
So if a users forwards a range of 1k ports with podman run -p 1001-2000
we have to store each of the thousand ports individually as array element.
This bloats the db and makes the JSON encoding and decoding much slower.
In many places we already use a better port struct type which supports
ranges, e.g. `pkg/specgen` or the new network interface.
Because of this we have to do many runtime conversions between the two
port formats. If everything uses the new format we can skip the runtime
conversions.
This commit adds logic to replace all occurrences of the old format
with the new one. The database will automatically migrate the ports
to new format when the container config is read for the first time
after the update.
The `ParsePortMapping` function is `pkg/specgen/generate` has been
reworked to better work with the new format. The new logic is able
to deduplicate the given ports. This is necessary the ensure we
store them efficiently in the DB. The new code should also be more
performant than the old one.
To prove that the code is fast enough I added go benchmarks. Parsing
1 million ports took less than 0.5 seconds on my laptop.
Benchmark normalize PortMappings in specgen:
Please note that the 1 million ports are actually 20x 50k ranges
because we cannot have bigger ranges than 65535 ports.
```
$ go test -bench=. -benchmem ./pkg/specgen/generate/
goos: linux
goarch: amd64
pkg: github.com/containers/podman/v3/pkg/specgen/generate
cpu: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
BenchmarkParsePortMappingNoPorts-12 480821532 2.230 ns/op 0 B/op 0 allocs/op
BenchmarkParsePortMapping1-12 38972 30183 ns/op 131584 B/op 9 allocs/op
BenchmarkParsePortMapping100-12 18752 60688 ns/op 141088 B/op 315 allocs/op
BenchmarkParsePortMapping1k-12 3104 331719 ns/op 223840 B/op 3018 allocs/op
BenchmarkParsePortMapping10k-12 376 3122930 ns/op 1223650 B/op 30027 allocs/op
BenchmarkParsePortMapping1m-12 3 390869926 ns/op 124593840 B/op 4000624 allocs/op
BenchmarkParsePortMappingReverse100-12 18940 63414 ns/op 141088 B/op 315 allocs/op
BenchmarkParsePortMappingReverse1k-12 3015 362500 ns/op 223841 B/op 3018 allocs/op
BenchmarkParsePortMappingReverse10k-12 343 3318135 ns/op 1223650 B/op 30027 allocs/op
BenchmarkParsePortMappingReverse1m-12 3 403392469 ns/op 124593840 B/op 4000624 allocs/op
BenchmarkParsePortMappingRange1-12 37635 28756 ns/op 131584 B/op 9 allocs/op
BenchmarkParsePortMappingRange100-12 39604 28935 ns/op 131584 B/op 9 allocs/op
BenchmarkParsePortMappingRange1k-12 38384 29921 ns/op 131584 B/op 9 allocs/op
BenchmarkParsePortMappingRange10k-12 29479 40381 ns/op 131584 B/op 9 allocs/op
BenchmarkParsePortMappingRange1m-12 927 1279369 ns/op 143022 B/op 164 allocs/op
PASS
ok github.com/containers/podman/v3/pkg/specgen/generate 25.492s
```
Benchmark convert old port format to new one:
```
go test -bench=. -benchmem ./libpod/
goos: linux
goarch: amd64
pkg: github.com/containers/podman/v3/libpod
cpu: Intel(R) Core(TM) i7-10850H CPU @ 2.70GHz
Benchmark_ocicniPortsToNetTypesPortsNoPorts-12 663526126 1.663 ns/op 0 B/op 0 allocs/op
Benchmark_ocicniPortsToNetTypesPorts1-12 7858082 141.9 ns/op 72 B/op 2 allocs/op
Benchmark_ocicniPortsToNetTypesPorts10-12 2065347 571.0 ns/op 536 B/op 4 allocs/op
Benchmark_ocicniPortsToNetTypesPorts100-12 138478 8641 ns/op 4216 B/op 4 allocs/op
Benchmark_ocicniPortsToNetTypesPorts1k-12 9414 120964 ns/op 41080 B/op 4 allocs/op
Benchmark_ocicniPortsToNetTypesPorts10k-12 781 1490526 ns/op 401528 B/op 4 allocs/op
Benchmark_ocicniPortsToNetTypesPorts1m-12 4 250579010 ns/op 40001656 B/op 4 allocs/op
PASS
ok github.com/containers/podman/v3/libpod 11.727s
```
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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The new mac address type broke the api docs. While we could
successfully generate the swagger file it could not be viewed in a
browser.
The problem is that the swagger generation create two type definitions
with the name `HardwareAddr` and this pointed back to itself. Thus the
render process was stucked in an endless loop. To fix this manually
rename the new type to MacAddress and overwrite the types to string
because the json unmarshaller accepts the mac as string.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Create a new mac address type which supports json marshal/unmarshal from
and to string. This change is backwards compatible with the previous
versions as the unmarshal method still accepts the old byte array or
base64 encoded string.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Make Podman more tolerant when parsing image volumes during container
creation and further fix an infinite loop when checking them.
Consider `VOLUME ['/etc/foo', '/etc/bar']` in a Containerfile. While
it looks correct to the human eye, the single quotes are wrong and yield
the two volumes to be `[/etc/foo,` and `/etc/bar]` in Podman and Docker.
When running the container, it'll create a directory `bar]` in `/etc`
and a directory `[` in `/` with two subdirectories `etc/foo,`. This
behavior is surprising to me but how Docker behaves. We may improve on
that in the future. Note that the correct way to syntax for volumes in
a Containerfile is `VOLUME /A /B /C` or `VOLUME ["/A", "/B", "/C"]`;
single quotes are not supported.
This change restores this behavior without breaking container creation
or ending up in an infinite loop.
BZ: https://bugzilla.redhat.com/show_bug.cgi?id=2014149
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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So far, the infra containers of pods required pulling down an image
rendering pods not usable in disconnected environments. Instead, build
an image locally which uses local pause binary.
Fixes: #10354
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Fixes: https://github.com/containers/podman/issues/11727
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Fixes: https://github.com/containers/podman/issues/11016
[NO NEW TESTS NEEDED] We have no easy way to tests this in
CI/CD systems. Requires quota to be setup on directories to work.
Fixes: https://github.com/containers/podman/issues/11016
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Along with a couple of nits found by Ed.
[NO NEW TESTS NEEDED]
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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Use SplitN(2) when copying env variables
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Environment variables whose value contained an equal sign where
truncated
Fixes #11891
Signed-off-by: Jhon Honce <jhonce@redhat.com>
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Signed-off-by: chenkang <kongchen28@gmail.com>
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Fix: https://github.com/containers/podman/issues/11913
Signed-off-by: chenkang <kongchen28@gmail.com>
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Vendor the latest HEAD in c/common to pull in changes for a faster
inspection of images. Previously, only the size computation was
optional, now the one for the parent image is as well.
In many cases, the parent image is not needed but it takes around 10ms
on my local machine. With this change, we cut off 10ms from many code
paths, most importantly, container creation.
[NO NEW TESTS NEEDED]
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Pod Events Logging Fix
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on create, libpod was only creating a new event if the pod had an infra container.
now, pod creation triggers a new pod event with or without infra
Signed-off-by: cdoern <cdoern@redhat.com>
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added support for a volumes from container. this flag just required movement of the volumes-from flag declaration
out of the !IsInfra block, and minor modificaions to container_create.go
Signed-off-by: cdoern <cdoern@redhat.com>
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Add podman play kube --no-hosts options
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This option will setup the containers to not modify their /etc/hosts
file and just use the one from the image.
Fixes: https://github.com/containers/podman/issues/9500
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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pkg/specgen: cache image in generator
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To prevent expensive redundant lookups and inspects on the same image,
cache the image in the generator. Note that once a given image has been
inspected, subsequent calls will use the libimage-internal cache.
[NO TESTS NEEDED] since it is no functional change.
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Pod Device-Read-BPS support
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added the option for the user to specify a rate, in bytes, at which they would like to be able
to read from the device being added to the pod. This is the first in a line of pod device options.
WARNING: changed pod name json tag to pod_name to avoid confusion when marshaling with the containerspec's name
Signed-off-by: cdoern <cdoern@redhat.com>
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Add expose type map[uint16]string to description
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Swagger-go doesn't generate the types correctly for some
complicated structs. We are seeing this with the expose option
for container create, it is showing up as any. Add a line
to the description to highlight that the type is map[uint16]string.
[NO TESTS NEEDED]
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
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Allow a value of -1 to set unlimited pids limit
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Users can set --pids-limit to -1 now to set unlimited
pids limit for a container - this matches the convention.
[NO TESTS NEEDED]
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
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kube: fix conversion from milliCPU to period/quota
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Closes: https://github.com/containers/podman/issues/11803
Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
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When using play kube and generate kube, we need to support if bind
mounts have selinux options. As kubernetes does not support selinux in
this way, we tuck the selinux values into a pod annotation for
generation of the kube yaml. Then on play, we check annotations to see
if a value for the mount exists and apply it.
Fixes BZ #1984081
Signed-off-by: Brent Baude <bbaude@redhat.com>
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Add a new function to libpod to directly access the runtime
configuration without creating an expensive deep copy. Further migrate
a number of callers to this new function.
This drops the number of calls to JSONDeepCopy from 4 to 1 in a simple
`podman run --rm -d busybox top`.
Future work: Please note that there are more callers of GetConfig() that
can me migrated to GetConfigNoCopy().
[NO TESTS NEEDED]
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
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Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Remove ERROR: Error stutter from logrus messages also.
[ NO TESTS NEEDED] This is just code cleanup.
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
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added support for pod devices. The device gets added to the infra container and
recreated in all containers that join the pod.
This required a new container config item to keep track of the original device passed in by the user before
the path was parsed into the container device.
Signed-off-by: cdoern <cdoern@redhat.com>
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We do not use the ocicni code anymore so let's get rid of it. Only the
port struct is used but we can copy this into libpod network types so
we can debloat the binary.
The next step is to remove the OCICNI port mapping form the container
config and use the better PortMapping struct everywhere.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Pod Volumes Support
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added support for the --volume flag in pods using the new infra container design.
users can specify all volume options they can with regular containers
resolves #10379
Signed-off-by: cdoern <cdoern@redhat.com>
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Allows users to specify a readonly rootfs with :O, in exchange podman will create a writable overlay.
bump builah to v1.22.1-0.20210823173221-da2b428c56ce
[NO TESTS NEEDED]
Signed-off-by: flouthoc <flouthoc.git@gmail.com>
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Kubernetes has a concept of init containers that run and exit before
the regular containers in a pod are started. We added init containers
to podman pods as well. This patch adds support for generating init
containers in the kube yaml when a pod we are converting had init
containers. When playing a kube yaml, it detects an init container
and creates such a container in podman accordingly.
Note, only init containers created with the init type set to "always"
will be generated as the "once" option deletes the init container after
it has run and exited. Play kube will always creates init containers
with the "always" init container type.
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
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InfraContainer should go through the same creation process as regular containers. This change was from the cmd level
down, involving new container CLI opts and specgen creating functions. What now happens is that both container and pod
cli options are populated in cmd and used to create a podSpecgen and a containerSpecgen. The process then goes as follows
FillOutSpecGen (infra) -> MapSpec (podOpts -> infraOpts) -> PodCreate -> MakePod -> createPodOptions -> NewPod -> CompleteSpec (infra) -> MakeContainer -> NewContainer -> newContainer -> AddInfra (to pod state)
Signed-off-by: cdoern <cdoern@redhat.com>
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podman inspect show exposed ports
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Podman inspect has to show exposed ports to match docker. This requires
storing the exposed ports in the container config.
A exposed port is shown as `"80/tcp": null` while a forwarded port is
shown as `"80/tcp": [{"HostIp": "", "HostPort": "8080" }]`.
Also make sure to add the exposed ports to the new image when the
container is commited.
Fixes #10777
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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Implement a new network interface to abstract CNI from libpod. The
interface is implemented for the CNI backend but in the future we can
add more backends.
The code is structured in three new packages:
- `libpod/network/types`: contains the interface definition
and the necessary types for it.
- `libpod/network/cni` contains the interface implementation for the CNI
backend.
- `libpod/network/util` a set of utility functions related to
networking.
The CNI package uses ginkgo style unit tests. To test Setup/Teardown the
test must be run as root. Each test will run in their own namespace to
make the test independent from the host environment.
New features with the CNI backend:
- The default network will be created in memory if it does not exists on
disk.
- It can set more than one static IP per container network.
- Networks are loaded once from disk and only if this interface is
used, e.g. for commands such as `podman info` networks are not loaded.
This reduces unnecessary disk IO.
This commit only adds the interface it is not wired into libpod. This
requires a lot of breaking changes which will be done in a followup
commit.
Once this is integrated into libpod the current network code under
`libpod/network` should be removed. Also the dependency on OCICNI
should be dropped.
Signed-off-by: Paul Holzinger <pholzing@redhat.com>
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[NO TESTS NEEDED]
Signed-off-by: flouthoc <flouthoc.git@gmail.com>
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[NO TESTS NEEDED]
Signed-off-by: flouthoc <flouthoc.git@gmail.com>
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[NO TESTS NEEDED]
Signed-off-by: flouthoc <flouthoc.git@gmail.com>
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after the init containers pr merged, it was suggested to use `once`
instead of `oneshot` containers as it is more aligned with other
terminiology used similarily.
[NO TESTS NEEDED]
Signed-off-by: Brent Baude <bbaude@redhat.com>
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Add the --userns flag to podman pod create and keep
track of the userns setting that pod was created with
so that all containers created within the pod will inherit
that userns setting.
Specifically we need to be able to launch a pod with
--userns=keep-id
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Signed-off-by: Urvashi Mohnani <umohnani@redhat.com>
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Execution domains tell Linux how to map signal numbers into signal actions.
The execution domain system allows Linux to provide limited support for binaries
compiled under other UNIX-like operating systems.
Reference: https://man7.org/linux/man-pages/man2/personality.2.html
Signed-off-by: flouthoc <flouthoc.git@gmail.com>
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