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-rw-r--r--docs/source/markdown/options/blkio-weight.md2
-rw-r--r--docs/source/markdown/options/cpu-period.md2
-rw-r--r--docs/source/markdown/options/cpu-quota.md2
-rw-r--r--docs/source/markdown/options/cpu-rt-period.md2
-rw-r--r--docs/source/markdown/options/cpu-rt-runtime.md2
-rw-r--r--docs/source/markdown/options/cpu-shares.md2
-rw-r--r--docs/source/markdown/options/cpuset-cpus.md2
-rw-r--r--docs/source/markdown/options/cpuset-mems.md2
-rw-r--r--docs/source/markdown/options/memory-swappiness.md2
-rw-r--r--docs/source/markdown/podman-container-clone.1.md.in12
-rw-r--r--docs/source/markdown/podman-create.1.md.in16
-rw-r--r--docs/source/markdown/podman-run.1.md.in16
-rw-r--r--pkg/specgen/generate/validate.go6
-rw-r--r--test/e2e/container_clone_test.go1
-rw-r--r--test/e2e/create_test.go2
-rw-r--r--test/e2e/generate_kube_test.go2
-rw-r--r--test/e2e/generate_spec_test.go2
-rw-r--r--test/system/030-run.bats7
18 files changed, 78 insertions, 4 deletions
diff --git a/docs/source/markdown/options/blkio-weight.md b/docs/source/markdown/options/blkio-weight.md
index eb8e94144..04a1071c0 100644
--- a/docs/source/markdown/options/blkio-weight.md
+++ b/docs/source/markdown/options/blkio-weight.md
@@ -1,3 +1,5 @@
#### **--blkio-weight**=*weight*
Block IO relative weight. The _weight_ is a value between **10** and **1000**.
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-period.md b/docs/source/markdown/options/cpu-period.md
index efbe6c2ab..5c5eb56e7 100644
--- a/docs/source/markdown/options/cpu-period.md
+++ b/docs/source/markdown/options/cpu-period.md
@@ -8,3 +8,5 @@ microseconds.
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-quota.md b/docs/source/markdown/options/cpu-quota.md
index 753797bad..81d5db3d2 100644
--- a/docs/source/markdown/options/cpu-quota.md
+++ b/docs/source/markdown/options/cpu-quota.md
@@ -10,3 +10,5 @@ ends (controllable via **--cpu-period**).
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpu-rt-period.md b/docs/source/markdown/options/cpu-rt-period.md
index 9014beb33..36e88632e 100644
--- a/docs/source/markdown/options/cpu-rt-period.md
+++ b/docs/source/markdown/options/cpu-rt-period.md
@@ -4,4 +4,4 @@ Limit the CPU real-time period in microseconds.
Limit the container's Real Time CPU usage. This option tells the kernel to restrict the container's Real Time CPU usage to the period specified.
-This option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-rt-runtime.md b/docs/source/markdown/options/cpu-rt-runtime.md
index 05b1d3b96..64f0ec38b 100644
--- a/docs/source/markdown/options/cpu-rt-runtime.md
+++ b/docs/source/markdown/options/cpu-rt-runtime.md
@@ -7,4 +7,4 @@ Period of 1,000,000us and Runtime of 950,000us means that this container could c
The sum of all runtimes across containers cannot exceed the amount allotted to the parent cgroup.
-This option is not supported on cgroups V2 systems.
+This option is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/options/cpu-shares.md b/docs/source/markdown/options/cpu-shares.md
index c2115c1bf..c0e2c3035 100644
--- a/docs/source/markdown/options/cpu-shares.md
+++ b/docs/source/markdown/options/cpu-shares.md
@@ -37,3 +37,5 @@ this can result in the following division of CPU shares:
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-cpus.md b/docs/source/markdown/options/cpuset-cpus.md
index a67766897..8a2a82e9f 100644
--- a/docs/source/markdown/options/cpuset-cpus.md
+++ b/docs/source/markdown/options/cpuset-cpus.md
@@ -7,3 +7,5 @@ CPUs in which to allow execution. Can be specified as a comma-separated list
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/cpuset-mems.md b/docs/source/markdown/options/cpuset-mems.md
index 1eeab7b13..b86d0ef6b 100644
--- a/docs/source/markdown/options/cpuset-mems.md
+++ b/docs/source/markdown/options/cpuset-mems.md
@@ -10,3 +10,5 @@ two memory nodes.
On some systems, changing the resource limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-resource-limits-fails-with-a-permissions-error
+
+This option is not supported on cgroups V1 rootless systems.
diff --git a/docs/source/markdown/options/memory-swappiness.md b/docs/source/markdown/options/memory-swappiness.md
index 65f0ef310..1e6a51188 100644
--- a/docs/source/markdown/options/memory-swappiness.md
+++ b/docs/source/markdown/options/memory-swappiness.md
@@ -2,4 +2,4 @@
Tune a container's memory swappiness behavior. Accepts an integer between *0* and *100*.
-This flag is not supported on cgroups V2 systems.
+This flag is only supported on cgroups V1 rootful systems.
diff --git a/docs/source/markdown/podman-container-clone.1.md.in b/docs/source/markdown/podman-container-clone.1.md.in
index cf760d7a2..26f414b62 100644
--- a/docs/source/markdown/podman-container-clone.1.md.in
+++ b/docs/source/markdown/podman-container-clone.1.md.in
@@ -40,6 +40,8 @@ Set a number of CPUs for the container that overrides the original containers CP
This is shorthand
for **--cpu-period** and **--cpu-quota**, so only **--cpus** or either both the **--cpu-period** and **--cpu-quota** options can be set.
+This option is not supported on cgroups V1 rootless systems.
+
@@option cpuset-cpus
If none are specified, the original container's CPUset is used.
@@ -54,10 +56,14 @@ If none are specified, the original container's CPU memory nodes are used.
Limit read rate (bytes per second) from a device (e.g. --device-read-bps=/dev/sda:1mb).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-write-bps**=*path*
Limit write rate (bytes per second) to a device (e.g. --device-write-bps=/dev/sda:1mb)
+This option is not supported on cgroups V1 rootless systems.
+
#### **--force**, **-f**
Force removal of the original container that we are cloning. Can only be used in conjunction with **--destroy**.
@@ -74,6 +80,8 @@ system's page size (the value would be very large, that's millions of trillions)
If no memory limits are specified, the original container's will be used.
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-reservation**=*limit*
Memory soft limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes))
@@ -84,6 +92,8 @@ reservation. So you should always set the value below **--memory**, otherwise th
hard limit will take precedence. By default, memory reservation will be the same
as memory limit from the container being cloned.
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-swap**=*limit*
A limit value equal to memory plus swap. Must be used with the **-m**
@@ -95,6 +105,8 @@ The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
+This option is not supported on cgroups V1 rootless systems.
+
@@option memory-swappiness
#### **--name**
diff --git a/docs/source/markdown/podman-create.1.md.in b/docs/source/markdown/podman-create.1.md.in
index 7ec4fc66f..74348ac7d 100644
--- a/docs/source/markdown/podman-create.1.md.in
+++ b/docs/source/markdown/podman-create.1.md.in
@@ -131,6 +131,8 @@ On some systems, changing the CPU limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-cpu-limits-fails-with-a-permissions-error
+This option is not supported on cgroups V1 rootless systems.
+
@@option cpuset-cpus
@@option cpuset-mems
@@ -165,18 +167,26 @@ Add a rule to the cgroup allowed devices list. The rule is expected to be in the
Limit read rate (bytes per second) from a device (e.g. --device-read-bps=/dev/sda:1mb)
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-read-iops**=*path*
Limit read rate (IO per second) from a device (e.g. --device-read-iops=/dev/sda:1000)
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-write-bps**=*path*
Limit write rate (bytes per second) to a device (e.g. --device-write-bps=/dev/sda:1mb)
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-write-iops**=*path*
Limit write rate (IO per second) to a device (e.g. --device-write-iops=/dev/sda:1000)
+This option is not supported on cgroups V1 rootless systems.
+
#### **--disable-content-trust**
This is a Docker specific option to disable image verification to a Docker
@@ -366,6 +376,8 @@ RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
not limited. The actual limit may be rounded up to a multiple of the operating
system's page size (the value would be very large, that's millions of trillions).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-reservation**=*limit*
Memory soft limit (format: `<number>[<unit>]`, where unit = b (bytes), k (kibibytes), m (mebibytes), or g (gibibytes))
@@ -376,6 +388,8 @@ reservation. So you should always set the value below **--memory**, otherwise th
hard limit will take precedence. By default, memory reservation will be the same
as memory limit.
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-swap**=*limit*
A limit value equal to memory plus swap. Must be used with the **-m**
@@ -387,6 +401,8 @@ The format of `LIMIT` is `<number>[<unit>]`. Unit can be `b` (bytes),
`k` (kibibytes), `m` (mebibytes), or `g` (gibibytes). If you don't specify a
unit, `b` is used. Set LIMIT to `-1` to enable unlimited swap.
+This option is not supported on cgroups V1 rootless systems.
+
@@option memory-swappiness
@@option mount
diff --git a/docs/source/markdown/podman-run.1.md.in b/docs/source/markdown/podman-run.1.md.in
index d10520e35..e943ec005 100644
--- a/docs/source/markdown/podman-run.1.md.in
+++ b/docs/source/markdown/podman-run.1.md.in
@@ -146,6 +146,8 @@ On some systems, changing the CPU limits may not be allowed for non-root
users. For more details, see
https://github.com/containers/podman/blob/main/troubleshooting.md#26-running-containers-with-cpu-limits-fails-with-a-permissions-error
+This option is not supported on cgroups V1 rootless systems.
+
@@option cpuset-cpus
@@option cpuset-mems
@@ -196,18 +198,26 @@ Add a rule to the cgroup allowed devices list
Limit read rate (in bytes per second) from a device (e.g. **--device-read-bps=/dev/sda:1mb**).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-read-iops**=*path:rate*
Limit read rate (in IO operations per second) from a device (e.g. **--device-read-iops=/dev/sda:1000**).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-write-bps**=*path:rate*
Limit write rate (in bytes per second) to a device (e.g. **--device-write-bps=/dev/sda:1mb**).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--device-write-iops**=*path:rate*
Limit write rate (in IO operations per second) to a device (e.g. **--device-write-iops=/dev/sda:1000**).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--disable-content-trust**
This is a Docker specific option to disable image verification to a Docker
@@ -377,6 +387,8 @@ RAM. If a limit of 0 is specified (not using **-m**), the container's memory is
not limited. The actual limit may be rounded up to a multiple of the operating
system's page size (the value would be very large, that's millions of trillions).
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-reservation**=*number[unit]*
Memory soft limit. A _unit_ can be **b** (bytes), **k** (kibibytes), **m** (mebibytes), or **g** (gibibytes).
@@ -387,6 +399,8 @@ reservation. So you should always set the value below **--memory**, otherwise th
hard limit will take precedence. By default, memory reservation will be the same
as memory limit.
+This option is not supported on cgroups V1 rootless systems.
+
#### **--memory-swap**=*number[unit]*
A limit value equal to memory plus swap.
@@ -399,6 +413,8 @@ the value of **--memory**.
Set _number_ to **-1** to enable unlimited swap.
+This option is not supported on cgroups V1 rootless systems.
+
@@option memory-swappiness
@@option mount
diff --git a/pkg/specgen/generate/validate.go b/pkg/specgen/generate/validate.go
index 9c933d747..3c5d5fb96 100644
--- a/pkg/specgen/generate/validate.go
+++ b/pkg/specgen/generate/validate.go
@@ -9,6 +9,7 @@ import (
"github.com/containers/common/pkg/cgroups"
"github.com/containers/common/pkg/sysinfo"
+ "github.com/containers/podman/v4/pkg/rootless"
"github.com/containers/podman/v4/pkg/specgen"
"github.com/containers/podman/v4/utils"
)
@@ -19,6 +20,11 @@ func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error
sysInfo := sysinfo.New(true)
+ if s.ResourceLimits != nil && rootless.IsRootless() {
+ s.ResourceLimits = nil
+ warnings = append(warnings, "Resource limits are not supported and ignored on cgroups V1 rootless systems")
+ }
+
if s.ResourceLimits == nil {
return warnings, nil
}
diff --git a/test/e2e/container_clone_test.go b/test/e2e/container_clone_test.go
index 94ccd6ffe..d7641e42a 100644
--- a/test/e2e/container_clone_test.go
+++ b/test/e2e/container_clone_test.go
@@ -87,6 +87,7 @@ var _ = Describe("Podman container clone", func() {
})
It("podman container clone resource limits override", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
create := podmanTest.Podman([]string{"create", "--cpus=5", ALPINE})
create.WaitWithDefaultTimeout()
Expect(create).To(Exit(0))
diff --git a/test/e2e/create_test.go b/test/e2e/create_test.go
index 9679aad24..b35d0f3c5 100644
--- a/test/e2e/create_test.go
+++ b/test/e2e/create_test.go
@@ -438,6 +438,7 @@ var _ = Describe("Podman create", func() {
})
It("podman create with -m 1000000 sets swap to 2000000", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
numMem := 1000000
ctrName := "testCtr"
session := podmanTest.Podman([]string{"create", "-t", "-m", fmt.Sprintf("%db", numMem), "--name", ctrName, ALPINE, "/bin/sh"})
@@ -452,6 +453,7 @@ var _ = Describe("Podman create", func() {
})
It("podman create --cpus 5 sets nanocpus", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
numCpus := 5
nanoCPUs := numCpus * 1000000000
ctrName := "testCtr"
diff --git a/test/e2e/generate_kube_test.go b/test/e2e/generate_kube_test.go
index 142f32d19..e7ceaf2d2 100644
--- a/test/e2e/generate_kube_test.go
+++ b/test/e2e/generate_kube_test.go
@@ -490,6 +490,7 @@ var _ = Describe("Podman generate kube", func() {
})
It("podman generate kube on pod with memory limit", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
podName := "testMemoryLimit"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName})
podSession.WaitWithDefaultTimeout()
@@ -515,6 +516,7 @@ var _ = Describe("Podman generate kube", func() {
})
It("podman generate kube on pod with cpu limit", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
podName := "testCpuLimit"
podSession := podmanTest.Podman([]string{"pod", "create", "--name", podName})
podSession.WaitWithDefaultTimeout()
diff --git a/test/e2e/generate_spec_test.go b/test/e2e/generate_spec_test.go
index 57cd9546b..9188b5222 100644
--- a/test/e2e/generate_spec_test.go
+++ b/test/e2e/generate_spec_test.go
@@ -41,6 +41,7 @@ var _ = Describe("Podman generate spec", func() {
})
It("podman generate spec basic usage", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
session := podmanTest.Podman([]string{"create", "--cpus", "5", "--name", "specgen", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
@@ -51,6 +52,7 @@ var _ = Describe("Podman generate spec", func() {
})
It("podman generate spec file", func() {
+ SkipIfRootlessCgroupsV1("Not supported for rootless + CgroupsV1")
session := podmanTest.Podman([]string{"create", "--cpus", "5", "--name", "specgen", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session).Should(Exit(0))
diff --git a/test/system/030-run.bats b/test/system/030-run.bats
index 908c169ee..a3bfe5780 100644
--- a/test/system/030-run.bats
+++ b/test/system/030-run.bats
@@ -56,7 +56,12 @@ echo $rand | 0 | $rand
@test "podman run --memory=0 runtime option" {
run_podman run --memory=0 --rm $IMAGE echo hello
- is "$output" "hello" "failed to run when --memory is set to 0"
+ if is_rootless && ! is_cgroupsv2; then
+ is "${lines[0]}" "Resource limits are not supported and ignored on cgroups V1 rootless systems" "--memory is not supported"
+ is "${lines[1]}" "hello" "--memory is ignored"
+ else
+ is "$output" "hello" "failed to run when --memory is set to 0"
+ fi
}
# 'run --preserve-fds' passes a number of additional file descriptors into the container
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-12-25 18:38:58 +0000