diff options
| -rw-r--r-- | cmd/podman/root.go | 10 | ||||
| -rw-r--r-- | pkg/domain/entities/engine.go | 1 | ||||
| -rw-r--r-- | pkg/specgen/generate/validate.go | 16 | ||||
| -rw-r--r-- | test/e2e/run_cpu_test.go | 16 | ||||
| -rw-r--r-- | test/system/001-basic.bats | 6 |
5 files changed, 48 insertions, 1 deletions
diff --git a/cmd/podman/root.go b/cmd/podman/root.go index 0261cd670..2e00777a4 100644 --- a/cmd/podman/root.go +++ b/cmd/podman/root.go @@ -73,6 +73,7 @@ var ( defaultLogLevel = "warn" logLevel = defaultLogLevel + dockerConfig = "" debug bool useSyslog bool @@ -85,6 +86,7 @@ func init() { loggingHook, syslogHook, earlyInitHook, + configHook, ) rootFlags(rootCmd, registry.PodmanConfig()) @@ -311,6 +313,12 @@ func persistentPostRunE(cmd *cobra.Command, args []string) error { return nil } +func configHook() { + if dockerConfig != "" { + logrus.Warn("The --config flag is ignored by Podman. Exists for Docker compatibility") + } +} + func loggingHook() { var found bool if debug { @@ -363,6 +371,8 @@ func rootFlags(cmd *cobra.Command, opts *entities.PodmanConfig) { lFlags.StringVarP(&opts.URI, "host", "H", uri, "Used for Docker compatibility") _ = lFlags.MarkHidden("host") + lFlags.StringVar(&dockerConfig, "config", "", "Ignored for Docker compatibility") + _ = lFlags.MarkHidden("config") // Context option added just for compatibility with DockerCLI. lFlags.String("context", "default", "Name of the context to use to connect to the daemon (This flag is a NOOP and provided solely for scripting compatibility.)") _ = lFlags.MarkHidden("context") diff --git a/pkg/domain/entities/engine.go b/pkg/domain/entities/engine.go index c1a4ffdf3..a69cf5111 100644 --- a/pkg/domain/entities/engine.go +++ b/pkg/domain/entities/engine.go @@ -33,6 +33,7 @@ type PodmanConfig struct { *config.Config *pflag.FlagSet + DockerConfig string // Used for Docker compatibility CgroupUsage string // rootless code determines Usage message ConmonPath string // --conmon flag will set Engine.ConmonPath CPUProfile string // Hidden: Should CPU profile be taken diff --git a/pkg/specgen/generate/validate.go b/pkg/specgen/generate/validate.go index 3c5d5fb96..e9ebdfce3 100644 --- a/pkg/specgen/generate/validate.go +++ b/pkg/specgen/generate/validate.go @@ -82,7 +82,7 @@ func verifyContainerResourcesCgroupV1(s *specgen.SpecGenerator) ([]string, error } } - // CPU Checks + // CPU checks if s.ResourceLimits.CPU != nil { cpu := s.ResourceLimits.CPU if cpu.Shares != nil && !sysInfo.CPUShares { @@ -169,6 +169,7 @@ func verifyContainerResourcesCgroupV2(s *specgen.SpecGenerator) ([]string, error return warnings, nil } + // Memory checks if s.ResourceLimits.Memory != nil && s.ResourceLimits.Memory.Swap != nil { own, err := utils.GetOwnCgroup() if err != nil { @@ -198,6 +199,19 @@ func verifyContainerResourcesCgroupV2(s *specgen.SpecGenerator) ([]string, error s.ResourceLimits.Memory.Swap = nil } } + + // CPU checks + if s.ResourceLimits.CPU != nil { + cpu := s.ResourceLimits.CPU + if cpu.RealtimePeriod != nil { + warnings = append(warnings, "Realtime period not supported on cgroups V2 systems") + cpu.RealtimePeriod = nil + } + if cpu.RealtimeRuntime != nil { + warnings = append(warnings, "Realtime runtime not supported on cgroups V2 systems") + cpu.RealtimeRuntime = nil + } + } return warnings, nil } diff --git a/test/e2e/run_cpu_test.go b/test/e2e/run_cpu_test.go index e57eb3b26..19bb735ff 100644 --- a/test/e2e/run_cpu_test.go +++ b/test/e2e/run_cpu_test.go @@ -138,4 +138,20 @@ var _ = Describe("Podman run cpu", func() { result.WaitWithDefaultTimeout() Expect(result).To(ExitWithError()) }) + + It("podman run invalid cpu-rt-period with cgroupsv2", func() { + SkipIfCgroupV1("testing options that only work in cgroup v2") + result := podmanTest.Podman([]string{"run", "--rm", "--cpu-rt-period=5000", ALPINE, "ls"}) + result.WaitWithDefaultTimeout() + Expect(result).Should(Exit(0)) + Expect(result.ErrorToString()).To(ContainSubstring("Realtime period not supported on cgroups V2 systems")) + }) + + It("podman run invalid cpu-rt-runtime with cgroupsv2", func() { + SkipIfCgroupV1("testing options that only work in cgroup v2") + result := podmanTest.Podman([]string{"run", "--rm", "--cpu-rt-runtime=5000", ALPINE, "ls"}) + result.WaitWithDefaultTimeout() + Expect(result).Should(Exit(0)) + Expect(result.ErrorToString()).To(ContainSubstring("Realtime runtime not supported on cgroups V2 systems")) + }) }) diff --git a/test/system/001-basic.bats b/test/system/001-basic.bats index 1148aaae7..e3302bec3 100644 --- a/test/system/001-basic.bats +++ b/test/system/001-basic.bats @@ -29,6 +29,12 @@ function setup() { local built=$(expr "$output" : ".*Built: \+\(.*\)" | head -n1) local built_t=$(date --date="$built" +%s) assert "$built_t" -gt 1546300800 "Preposterous 'Built' time in podman version" + + run_podman -v + is "$output" "podman.*version \+" "'Version line' in output" + + run_podman --config foobar version + is "$output" ".*The --config flag is ignored by Podman. Exists for Docker compatibility\+" "verify warning for --config option" } @test "podman info" { |