From f94ef9bba033e93eb64cabf6c8501550d4e1b31c Mon Sep 17 00:00:00 2001 From: Hiroshi Hatake Date: Fri, 27 Oct 2023 19:32:12 +0900 Subject: [PATCH] in_docker: Add unit test and make configurable paths (mostly for testing) Signed-off-by: Hiroshi Hatake --- plugins/in_docker/cgroup_v1.c | 54 +++++--- plugins/in_docker/cgroup_v2.c | 49 +++++--- plugins/in_docker/docker.c | 9 +- plugins/in_docker/docker.h | 16 +-- tests/runtime/CMakeLists.txt | 1 + .../cpuacct.usage | 1 + .../cpuacct.usage | 1 + .../memory.limit_in_bytes | 1 + .../memory.usage_in_bytes | 1 + .../memory.limit_in_bytes | 1 + .../memory.usage_in_bytes | 1 + .../config.v2.json | 1 + .../config.v2.json | 1 + .../cpu.stat | 9 ++ .../memory.current | 1 + .../memory.max | 1 + .../cpu.stat | 9 ++ .../memory.current | 1 + .../memory.max | 1 + .../config.v2.json | 1 + .../config.v2.json | 1 + tests/runtime/in_docker.c | 118 ++++++++++++++++++ 22 files changed, 237 insertions(+), 42 deletions(-) create mode 100644 tests/runtime/data/docker/cgroupv1/cpu/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/cpuacct.usage create mode 100644 tests/runtime/data/docker/cgroupv1/cpu/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/cpuacct.usage create mode 100644 tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.limit_in_bytes create mode 100644 tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.usage_in_bytes create mode 100644 tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.limit_in_bytes create mode 100644 tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.usage_in_bytes create mode 100644 tests/runtime/data/docker/cgroupv1/var/lib/containers/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/config.v2.json create mode 100644 tests/runtime/data/docker/cgroupv1/var/lib/containers/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/config.v2.json create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/cpu.stat create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/memory.current create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/memory.max create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c.scope/cpu.stat create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c.scope/memory.current create mode 100644 tests/runtime/data/docker/cgroupv2/system.slice/docker-1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c.scope/memory.max create mode 100644 tests/runtime/data/docker/cgroupv2/var/lib/containers/043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57/config.v2.json create mode 100644 tests/runtime/data/docker/cgroupv2/var/lib/containers/1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c/config.v2.json create mode 100644 tests/runtime/in_docker.c diff --git a/plugins/in_docker/cgroup_v1.c b/plugins/in_docker/cgroup_v1.c index a6fe355e220..17d4d384160 100644 --- a/plugins/in_docker/cgroup_v1.c +++ b/plugins/in_docker/cgroup_v1.c @@ -25,11 +25,14 @@ #include "docker.h" /* This method returns list of currently running docker ids. */ -static struct mk_list *get_active_dockers() +static struct mk_list *get_active_dockers(struct flb_docker *ctx) { DIR *dp; struct dirent *ep; struct mk_list *list; + char path[SYSFS_FILE_PATH_SIZE]; + + path[0] = '\0'; list = flb_malloc(sizeof(struct mk_list)); if (!list) { @@ -38,7 +41,9 @@ static struct mk_list *get_active_dockers() } mk_list_init(list); - dp = opendir(DOCKER_CGROUP_V1_CPU_DIR); + snprintf(path, sizeof(path), "%s/%s", ctx->sysfs_path, DOCKER_CGROUP_V1_CPU_DIR); + + dp = opendir(path); if (dp != NULL) { ep = readdir(dp); @@ -102,20 +107,24 @@ static char *read_line(FILE *fin) } /* This routine returns path to docker's cgroup CPU usage file. */ -static char *get_cpu_used_file(char *id) +static char *get_cpu_used_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(105, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(92 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V1_CPU_DIR); strcat(path, "/"); strcat(path, id); @@ -126,19 +135,23 @@ static char *get_cpu_used_file(char *id) } /* This routine returns path to docker's cgroup memory limit file. */ -static char *get_mem_limit_file(char *id) +static char *get_mem_limit_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(116, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(102 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V1_MEM_DIR); strcat(path, "/"); strcat(path, id); @@ -149,19 +162,23 @@ static char *get_mem_limit_file(char *id) } /* This routine returns path to docker's cgroup memory used file. */ -static char *get_mem_used_file(char *id) +static char *get_mem_used_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(116, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(102 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V1_MEM_DIR); strcat(path, "/"); strcat(path, id); @@ -171,20 +188,23 @@ static char *get_mem_used_file(char *id) return path; } -static char *get_config_file(char *id) +static char *get_config_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(107, sizeof(char)); + len = flb_sds_len(ctx->containers_path); + path = (char *) flb_calloc(91 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } - strcat(path, DOCKER_LIB_ROOT); + + strcat(path, ctx->containers_path); strcat(path, "/"); strcat(path, id); strcat(path, "/"); @@ -230,7 +250,7 @@ static char *get_container_name(struct flb_docker *ctx, char *id) FILE *f = NULL; char *line; - config_file = get_config_file(id); + config_file = get_config_file(ctx, id); if (!config_file) { return NULL; } @@ -268,7 +288,7 @@ static cpu_snapshot *get_docker_cpu_snapshot(struct flb_docker *ctx, char *id) cpu_snapshot *snapshot = NULL; FILE *f; - usage_file = get_cpu_used_file(id); + usage_file = get_cpu_used_file(ctx, id); if (!usage_file) { return NULL; } @@ -314,7 +334,7 @@ static uint64_t get_docker_mem_used(struct flb_docker *ctx, char *id) uint64_t mem_used = 0; FILE *f; - usage_file = get_mem_used_file(id); + usage_file = get_mem_used_file(ctx, id); if (!usage_file) { return 0; } @@ -344,9 +364,9 @@ static uint64_t get_docker_mem_used(struct flb_docker *ctx, char *id) } /* Returns memory limit for a docker in bytes. */ -static uint64_t get_docker_mem_limit(char *id) +static uint64_t get_docker_mem_limit(struct flb_docker *ctx, char *id) { - char *limit_file = get_mem_limit_file(id); + char *limit_file = get_mem_limit_file(ctx, id); uint64_t mem_limit = 0; FILE *f; @@ -380,7 +400,7 @@ static mem_snapshot *get_docker_mem_snapshot(struct flb_docker *ctx, char *id) } snapshot->used = get_docker_mem_used(ctx, id); - snapshot->limit = get_docker_mem_limit(id); + snapshot->limit = get_docker_mem_limit(ctx, id); return snapshot; } diff --git a/plugins/in_docker/cgroup_v2.c b/plugins/in_docker/cgroup_v2.c index bc0c6732ce4..b44633c7d2b 100644 --- a/plugins/in_docker/cgroup_v2.c +++ b/plugins/in_docker/cgroup_v2.c @@ -25,7 +25,7 @@ #include "docker.h" /* This method returns list of currently running docker ids. */ -static struct mk_list *get_active_dockers() +static struct mk_list *get_active_dockers(struct flb_docker *ctx) { DIR *dp; struct dirent *ep; @@ -33,6 +33,9 @@ static struct mk_list *get_active_dockers() docker_info *docker; char *p = NULL; char *container_id = NULL; + char path[SYSFS_FILE_PATH_SIZE]; + + path[0] = '\0'; list = flb_malloc(sizeof(struct mk_list)); if (!list) { @@ -41,7 +44,9 @@ static struct mk_list *get_active_dockers() } mk_list_init(list); - dp = opendir(DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR); + snprintf(path, sizeof(path), "%s/%s", ctx->sysfs_path, DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR); + + dp = opendir(path); if (dp != NULL) { ep = readdir(dp); @@ -114,20 +119,24 @@ static char *read_line(FILE *fin) } /* This routine returns path to docker's cgroup CPU usage file. */ -static char *get_cpu_used_file(char *id) +static char *get_cpu_used_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(115, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(101 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR); strcat(path, "/"); strcat(path, "docker-"); @@ -140,19 +149,23 @@ static char *get_cpu_used_file(char *id) } /* This routine returns path to docker's cgroup memory limit file. */ -static char *get_mem_limit_file(char *id) +static char *get_mem_limit_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(121, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(108 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR); strcat(path, "/"); strcat(path, "docker-"); @@ -165,19 +178,23 @@ static char *get_mem_limit_file(char *id) } /* This routine returns path to docker's cgroup memory used file. */ -static char *get_mem_used_file(char *id) +static char *get_mem_used_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(121, sizeof(char)); + len = flb_sds_len(ctx->sysfs_path); + path = (char *) flb_calloc(108 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } + strcat(path, ctx->sysfs_path); + strcat(path, "/"); strcat(path, DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR); strcat(path, "/"); strcat(path, "docker-"); @@ -189,20 +206,22 @@ static char *get_mem_used_file(char *id) return path; } -static char *get_config_file(char *id) +static char *get_config_file(struct flb_docker *ctx, char *id) { char *path; + int len = 0; if (!id) { return NULL; } - path = (char *) flb_calloc(107, sizeof(char)); + len = flb_sds_len(ctx->containers_path); + path = (char *) flb_calloc(91 + len, sizeof(char)); if (!path) { flb_errno(); return NULL; } - strcat(path, DOCKER_LIB_ROOT); + strcat(path, ctx->containers_path); strcat(path, "/"); strcat(path, id); strcat(path, "/"); @@ -248,7 +267,7 @@ static char *get_container_name(struct flb_docker *ctx, char *id) FILE *f = NULL; char *line; - config_file = get_config_file(id); + config_file = get_config_file(ctx, id); if (!config_file) { return NULL; } @@ -287,7 +306,7 @@ static cpu_snapshot *get_docker_cpu_snapshot(struct flb_docker *ctx, char *id) FILE *f; char *line = NULL; - usage_file = get_cpu_used_file(id); + usage_file = get_cpu_used_file(ctx, id); if (!usage_file) { return NULL; } @@ -363,7 +382,7 @@ static uint64_t get_docker_mem_used(struct flb_docker *ctx, char *id) char *usage_file = NULL; uint64_t mem_used = 0; - usage_file = get_mem_used_file(id); + usage_file = get_mem_used_file(ctx, id); if (!usage_file) { return 0; } @@ -378,7 +397,7 @@ static uint64_t get_docker_mem_used(struct flb_docker *ctx, char *id) static uint64_t get_docker_mem_limit(struct flb_docker *ctx, char *id) { int c; - char *limit_file = get_mem_limit_file(id); + char *limit_file = get_mem_limit_file(ctx, id); uint64_t mem_limit; char *line = NULL; FILE *f; diff --git a/plugins/in_docker/docker.c b/plugins/in_docker/docker.c index 8b86392fe94..21f47c3701f 100644 --- a/plugins/in_docker/docker.c +++ b/plugins/in_docker/docker.c @@ -482,7 +482,7 @@ static int cb_docker_collect(struct flb_input_instance *ins, (void) config; /* Get current active dockers. */ - active = ctx->cgroup_api.get_active_docker_ids(); + active = ctx->cgroup_api.get_active_docker_ids(ctx); filtered = apply_filters(ctx, active); if (!filtered) { @@ -564,10 +564,15 @@ static struct flb_config_map config_map[] = { "A space-separated list of containers to exclude" }, { - FLB_CONFIG_MAP_STR, "path.sysfs", SYSFS_PATH, + FLB_CONFIG_MAP_STR, "path.sysfs", DEFAULT_SYSFS_PATH, 0, FLB_TRUE, offsetof(struct flb_docker, sysfs_path), "sysfs mount point" }, + { + FLB_CONFIG_MAP_STR, "path.containers", DEFAULT_CONTAINERS_PATH, + 0, FLB_TRUE, offsetof(struct flb_docker, containers_path), + "containers directory" + }, /* EOF */ {0} }; diff --git a/plugins/in_docker/docker.h b/plugins/in_docker/docker.h index 79695d9c6d1..d06115f0670 100644 --- a/plugins/in_docker/docker.h +++ b/plugins/in_docker/docker.h @@ -29,7 +29,8 @@ /* Distinguish cgroup v2 or v1 */ #define SYSFS_FILE_PATH_SIZE 512 -#define SYSFS_PATH "/sys/fs/cgroup" +#define DEFAULT_SYSFS_PATH "/sys/fs/cgroup" +#define DEFAULT_CONTAINERS_PATH "/var/lib/docker/containers" #define CGROUP_V2_PATH "cgroup.controllers" #define CGROUP_V1 1 #define CGROUP_V2 2 @@ -43,23 +44,20 @@ #define DOCKER_CGROUP_V2_LONG_ID_LEN 77 /* docker-CONTAINERID.scope: 7 + 64 + 6 */ /* Files from sysfs containing metrics (cgroups v1) */ -#define DOCKER_CGROUP_V1_MEM_DIR "/sys/fs/cgroup/memory/docker" -#define DOCKER_CGROUP_V1_CPU_DIR "/sys/fs/cgroup/cpu/docker" +#define DOCKER_CGROUP_V1_MEM_DIR "memory/docker" +#define DOCKER_CGROUP_V1_CPU_DIR "cpu/docker" #define DOCKER_CGROUP_V1_MEM_LIMIT_FILE "memory.limit_in_bytes" #define DOCKER_CGROUP_V1_MEM_USAGE_FILE "memory.usage_in_bytes" #define DOCKER_CGROUP_V1_CPU_USAGE_FILE "cpuacct.usage" /* Files from sysfs containing metrics (cgroups v2) */ -#define DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR "/sys/fs/cgroup/system.slice" +#define DOCKER_CGROUP_V2_DOCKER_SERVICE_DIR "system.slice" #define DOCKER_CGROUP_V2_MEM_USAGE_FILE "memory.current" -#define DOCKER_CGROUP_V2_MEM_PEAK_FILE "memory.peak" -#define DOCKER_CGROUP_V2_MEM_STAT_FILE "memory.stat" #define DOCKER_CGROUP_V2_MEM_MAX_FILE "memory.max" #define DOCKER_CGROUP_V2_CPU_USAGE_FILE "cpu.stat" #define DOCKER_CGROUP_V2_CPU_USAGE_KEY "usage_usec" #define DOCKER_CGROUP_V2_CPU_USAGE_TEMPLATE DOCKER_CGROUP_V2_CPU_USAGE_KEY" %lu" -#define DOCKER_LIB_ROOT "/var/lib/docker/containers" #define DOCKER_CONFIG_JSON "config.v2.json" #define DOCKER_NAME_ARG "\"Name\"" #define DEFAULT_INTERVAL_SEC "1" @@ -113,8 +111,10 @@ struct flb_docker { /* cgroup version used by host */ int cgroup_version; - /* proc and sys paths, overwriting mostly for testing */ + /* sys path, overwriting mostly for testing */ flb_sds_t sysfs_path; + flb_sds_t containers_path; + flb_sds_t docker_config_path; }; int in_docker_collect(struct flb_input_instance *i_ins, diff --git a/tests/runtime/CMakeLists.txt b/tests/runtime/CMakeLists.txt index d6d3e710153..b458ca9314b 100644 --- a/tests/runtime/CMakeLists.txt +++ b/tests/runtime/CMakeLists.txt @@ -56,6 +56,7 @@ if(FLB_OUT_LIB) FLB_RT_TEST(FLB_IN_TCP "in_tcp.c") FLB_RT_TEST(FLB_IN_FORWARD "in_forward.c") FLB_RT_TEST(FLB_IN_FLUENTBIT_METRICS "in_fluentbit_metrics.c") + FLB_RT_TEST(FLB_IN_DOCKER "in_docker.c") endif() # Filter Plugins diff --git a/tests/runtime/data/docker/cgroupv1/cpu/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/cpuacct.usage b/tests/runtime/data/docker/cgroupv1/cpu/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/cpuacct.usage new file mode 100644 index 00000000000..3fdfe39791f --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/cpu/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/cpuacct.usage @@ -0,0 +1 @@ +34840870 diff --git a/tests/runtime/data/docker/cgroupv1/cpu/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/cpuacct.usage b/tests/runtime/data/docker/cgroupv1/cpu/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/cpuacct.usage new file mode 100644 index 00000000000..5d05c05178b --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/cpu/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/cpuacct.usage @@ -0,0 +1 @@ +27762470638 diff --git a/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.limit_in_bytes b/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.limit_in_bytes new file mode 100644 index 00000000000..564113cfaff --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.limit_in_bytes @@ -0,0 +1 @@ +9223372036854771712 diff --git a/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.usage_in_bytes b/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.usage_in_bytes new file mode 100644 index 00000000000..bceefd80764 --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/memory/docker/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/memory.usage_in_bytes @@ -0,0 +1 @@ +6299648 diff --git a/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.limit_in_bytes b/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.limit_in_bytes new file mode 100644 index 00000000000..564113cfaff --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.limit_in_bytes @@ -0,0 +1 @@ +9223372036854771712 diff --git a/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.usage_in_bytes b/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.usage_in_bytes new file mode 100644 index 00000000000..c4a44547248 --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/memory/docker/c652e8674cc618ab3bda66c5bb5af93a88f9fa4efec4e4c0851c68dde4b25750/memory.usage_in_bytes @@ -0,0 +1 @@ +207499264 diff --git a/tests/runtime/data/docker/cgroupv1/var/lib/containers/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/config.v2.json b/tests/runtime/data/docker/cgroupv1/var/lib/containers/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/config.v2.json new file mode 100644 index 00000000000..aca73092a1b --- /dev/null +++ b/tests/runtime/data/docker/cgroupv1/var/lib/containers/3d02975d4378f74f9a5005206e14745ce76947d970fad44ac6a5c5b80a3ccdf0/config.v2.json @@ 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diff --git a/tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/cpu.stat b/tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/cpu.stat new file mode 100644 index 00000000000..5acbeea1f3b --- /dev/null +++ b/tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/cpu.stat @@ -0,0 +1,9 @@ +usage_usec 53929 +user_usec 23161 +system_usec 30767 +core_sched.force_idle_usec 0 +nr_periods 0 +nr_throttled 0 +throttled_usec 0 +nr_bursts 0 +burst_usec 0 diff --git a/tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/memory.current b/tests/runtime/data/docker/cgroupv2/system.slice/docker-043b521509b63b46e785a897f9264cecb3531ebc83d5072fcaeeeae6336bce57.scope/memory.current new file mode 100644 index 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diff --git a/tests/runtime/data/docker/cgroupv2/var/lib/containers/1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c/config.v2.json b/tests/runtime/data/docker/cgroupv2/var/lib/containers/1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c/config.v2.json new file mode 100644 index 00000000000..143383b8f45 --- /dev/null +++ b/tests/runtime/data/docker/cgroupv2/var/lib/containers/1a38a7677732c264a914122d82b7b03e083fdadf8d0586b9df57db33a8f62e0c/config.v2.json @@ -0,0 +1 @@ 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diff --git a/tests/runtime/in_docker.c b/tests/runtime/in_docker.c new file mode 100644 index 00000000000..e7eb42fb865 --- /dev/null +++ b/tests/runtime/in_docker.c @@ -0,0 +1,118 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ + +/* Fluent Bit + * ========== + * Copyright (C) 2015-2016 Treasure Data Inc. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include +#include "flb_tests_runtime.h" + +#define DPATH_DOCKER_SYSFS_CGROUPV1 FLB_TESTS_DATA_PATH "/data/docker/cgroupv1" +#define DPATH_DOCKER_CONTAINER_CGROUPV1 FLB_TESTS_DATA_PATH "/data/docker/cgroupv1/var/lib/containers" +#define DPATH_DOCKER_SYSFS_CGROUPV2 FLB_TESTS_DATA_PATH "/data/docker/cgroupv2" +#define DPATH_DOCKER_CONTAINER_CGROUPV2 FLB_TESTS_DATA_PATH "/data/docker/cgroupv2/var/lib/containers" + +int check_metric(flb_ctx_t *ctx, char *name) { + struct mk_list *tmp; + struct mk_list *head; + struct cfl_list *inner_tmp; + struct cfl_list *inner_head; + + struct flb_input_instance *i_ins; + struct cmt_counter *counter; + + int number_of_metrics = 0; + + mk_list_foreach_safe(head, tmp, &ctx->config->inputs) { + i_ins = mk_list_entry(head, struct flb_input_instance, _head); + cfl_list_foreach_safe(inner_head, inner_tmp, &i_ins->cmt->counters) { + counter = cfl_list_entry(inner_head, struct cmt_counter, _head); + + if (strlen(name) != 0 && strcmp(name, counter->opts.name) == 0) { + return 0; + } + number_of_metrics++; + } + } + return number_of_metrics; + +} + +void do_create(flb_ctx_t *ctx, char *system, ...) +{ + int in_ffd; + int out_ffd; + va_list va; + char *key; + char *value; + + in_ffd = flb_input(ctx, (char *) system, NULL); + + va_start(va, system); + while ((key = va_arg(va, char *))) { + value = va_arg(va, char *); + TEST_CHECK(value != NULL); + TEST_CHECK(flb_input_set(ctx, in_ffd, key, value, NULL) == 0); + } + va_end(va); + + out_ffd = flb_output(ctx, (char *) "null", NULL); + TEST_CHECK(out_ffd >= 0); + + TEST_CHECK(flb_service_set(ctx, "Flush", "0.5", + "Grace", "1", + NULL) == 0); +} + +void do_destroy(flb_ctx_t *ctx) { + flb_stop(ctx); + flb_destroy(ctx); +} + +void flb_test_in_docker_cgroupv1() { + flb_ctx_t *ctx = flb_create(); + do_create(ctx, + "docker", + "path.sysfs", DPATH_DOCKER_SYSFS_CGROUPV1, + "path.containers", DPATH_DOCKER_CONTAINER_CGROUPV1, + NULL); + TEST_CHECK(flb_start(ctx) == 0); + sleep(1); + TEST_CHECK(check_metric(ctx, "cpu_used") != 0); + TEST_CHECK(check_metric(ctx, "mem_used") != 0); + TEST_CHECK(check_metric(ctx, "mem_limit") != 0); + do_destroy(ctx); +} + +void flb_test_in_docker_cgroupv2() { + flb_ctx_t *ctx = flb_create(); + do_create(ctx, + "docker", + "path.sysfs", DPATH_DOCKER_SYSFS_CGROUPV2, + "path.containers", DPATH_DOCKER_CONTAINER_CGROUPV2, + NULL); + TEST_CHECK(flb_start(ctx) == 0); + sleep(1); + TEST_CHECK(check_metric(ctx, "cpu_used") != 0); + TEST_CHECK(check_metric(ctx, "mem_used") != 0); + TEST_CHECK(check_metric(ctx, "mem_limit") != 0); + do_destroy(ctx); +} + +TEST_LIST = { + {"cgroup_v1", flb_test_in_docker_cgroupv1}, + {"cgroup_v2", flb_test_in_docker_cgroupv2}, + {NULL, NULL}};