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Support cri-o container metadata caching #1399

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merged 1 commit into from
May 10, 2019
Merged

Support cri-o container metadata caching #1399

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15 changes: 11 additions & 4 deletions userspace/libsinsp/k8s_state.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ limitations under the License.
const std::string k8s_state_t::m_docker_prefix = "docker://";
const std::string k8s_state_t::m_rkt_prefix = "rkt://";
const std::string k8s_state_t::m_containerd_prefix = "containerd://";
const std::string k8s_state_t::m_crio_prefix = "cri-o://";
const unsigned k8s_state_t::m_id_length = 12u;

k8s_state_t::k8s_state_t(bool is_captured, int capture_version):
Expand All @@ -60,26 +61,32 @@ void k8s_state_t::cache_pod(container_pod_map& map, const std::string& id, const
ASSERT(pod);
ASSERT(!pod->get_name().empty());
std::string::size_type pos = id.find(m_docker_prefix);
if (pos == 0)
if(pos == 0)
{
map[id.substr(m_docker_prefix.size(), m_id_length)] = pod;
return;
}
pos = id.find(m_rkt_prefix);
if( pos == 0)
if(pos == 0)
{
map[id.substr(m_rkt_prefix.size())] = pod;
return;
}
pos = id.find(m_containerd_prefix);
if( pos == 0)
if(pos == 0)
{
map[id.substr(m_containerd_prefix.size(), m_id_length)] = pod;
return;
}
pos = id.find(m_crio_prefix);
if(pos == 0)
{
map[id.substr(m_crio_prefix.size(), m_id_length)] = pod;
return;
}
throw sinsp_exception("Invalid container ID (expected one of: '" + m_docker_prefix +
"{ID}', '" + m_rkt_prefix + "{ID}', '" + m_containerd_prefix +
"{ID}'): " + id);
"{ID}', '" + m_crio_prefix + "{ID}'): " + id);
}

bool k8s_state_t::has_pod(k8s_pod_t& pod)
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1 change: 1 addition & 0 deletions userspace/libsinsp/k8s_state.h
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Original file line number Diff line number Diff line change
Expand Up @@ -354,6 +354,7 @@ class k8s_state_t
static const std::string m_docker_prefix; // "docker://"
static const std::string m_rkt_prefix; // "rkt://"
static const std::string m_containerd_prefix; // "containerd://"
static const std::string m_crio_prefix; // "cri-o://"
static const unsigned m_id_length; // portion of the ID to be cached (=12)

#ifndef HAS_ANALYZER
Expand Down