Move cli/stasis main program to a library stasis_entrypoint.a

1 files changed, 77 insertions, 0 deletions

diff --git a/src/lib/entrypoint/system_requirements.c b/src/lib/entrypoint/system_requirements.c
new file mode 100644
index 0000000..d8d7df3
--- /dev/null
+++ b/src/lib/entrypoint/system_requirements.c
@@ -0,0 +1,77 @@
+#include "system_requirements.h"
+
+void check_system_env_requirements() {
+    msg(STASIS_MSG_L1, "Checking environment\n");
+    globals.envctl = envctl_init();
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "TMPDIR");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_ROOT");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_SYSCONFDIR");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_CPU_COUNT");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED | STASIS_ENVCTL_REDACT, callback_except_gh, "STASIS_GH_TOKEN");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_ARTIFACTORY_URL");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_ACCESS_TOKEN");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_PASSTHRU, NULL, "STASIS_JF_USER");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_PASSWORD");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_KEY_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_SSH_PASSPHRASE");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_CERT_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REDACT, NULL, "STASIS_JF_CLIENT_CERT_KEY_PATH");
+    envctl_register(&globals.envctl, STASIS_ENVCTL_REQUIRED, callback_except_jf, "STASIS_JF_REPO");
+    envctl_do_required(globals.envctl, globals.verbose);
+}
+
+void check_system_requirements(struct Delivery *ctx) {
+    const char *tools_required[] = {
+        "rsync",
+        NULL,
+    };
+
+    msg(STASIS_MSG_L1, "Checking system requirements\n");
+    for (size_t i = 0; tools_required[i] != NULL; i++) {
+        if (!find_program(tools_required[i])) {
+            msg(STASIS_MSG_L2 | STASIS_MSG_ERROR, "'%s' must be installed.\n", tools_required[i]);
+            exit(1);
+        }
+    }
+
+    if (!globals.tmpdir && !ctx->storage.tmpdir) {
+        delivery_init_tmpdir(ctx);
+    }
+
+    struct DockerCapabilities dcap;
+    if (!docker_capable(&dcap)) {
+        msg(STASIS_MSG_L2 | STASIS_MSG_WARN, "Docker is broken\n");
+        msg(STASIS_MSG_L3, "Available: %s\n", dcap.available ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Usable: %s\n", dcap.usable ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Podman [Docker Emulation]: %s\n", dcap.podman ? "Yes" : "No");
+        msg(STASIS_MSG_L3, "Build plugin(s): ");
+        if (dcap.usable) {
+            if (dcap.build & STASIS_DOCKER_BUILD) {
+                printf("build ");
+            }
+            if (dcap.build & STASIS_DOCKER_BUILD_X) {
+                printf("buildx ");
+            }
+            puts("");
+        } else {
+            printf("N/A\n");
+        }
+
+        // disable docker builds
+        globals.enable_docker = false;
+    }
+}
+
+void check_requirements(struct Delivery *ctx) {
+    check_system_requirements(ctx);
+    check_system_env_requirements();
+}
+
+void check_system_path() {
+    char *pathvar = NULL;
+    pathvar = getenv("PATH");
+    if (!pathvar) {
+        msg(STASIS_MSG_ERROR | STASIS_MSG_L2, "PATH variable is not set. Cannot continue.\n");
+        exit(1);
+    }
+}
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